Use sdnotify for systemd (#768)
* Use sdnotify for systemd This is useful if a configuration is long to load. Systemd will continue dependency chain only when server have finish to start. https://www.freedesktop.org/software/systemd/man/systemd.service.html#Type= * Extract the waiting behavior from Start()
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@ -2,6 +2,7 @@
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Description=Traefik
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Description=Traefik
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[Service]
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[Service]
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Type=notify
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ExecStart=/usr/bin/traefik --configFile=/etc/traefik.toml
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ExecStart=/usr/bin/traefik --configFile=/etc/traefik.toml
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Restart=on-failure
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Restart=on-failure
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10
glide.lock
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10
glide.lock
generated
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@ -1,5 +1,5 @@
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hash: 39ff28cc1d13d5915a870b14491ece1849c4eaf5a56cecd50a7676ecee6c6143
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hash: 61a63d2dd37e5a9bf32c83fa520f54458c3fe6b520f89b9615d8b26f5d3f317f
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updated: 2016-10-06T14:06:39.455848971+02:00
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updated: 2016-10-24T15:09:49.3944218+02:00
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imports:
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imports:
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- name: github.com/abbot/go-http-auth
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- name: github.com/abbot/go-http-auth
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version: cb4372376e1e00e9f6ab9ec142e029302c9e7140
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version: cb4372376e1e00e9f6ab9ec142e029302c9e7140
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@ -31,6 +31,10 @@ imports:
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- client
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- client
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- pkg/pathutil
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- pkg/pathutil
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- pkg/types
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- pkg/types
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- name: github.com/coreos/go-systemd
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version: 43e4800a6165b4e02bb2a36673c54b230d6f7b26
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subpackages:
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- daemon
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- name: github.com/davecgh/go-spew
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- name: github.com/davecgh/go-spew
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version: 6d212800a42e8ab5c146b8ace3490ee17e5225f9
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version: 6d212800a42e8ab5c146b8ace3490ee17e5225f9
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subpackages:
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subpackages:
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@ -340,7 +344,7 @@ testImports:
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- name: github.com/libkermit/docker-check
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- name: github.com/libkermit/docker-check
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version: cbe0ef03b3d23070eac4d00ba8828f2cc7f7e5a3
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version: cbe0ef03b3d23070eac4d00ba8828f2cc7f7e5a3
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- name: github.com/spf13/pflag
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- name: github.com/spf13/pflag
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version: 08b1a584251b5b62f458943640fc8ebd4d50aaa5
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version: 5644820622454e71517561946e3d94b9f9db6842
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- name: github.com/vbatts/tar-split
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- name: github.com/vbatts/tar-split
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version: bd4c5d64c3e9297f410025a3b1bd0c58f659e721
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version: bd4c5d64c3e9297f410025a3b1bd0c58f659e721
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subpackages:
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subpackages:
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@ -102,3 +102,7 @@ import:
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- package: github.com/docker/leadership
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- package: github.com/docker/leadership
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- package: github.com/satori/go.uuid
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- package: github.com/satori/go.uuid
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version: ^1.1.0
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version: ^1.1.0
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- package: github.com/coreos/go-systemd
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version: v12
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subpackages:
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- daemon
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@ -91,7 +91,7 @@ func NewServer(globalConfiguration GlobalConfiguration) *Server {
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return server
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return server
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}
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}
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// Start starts the server and blocks until server is shutted down.
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// Start starts the server.
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func (server *Server) Start() {
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func (server *Server) Start() {
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server.startHTTPServers()
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server.startHTTPServers()
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server.startLeadership()
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server.startLeadership()
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@ -104,6 +104,10 @@ func (server *Server) Start() {
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server.configureProviders()
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server.configureProviders()
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server.startProviders()
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server.startProviders()
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go server.listenSignals()
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go server.listenSignals()
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}
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// Wait blocks until server is shutted down.
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func (server *Server) Wait() {
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<-server.stopChan
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<-server.stopChan
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}
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}
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@ -24,6 +24,8 @@ import (
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"github.com/containous/traefik/version"
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"github.com/containous/traefik/version"
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"github.com/docker/libkv/store"
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"github.com/docker/libkv/store"
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"github.com/satori/go.uuid"
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"github.com/satori/go.uuid"
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"github.com/coreos/go-systemd/daemon"
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)
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)
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var versionTemplate = `Version: {{.Version}}
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var versionTemplate = `Version: {{.Version}}
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server := NewServer(globalConfiguration)
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server := NewServer(globalConfiguration)
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server.Start()
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server.Start()
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defer server.Close()
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defer server.Close()
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sent, err := daemon.SdNotify("READY=1")
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if !sent && err != nil {
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log.Error("Fail to notify", err)
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}
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server.Wait()
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log.Info("Shutting down")
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log.Info("Shutting down")
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}
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}
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