Add kubernetes Ingress backend
Signed-off-by: Emile Vauge <emile@vauge.com>
This commit is contained in:
parent
6f47434833
commit
720912e880
18 changed files with 1191 additions and 201 deletions
8
cmd.go
8
cmd.go
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@ -51,6 +51,7 @@ var arguments = struct {
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etcd bool
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etcdTLS bool
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boltdb bool
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kubernetes bool
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}{
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GlobalConfiguration{
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EntryPoints: make(EntryPoints),
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@ -72,7 +73,8 @@ var arguments = struct {
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TLS: &provider.KvTLS{},
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},
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},
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Boltdb: &provider.BoltDb{},
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Boltdb: &provider.BoltDb{},
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Kubernetes: &provider.Kubernetes{},
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},
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false,
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false,
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@ -86,6 +88,7 @@ var arguments = struct {
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false,
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false,
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false,
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false,
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}
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func init() {
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@ -167,6 +170,9 @@ func init() {
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traefikCmd.PersistentFlags().StringVar(&arguments.Boltdb.Endpoint, "boltdb.endpoint", "127.0.0.1:4001", "Boltdb server endpoint")
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traefikCmd.PersistentFlags().StringVar(&arguments.Boltdb.Prefix, "boltdb.prefix", "/traefik", "Prefix used for KV store")
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traefikCmd.PersistentFlags().BoolVar(&arguments.kubernetes, "kubernetes", false, "Enable Kubernetes backend")
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traefikCmd.PersistentFlags().StringVar(&arguments.Kubernetes.Endpoint, "kubernetes.endpoint", "127.0.0.1:8080", "Kubernetes server endpoint")
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_ = viper.BindPFlag("configFile", traefikCmd.PersistentFlags().Lookup("configFile"))
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_ = viper.BindPFlag("graceTimeOut", traefikCmd.PersistentFlags().Lookup("graceTimeOut"))
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_ = viper.BindPFlag("logLevel", traefikCmd.PersistentFlags().Lookup("logLevel"))
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@ -37,6 +37,7 @@ type GlobalConfiguration struct {
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Etcd *provider.Etcd
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Zookeeper *provider.Zookepper
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Boltdb *provider.BoltDb
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Kubernetes *provider.Kubernetes
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}
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// DefaultEntryPoints holds default entry points
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@ -209,7 +210,11 @@ func LoadConfiguration() *GlobalConfiguration {
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viper.AddConfigPath("$HOME/.traefik/") // call multiple times to add many search paths
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viper.AddConfigPath(".") // optionally look for config in the working directory
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if err := viper.ReadInConfig(); err != nil {
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fmtlog.Fatalf("Error reading file: %s", err)
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if len(viper.ConfigFileUsed()) > 0 {
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fmtlog.Printf("Error reading configuration file: %s", err)
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} else {
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fmtlog.Printf("No configuration file found")
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}
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}
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if len(arguments.EntryPoints) > 0 {
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@ -254,6 +259,9 @@ func LoadConfiguration() *GlobalConfiguration {
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if arguments.boltdb {
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viper.Set("boltdb", arguments.Boltdb)
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}
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if arguments.kubernetes {
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viper.Set("kubernetes", arguments.Kubernetes)
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}
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if err := unmarshal(&configuration); err != nil {
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fmtlog.Fatalf("Error reading file: %s", err)
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17
examples/compose-k8s.yaml
Normal file
17
examples/compose-k8s.yaml
Normal file
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@ -0,0 +1,17 @@
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# etcd:
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# image: gcr.io/google_containers/etcd:2.2.1
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# net: host
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# command: ['/usr/local/bin/etcd', '--addr=127.0.0.1:4001', '--bind-addr=0.0.0.0:4001', '--data-dir=/var/etcd/data']
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kubelet:
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image: gcr.io/google_containers/hyperkube-amd64:v1.2.2
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privileged: true
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pid: host
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net : host
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volumes:
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- /:/rootfs:ro
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- /sys:/sys:ro
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- /var/lib/docker/:/var/lib/docker:rw
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- /var/lib/kubelet/:/var/lib/kubelet:rw
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- /var/run:/var/run:rw
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command: ['/hyperkube', 'kubelet', '--containerized', '--hostname-override=127.0.0.1', '--address=0.0.0.0', '--api-servers=http://localhost:8080', '--config=/etc/kubernetes/manifests', '--allow-privileged=true', '--v=2']
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93
examples/k8s.ingress.yaml
Normal file
93
examples/k8s.ingress.yaml
Normal file
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@ -0,0 +1,93 @@
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# 3 Services for the 3 endpoints of the Ingress
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apiVersion: v1
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kind: Service
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metadata:
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name: whoami-x
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labels:
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app: whoami
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spec:
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type: NodePort
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ports:
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- port: 80
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nodePort: 30301
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targetPort: 80
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protocol: TCP
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name: http
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selector:
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app: whoami
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: whoami-default
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labels:
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app: whoami
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spec:
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type: NodePort
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ports:
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- port: 80
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nodePort: 30302
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targetPort: 80
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protocol: TCP
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name: http
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selector:
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app: whoami
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: whoami-y
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labels:
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app: whoami
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spec:
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type: NodePort
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ports:
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- port: 80
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nodePort: 30284
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targetPort: 80
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protocol: TCP
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name: http
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selector:
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app: whoami
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---
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# A single RC matching all Services
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apiVersion: v1
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kind: ReplicationController
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metadata:
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name: whoami
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spec:
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replicas: 1
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template:
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metadata:
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labels:
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app: whoami
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spec:
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containers:
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- name: whoami
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image: emilevauge/whoami
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ports:
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- containerPort: 80
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---
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# An Ingress with 2 hosts and 3 endpoints
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apiVersion: extensions/v1beta1
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kind: Ingress
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metadata:
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name: whoamimap
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spec:
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rules:
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- host: foo.localhost
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http:
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paths:
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- path: /bar
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backend:
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serviceName: whoami-x
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servicePort: 80
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- host: bar.localhost
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http:
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paths:
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- backend:
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serviceName: whoami-y
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servicePort: 80
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- backend:
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serviceName: whoami-x
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servicePort: 80
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10
examples/k8s.namespace.sh
Executable file
10
examples/k8s.namespace.sh
Executable file
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@ -0,0 +1,10 @@
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#!/bin/bash
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kubectl create -f - << EOF
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kind: Namespace
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apiVersion: v1
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metadata:
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name: kube-system
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labels:
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name: kube-system
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EOF
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36
examples/k8s.rc.yaml
Normal file
36
examples/k8s.rc.yaml
Normal file
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@ -0,0 +1,36 @@
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apiVersion: v1
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kind: ReplicationController
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metadata:
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name: traefik-ingress-controller
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labels:
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k8s-app: traefik-ingress-lb
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spec:
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replicas: 1
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selector:
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k8s-app: traefik-ingress-lb
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template:
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metadata:
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labels:
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k8s-app: traefik-ingress-lb
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name: traefik-ingress-lb
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spec:
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terminationGracePeriodSeconds: 60
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containers:
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- image: containous/traefik:k8s
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name: traefik-ingress-lb
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imagePullPolicy: Always
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# livenessProbe:
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# httpGet:
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# path: /healthz
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# port: 10249
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# scheme: HTTP
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# initialDelaySeconds: 30
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# timeoutSeconds: 5
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ports:
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- containerPort: 80
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hostPort: 80
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- containerPort: 443
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hostPort: 443
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args:
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- --kubernetes
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- --logLevel=DEBUG
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28
glide.lock
generated
28
glide.lock
generated
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@ -1,5 +1,5 @@
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hash: fffa87220825895f7e3a6ceed3b13ecbf6bc934ab072fc9be3d00e3eef411ecb
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updated: 2016-04-13T14:05:41.300658168+02:00
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hash: 6fe539ee86a9dc90a67b60f42b027c72359bed0ca22e7a94355ad80f37a32d68
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updated: 2016-04-18T21:31:13.195184921+02:00
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imports:
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- name: github.com/alecthomas/template
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version: b867cc6ab45cece8143cfcc6fc9c77cf3f2c23c0
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@ -8,7 +8,7 @@ imports:
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- name: github.com/boltdb/bolt
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version: 51f99c862475898df9773747d3accd05a7ca33c1
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- name: github.com/BurntSushi/toml
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version: bd2bdf7f18f849530ef7a1c29a4290217cab32a1
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version: bbd5bb678321a0d6e58f1099321dfa73391c1b6f
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- name: github.com/BurntSushi/ty
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version: 6add9cd6ad42d389d6ead1dde60b4ad71e46fd74
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subpackages:
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@ -29,6 +29,7 @@ imports:
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- memmetrics
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- roundrobin
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- utils
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- connlimit
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- stream
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- name: github.com/coreos/go-etcd
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version: cc90c7b091275e606ad0ca7102a23fb2072f3f5e
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@ -42,7 +43,6 @@ imports:
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version: ff6f38ccb69afa96214c7ee955359465d1fc767a
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subpackages:
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- reference
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- digest
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- name: github.com/docker/docker
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version: f39987afe8d611407887b3094c03d6ba6a766a67
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subpackages:
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@ -94,13 +94,11 @@ imports:
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- client/transport
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- client/transport/cancellable
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- types/network
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- types/reference
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- types/registry
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- types/time
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- types/versions
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- types/blkiodev
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- name: github.com/docker/go-connections
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version: f549a9393d05688dff0992ef3efd8bbe6c628aeb
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version: 5b7154ba2efe13ff86ae8830a9e7cb120b080d6e
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subpackages:
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- nat
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- sockets
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@ -148,7 +146,7 @@ imports:
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subpackages:
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- api
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- name: github.com/hashicorp/hcl
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version: 2604f3bda7e8960c1be1063709e7d7f0765048d0
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version: 27a57f2605e04995c111273c263d51cee60d9bc4
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subpackages:
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- hcl/ast
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- hcl/parser
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|
@ -177,13 +175,17 @@ imports:
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- name: github.com/Microsoft/go-winio
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version: 862b6557927a5c5c81e411c12aa6de7e566cbb7a
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- name: github.com/miekg/dns
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version: dd83d5cbcfd986f334b2747feeb907e281318fdf
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version: a5cc44dc6b2eee8eddfd6581e1c6bb753ff0d176
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- name: github.com/mitchellh/mapstructure
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version: d2dd0262208475919e1a362f675cfc0e7c10e905
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- name: github.com/moul/http2curl
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version: 1812aee76a1ce98d604a44200c6a23c689b17a89
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- name: github.com/opencontainers/runc
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version: 4ab132458fc3e9dbeea624153e0331952dc4c8d5
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subpackages:
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- libcontainer/user
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- name: github.com/parnurzeal/gorequest
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version: 91b42fce877cc6af96c45818665a4c615cc5f4ee
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- name: github.com/pmezard/go-difflib
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version: d8ed2627bdf02c080bf22230dbb337003b7aba2d
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subpackages:
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|
@ -203,7 +205,7 @@ imports:
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- name: github.com/spf13/jwalterweatherman
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version: 33c24e77fb80341fe7130ee7c594256ff08ccc46
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- name: github.com/spf13/pflag
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version: 1f296710f879815ad9e6d39d947c828c3e4b4c3d
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version: 8f6a28b0916586e7f22fe931ae2fcfc380b1c0e6
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- name: github.com/spf13/viper
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version: a212099cbe6fbe8d07476bfda8d2d39b6ff8f325
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- name: github.com/streamrail/concurrent-map
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|
@ -220,7 +222,7 @@ imports:
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- name: github.com/unrolled/render
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version: 26b4e3aac686940fe29521545afad9966ddfc80c
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- name: github.com/vdemeester/docker-events
|
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version: 6ea3f28df37f29a47498bc8b32b36ad8491dbd37
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version: 1ecaca5890ef1ffd266fcbfdbe43073ef105704b
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- name: github.com/vdemeester/libkermit
|
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version: 7e4e689a6fa9281e0fb9b7b9c297e22d5342a5ec
|
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- name: github.com/vdemeester/shakers
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|
@ -243,11 +245,11 @@ imports:
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- name: github.com/wendal/errors
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version: f66c77a7882b399795a8987ebf87ef64a427417e
|
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- name: github.com/xenolf/lego
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version: 23e88185c255e95a106835d80e76e5a3a66d7c54
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version: 684400fe76a813e78d87803a62bc04d977c501d2
|
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subpackages:
|
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- acme
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- name: golang.org/x/crypto
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version: d68c3ecb62c850b645dc072a8d78006286bf81ca
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version: 1777f3ba8c1fed80fcaec3317e3aaa4f627764d2
|
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subpackages:
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- ocsp
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- name: golang.org/x/net
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|
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358
glide.yaml
358
glide.yaml
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@ -1,177 +1,185 @@
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package: main
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import:
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- package: github.com/coreos/go-etcd
|
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ref: cc90c7b091275e606ad0ca7102a23fb2072f3f5e
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subpackages:
|
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- etcd
|
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- package: github.com/mailgun/log
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ref: 44874009257d4d47ba9806f1b7f72a32a015e4d8
|
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- package: github.com/containous/oxy
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ref: 021f82bd8260ba15f5862a9fe62018437720dff5
|
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subpackages:
|
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- cbreaker
|
||||
- forward
|
||||
- memmetrics
|
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- roundrobin
|
||||
- utils
|
||||
- package: github.com/hashicorp/consul
|
||||
ref: de080672fee9e6104572eeea89eccdca135bb918
|
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subpackages:
|
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- api
|
||||
- package: github.com/samuel/go-zookeeper
|
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ref: fa6674abf3f4580b946a01bf7a1ce4ba8766205b
|
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subpackages:
|
||||
- zk
|
||||
- package: github.com/docker/libtrust
|
||||
ref: 9cbd2a1374f46905c68a4eb3694a130610adc62a
|
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- package: github.com/go-check/check
|
||||
ref: 11d3bc7aa68e238947792f30573146a3231fc0f1
|
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- package: golang.org/x/net
|
||||
ref: d9558e5c97f85372afee28cf2b6059d7d3818919
|
||||
subpackages:
|
||||
- context
|
||||
- package: github.com/gorilla/handlers
|
||||
ref: 40694b40f4a928c062f56849989d3e9cd0570e5f
|
||||
- package: github.com/docker/libkv
|
||||
ref: 3732f7ff1b56057c3158f10bceb1e79133025373
|
||||
- package: github.com/alecthomas/template
|
||||
ref: b867cc6ab45cece8143cfcc6fc9c77cf3f2c23c0
|
||||
- package: github.com/vdemeester/shakers
|
||||
ref: 24d7f1d6a71aa5d9cbe7390e4afb66b7eef9e1b3
|
||||
- package: github.com/alecthomas/units
|
||||
ref: 6b4e7dc5e3143b85ea77909c72caf89416fc2915
|
||||
- package: github.com/gambol99/go-marathon
|
||||
ref: ade11d1dc2884ee1f387078fc28509559b6235d1
|
||||
- package: github.com/vulcand/predicate
|
||||
ref: cb0bff91a7ab7cf7571e661ff883fc997bc554a3
|
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- package: github.com/thoas/stats
|
||||
ref: 54ed61c2b47e263ae2f01b86837b0c4bd1da28e8
|
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- package: github.com/Sirupsen/logrus
|
||||
ref: 418b41d23a1bf978c06faea5313ba194650ac088
|
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- package: github.com/unrolled/render
|
||||
ref: 26b4e3aac686940fe29521545afad9966ddfc80c
|
||||
- package: github.com/flynn/go-shlex
|
||||
ref: 3f9db97f856818214da2e1057f8ad84803971cff
|
||||
- package: github.com/boltdb/bolt
|
||||
ref: 51f99c862475898df9773747d3accd05a7ca33c1
|
||||
- package: gopkg.in/mgo.v2
|
||||
ref: 22287bab4379e1fbf6002fb4eb769888f3fb224c
|
||||
subpackages:
|
||||
- bson
|
||||
- package: github.com/docker/docker
|
||||
ref: f39987afe8d611407887b3094c03d6ba6a766a67
|
||||
subpackages:
|
||||
- autogen
|
||||
- api
|
||||
- cliconfig
|
||||
- daemon/network
|
||||
- graph/tags
|
||||
- image
|
||||
- opts
|
||||
- pkg/archive
|
||||
- pkg/fileutils
|
||||
- pkg/homedir
|
||||
- pkg/httputils
|
||||
- pkg/ioutils
|
||||
- pkg/jsonmessage
|
||||
- pkg/mflag
|
||||
- pkg/nat
|
||||
- pkg/parsers
|
||||
- pkg/pools
|
||||
- pkg/promise
|
||||
- pkg/random
|
||||
- pkg/stdcopy
|
||||
- pkg/stringid
|
||||
- pkg/symlink
|
||||
- pkg/system
|
||||
- pkg/tarsum
|
||||
- pkg/term
|
||||
- pkg/timeutils
|
||||
- pkg/tlsconfig
|
||||
- pkg/ulimit
|
||||
- pkg/units
|
||||
- pkg/urlutil
|
||||
- pkg/useragent
|
||||
- pkg/version
|
||||
- registry
|
||||
- runconfig
|
||||
- utils
|
||||
- volume
|
||||
- package: github.com/mailgun/timetools
|
||||
ref: fd192d755b00c968d312d23f521eb0cdc6f66bd0
|
||||
- package: github.com/codegangsta/negroni
|
||||
ref: c7477ad8e330bef55bf1ebe300cf8aa67c492d1b
|
||||
- package: gopkg.in/yaml.v2
|
||||
ref: 7ad95dd0798a40da1ccdff6dff35fd177b5edf40
|
||||
- package: github.com/opencontainers/runc
|
||||
ref: 4ab132458fc3e9dbeea624153e0331952dc4c8d5
|
||||
subpackages:
|
||||
- libcontainer/user
|
||||
- package: github.com/gorilla/mux
|
||||
ref: f15e0c49460fd49eebe2bcc8486b05d1bef68d3a
|
||||
- package: github.com/BurntSushi/ty
|
||||
ref: 6add9cd6ad42d389d6ead1dde60b4ad71e46fd74
|
||||
- package: github.com/elazarl/go-bindata-assetfs
|
||||
ref: d5cac425555ca5cf00694df246e04f05e6a55150
|
||||
- package: github.com/BurntSushi/toml
|
||||
ref: bd2bdf7f18f849530ef7a1c29a4290217cab32a1
|
||||
- package: gopkg.in/alecthomas/kingpin.v2
|
||||
ref: 639879d6110b1b0409410c7b737ef0bb18325038
|
||||
- package: github.com/cenkalti/backoff
|
||||
ref: 4dc77674aceaabba2c7e3da25d4c823edfb73f99
|
||||
- package: gopkg.in/fsnotify.v1
|
||||
ref: 96c060f6a6b7e0d6f75fddd10efeaca3e5d1bcb0
|
||||
- package: github.com/mailgun/manners
|
||||
ref: fada45142db3f93097ca917da107aa3fad0ffcb5
|
||||
- package: github.com/gorilla/context
|
||||
ref: 215affda49addc4c8ef7e2534915df2c8c35c6cd
|
||||
- package: github.com/codahale/hdrhistogram
|
||||
ref: 954f16e8b9ef0e5d5189456aa4c1202758e04f17
|
||||
- package: github.com/gorilla/websocket
|
||||
- package: github.com/donovanhide/eventsource
|
||||
ref: d8a3071799b98cacd30b6da92f536050ccfe6da4
|
||||
- package: github.com/golang/glog
|
||||
ref: fca8c8854093a154ff1eb580aae10276ad6b1b5f
|
||||
- package: github.com/spf13/cast
|
||||
ref: ee7b3e0353166ab1f3a605294ac8cd2b77953778
|
||||
- package: github.com/mitchellh/mapstructure
|
||||
- package: github.com/spf13/jwalterweatherman
|
||||
- package: github.com/spf13/pflag
|
||||
- package: github.com/wendal/errors
|
||||
- package: github.com/hashicorp/hcl
|
||||
- package: github.com/kr/pretty
|
||||
- package: github.com/magiconair/properties
|
||||
- package: github.com/kr/text
|
||||
- package: github.com/spf13/viper
|
||||
ref: a212099cbe6fbe8d07476bfda8d2d39b6ff8f325
|
||||
- package: github.com/spf13/cobra
|
||||
subpackages:
|
||||
- /cobra
|
||||
- package: github.com/google/go-querystring/query
|
||||
- package: github.com/vulcand/vulcand/plugin/rewrite
|
||||
- package: github.com/stretchr/testify/mock
|
||||
- package: github.com/xenolf/lego
|
||||
- package: github.com/vdemeester/libkermit
|
||||
ref: 7e4e689a6fa9281e0fb9b7b9c297e22d5342a5ec
|
||||
- package: github.com/docker/libcompose
|
||||
version: e290a513ba909ca3afefd5cd611f3a3fe56f6a3a
|
||||
- package: github.com/docker/distribution
|
||||
version: ff6f38ccb69afa96214c7ee955359465d1fc767a
|
||||
subpackages:
|
||||
- reference
|
||||
- package: github.com/docker/engine-api
|
||||
subpackages:
|
||||
- client
|
||||
- types
|
||||
- types/container
|
||||
- types/filters
|
||||
- types/strslice
|
||||
- package: github.com/vdemeester/docker-events
|
||||
- package: github.com/docker/go-connections
|
||||
subpackages:
|
||||
- nat
|
||||
- sockets
|
||||
- tlsconfig
|
||||
- package: github.com/docker/go-units
|
||||
- package: github.com/mailgun/multibuf
|
||||
- package: github.com/streamrail/concurrent-map
|
||||
- package: github.com/coreos/go-etcd
|
||||
version: cc90c7b091275e606ad0ca7102a23fb2072f3f5e
|
||||
subpackages:
|
||||
- etcd
|
||||
- package: github.com/mailgun/log
|
||||
version: 44874009257d4d47ba9806f1b7f72a32a015e4d8
|
||||
- package: github.com/containous/oxy
|
||||
version: 021f82bd8260ba15f5862a9fe62018437720dff5
|
||||
subpackages:
|
||||
- cbreaker
|
||||
- forward
|
||||
- memmetrics
|
||||
- roundrobin
|
||||
- utils
|
||||
- package: github.com/hashicorp/consul
|
||||
version: de080672fee9e6104572eeea89eccdca135bb918
|
||||
subpackages:
|
||||
- api
|
||||
- package: github.com/samuel/go-zookeeper
|
||||
version: fa6674abf3f4580b946a01bf7a1ce4ba8766205b
|
||||
subpackages:
|
||||
- zk
|
||||
- package: github.com/docker/libtrust
|
||||
version: 9cbd2a1374f46905c68a4eb3694a130610adc62a
|
||||
- package: github.com/go-check/check
|
||||
version: 11d3bc7aa68e238947792f30573146a3231fc0f1
|
||||
- package: golang.org/x/net
|
||||
version: d9558e5c97f85372afee28cf2b6059d7d3818919
|
||||
subpackages:
|
||||
- context
|
||||
- package: github.com/gorilla/handlers
|
||||
version: 40694b40f4a928c062f56849989d3e9cd0570e5f
|
||||
- package: github.com/docker/libkv
|
||||
version: 3732f7ff1b56057c3158f10bceb1e79133025373
|
||||
- package: github.com/alecthomas/template
|
||||
version: b867cc6ab45cece8143cfcc6fc9c77cf3f2c23c0
|
||||
- package: github.com/vdemeester/shakers
|
||||
version: 24d7f1d6a71aa5d9cbe7390e4afb66b7eef9e1b3
|
||||
- package: github.com/alecthomas/units
|
||||
version: 6b4e7dc5e3143b85ea77909c72caf89416fc2915
|
||||
- package: github.com/gambol99/go-marathon
|
||||
version: ade11d1dc2884ee1f387078fc28509559b6235d1
|
||||
- package: github.com/vulcand/predicate
|
||||
version: cb0bff91a7ab7cf7571e661ff883fc997bc554a3
|
||||
- package: github.com/thoas/stats
|
||||
version: 54ed61c2b47e263ae2f01b86837b0c4bd1da28e8
|
||||
- package: github.com/Sirupsen/logrus
|
||||
version: 418b41d23a1bf978c06faea5313ba194650ac088
|
||||
- package: github.com/unrolled/render
|
||||
version: 26b4e3aac686940fe29521545afad9966ddfc80c
|
||||
- package: github.com/flynn/go-shlex
|
||||
version: 3f9db97f856818214da2e1057f8ad84803971cff
|
||||
- package: github.com/boltdb/bolt
|
||||
version: 51f99c862475898df9773747d3accd05a7ca33c1
|
||||
- package: gopkg.in/mgo.v2
|
||||
version: 22287bab4379e1fbf6002fb4eb769888f3fb224c
|
||||
subpackages:
|
||||
- bson
|
||||
- package: github.com/docker/docker
|
||||
version: f39987afe8d611407887b3094c03d6ba6a766a67
|
||||
subpackages:
|
||||
- autogen
|
||||
- api
|
||||
- cliconfig
|
||||
- daemon/network
|
||||
- graph/tags
|
||||
- image
|
||||
- opts
|
||||
- pkg/archive
|
||||
- pkg/fileutils
|
||||
- pkg/homedir
|
||||
- pkg/httputils
|
||||
- pkg/ioutils
|
||||
- pkg/jsonmessage
|
||||
- pkg/mflag
|
||||
- pkg/nat
|
||||
- pkg/parsers
|
||||
- pkg/pools
|
||||
- pkg/promise
|
||||
- pkg/random
|
||||
- pkg/stdcopy
|
||||
- pkg/stringid
|
||||
- pkg/symlink
|
||||
- pkg/system
|
||||
- pkg/tarsum
|
||||
- pkg/term
|
||||
- pkg/timeutils
|
||||
- pkg/tlsconfig
|
||||
- pkg/ulimit
|
||||
- pkg/units
|
||||
- pkg/urlutil
|
||||
- pkg/useragent
|
||||
- pkg/version
|
||||
- registry
|
||||
- runconfig
|
||||
- utils
|
||||
- volume
|
||||
- package: github.com/mailgun/timetools
|
||||
version: fd192d755b00c968d312d23f521eb0cdc6f66bd0
|
||||
- package: github.com/codegangsta/negroni
|
||||
version: c7477ad8e330bef55bf1ebe300cf8aa67c492d1b
|
||||
- package: gopkg.in/yaml.v2
|
||||
version: 7ad95dd0798a40da1ccdff6dff35fd177b5edf
|
||||
- package: github.com/opencontainers/runc
|
||||
version: 4ab132458fc3e9dbeea624153e0331952dc4c8d5
|
||||
subpackages:
|
||||
- libcontainer/user
|
||||
- package: github.com/gorilla/mux
|
||||
version: f15e0c49460fd49eebe2bcc8486b05d1bef68d3a
|
||||
- package: github.com/BurntSushi/ty
|
||||
version: 6add9cd6ad42d389d6ead1dde60b4ad71e46fd74
|
||||
- package: github.com/elazarl/go-bindata-assetfs
|
||||
version: d5cac425555ca5cf00694df246e04f05e6a55150
|
||||
- package: github.com/BurntSushi/toml
|
||||
version: bbd5bb678321a0d6e58f1099321dfa73391c1b6f
|
||||
- package: gopkg.in/alecthomas/kingpin.v2
|
||||
version: 639879d6110b1b0409410c7b737ef0bb18325038
|
||||
- package: github.com/cenkalti/backoff
|
||||
version: 4dc77674aceaabba2c7e3da25d4c823edfb73f99
|
||||
- package: gopkg.in/fsnotify.v1
|
||||
version: 96c060f6a6b7e0d6f75fddd10efeaca3e5d1bcb0
|
||||
- package: github.com/mailgun/manners
|
||||
version: fada45142db3f93097ca917da107aa3fad0ffcb5
|
||||
- package: github.com/gorilla/context
|
||||
version: 215affda49addc4c8ef7e2534915df2c8c35c6cd
|
||||
- package: github.com/codahale/hdrhistogram
|
||||
version: 954f16e8b9ef0e5d5189456aa4c1202758e04f17
|
||||
- package: github.com/gorilla/websocket
|
||||
- package: github.com/donovanhide/eventsource
|
||||
version: d8a3071799b98cacd30b6da92f536050ccfe6da4
|
||||
- package: github.com/golang/glog
|
||||
version: fca8c8854093a154ff1eb580aae10276ad6b1b5f
|
||||
- package: github.com/spf13/cast
|
||||
version: ee7b3e0353166ab1f3a605294ac8cd2b77953778
|
||||
- package: github.com/mitchellh/mapstructure
|
||||
- package: github.com/spf13/jwalterweatherman
|
||||
- package: github.com/spf13/pflag
|
||||
- package: github.com/wendal/errors
|
||||
- package: github.com/hashicorp/hcl
|
||||
- package: github.com/kr/pretty
|
||||
- package: github.com/magiconair/properties
|
||||
- package: github.com/kr/text
|
||||
- package: github.com/spf13/viper
|
||||
version: a212099cbe6fbe8d07476bfda8d2d39b6ff8f325
|
||||
- package: github.com/spf13/cobra
|
||||
subpackages:
|
||||
- cobra
|
||||
- package: github.com/google/go-querystring
|
||||
subpackages:
|
||||
- query
|
||||
- package: github.com/vulcand/vulcand
|
||||
subpackages:
|
||||
- plugin/rewrite
|
||||
- package: github.com/stretchr/testify
|
||||
subpackages:
|
||||
- mock
|
||||
- package: github.com/xenolf/lego
|
||||
- package: github.com/vdemeester/libkermit
|
||||
version: 7e4e689a6fa9281e0fb9b7b9c297e22d5342a5ec
|
||||
- package: github.com/docker/libcompose
|
||||
version: e290a513ba909ca3afefd5cd611f3a3fe56f6a3a
|
||||
- package: github.com/docker/distribution
|
||||
version: ff6f38ccb69afa96214c7ee955359465d1fc767a
|
||||
subpackages:
|
||||
- reference
|
||||
- package: github.com/docker/engine-api
|
||||
version: 8924d6900370b4c7e7984be5adc61f50a80d7537
|
||||
subpackages:
|
||||
- client
|
||||
- types
|
||||
- types/container
|
||||
- types/filters
|
||||
- types/strslice
|
||||
- package: github.com/vdemeester/docker-events
|
||||
- package: github.com/docker/go-connections
|
||||
subpackages:
|
||||
- nat
|
||||
- sockets
|
||||
- tlsconfig
|
||||
- package: github.com/docker/go-units
|
||||
- package: github.com/mailgun/multibuf
|
||||
- package: github.com/streamrail/concurrent-map
|
||||
- package: github.com/parnurzeal/gorequest
|
||||
|
|
|
@ -19,14 +19,14 @@ func (s *SimpleSuite) TestNoOrInexistentConfigShouldFail(c *check.C) {
|
|||
output, err := cmd.CombinedOutput()
|
||||
|
||||
c.Assert(err, checker.NotNil)
|
||||
c.Assert(string(output), checker.Contains, "Error reading file: open : no such file or directory")
|
||||
c.Assert(string(output), checker.Contains, "No configuration file found")
|
||||
|
||||
nonExistentFile := "non/existent/file.toml"
|
||||
cmd = exec.Command(traefikBinary, "--configFile="+nonExistentFile)
|
||||
output, err = cmd.CombinedOutput()
|
||||
|
||||
c.Assert(err, checker.NotNil)
|
||||
c.Assert(string(output), checker.Contains, fmt.Sprintf("Error reading file: open %s: no such file or directory", nonExistentFile))
|
||||
c.Assert(string(output), checker.Contains, fmt.Sprintf("Error reading configuration file: open %s: no such file or directory", nonExistentFile))
|
||||
}
|
||||
|
||||
func (s *SimpleSuite) TestInvalidConfigShouldFail(c *check.C) {
|
||||
|
@ -34,7 +34,7 @@ func (s *SimpleSuite) TestInvalidConfigShouldFail(c *check.C) {
|
|||
output, err := cmd.CombinedOutput()
|
||||
|
||||
c.Assert(err, checker.NotNil)
|
||||
c.Assert(string(output), checker.Contains, "Error reading file: While parsing config: Near line 1")
|
||||
c.Assert(string(output), checker.Contains, "While parsing config: Near line 0 (last key parsed ''): Bare keys cannot contain '{'")
|
||||
}
|
||||
|
||||
func (s *SimpleSuite) TestSimpleDefaultConfig(c *check.C) {
|
||||
|
|
|
@ -743,11 +743,11 @@ func TestDockerLoadDockerConfig(t *testing.T) {
|
|||
},
|
||||
},
|
||||
expectedFrontends: map[string]*types.Frontend{
|
||||
`"frontend-Host-test-docker-localhost"`: {
|
||||
"frontend-Host-test-docker-localhost": {
|
||||
Backend: "backend-test",
|
||||
EntryPoints: []string{},
|
||||
Routes: map[string]types.Route{
|
||||
`"route-frontend-Host-test-docker-localhost"`: {
|
||||
"route-frontend-Host-test-docker-localhost": {
|
||||
Rule: "Host:test.docker.localhost",
|
||||
},
|
||||
},
|
||||
|
@ -815,20 +815,20 @@ func TestDockerLoadDockerConfig(t *testing.T) {
|
|||
},
|
||||
},
|
||||
expectedFrontends: map[string]*types.Frontend{
|
||||
`"frontend-Host-test1-docker-localhost"`: {
|
||||
"frontend-Host-test1-docker-localhost": {
|
||||
Backend: "backend-foobar",
|
||||
EntryPoints: []string{"http", "https"},
|
||||
Routes: map[string]types.Route{
|
||||
`"route-frontend-Host-test1-docker-localhost"`: {
|
||||
"route-frontend-Host-test1-docker-localhost": {
|
||||
Rule: "Host:test1.docker.localhost",
|
||||
},
|
||||
},
|
||||
},
|
||||
`"frontend-Host-test2-docker-localhost"`: {
|
||||
"frontend-Host-test2-docker-localhost": {
|
||||
Backend: "backend-foobar",
|
||||
EntryPoints: []string{},
|
||||
Routes: map[string]types.Route{
|
||||
`"route-frontend-Host-test2-docker-localhost"`: {
|
||||
"route-frontend-Host-test2-docker-localhost": {
|
||||
Rule: "Host:test2.docker.localhost",
|
||||
},
|
||||
},
|
||||
|
|
163
provider/k8s/client.go
Normal file
163
provider/k8s/client.go
Normal file
|
@ -0,0 +1,163 @@
|
|||
package k8s
|
||||
|
||||
import (
|
||||
"crypto/tls"
|
||||
"crypto/x509"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"github.com/containous/traefik/safe"
|
||||
"github.com/parnurzeal/gorequest"
|
||||
"net/http"
|
||||
"net/url"
|
||||
"strings"
|
||||
)
|
||||
|
||||
const (
|
||||
// APIEndpoint defines the base path for kubernetes API resources.
|
||||
APIEndpoint = "/api/v1"
|
||||
defaultService = "/namespaces/default/services"
|
||||
extentionsEndpoint = "/apis/extensions/v1beta1"
|
||||
defaultIngress = "/ingresses"
|
||||
)
|
||||
|
||||
// Client is a client for the Kubernetes master.
|
||||
type Client struct {
|
||||
endpointURL string
|
||||
tls *tls.Config
|
||||
token string
|
||||
caCert []byte
|
||||
}
|
||||
|
||||
// NewClient returns a new Kubernetes client.
|
||||
// The provided host is an url (scheme://hostname[:port]) of a
|
||||
// Kubernetes master without any path.
|
||||
// The provided client is an authorized http.Client used to perform requests to the Kubernetes API master.
|
||||
func NewClient(baseURL string, caCert []byte, token string) (*Client, error) {
|
||||
validURL, err := url.Parse(baseURL)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to parse URL %q: %v", baseURL, err)
|
||||
}
|
||||
return &Client{
|
||||
endpointURL: strings.TrimSuffix(validURL.String(), "/"),
|
||||
token: token,
|
||||
caCert: caCert,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// GetIngresses returns all services in the cluster
|
||||
func (c *Client) GetIngresses(predicate func(Ingress) bool) ([]Ingress, error) {
|
||||
getURL := c.endpointURL + extentionsEndpoint + defaultIngress
|
||||
request := gorequest.New().Get(getURL)
|
||||
if len(c.token) > 0 {
|
||||
request.Header["Authorization"] = "Bearer " + c.token
|
||||
pool := x509.NewCertPool()
|
||||
pool.AppendCertsFromPEM(c.caCert)
|
||||
c.tls = &tls.Config{RootCAs: pool}
|
||||
}
|
||||
res, body, errs := request.TLSClientConfig(c.tls).EndBytes()
|
||||
if errs != nil {
|
||||
return nil, fmt.Errorf("failed to create request: GET %q : %v", getURL, errs)
|
||||
}
|
||||
if res.StatusCode != http.StatusOK {
|
||||
return nil, fmt.Errorf("http error %d GET %q: %q", res.StatusCode, getURL, string(body))
|
||||
}
|
||||
|
||||
var ingressList IngressList
|
||||
if err := json.Unmarshal(body, &ingressList); err != nil {
|
||||
return nil, fmt.Errorf("failed to decode list of ingress resources: %v", err)
|
||||
}
|
||||
ingresses := ingressList.Items[:0]
|
||||
for _, ingress := range ingressList.Items {
|
||||
if predicate(ingress) {
|
||||
ingresses = append(ingresses, ingress)
|
||||
}
|
||||
}
|
||||
return ingresses, nil
|
||||
}
|
||||
|
||||
// WatchIngresses returns all services in the cluster
|
||||
func (c *Client) WatchIngresses(predicate func(Ingress) bool, stopCh <-chan bool) (chan interface{}, chan error, error) {
|
||||
watchCh := make(chan interface{})
|
||||
errCh := make(chan error)
|
||||
|
||||
getURL := c.endpointURL + extentionsEndpoint + defaultIngress + "?watch=true"
|
||||
|
||||
// Make request to Kubernetes API
|
||||
request := gorequest.New().Get(getURL)
|
||||
if len(c.token) > 0 {
|
||||
request.Set("Authorization", "Bearer "+c.token)
|
||||
pool := x509.NewCertPool()
|
||||
pool.AppendCertsFromPEM(c.caCert)
|
||||
c.tls = &tls.Config{RootCAs: pool}
|
||||
}
|
||||
req, err := request.TLSClientConfig(c.tls).MakeRequest()
|
||||
if err != nil {
|
||||
return watchCh, errCh, fmt.Errorf("failed to create request: GET %q : %v", getURL, err)
|
||||
}
|
||||
request.Client.Transport = request.Transport
|
||||
res, err := request.Client.Do(req)
|
||||
if err != nil {
|
||||
return watchCh, errCh, fmt.Errorf("failed to make request: GET %q: %v", getURL, err)
|
||||
}
|
||||
|
||||
shouldStop := safe.New(false)
|
||||
|
||||
go func() {
|
||||
select {
|
||||
case <-stopCh:
|
||||
shouldStop.Set(true)
|
||||
res.Body.Close()
|
||||
return
|
||||
}
|
||||
}()
|
||||
|
||||
go func() {
|
||||
defer close(watchCh)
|
||||
defer close(errCh)
|
||||
for {
|
||||
var ingressList interface{}
|
||||
if err := json.NewDecoder(res.Body).Decode(&ingressList); err != nil {
|
||||
if !shouldStop.Get().(bool) {
|
||||
errCh <- fmt.Errorf("failed to decode list of ingress resources: %v", err)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
watchCh <- ingressList
|
||||
}
|
||||
}()
|
||||
return watchCh, errCh, nil
|
||||
}
|
||||
|
||||
// GetServices returns all services in the cluster
|
||||
func (c *Client) GetServices(predicate func(Service) bool) ([]Service, error) {
|
||||
getURL := c.endpointURL + APIEndpoint + defaultService
|
||||
|
||||
// Make request to Kubernetes API
|
||||
request := gorequest.New().Get(getURL)
|
||||
if len(c.token) > 0 {
|
||||
request.Header["Authorization"] = "Bearer " + c.token
|
||||
pool := x509.NewCertPool()
|
||||
pool.AppendCertsFromPEM(c.caCert)
|
||||
c.tls = &tls.Config{RootCAs: pool}
|
||||
}
|
||||
res, body, errs := request.TLSClientConfig(c.tls).EndBytes()
|
||||
if errs != nil {
|
||||
return nil, fmt.Errorf("failed to create request: GET %q : %v", getURL, errs)
|
||||
}
|
||||
if res.StatusCode != http.StatusOK {
|
||||
return nil, fmt.Errorf("http error %d GET %q: %q", res.StatusCode, getURL, string(body))
|
||||
}
|
||||
|
||||
var serviceList ServiceList
|
||||
if err := json.Unmarshal(body, &serviceList); err != nil {
|
||||
return nil, fmt.Errorf("failed to decode list of services resources: %v", err)
|
||||
}
|
||||
services := serviceList.Items[:0]
|
||||
for _, service := range serviceList.Items {
|
||||
if predicate(service) {
|
||||
services = append(services, service)
|
||||
}
|
||||
}
|
||||
return services, nil
|
||||
}
|
151
provider/k8s/ingress.go
Normal file
151
provider/k8s/ingress.go
Normal file
|
@ -0,0 +1,151 @@
|
|||
package k8s
|
||||
|
||||
// Ingress is a collection of rules that allow inbound connections to reach the
|
||||
// endpoints defined by a backend. An Ingress can be configured to give services
|
||||
// externally-reachable urls, load balance traffic, terminate SSL, offer name
|
||||
// based virtual hosting etc.
|
||||
type Ingress struct {
|
||||
TypeMeta `json:",inline"`
|
||||
// Standard object's metadata.
|
||||
// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#metadata
|
||||
ObjectMeta `json:"metadata,omitempty"`
|
||||
|
||||
// Spec is the desired state of the Ingress.
|
||||
// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#spec-and-status
|
||||
Spec IngressSpec `json:"spec,omitempty"`
|
||||
|
||||
// Status is the current state of the Ingress.
|
||||
// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#spec-and-status
|
||||
Status IngressStatus `json:"status,omitempty"`
|
||||
}
|
||||
|
||||
// IngressList is a collection of Ingress.
|
||||
type IngressList struct {
|
||||
TypeMeta `json:",inline"`
|
||||
// Standard object's metadata.
|
||||
// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#metadata
|
||||
ListMeta `json:"metadata,omitempty"`
|
||||
|
||||
// Items is the list of Ingress.
|
||||
Items []Ingress `json:"items"`
|
||||
}
|
||||
|
||||
// IngressSpec describes the Ingress the user wishes to exist.
|
||||
type IngressSpec struct {
|
||||
// A default backend capable of servicing requests that don't match any
|
||||
// rule. At least one of 'backend' or 'rules' must be specified. This field
|
||||
// is optional to allow the loadbalancer controller or defaulting logic to
|
||||
// specify a global default.
|
||||
Backend *IngressBackend `json:"backend,omitempty"`
|
||||
|
||||
// TLS configuration. Currently the Ingress only supports a single TLS
|
||||
// port, 443. If multiple members of this list specify different hosts, they
|
||||
// will be multiplexed on the same port according to the hostname specified
|
||||
// through the SNI TLS extension, if the ingress controller fulfilling the
|
||||
// ingress supports SNI.
|
||||
TLS []IngressTLS `json:"tls,omitempty"`
|
||||
|
||||
// A list of host rules used to configure the Ingress. If unspecified, or
|
||||
// no rule matches, all traffic is sent to the default backend.
|
||||
Rules []IngressRule `json:"rules,omitempty"`
|
||||
// TODO: Add the ability to specify load-balancer IP through claims
|
||||
}
|
||||
|
||||
// IngressTLS describes the transport layer security associated with an Ingress.
|
||||
type IngressTLS struct {
|
||||
// Hosts are a list of hosts included in the TLS certificate. The values in
|
||||
// this list must match the name/s used in the tlsSecret. Defaults to the
|
||||
// wildcard host setting for the loadbalancer controller fulfilling this
|
||||
// Ingress, if left unspecified.
|
||||
Hosts []string `json:"hosts,omitempty"`
|
||||
// SecretName is the name of the secret used to terminate SSL traffic on 443.
|
||||
// Field is left optional to allow SSL routing based on SNI hostname alone.
|
||||
// If the SNI host in a listener conflicts with the "Host" header field used
|
||||
// by an IngressRule, the SNI host is used for termination and value of the
|
||||
// Host header is used for routing.
|
||||
SecretName string `json:"secretName,omitempty"`
|
||||
// TODO: Consider specifying different modes of termination, protocols etc.
|
||||
}
|
||||
|
||||
// IngressStatus describe the current state of the Ingress.
|
||||
type IngressStatus struct {
|
||||
// LoadBalancer contains the current status of the load-balancer.
|
||||
LoadBalancer LoadBalancerStatus `json:"loadBalancer,omitempty"`
|
||||
}
|
||||
|
||||
// IngressRule represents the rules mapping the paths under a specified host to
|
||||
// the related backend services. Incoming requests are first evaluated for a host
|
||||
// match, then routed to the backend associated with the matching IngressRuleValue.
|
||||
type IngressRule struct {
|
||||
// Host is the fully qualified domain name of a network host, as defined
|
||||
// by RFC 3986. Note the following deviations from the "host" part of the
|
||||
// URI as defined in the RFC:
|
||||
// 1. IPs are not allowed. Currently an IngressRuleValue can only apply to the
|
||||
// IP in the Spec of the parent Ingress.
|
||||
// 2. The `:` delimiter is not respected because ports are not allowed.
|
||||
// Currently the port of an Ingress is implicitly :80 for http and
|
||||
// :443 for https.
|
||||
// Both these may change in the future.
|
||||
// Incoming requests are matched against the host before the IngressRuleValue.
|
||||
// If the host is unspecified, the Ingress routes all traffic based on the
|
||||
// specified IngressRuleValue.
|
||||
Host string `json:"host,omitempty"`
|
||||
// IngressRuleValue represents a rule to route requests for this IngressRule.
|
||||
// If unspecified, the rule defaults to a http catch-all. Whether that sends
|
||||
// just traffic matching the host to the default backend or all traffic to the
|
||||
// default backend, is left to the controller fulfilling the Ingress. Http is
|
||||
// currently the only supported IngressRuleValue.
|
||||
IngressRuleValue `json:",inline,omitempty"`
|
||||
}
|
||||
|
||||
// IngressRuleValue represents a rule to apply against incoming requests. If the
|
||||
// rule is satisfied, the request is routed to the specified backend. Currently
|
||||
// mixing different types of rules in a single Ingress is disallowed, so exactly
|
||||
// one of the following must be set.
|
||||
type IngressRuleValue struct {
|
||||
//TODO:
|
||||
// 1. Consider renaming this resource and the associated rules so they
|
||||
// aren't tied to Ingress. They can be used to route intra-cluster traffic.
|
||||
// 2. Consider adding fields for ingress-type specific global options
|
||||
// usable by a loadbalancer, like http keep-alive.
|
||||
|
||||
HTTP *HTTPIngressRuleValue `json:"http,omitempty"`
|
||||
}
|
||||
|
||||
// HTTPIngressRuleValue is a list of http selectors pointing to backends.
|
||||
// In the example: http://<host>/<path>?<searchpart> -> backend where
|
||||
// where parts of the url correspond to RFC 3986, this resource will be used
|
||||
// to match against everything after the last '/' and before the first '?'
|
||||
// or '#'.
|
||||
type HTTPIngressRuleValue struct {
|
||||
// A collection of paths that map requests to backends.
|
||||
Paths []HTTPIngressPath `json:"paths"`
|
||||
// TODO: Consider adding fields for ingress-type specific global
|
||||
// options usable by a loadbalancer, like http keep-alive.
|
||||
}
|
||||
|
||||
// HTTPIngressPath associates a path regex with a backend. Incoming urls matching
|
||||
// the path are forwarded to the backend.
|
||||
type HTTPIngressPath struct {
|
||||
// Path is a extended POSIX regex as defined by IEEE Std 1003.1,
|
||||
// (i.e this follows the egrep/unix syntax, not the perl syntax)
|
||||
// matched against the path of an incoming request. Currently it can
|
||||
// contain characters disallowed from the conventional "path"
|
||||
// part of a URL as defined by RFC 3986. Paths must begin with
|
||||
// a '/'. If unspecified, the path defaults to a catch all sending
|
||||
// traffic to the backend.
|
||||
Path string `json:"path,omitempty"`
|
||||
|
||||
// Backend defines the referenced service endpoint to which the traffic
|
||||
// will be forwarded to.
|
||||
Backend IngressBackend `json:"backend"`
|
||||
}
|
||||
|
||||
// IngressBackend describes all endpoints for a given service and port.
|
||||
type IngressBackend struct {
|
||||
// Specifies the name of the referenced service.
|
||||
ServiceName string `json:"serviceName"`
|
||||
|
||||
// Specifies the port of the referenced service.
|
||||
ServicePort IntOrString `json:"servicePort"`
|
||||
}
|
313
provider/k8s/service.go
Normal file
313
provider/k8s/service.go
Normal file
|
@ -0,0 +1,313 @@
|
|||
package k8s
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"strconv"
|
||||
"time"
|
||||
)
|
||||
|
||||
// TypeMeta describes an individual object in an API response or request
|
||||
// with strings representing the type of the object and its API schema version.
|
||||
// Structures that are versioned or persisted should inline TypeMeta.
|
||||
type TypeMeta struct {
|
||||
// Kind is a string value representing the REST resource this object represents.
|
||||
// Servers may infer this from the endpoint the client submits requests to.
|
||||
// Cannot be updated.
|
||||
// In CamelCase.
|
||||
// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#types-kinds
|
||||
Kind string `json:"kind,omitempty"`
|
||||
|
||||
// APIVersion defines the versioned schema of this representation of an object.
|
||||
// Servers should convert recognized schemas to the latest internal value, and
|
||||
// may reject unrecognized values.
|
||||
// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#resources
|
||||
APIVersion string `json:"apiVersion,omitempty"`
|
||||
}
|
||||
|
||||
// ObjectMeta is metadata that all persisted resources must have, which includes all objects
|
||||
// users must create.
|
||||
type ObjectMeta struct {
|
||||
// Name is unique within a namespace. Name is required when creating resources, although
|
||||
// some resources may allow a client to request the generation of an appropriate name
|
||||
// automatically. Name is primarily intended for creation idempotence and configuration
|
||||
// definition.
|
||||
Name string `json:"name,omitempty"`
|
||||
|
||||
// GenerateName indicates that the name should be made unique by the server prior to persisting
|
||||
// it. A non-empty value for the field indicates the name will be made unique (and the name
|
||||
// returned to the client will be different than the name passed). The value of this field will
|
||||
// be combined with a unique suffix on the server if the Name field has not been provided.
|
||||
// The provided value must be valid within the rules for Name, and may be truncated by the length
|
||||
// of the suffix required to make the value unique on the server.
|
||||
//
|
||||
// If this field is specified, and Name is not present, the server will NOT return a 409 if the
|
||||
// generated name exists - instead, it will either return 201 Created or 500 with Reason
|
||||
// ServerTimeout indicating a unique name could not be found in the time allotted, and the client
|
||||
// should retry (optionally after the time indicated in the Retry-After header).
|
||||
GenerateName string `json:"generateName,omitempty"`
|
||||
|
||||
// Namespace defines the space within which name must be unique. An empty namespace is
|
||||
// equivalent to the "default" namespace, but "default" is the canonical representation.
|
||||
// Not all objects are required to be scoped to a namespace - the value of this field for
|
||||
// those objects will be empty.
|
||||
Namespace string `json:"namespace,omitempty"`
|
||||
|
||||
// SelfLink is a URL representing this object.
|
||||
SelfLink string `json:"selfLink,omitempty"`
|
||||
|
||||
// UID is the unique in time and space value for this object. It is typically generated by
|
||||
// the server on successful creation of a resource and is not allowed to change on PUT
|
||||
// operations.
|
||||
UID UID `json:"uid,omitempty"`
|
||||
|
||||
// An opaque value that represents the version of this resource. May be used for optimistic
|
||||
// concurrency, change detection, and the watch operation on a resource or set of resources.
|
||||
// Clients must treat these values as opaque and values may only be valid for a particular
|
||||
// resource or set of resources. Only servers will generate resource versions.
|
||||
ResourceVersion string `json:"resourceVersion,omitempty"`
|
||||
|
||||
// A sequence number representing a specific generation of the desired state.
|
||||
// Populated by the system. Read-only.
|
||||
Generation int64 `json:"generation,omitempty"`
|
||||
|
||||
// CreationTimestamp is a timestamp representing the server time when this object was
|
||||
// created. It is not guaranteed to be set in happens-before order across separate operations.
|
||||
// Clients may not set this value. It is represented in RFC3339 form and is in UTC.
|
||||
CreationTimestamp Time `json:"creationTimestamp,omitempty"`
|
||||
|
||||
// DeletionTimestamp is the time after which this resource will be deleted. This
|
||||
// field is set by the server when a graceful deletion is requested by the user, and is not
|
||||
// directly settable by a client. The resource will be deleted (no longer visible from
|
||||
// resource lists, and not reachable by name) after the time in this field. Once set, this
|
||||
// value may not be unset or be set further into the future, although it may be shortened
|
||||
// or the resource may be deleted prior to this time. For example, a user may request that
|
||||
// a pod is deleted in 30 seconds. The Kubelet will react by sending a graceful termination
|
||||
// signal to the containers in the pod. Once the resource is deleted in the API, the Kubelet
|
||||
// will send a hard termination signal to the container.
|
||||
DeletionTimestamp *Time `json:"deletionTimestamp,omitempty"`
|
||||
|
||||
// DeletionGracePeriodSeconds records the graceful deletion value set when graceful deletion
|
||||
// was requested. Represents the most recent grace period, and may only be shortened once set.
|
||||
DeletionGracePeriodSeconds *int64 `json:"deletionGracePeriodSeconds,omitempty"`
|
||||
|
||||
// Labels are key value pairs that may be used to scope and select individual resources.
|
||||
// Label keys are of the form:
|
||||
// label-key ::= prefixed-name | name
|
||||
// prefixed-name ::= prefix '/' name
|
||||
// prefix ::= DNS_SUBDOMAIN
|
||||
// name ::= DNS_LABEL
|
||||
// The prefix is optional. If the prefix is not specified, the key is assumed to be private
|
||||
// to the user. Other system components that wish to use labels must specify a prefix. The
|
||||
// "kubernetes.io/" prefix is reserved for use by kubernetes components.
|
||||
// TODO: replace map[string]string with labels.LabelSet type
|
||||
Labels map[string]string `json:"labels,omitempty"`
|
||||
|
||||
// Annotations are unstructured key value data stored with a resource that may be set by
|
||||
// external tooling. They are not queryable and should be preserved when modifying
|
||||
// objects. Annotation keys have the same formatting restrictions as Label keys. See the
|
||||
// comments on Labels for details.
|
||||
Annotations map[string]string `json:"annotations,omitempty"`
|
||||
}
|
||||
|
||||
// UID is a type that holds unique ID values, including UUIDs. Because we
|
||||
// don't ONLY use UUIDs, this is an alias to string. Being a type captures
|
||||
// intent and helps make sure that UIDs and names do not get conflated.
|
||||
type UID string
|
||||
|
||||
// Time is a wrapper around time.Time which supports correct
|
||||
// marshaling to YAML and JSON. Wrappers are provided for many
|
||||
// of the factory methods that the time package offers.
|
||||
//
|
||||
// +protobuf.options.marshal=false
|
||||
// +protobuf.as=Timestamp
|
||||
type Time struct {
|
||||
time.Time `protobuf:"-"`
|
||||
}
|
||||
|
||||
// Service is a named abstraction of software service (for example, mysql) consisting of local port
|
||||
// (for example 3306) that the proxy listens on, and the selector that determines which pods
|
||||
// will answer requests sent through the proxy.
|
||||
type Service struct {
|
||||
TypeMeta `json:",inline"`
|
||||
ObjectMeta `json:"metadata,omitempty"`
|
||||
|
||||
// Spec defines the behavior of a service.
|
||||
Spec ServiceSpec `json:"spec,omitempty"`
|
||||
|
||||
// Status represents the current status of a service.
|
||||
Status ServiceStatus `json:"status,omitempty"`
|
||||
}
|
||||
|
||||
// ServiceSpec describes the attributes that a user creates on a service
|
||||
type ServiceSpec struct {
|
||||
// Type determines how the service will be exposed. Valid options: ClusterIP, NodePort, LoadBalancer
|
||||
Type ServiceType `json:"type,omitempty"`
|
||||
|
||||
// Required: The list of ports that are exposed by this service.
|
||||
Ports []ServicePort `json:"ports"`
|
||||
|
||||
// This service will route traffic to pods having labels matching this selector. If empty or not present,
|
||||
// the service is assumed to have endpoints set by an external process and Kubernetes will not modify
|
||||
// those endpoints.
|
||||
Selector map[string]string `json:"selector"`
|
||||
|
||||
// ClusterIP is usually assigned by the master. If specified by the user
|
||||
// we will try to respect it or else fail the request. This field can
|
||||
// not be changed by updates.
|
||||
// Valid values are None, empty string (""), or a valid IP address
|
||||
// None can be specified for headless services when proxying is not required
|
||||
ClusterIP string `json:"clusterIP,omitempty"`
|
||||
|
||||
// ExternalIPs are used by external load balancers, or can be set by
|
||||
// users to handle external traffic that arrives at a node.
|
||||
ExternalIPs []string `json:"externalIPs,omitempty"`
|
||||
|
||||
// Only applies to Service Type: LoadBalancer
|
||||
// LoadBalancer will get created with the IP specified in this field.
|
||||
// This feature depends on whether the underlying cloud-provider supports specifying
|
||||
// the loadBalancerIP when a load balancer is created.
|
||||
// This field will be ignored if the cloud-provider does not support the feature.
|
||||
LoadBalancerIP string `json:"loadBalancerIP,omitempty"`
|
||||
|
||||
// Required: Supports "ClientIP" and "None". Used to maintain session affinity.
|
||||
SessionAffinity ServiceAffinity `json:"sessionAffinity,omitempty"`
|
||||
}
|
||||
|
||||
// ServicePort service port
|
||||
type ServicePort struct {
|
||||
// Optional if only one ServicePort is defined on this service: The
|
||||
// name of this port within the service. This must be a DNS_LABEL.
|
||||
// All ports within a ServiceSpec must have unique names. This maps to
|
||||
// the 'Name' field in EndpointPort objects.
|
||||
Name string `json:"name"`
|
||||
|
||||
// The IP protocol for this port. Supports "TCP" and "UDP".
|
||||
Protocol Protocol `json:"protocol"`
|
||||
|
||||
// The port that will be exposed on the service.
|
||||
Port int `json:"port"`
|
||||
|
||||
// Optional: The target port on pods selected by this service. If this
|
||||
// is a string, it will be looked up as a named port in the target
|
||||
// Pod's container ports. If this is not specified, the value
|
||||
// of the 'port' field is used (an identity map).
|
||||
// This field is ignored for services with clusterIP=None, and should be
|
||||
// omitted or set equal to the 'port' field.
|
||||
TargetPort IntOrString `json:"targetPort"`
|
||||
|
||||
// The port on each node on which this service is exposed.
|
||||
// Default is to auto-allocate a port if the ServiceType of this Service requires one.
|
||||
NodePort int `json:"nodePort"`
|
||||
}
|
||||
|
||||
// ServiceStatus represents the current status of a service
|
||||
type ServiceStatus struct {
|
||||
// LoadBalancer contains the current status of the load-balancer,
|
||||
// if one is present.
|
||||
LoadBalancer LoadBalancerStatus `json:"loadBalancer,omitempty"`
|
||||
}
|
||||
|
||||
// LoadBalancerStatus represents the status of a load-balancer
|
||||
type LoadBalancerStatus struct {
|
||||
// Ingress is a list containing ingress points for the load-balancer;
|
||||
// traffic intended for the service should be sent to these ingress points.
|
||||
Ingress []LoadBalancerIngress `json:"ingress,omitempty"`
|
||||
}
|
||||
|
||||
// LoadBalancerIngress represents the status of a load-balancer ingress point:
|
||||
// traffic intended for the service should be sent to an ingress point.
|
||||
type LoadBalancerIngress struct {
|
||||
// IP is set for load-balancer ingress points that are IP based
|
||||
// (typically GCE or OpenStack load-balancers)
|
||||
IP string `json:"ip,omitempty"`
|
||||
|
||||
// Hostname is set for load-balancer ingress points that are DNS based
|
||||
// (typically AWS load-balancers)
|
||||
Hostname string `json:"hostname,omitempty"`
|
||||
}
|
||||
|
||||
// ServiceAffinity Session Affinity Type string
|
||||
type ServiceAffinity string
|
||||
|
||||
// ServiceType Service Type string describes ingress methods for a service
|
||||
type ServiceType string
|
||||
|
||||
// Protocol defines network protocols supported for things like container ports.
|
||||
type Protocol string
|
||||
|
||||
// IntOrString is a type that can hold an int32 or a string. When used in
|
||||
// JSON or YAML marshalling and unmarshalling, it produces or consumes the
|
||||
// inner type. This allows you to have, for example, a JSON field that can
|
||||
// accept a name or number.
|
||||
// TODO: Rename to Int32OrString
|
||||
//
|
||||
// +protobuf=true
|
||||
// +protobuf.options.(gogoproto.goproto_stringer)=false
|
||||
type IntOrString struct {
|
||||
Type Type
|
||||
IntVal int32
|
||||
StrVal string
|
||||
}
|
||||
|
||||
// String returns the string value, or the Itoa of the int value.
|
||||
func (intstr *IntOrString) String() string {
|
||||
if intstr.Type == String {
|
||||
return intstr.StrVal
|
||||
}
|
||||
return strconv.Itoa(intstr.IntValue())
|
||||
}
|
||||
|
||||
// IntValue returns the IntVal if type Int, or if
|
||||
// it is a String, will attempt a conversion to int.
|
||||
func (intstr *IntOrString) IntValue() int {
|
||||
if intstr.Type == String {
|
||||
i, _ := strconv.Atoi(intstr.StrVal)
|
||||
return i
|
||||
}
|
||||
return int(intstr.IntVal)
|
||||
}
|
||||
|
||||
// UnmarshalJSON implements the json.Unmarshaller interface.
|
||||
func (intstr *IntOrString) UnmarshalJSON(value []byte) error {
|
||||
if value[0] == '"' {
|
||||
intstr.Type = String
|
||||
return json.Unmarshal(value, &intstr.StrVal)
|
||||
}
|
||||
intstr.Type = Int
|
||||
return json.Unmarshal(value, &intstr.IntVal)
|
||||
}
|
||||
|
||||
// Type represents the stored type of IntOrString.
|
||||
type Type int
|
||||
|
||||
const (
|
||||
// Int int
|
||||
Int Type = iota // The IntOrString holds an int.
|
||||
//String string
|
||||
String // The IntOrString holds a string.
|
||||
)
|
||||
|
||||
// ServiceList holds a list of services.
|
||||
type ServiceList struct {
|
||||
TypeMeta `json:",inline"`
|
||||
ListMeta `json:"metadata,omitempty"`
|
||||
|
||||
Items []Service `json:"items"`
|
||||
}
|
||||
|
||||
// ListMeta describes metadata that synthetic resources must have, including lists and
|
||||
// various status objects. A resource may have only one of {ObjectMeta, ListMeta}.
|
||||
type ListMeta struct {
|
||||
// SelfLink is a URL representing this object.
|
||||
// Populated by the system.
|
||||
// Read-only.
|
||||
SelfLink string `json:"selfLink,omitempty"`
|
||||
|
||||
// String that identifies the server's internal version of this object that
|
||||
// can be used by clients to determine when objects have changed.
|
||||
// Value must be treated as opaque by clients and passed unmodified back to the server.
|
||||
// Populated by the system.
|
||||
// Read-only.
|
||||
// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#concurrency-control-and-consistency
|
||||
ResourceVersion string `json:"resourceVersion,omitempty"`
|
||||
}
|
164
provider/kubernetes.go
Normal file
164
provider/kubernetes.go
Normal file
|
@ -0,0 +1,164 @@
|
|||
package provider
|
||||
|
||||
import (
|
||||
log "github.com/Sirupsen/logrus"
|
||||
"github.com/cenkalti/backoff"
|
||||
"github.com/containous/traefik/provider/k8s"
|
||||
"github.com/containous/traefik/safe"
|
||||
"github.com/containous/traefik/types"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"text/template"
|
||||
"time"
|
||||
)
|
||||
|
||||
const (
|
||||
serviceAccountToken = "/var/run/secrets/kubernetes.io/serviceaccount/token"
|
||||
serviceAccountCACert = "/var/run/secrets/kubernetes.io/serviceaccount/ca.crt"
|
||||
)
|
||||
|
||||
// Kubernetes holds configurations of the Kubernetes provider.
|
||||
type Kubernetes struct {
|
||||
BaseProvider `mapstructure:",squash"`
|
||||
Endpoint string
|
||||
}
|
||||
|
||||
// Provide allows the provider to provide configurations to traefik
|
||||
// using the given configuration channel.
|
||||
func (provider *Kubernetes) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool) error {
|
||||
var token string
|
||||
tokenBytes, err := ioutil.ReadFile(serviceAccountToken)
|
||||
if err == nil {
|
||||
token = string(tokenBytes)
|
||||
log.Debugf("Kubernetes token: %s", token)
|
||||
} else {
|
||||
log.Debugf("Kubernetes load token error: %s", err)
|
||||
}
|
||||
caCert, err := ioutil.ReadFile(serviceAccountCACert)
|
||||
if err == nil {
|
||||
log.Debugf("Kubernetes CA cert: %s", serviceAccountCACert)
|
||||
} else {
|
||||
log.Debugf("Kubernetes load token error: %s", err)
|
||||
}
|
||||
kubernetesHost := os.Getenv("KUBERNETES_SERVICE_HOST")
|
||||
kubernetesPort := os.Getenv("KUBERNETES_SERVICE_PORT_HTTPS")
|
||||
if len(kubernetesPort) > 0 && len(kubernetesHost) > 0 {
|
||||
provider.Endpoint = "https://" + kubernetesHost + ":" + kubernetesPort
|
||||
}
|
||||
log.Debugf("Kubernetes endpoint: %s", provider.Endpoint)
|
||||
k8sClient, err := k8s.NewClient(provider.Endpoint, caCert, token)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
pool.Go(func(stop chan bool) {
|
||||
stopWatch := make(chan bool)
|
||||
operation := func() error {
|
||||
select {
|
||||
case <-stop:
|
||||
return nil
|
||||
default:
|
||||
}
|
||||
ingressesChan, errChan, err := k8sClient.WatchIngresses(func(ingress k8s.Ingress) bool {
|
||||
return true
|
||||
}, stopWatch)
|
||||
if err != nil {
|
||||
log.Errorf("Error retrieving ingresses: %v", err)
|
||||
return err
|
||||
}
|
||||
for {
|
||||
templateObjects := types.Configuration{
|
||||
map[string]*types.Backend{},
|
||||
map[string]*types.Frontend{},
|
||||
}
|
||||
select {
|
||||
case <-stop:
|
||||
stopWatch <- true
|
||||
return nil
|
||||
case err := <-errChan:
|
||||
return err
|
||||
case event := <-ingressesChan:
|
||||
log.Debugf("Received event from kubenetes %+v", event)
|
||||
ingresses, err := k8sClient.GetIngresses(func(ingress k8s.Ingress) bool {
|
||||
return true
|
||||
})
|
||||
if err != nil {
|
||||
log.Errorf("Error retrieving ingresses: %+v", err)
|
||||
continue
|
||||
}
|
||||
for _, i := range ingresses {
|
||||
for _, r := range i.Spec.Rules {
|
||||
for _, pa := range r.HTTP.Paths {
|
||||
if _, exists := templateObjects.Backends[r.Host+pa.Path]; !exists {
|
||||
templateObjects.Backends[r.Host+pa.Path] = &types.Backend{
|
||||
Servers: make(map[string]types.Server),
|
||||
}
|
||||
}
|
||||
if _, exists := templateObjects.Frontends[r.Host+pa.Path]; !exists {
|
||||
templateObjects.Frontends[r.Host+pa.Path] = &types.Frontend{
|
||||
Backend: r.Host + pa.Path,
|
||||
Routes: make(map[string]types.Route),
|
||||
}
|
||||
}
|
||||
if _, exists := templateObjects.Frontends[r.Host+pa.Path].Routes[r.Host]; !exists {
|
||||
templateObjects.Frontends[r.Host+pa.Path].Routes[r.Host] = types.Route{
|
||||
Rule: "Host:" + r.Host,
|
||||
}
|
||||
}
|
||||
if len(pa.Path) > 0 {
|
||||
templateObjects.Frontends[r.Host+pa.Path].Routes[pa.Path] = types.Route{
|
||||
Rule: "Path:" + pa.Path,
|
||||
}
|
||||
}
|
||||
services, err := k8sClient.GetServices(func(service k8s.Service) bool {
|
||||
return service.Name == pa.Backend.ServiceName
|
||||
})
|
||||
if err != nil {
|
||||
log.Errorf("Error retrieving services: %v", err)
|
||||
continue
|
||||
}
|
||||
for _, service := range services {
|
||||
var protocol string
|
||||
for _, port := range service.Spec.Ports {
|
||||
if port.Port == pa.Backend.ServicePort.IntValue() {
|
||||
protocol = port.Name
|
||||
break
|
||||
}
|
||||
}
|
||||
templateObjects.Backends[r.Host+pa.Path].Servers[string(service.UID)] = types.Server{
|
||||
URL: protocol + "://" + service.Spec.ClusterIP + ":" + pa.Backend.ServicePort.String(),
|
||||
Weight: 1,
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
configurationChan <- types.ConfigMessage{
|
||||
ProviderName: "kubernetes",
|
||||
Configuration: provider.loadConfig(templateObjects),
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
notify := func(err error, time time.Duration) {
|
||||
log.Errorf("Kubernetes connection error %+v, retrying in %s", err, time)
|
||||
}
|
||||
err := backoff.RetryNotify(operation, backoff.NewExponentialBackOff(), notify)
|
||||
if err != nil {
|
||||
log.Fatalf("Cannot connect to Kubernetes server %+v", err)
|
||||
}
|
||||
})
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (provider *Kubernetes) loadConfig(templateObjects types.Configuration) *types.Configuration {
|
||||
var FuncMap = template.FuncMap{}
|
||||
configuration, err := provider.getConfiguration("templates/kubernetes.tmpl", FuncMap, templateObjects)
|
||||
if err != nil {
|
||||
log.Error(err)
|
||||
}
|
||||
return configuration
|
||||
}
|
|
@ -74,7 +74,7 @@ func TestConfigurationErrors(t *testing.T) {
|
|||
Filename: templateInvalidTOMLFile.Name(),
|
||||
},
|
||||
},
|
||||
expectedError: "Near line 1, key 'Hello': Near line 1: Expected key separator '=', but got '<' instead",
|
||||
expectedError: "Near line 1 (last key parsed 'Hello'): Expected key separator '=', but got '<' instead",
|
||||
funcMap: template.FuncMap{
|
||||
"Foo": func() string {
|
||||
return "bar"
|
||||
|
|
|
@ -22,4 +22,4 @@ if [ -z "$DATE" ]; then
|
|||
fi
|
||||
|
||||
# Build binaries
|
||||
CGO_ENABLED=0 GOGC=off go build $FLAGS -ldflags "-X main.Version=$VERSION -X main.BuildDate=$DATE" -a -installsuffix nocgo -o dist/traefik .
|
||||
CGO_ENABLED=0 GOGC=off go build $FLAGS -ldflags "-s -w -X main.Version=$VERSION -X main.BuildDate=$DATE" -a -installsuffix nocgo -o dist/traefik .
|
||||
|
|
|
@ -236,6 +236,9 @@ func (server *Server) configureProviders() {
|
|||
if server.globalConfiguration.Boltdb != nil {
|
||||
server.providers = append(server.providers, server.globalConfiguration.Boltdb)
|
||||
}
|
||||
if server.globalConfiguration.Kubernetes != nil {
|
||||
server.providers = append(server.providers, server.globalConfiguration.Kubernetes)
|
||||
}
|
||||
}
|
||||
|
||||
func (server *Server) startProviders() {
|
||||
|
|
16
templates/kubernetes.tmpl
Normal file
16
templates/kubernetes.tmpl
Normal file
|
@ -0,0 +1,16 @@
|
|||
[backends]{{range $backendName, $backend := .Backends}}
|
||||
{{range $serverName, $server := $backend.Servers}}
|
||||
[backends."{{$backendName}}".servers."{{$serverName}}"]
|
||||
url = "{{$server.URL}}"
|
||||
weight = {{$server.Weight}}
|
||||
{{end}}
|
||||
{{end}}
|
||||
|
||||
[frontends]{{range $frontendName, $frontend := .Frontends}}
|
||||
[frontends."{{$frontendName}}"]
|
||||
backend = "{{$frontend.Backend}}"
|
||||
{{range $routeName, $route := $frontend.Routes}}
|
||||
[frontends."{{$frontendName}}".routes."{{$routeName}}"]
|
||||
rule = "{{$route.Rule}}"
|
||||
{{end}}
|
||||
{{end}}
|
Loading…
Reference in a new issue