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Nomad provider to allow empty services

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chrispruitt 2024-04-04 05:54:04 -04:00 committed by GitHub
parent 2c6418e17a
commit ac1753a614
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41 changed files with 3540 additions and 87 deletions
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24
docs/content/providers/nomad.md
View file

@ -511,3 +511,27 @@ providers:
--providers.nomad.namespaces=ns1,ns2 --providers.nomad.namespaces=ns1,ns2
# ... # ...
``` ```
### `allowEmptyServices`
_Optional, Default: false_
If the parameter is set to `true`,
it allows the creation of an empty [servers load balancer](../routing/services/index.md#servers-load-balancer) if the targeted Nomad service has no endpoints available. This results in a `503` HTTP response instead of a `404`.
```yaml tab="File (YAML)"
providers:
nomad:
allowEmptyServices: true
# ...
```
```toml tab="File (TOML)"
[providers.nomad]
allowEmptyServices = true
# ...
```
```bash tab="CLI"
--providers.nomad.allowEmptyServices=true
```

3
docs/content/reference/static-configuration/cli-ref.md
View file

@ -789,6 +789,9 @@ Kubernetes bearer token (not needed for in-cluster client). It accepts either a
`--providers.nomad`: `--providers.nomad`:
Enable Nomad backend with default settings. (Default: ```false```) Enable Nomad backend with default settings. (Default: ```false```)
`--providers.nomad.allowemptyservices`:
Allow the creation of services without endpoints. (Default: ```false```)
`--providers.nomad.constraints`: `--providers.nomad.constraints`:
Constraints is an expression that Traefik matches against the Nomad service's tags to determine whether to create route(s) for that service. Constraints is an expression that Traefik matches against the Nomad service's tags to determine whether to create route(s) for that service.

3
docs/content/reference/static-configuration/env-ref.md
View file

@ -789,6 +789,9 @@ Kubernetes bearer token (not needed for in-cluster client). It accepts either a
`TRAEFIK_PROVIDERS_NOMAD`: `TRAEFIK_PROVIDERS_NOMAD`:
Enable Nomad backend with default settings. (Default: ```false```) Enable Nomad backend with default settings. (Default: ```false```)
`TRAEFIK_PROVIDERS_NOMAD_ALLOWEMPTYSERVICES`:
Allow the creation of services without endpoints. (Default: ```false```)
`TRAEFIK_PROVIDERS_NOMAD_CONSTRAINTS`: `TRAEFIK_PROVIDERS_NOMAD_CONSTRAINTS`:
Constraints is an expression that Traefik matches against the Nomad service's tags to determine whether to create route(s) for that service. Constraints is an expression that Traefik matches against the Nomad service's tags to determine whether to create route(s) for that service.

1
docs/content/reference/static-configuration/file.toml
View file

@ -185,6 +185,7 @@
stale = true stale = true
exposedByDefault = true exposedByDefault = true
refreshInterval = "42s" refreshInterval = "42s"
allowEmptyServices = true
namespaces = ["foobar", "foobar"] namespaces = ["foobar", "foobar"]
[providers.nomad.endpoint] [providers.nomad.endpoint]
address = "foobar" address = "foobar"

1
docs/content/reference/static-configuration/file.yaml
View file

@ -216,6 +216,7 @@ providers:
stale: true stale: true
exposedByDefault: true exposedByDefault: true
refreshInterval: 42s refreshInterval: 42s
allowEmptyServices: true
namespaces: namespaces:
- foobar - foobar
- foobar - foobar

21
pkg/provider/nomad/config.go
View file

@ -97,8 +97,11 @@ func (p *Provider) buildTCPConfig(i item, configuration *dynamic.TCPConfiguratio
} }
for _, service := range configuration.Services { for _, service := range configuration.Services {
if err := p.addServerTCP(i, service.LoadBalancer); err != nil { // Leave load balancer empty when no address and allowEmptyServices = true
return err if !(i.Address == "" && p.AllowEmptyServices) {
if err := p.addServerTCP(i, service.LoadBalancer); err != nil {
return err
}
} }
} }
@ -115,8 +118,11 @@ func (p *Provider) buildUDPConfig(i item, configuration *dynamic.UDPConfiguratio
} }
for _, service := range configuration.Services { for _, service := range configuration.Services {
if err := p.addServerUDP(i, service.LoadBalancer); err != nil { // Leave load balancer empty when no address and allowEmptyServices = true
return err if !(i.Address == "" && p.AllowEmptyServices) {
if err := p.addServerUDP(i, service.LoadBalancer); err != nil {
return err
}
} }
} }
@ -136,8 +142,11 @@ func (p *Provider) buildServiceConfig(i item, configuration *dynamic.HTTPConfigu
} }
for _, service := range configuration.Services { for _, service := range configuration.Services {
if err := p.addServer(i, service.LoadBalancer); err != nil { // Leave load balancer empty when no address and allowEmptyServices = true
return err if !(i.Address == "" && p.AllowEmptyServices) {
if err := p.addServer(i, service.LoadBalancer); err != nil {
return err
}
} }
} }

337
pkg/provider/nomad/config_test.go
View file

@ -706,6 +706,42 @@ func Test_buildConfig(t *testing.T) {
}, },
}, },
}, },
{
desc: "empty service",
items: []item{
{
ID: "id1",
Name: "Test",
Tags: []string{
"traefik.enable=true",
},
Address: "",
Port: -1,
ExtraConf: configuration{Enable: true},
},
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{},
Middlewares: map[string]*dynamic.TCPMiddleware{},
Services: map[string]*dynamic.TCPService{},
ServersTransports: map[string]*dynamic.TCPServersTransport{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{},
Services: map[string]*dynamic.UDPService{},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{},
ServersTransports: map[string]*dynamic.ServersTransport{},
},
TLS: &dynamic.TLSConfiguration{
Stores: map[string]tls.Store{},
},
},
},
{ {
desc: "one service with rule label", desc: "one service with rule label",
items: []item{ items: []item{
@ -2825,6 +2861,307 @@ func Test_buildConfig(t *testing.T) {
} }
} }
func Test_buildConfigAllowEmptyServicesTrue(t *testing.T) {
testCases := []struct {
desc string
items []item
constraints string
expected *dynamic.Configuration
}{
{
desc: "empty service http",
items: []item{
{
ID: "id1",
Name: "Test",
Tags: []string{
"traefik.enable=true",
},
Address: "",
Port: -1,
ExtraConf: configuration{Enable: true},
},
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{},
Middlewares: map[string]*dynamic.TCPMiddleware{},
Services: map[string]*dynamic.TCPService{},
ServersTransports: map[string]*dynamic.TCPServersTransport{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{},
Services: map[string]*dynamic.UDPService{},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{
"Test": {
Service: "Test",
Rule: "Host(`Test.traefik.test`)",
DefaultRule: true,
},
},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{
"Test": {
LoadBalancer: &dynamic.ServersLoadBalancer{
Servers: nil,
PassHostHeader: Bool(true),
ResponseForwarding: &dynamic.ResponseForwarding{
FlushInterval: ptypes.Duration(100 * time.Millisecond),
},
},
},
},
ServersTransports: map[string]*dynamic.ServersTransport{},
},
TLS: &dynamic.TLSConfiguration{
Stores: map[string]tls.Store{},
},
},
},
{
desc: "empty service tcp",
items: []item{
{
ID: "id1",
Name: "Test",
Tags: []string{
"traefik.tcp.routers.test.rule = HostSNI(`foobar`)",
},
Address: "",
Port: -1,
ExtraConf: configuration{Enable: true},
},
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{
"test": {
Rule: "HostSNI(`foobar`)",
Service: "Test",
},
},
Middlewares: map[string]*dynamic.TCPMiddleware{},
Services: map[string]*dynamic.TCPService{
"Test": {
LoadBalancer: &dynamic.TCPServersLoadBalancer{},
},
},
ServersTransports: map[string]*dynamic.TCPServersTransport{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{},
Services: map[string]*dynamic.UDPService{},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{},
ServersTransports: map[string]*dynamic.ServersTransport{},
},
TLS: &dynamic.TLSConfiguration{
Stores: map[string]tls.Store{},
},
},
},
{
desc: "empty service udp",
items: []item{
{
ID: "id1",
Name: "Test",
Tags: []string{
"traefik.udp.routers.test.entrypoints = udp",
},
Address: "",
Port: -1,
ExtraConf: configuration{Enable: true},
},
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{},
Middlewares: map[string]*dynamic.TCPMiddleware{},
Services: map[string]*dynamic.TCPService{},
ServersTransports: map[string]*dynamic.TCPServersTransport{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{
"test": {
EntryPoints: []string{"udp"},
Service: "Test",
},
},
Services: map[string]*dynamic.UDPService{
"Test": {
LoadBalancer: &dynamic.UDPServersLoadBalancer{},
},
},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{},
ServersTransports: map[string]*dynamic.ServersTransport{},
},
TLS: &dynamic.TLSConfiguration{
Stores: map[string]tls.Store{},
},
},
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
p := new(Provider)
p.SetDefaults()
p.AllowEmptyServices = true
p.DefaultRule = "Host(`{{ normalize .Name }}.traefik.test`)"
p.Constraints = test.constraints
err := p.Init()
require.NoError(t, err)
ctx := context.TODO()
c := p.buildConfig(ctx, test.items)
require.Equal(t, test.expected, c)
})
}
}
func Test_buildConfigAllowEmptyServicesFalseDefault(t *testing.T) {
testCases := []struct {
desc string
items []item
constraints string
expected *dynamic.Configuration
}{
{
desc: "empty service http",
items: []item{
{
ID: "id1",
Name: "Test",
Tags: []string{
"traefik.enable=true",
},
Address: "",
Port: -1,
ExtraConf: configuration{Enable: true},
},
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{},
Middlewares: map[string]*dynamic.TCPMiddleware{},
Services: map[string]*dynamic.TCPService{},
ServersTransports: map[string]*dynamic.TCPServersTransport{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{},
Services: map[string]*dynamic.UDPService{},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{},
ServersTransports: map[string]*dynamic.ServersTransport{},
},
TLS: &dynamic.TLSConfiguration{
Stores: map[string]tls.Store{},
},
},
},
{
desc: "empty service tcp",
items: []item{
{
ID: "id1",
Name: "Test",
Tags: []string{
"traefik.tcp.routers.test.rule = HostSNI(`foobar`)",
},
Address: "",
Port: -1,
ExtraConf: configuration{Enable: true},
},
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{},
Middlewares: map[string]*dynamic.TCPMiddleware{},
Services: map[string]*dynamic.TCPService{},
ServersTransports: map[string]*dynamic.TCPServersTransport{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{},
Services: map[string]*dynamic.UDPService{},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{},
ServersTransports: map[string]*dynamic.ServersTransport{},
},
TLS: &dynamic.TLSConfiguration{
Stores: map[string]tls.Store{},
},
},
},
{
desc: "empty service udp",
items: []item{
{
ID: "id1",
Name: "Test",
Tags: []string{
"traefik.udp.routers.test.entrypoints = udp",
},
Address: "",
Port: -1,
ExtraConf: configuration{Enable: true},
},
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{},
Middlewares: map[string]*dynamic.TCPMiddleware{},
Services: map[string]*dynamic.TCPService{},
ServersTransports: map[string]*dynamic.TCPServersTransport{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{},
Services: map[string]*dynamic.UDPService{},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{},
ServersTransports: map[string]*dynamic.ServersTransport{},
},
TLS: &dynamic.TLSConfiguration{
Stores: map[string]tls.Store{},
},
},
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
p := new(Provider)
p.SetDefaults()
p.DefaultRule = "Host(`{{ normalize .Name }}.traefik.test`)"
p.Constraints = test.constraints
err := p.Init()
require.NoError(t, err)
ctx := context.TODO()
c := p.buildConfig(ctx, test.items)
require.Equal(t, test.expected, c)
})
}
}
func Test_keepItem(t *testing.T) { func Test_keepItem(t *testing.T) {
testCases := []struct { testCases := []struct {
name string name string

220
pkg/provider/nomad/fixtures/job_job1_WithGroupService_Scaling1.json Normal file
View file

@ -0,0 +1,220 @@
{
"Stop": false,
"Region": "global",
"Namespace": "default",
"ID": "job1",
"ParentID": "",
"Name": "job1",
"Type": "service",
"Priority": 50,
"AllAtOnce": false,
"Datacenters": [
"dc1"
],
"NodePool": "default",
"Constraints": null,
"Affinities": null,
"Spreads": null,
"TaskGroups": [
{
"Name": "group1",
"Count": 1,
"Update": {
"Stagger": 30000000000,
"MaxParallel": 1,
"HealthCheck": "checks",
"MinHealthyTime": 10000000000,
"HealthyDeadline": 300000000000,
"ProgressDeadline": 600000000000,
"AutoRevert": false,
"AutoPromote": false,
"Canary": 0
},
"Migrate": {
"MaxParallel": 1,
"HealthCheck": "checks",
"MinHealthyTime": 10000000000,
"HealthyDeadline": 300000000000
},
"Constraints": [
{
"LTarget": "${attr.nomad.service_discovery}",
"RTarget": "true",
"Operand": "="
}
],
"Scaling": {
"ID": "654cb8ee-9c81-4fe8-02a0-2aecdea35ae3",
"Type": "horizontal",
"Target": {
"Job": "job1",
"Group": "group1",
"Namespace": "default"
},
"Policy": null,
"Min": 0,
"Max": 3,
"Enabled": true,
"CreateIndex": 0,
"ModifyIndex": 0
},
"RestartPolicy": {
"Attempts": 2,
"Interval": 1800000000000,
"Delay": 15000000000,
"Mode": "fail",
"RenderTemplates": false
},
"Tasks": [
{
"Name": "task1",
"Driver": "docker",
"User": "",
"Config": {
"image": "nginx",
"ports": [
"http"
]
},
"Env": null,
"Services": null,
"Vault": null,
"Templates": null,
"Constraints": null,
"Affinities": null,
"Resources": {
"CPU": 100,
"Cores": 0,
"MemoryMB": 300,
"MemoryMaxMB": 0,
"DiskMB": 0,
"IOPS": 0,
"Networks": null,
"Devices": null
},
"RestartPolicy": {
"Attempts": 2,
"Interval": 1800000000000,
"Delay": 15000000000,
"Mode": "fail",
"RenderTemplates": false
},
"DispatchPayload": null,
"Lifecycle": null,
"Meta": null,
"KillTimeout": 5000000000,
"LogConfig": {
"MaxFiles": 10,
"MaxFileSizeMB": 10,
"Disabled": false
},
"Artifacts": null,
"Leader": false,
"ShutdownDelay": 0,
"VolumeMounts": null,
"ScalingPolicies": null,
"KillSignal": "",
"Kind": "",
"CSIPluginConfig": null,
"Identity": null
}
],
"EphemeralDisk": {
"Sticky": false,
"SizeMB": 300,
"Migrate": false
},
"Meta": null,
"ReschedulePolicy": {
"Attempts": 0,
"Interval": 0,
"Delay": 30000000000,
"DelayFunction": "exponential",
"MaxDelay": 3600000000000,
"Unlimited": true
},
"Affinities": null,
"Spreads": null,
"Networks": [
{
"Mode": "",
"Device": "",
"CIDR": "",
"IP": "",
"Hostname": "",
"MBits": 0,
"DNS": null,
"ReservedPorts": null,
"DynamicPorts": [
{
"Label": "http",
"Value": 0,
"To": 80,
"HostNetwork": "default"
}
]
}
],
"Consul": {
"Namespace": ""
},
"Services": [
{
"Name": "job1",
"TaskName": "",
"PortLabel": "http",
"AddressMode": "auto",
"Address": "",
"EnableTagOverride": false,
"Tags": [
"traefik.enable=true"
],
"CanaryTags": null,
"Checks": null,
"Connect": null,
"Meta": null,
"CanaryMeta": null,
"TaggedAddresses": null,
"Namespace": "default",
"OnUpdate": "require_healthy",
"Provider": "nomad"
}
],
"Volumes": null,
"ShutdownDelay": null,
"StopAfterClientDisconnect": null,
"MaxClientDisconnect": null
}
],
"Update": {
"Stagger": 30000000000,
"MaxParallel": 1,
"HealthCheck": "",
"MinHealthyTime": 0,
"HealthyDeadline": 0,
"ProgressDeadline": 0,
"AutoRevert": false,
"AutoPromote": false,
"Canary": 0
},
"Multiregion": null,
"Periodic": null,
"ParameterizedJob": null,
"Dispatched": false,
"DispatchIdempotencyToken": "",
"Payload": null,
"Meta": null,
"ConsulToken": "",
"ConsulNamespace": "",
"VaultToken": "",
"VaultNamespace": "",
"NomadTokenID": "",
"Status": "running",
"StatusDescription": "",
"Stable": true,
"Version": 11,
"SubmitTime": 1705690395733241600,
"CreateIndex": 493,
"ModifyIndex": 9961,
"JobModifyIndex": 9955
}

220
pkg/provider/nomad/fixtures/job_job2_WithGroupService_Scaling0.json Normal file
View file

@ -0,0 +1,220 @@
{
"Stop": false,
"Region": "global",
"Namespace": "default",
"ID": "job2",
"ParentID": "",
"Name": "job2",
"Type": "service",
"Priority": 50,
"AllAtOnce": false,
"Datacenters": [
"dc1"
],
"NodePool": "default",
"Constraints": null,
"Affinities": null,
"Spreads": null,
"TaskGroups": [
{
"Name": "group1",
"Count": 0,
"Update": {
"Stagger": 30000000000,
"MaxParallel": 1,
"HealthCheck": "checks",
"MinHealthyTime": 10000000000,
"HealthyDeadline": 300000000000,
"ProgressDeadline": 600000000000,
"AutoRevert": false,
"AutoPromote": false,
"Canary": 0
},
"Migrate": {
"MaxParallel": 1,
"HealthCheck": "checks",
"MinHealthyTime": 10000000000,
"HealthyDeadline": 300000000000
},
"Constraints": [
{
"LTarget": "${attr.nomad.service_discovery}",
"RTarget": "true",
"Operand": "="
}
],
"Scaling": {
"ID": "0ae1d8fa-aa84-0b1b-941f-82dc71bc4664",
"Type": "horizontal",
"Target": {
"Group": "group1",
"Namespace": "default",
"Job": "job2"
},
"Policy": null,
"Min": 0,
"Max": 3,
"Enabled": true,
"CreateIndex": 9975,
"ModifyIndex": 9975
},
"RestartPolicy": {
"Attempts": 2,
"Interval": 1800000000000,
"Delay": 15000000000,
"Mode": "fail",
"RenderTemplates": false
},
"Tasks": [
{
"Name": "task1",
"Driver": "docker",
"User": "",
"Config": {
"ports": [
"http"
],
"image": "nginx"
},
"Env": null,
"Services": null,
"Vault": null,
"Templates": null,
"Constraints": null,
"Affinities": null,
"Resources": {
"CPU": 100,
"Cores": 0,
"MemoryMB": 300,
"MemoryMaxMB": 0,
"DiskMB": 0,
"IOPS": 0,
"Networks": null,
"Devices": null
},
"RestartPolicy": {
"Attempts": 2,
"Interval": 1800000000000,
"Delay": 15000000000,
"Mode": "fail",
"RenderTemplates": false
},
"DispatchPayload": null,
"Lifecycle": null,
"Meta": null,
"KillTimeout": 5000000000,
"LogConfig": {
"MaxFiles": 10,
"MaxFileSizeMB": 10,
"Disabled": false
},
"Artifacts": null,
"Leader": false,
"ShutdownDelay": 0,
"VolumeMounts": null,
"ScalingPolicies": null,
"KillSignal": "",
"Kind": "",
"CSIPluginConfig": null,
"Identity": null
}
],
"EphemeralDisk": {
"Sticky": false,
"SizeMB": 300,
"Migrate": false
},
"Meta": null,
"ReschedulePolicy": {
"Attempts": 0,
"Interval": 0,
"Delay": 30000000000,
"DelayFunction": "exponential",
"MaxDelay": 3600000000000,
"Unlimited": true
},
"Affinities": null,
"Spreads": null,
"Networks": [
{
"Mode": "",
"Device": "",
"CIDR": "",
"IP": "",
"Hostname": "",
"MBits": 0,
"DNS": null,
"ReservedPorts": null,
"DynamicPorts": [
{
"Label": "http",
"Value": 0,
"To": 80,
"HostNetwork": "default"
}
]
}
],
"Consul": {
"Namespace": ""
},
"Services": [
{
"Name": "job2",
"TaskName": "",
"PortLabel": "http",
"AddressMode": "auto",
"Address": "",
"EnableTagOverride": false,
"Tags": [
"traefik.enable=true"
],
"CanaryTags": null,
"Checks": null,
"Connect": null,
"Meta": null,
"CanaryMeta": null,
"TaggedAddresses": null,
"Namespace": "default",
"OnUpdate": "require_healthy",
"Provider": "nomad"
}
],
"Volumes": null,
"ShutdownDelay": null,
"StopAfterClientDisconnect": null,
"MaxClientDisconnect": null
}
],
"Update": {
"Stagger": 30000000000,
"MaxParallel": 1,
"HealthCheck": "",
"MinHealthyTime": 0,
"HealthyDeadline": 0,
"ProgressDeadline": 0,
"AutoRevert": false,
"AutoPromote": false,
"Canary": 0
},
"Multiregion": null,
"Periodic": null,
"ParameterizedJob": null,
"Dispatched": false,
"DispatchIdempotencyToken": "",
"Payload": null,
"Meta": null,
"ConsulToken": "",
"ConsulNamespace": "",
"VaultToken": "",
"VaultNamespace": "",
"NomadTokenID": "",
"Status": "dead",
"StatusDescription": "",
"Stable": true,
"Version": 10,
"SubmitTime": 1705690880440177400,
"CreateIndex": 2923,
"ModifyIndex": 10048,
"JobModifyIndex": 10044
}

206
pkg/provider/nomad/fixtures/job_job3_WithGroupService_ScalingDisabled.json Normal file
View file

@ -0,0 +1,206 @@
{
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}

206
pkg/provider/nomad/fixtures/job_job4_WithGroupService_ScalingDisabled_Stopped.json Normal file
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@ -0,0 +1,206 @@
{
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}

299
pkg/provider/nomad/fixtures/job_job5_WithGroupTaskService_Scaling1.json Normal file
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@ -0,0 +1,299 @@
{
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}

299
pkg/provider/nomad/fixtures/job_job6_WithGroupTaskService_Scaling0.json Normal file
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@ -0,0 +1,299 @@
{
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}

222
pkg/provider/nomad/fixtures/job_job7_TCP.json Normal file
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@ -0,0 +1,222 @@
{
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},
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},
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},
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},
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},
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},
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}
],
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},
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},
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"DynamicPorts": [
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}
]
}
],
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},
"Services": [
{
"Name": "job7",
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"PortLabel": "http",
"AddressMode": "auto",
"Address": "",
"EnableTagOverride": false,
"Tags": [
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"traefik.tcp.routers.job7.rule=HostSNI(`job7`)",
"traefik.tcp.routers.job7.tls.passthrough=true"
],
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"Namespace": "default",
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}
],
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}
],
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},
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"ConsulToken": "",
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"NomadTokenID": "",
"Status": "running",
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"Stable": true,
"Version": 1,
"SubmitTime": 1705752438438572000,
"CreateIndex": 11221,
"ModifyIndex": 11238,
"JobModifyIndex": 11232
}

221
pkg/provider/nomad/fixtures/job_job8_UDP.json Normal file
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@ -0,0 +1,221 @@
{
"Stop": false,
"Region": "global",
"Namespace": "default",
"ID": "job8",
"ParentID": "",
"Name": "job8",
"Type": "service",
"Priority": 50,
"AllAtOnce": false,
"Datacenters": [
"dc1"
],
"NodePool": "default",
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"Affinities": null,
"Spreads": null,
"TaskGroups": [
{
"Name": "group1",
"Count": 1,
"Update": {
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"MaxParallel": 1,
"HealthCheck": "checks",
"MinHealthyTime": 10000000000,
"HealthyDeadline": 300000000000,
"ProgressDeadline": 600000000000,
"AutoRevert": false,
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"Canary": 0
},
"Migrate": {
"MaxParallel": 1,
"HealthCheck": "checks",
"MinHealthyTime": 10000000000,
"HealthyDeadline": 300000000000
},
"Constraints": [
{
"LTarget": "${attr.nomad.service_discovery}",
"RTarget": "true",
"Operand": "="
}
],
"Scaling": {
"ID": "3828aaa9-4e16-cde5-cc80-f0cec4a7c82d",
"Type": "horizontal",
"Target": {
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},
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"Min": 0,
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"ModifyIndex": 0
},
"RestartPolicy": {
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"Interval": 1800000000000,
"Delay": 15000000000,
"Mode": "fail",
"RenderTemplates": false
},
"Tasks": [
{
"Name": "task1",
"Driver": "docker",
"User": "",
"Config": {
"ports": [
"http"
],
"image": "nginx"
},
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"Affinities": null,
"Resources": {
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"Networks": null,
"Devices": null
},
"RestartPolicy": {
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"Mode": "fail",
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},
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"Meta": null,
"KillTimeout": 5000000000,
"LogConfig": {
"MaxFiles": 10,
"MaxFileSizeMB": 10,
"Disabled": false
},
"Artifacts": null,
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"KillSignal": "",
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}
],
"EphemeralDisk": {
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"SizeMB": 300,
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},
"Meta": null,
"ReschedulePolicy": {
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"Unlimited": true
},
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"Networks": [
{
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"IP": "",
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"DNS": null,
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"DynamicPorts": [
{
"Label": "http",
"Value": 0,
"To": 80,
"HostNetwork": "default"
}
]
}
],
"Consul": {
"Namespace": ""
},
"Services": [
{
"Name": "job8",
"TaskName": "",
"PortLabel": "http",
"AddressMode": "auto",
"Address": "",
"EnableTagOverride": false,
"Tags": [
"traefik.enable=true",
"traefik.udp.routers.job8.service=job8"
],
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"Connect": null,
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"CanaryMeta": null,
"TaggedAddresses": null,
"Namespace": "default",
"OnUpdate": "require_healthy",
"Provider": "nomad"
}
],
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}
],
"Update": {
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},
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"ConsulToken": "",
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"VaultToken": "",
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"NomadTokenID": "",
"Status": "running",
"StatusDescription": "",
"Stable": true,
"Version": 2,
"SubmitTime": 1705753285493029600,
"CreateIndex": 11276,
"ModifyIndex": 11303,
"JobModifyIndex": 11297
}

220
pkg/provider/nomad/fixtures/job_job9_ScalingEnabled_Stopped.json Normal file
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@ -0,0 +1,220 @@
{
"Stop": true,
"Region": "global",
"Namespace": "default",
"ID": "job9",
"ParentID": "",
"Name": "job9",
"Type": "service",
"Priority": 50,
"AllAtOnce": false,
"Datacenters": [
"dc1"
],
"NodePool": "default",
"Constraints": null,
"Affinities": null,
"Spreads": null,
"TaskGroups": [
{
"Name": "group1",
"Count": 1,
"Update": {
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"MaxParallel": 1,
"HealthCheck": "checks",
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"HealthyDeadline": 300000000000,
"ProgressDeadline": 600000000000,
"AutoRevert": false,
"AutoPromote": false,
"Canary": 0
},
"Migrate": {
"MaxParallel": 1,
"HealthCheck": "checks",
"MinHealthyTime": 10000000000,
"HealthyDeadline": 300000000000
},
"Constraints": [
{
"LTarget": "${attr.nomad.service_discovery}",
"RTarget": "true",
"Operand": "="
}
],
"Scaling": {
"ID": "094d38a7-24cf-d3a4-3a82-cfc50ef7c597",
"Type": "horizontal",
"Target": {
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"Namespace": "default",
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},
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"Max": 3,
"Enabled": true,
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},
"RestartPolicy": {
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"Interval": 1800000000000,
"Delay": 15000000000,
"Mode": "fail",
"RenderTemplates": false
},
"Tasks": [
{
"Name": "task1",
"Driver": "docker",
"User": "",
"Config": {
"image": "nginx",
"ports": [
"http"
]
},
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"Services": null,
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"Resources": {
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"Devices": null
},
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},
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"LogConfig": {
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"MaxFileSizeMB": 10,
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},
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}
],
"EphemeralDisk": {
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},
"Meta": null,
"ReschedulePolicy": {
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"Unlimited": true
},
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{
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"DynamicPorts": [
{
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"To": 80,
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}
]
}
],
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},
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{
"Name": "job9",
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"PortLabel": "http",
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"EnableTagOverride": false,
"Tags": [
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],
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"Namespace": "default",
"OnUpdate": "require_healthy",
"Provider": "nomad"
}
],
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}
],
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},
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"Stable": true,
"Version": 3,
"SubmitTime": 1705753979676559600,
"CreateIndex": 11317,
"ModifyIndex": 11346,
"JobModifyIndex": 11344
}

56
pkg/provider/nomad/fixtures/jobs_job1.json Normal file
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[
{
"ID": "job1",
"ParentID": "",
"Name": "job1",
"Namespace": "default",
"Datacenters": [
"dc1"
],
"NodePool": "default",
"Multiregion": null,
"Type": "service",
"Priority": 50,
"Periodic": false,
"ParameterizedJob": false,
"Stop": false,
"Status": "running",
"StatusDescription": "",
"JobSummary": {
"JobID": "job1",
"Namespace": "default",
"Summary": {
"job1": {
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},
"group1": {
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}
},
"Children": {
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},
"CreateIndex": 493,
"ModifyIndex": 9909
},
"CreateIndex": 493,
"ModifyIndex": 9961,
"JobModifyIndex": 9955,
"SubmitTime": 1705690395733241600,
"Meta": null
}
]

47
pkg/provider/nomad/fixtures/jobs_job2.json Normal file
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@ -0,0 +1,47 @@
[
{
"ID": "job2",
"ParentID": "",
"Name": "job2",
"Namespace": "default",
"Datacenters": [
"dc1"
],
"NodePool": "default",
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"Type": "service",
"Priority": 50,
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"StatusDescription": "",
"JobSummary": {
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}
},
"Children": {
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},
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},
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"JobModifyIndex": 10044,
"SubmitTime": 1705690880440177400,
"Meta": null
}
]

47
pkg/provider/nomad/fixtures/jobs_job3.json Normal file
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@ -0,0 +1,47 @@
[
{
"ID": "job3",
"ParentID": "",
"Name": "job3",
"Namespace": "default",
"Datacenters": [
"dc1"
],
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}
},
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},
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},
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"JobModifyIndex": 9983,
"SubmitTime": 1705690892484556300,
"Meta": null
}
]

47
pkg/provider/nomad/fixtures/jobs_job4.json Normal file
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@ -0,0 +1,47 @@
[
{
"ID": "job4",
"ParentID": "",
"Name": "job4",
"Namespace": "default",
"Datacenters": [
"dc1"
],
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"Type": "service",
"Priority": 50,
"Periodic": false,
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"Stop": true,
"Status": "dead",
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"JobSummary": {
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"Namespace": "default",
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}
},
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},
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},
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"SubmitTime": 1705690905317339000,
"Meta": null
}
]

56
pkg/provider/nomad/fixtures/jobs_job5.json Normal file
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@ -0,0 +1,56 @@
[
{
"ID": "job5",
"ParentID": "",
"Name": "job5",
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"dc1"
],
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},
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}
},
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},
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},
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"JobModifyIndex": 10008,
"SubmitTime": 1705690918813110300,
"Meta": null
}
]

47
pkg/provider/nomad/fixtures/jobs_job6.json Normal file
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@ -0,0 +1,47 @@
[
{
"ID": "job6",
"ParentID": "",
"Name": "job6",
"Namespace": "default",
"Datacenters": [
"dc1"
],
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"Type": "service",
"Priority": 50,
"Periodic": false,
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"Status": "dead",
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"JobSummary": {
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}
},
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},
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},
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"SubmitTime": 1705690931854150700,
"Meta": null
}
]

47
pkg/provider/nomad/fixtures/jobs_job7.json Normal file
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@ -0,0 +1,47 @@
[
{
"ID": "job7",
"ParentID": "",
"Name": "job7",
"Namespace": "default",
"Datacenters": [
"dc1"
],
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"Type": "service",
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"Status": "running",
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"JobSummary": {
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}
},
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},
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},
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"SubmitTime": 1705752438438572000,
"Meta": null
}
]

47
pkg/provider/nomad/fixtures/jobs_job8.json Normal file
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@ -0,0 +1,47 @@
[
{
"ID": "job8",
"ParentID": "",
"Name": "job8",
"Namespace": "default",
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"dc1"
],
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}
},
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},
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},
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"SubmitTime": 1705753285493029600,
"Meta": null
}
]

47
pkg/provider/nomad/fixtures/jobs_job9.json Normal file
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@ -0,0 +1,47 @@
[
{
"ID": "job9",
"ParentID": "",
"Name": "job9",
"Namespace": "default",
"Datacenters": [
"dc1"
],
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"Type": "service",
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"Status": "dead",
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}
},
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},
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},
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"SubmitTime": 1705753979676559600,
"Meta": null
}
]

20
pkg/provider/nomad/fixtures/service_hello.json Normal file
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@ -0,0 +1,20 @@
[
{
"Address": "127.0.0.1",
"AllocID": "71a63a80-a98a-93ee-4fd7-73b808577c20",
"CreateIndex": 18,
"Datacenter": "dc1",
"ID": "_nomad-task-71a63a80-a98a-93ee-4fd7-73b808577c20-group-hello-nomad-hello-nomad-http",
"JobID": "echo",
"ModifyIndex": 18,
"Namespace": "default",
"NodeID": "6d7f412e-e7ff-2e66-d47b-867b0e9d8726",
"Port": 20627,
"ServiceName": "hello-nomad",
"Tags": [
"traefik.enable=true",
"traefik.http.routers.hellon.entrypoints=web",
"traefik.http.routers.hellon.service=hello-nomad"
]
}
]

18
pkg/provider/nomad/fixtures/service_job1.json Normal file
View file

@ -0,0 +1,18 @@
[
{
"ID": "_nomad-task-03c7270c-f475-5981-1932-87c0a8a5aa24-group-group1-job1-http",
"ServiceName": "job1",
"Namespace": "default",
"NodeID": "e262ecb6-a7ac-7c3e-4de0-06445559e596",
"Datacenter": "dc1",
"JobID": "job1",
"AllocID": "03c7270c-f475-5981-1932-87c0a8a5aa24",
"Tags": [
"traefik.enable=true"
],
"Address": "192.168.1.21",
"Port": 29916,
"CreateIndex": 5753,
"ModifyIndex": 9958
}
]

1
pkg/provider/nomad/fixtures/service_job2.json Normal file
View file

@ -0,0 +1 @@
[]

18
pkg/provider/nomad/fixtures/service_job3.json Normal file
View file

@ -0,0 +1,18 @@
[
{
"ID": "_nomad-task-dd945b55-70fa-0efc-6512-b88fb55ce33f-group-group1-job3-http",
"ServiceName": "job3",
"Namespace": "default",
"NodeID": "e262ecb6-a7ac-7c3e-4de0-06445559e596",
"Datacenter": "dc1",
"JobID": "job3",
"AllocID": "dd945b55-70fa-0efc-6512-b88fb55ce33f",
"Tags": [
"traefik.enable=true"
],
"Address": "192.168.1.21",
"Port": 29983,
"CreateIndex": 9987,
"ModifyIndex": 9987
}
]

1
pkg/provider/nomad/fixtures/service_job4.json Normal file
View file

@ -0,0 +1 @@
[]

18
pkg/provider/nomad/fixtures/service_job5task1.json Normal file
View file

@ -0,0 +1,18 @@
[
{
"ID": "_nomad-task-a98bac3d-5382-3032-1954-57aff58b20c1-task1-job5task1-http",
"ServiceName": "job5task1",
"Namespace": "default",
"NodeID": "e262ecb6-a7ac-7c3e-4de0-06445559e596",
"Datacenter": "dc1",
"JobID": "job5",
"AllocID": "a98bac3d-5382-3032-1954-57aff58b20c1",
"Tags": [
"traefik.enable=true"
],
"Address": "192.168.1.21",
"Port": 24542,
"CreateIndex": 10013,
"ModifyIndex": 10013
}
]

18
pkg/provider/nomad/fixtures/service_job5task2.json Normal file
View file

@ -0,0 +1,18 @@
[
{
"ID": "_nomad-task-a98bac3d-5382-3032-1954-57aff58b20c1-task2-job5task2-other",
"ServiceName": "job5task2",
"Namespace": "default",
"NodeID": "e262ecb6-a7ac-7c3e-4de0-06445559e596",
"Datacenter": "dc1",
"JobID": "job5",
"AllocID": "a98bac3d-5382-3032-1954-57aff58b20c1",
"Tags": [
"traefik.enable=true"
],
"Address": "192.168.1.21",
"Port": 30165,
"CreateIndex": 10014,
"ModifyIndex": 10014
}
]

1
pkg/provider/nomad/fixtures/service_job6task1.json Normal file
View file

@ -0,0 +1 @@
[]

1
pkg/provider/nomad/fixtures/service_job6task2.json Normal file
View file

@ -0,0 +1 @@
[]

20
pkg/provider/nomad/fixtures/service_job7.json Normal file
View file

@ -0,0 +1,20 @@
[
{
"ID": "_nomad-task-3e1cc853-f6b1-2c46-6f20-332a6e91794b-group-group1-job7-http",
"ServiceName": "job7",
"Namespace": "default",
"NodeID": "e262ecb6-a7ac-7c3e-4de0-06445559e596",
"Datacenter": "dc1",
"JobID": "job7",
"AllocID": "3e1cc853-f6b1-2c46-6f20-332a6e91794b",
"Tags": [
"traefik.enable=true",
"traefik.tcp.routers.job7.rule=HostSNI(`job7`)",
"traefik.tcp.routers.job7.tls.passthrough=true"
],
"Address": "192.168.1.21",
"Port": 22899,
"CreateIndex": 11224,
"ModifyIndex": 11271
}
]

19
pkg/provider/nomad/fixtures/service_job8.json Normal file
View file

@ -0,0 +1,19 @@
[
{
"ID": "_nomad-task-fffd3d81-66ac-ed6d-d9a1-fc41b2a26d07-group-group1-job8-http",
"ServiceName": "job8",
"Namespace": "default",
"NodeID": "e262ecb6-a7ac-7c3e-4de0-06445559e596",
"Datacenter": "dc1",
"JobID": "job8",
"AllocID": "fffd3d81-66ac-ed6d-d9a1-fc41b2a26d07",
"Tags": [
"traefik.enable=true",
"traefik.udp.routers.job8.service=job8"
],
"Address": "192.168.1.21",
"Port": 24268,
"CreateIndex": 11279,
"ModifyIndex": 11300
}
]

1
pkg/provider/nomad/fixtures/service_job9.json Normal file
View file

@ -0,0 +1 @@
[]

18
pkg/provider/nomad/fixtures/service_redis.json Normal file
View file

@ -0,0 +1,18 @@
[
{
"Address": "127.0.0.1",
"AllocID": "07501480-8175-8071-7da6-133bd1ff890f",
"CreateIndex": 46,
"Datacenter": "dc1",
"ID": "_nomad-task-07501480-8175-8071-7da6-133bd1ff890f-group-redis-redis-redis",
"JobID": "echo",
"ModifyIndex": 46,
"Namespace": "default",
"NodeID": "6d7f412e-e7ff-2e66-d47b-867b0e9d8726",
"Port": 30826,
"ServiceName": "redis",
"Tags": [
"traefik.enable=true"
]
}
]

21
pkg/provider/nomad/fixtures/services.json Normal file
View file

@ -0,0 +1,21 @@
[
{
"Namespace": "default",
"Services": [
{
"ServiceName": "redis",
"Tags": [
"traefik.enable=true"
]
},
{
"ServiceName": "hello-nomad",
"Tags": [
"traefik.enable=true",
"traefik.http.routers.hellon.entrypoints=web",
"traefik.http.routers.hellon.service=hello-nomad"
]
}
]
}
]

124
pkg/provider/nomad/nomad.go
View file

@ -85,13 +85,14 @@ func (p *ProviderBuilder) BuildProviders() []*Provider {
// Configuration represents the Nomad provider configuration. // Configuration represents the Nomad provider configuration.
type Configuration struct { type Configuration struct {
DefaultRule string `description:"Default rule." json:"defaultRule,omitempty" toml:"defaultRule,omitempty" yaml:"defaultRule,omitempty"` DefaultRule string `description:"Default rule." json:"defaultRule,omitempty" toml:"defaultRule,omitempty" yaml:"defaultRule,omitempty"`
Constraints string `description:"Constraints is an expression that Traefik matches against the Nomad service's tags to determine whether to create route(s) for that service." json:"constraints,omitempty" toml:"constraints,omitempty" yaml:"constraints,omitempty" export:"true"` Constraints string `description:"Constraints is an expression that Traefik matches against the Nomad service's tags to determine whether to create route(s) for that service." json:"constraints,omitempty" toml:"constraints,omitempty" yaml:"constraints,omitempty" export:"true"`
Endpoint *EndpointConfig `description:"Nomad endpoint settings" json:"endpoint,omitempty" toml:"endpoint,omitempty" yaml:"endpoint,omitempty" export:"true"` Endpoint *EndpointConfig `description:"Nomad endpoint settings" json:"endpoint,omitempty" toml:"endpoint,omitempty" yaml:"endpoint,omitempty" export:"true"`
Prefix string `description:"Prefix for nomad service tags." json:"prefix,omitempty" toml:"prefix,omitempty" yaml:"prefix,omitempty" export:"true"` Prefix string `description:"Prefix for nomad service tags." json:"prefix,omitempty" toml:"prefix,omitempty" yaml:"prefix,omitempty" export:"true"`
Stale bool `description:"Use stale consistency for catalog reads." json:"stale,omitempty" toml:"stale,omitempty" yaml:"stale,omitempty" export:"true"` Stale bool `description:"Use stale consistency for catalog reads." json:"stale,omitempty" toml:"stale,omitempty" yaml:"stale,omitempty" export:"true"`
ExposedByDefault bool `description:"Expose Nomad services by default." json:"exposedByDefault,omitempty" toml:"exposedByDefault,omitempty" yaml:"exposedByDefault,omitempty" export:"true"` ExposedByDefault bool `description:"Expose Nomad services by default." json:"exposedByDefault,omitempty" toml:"exposedByDefault,omitempty" yaml:"exposedByDefault,omitempty" export:"true"`
RefreshInterval ptypes.Duration `description:"Interval for polling Nomad API." json:"refreshInterval,omitempty" toml:"refreshInterval,omitempty" yaml:"refreshInterval,omitempty" export:"true"` RefreshInterval ptypes.Duration `description:"Interval for polling Nomad API." json:"refreshInterval,omitempty" toml:"refreshInterval,omitempty" yaml:"refreshInterval,omitempty" export:"true"`
AllowEmptyServices bool `description:"Allow the creation of services without endpoints." json:"allowEmptyServices,omitempty" toml:"allowEmptyServices,omitempty" yaml:"allowEmptyServices,omitempty" export:"true"`
} }
// SetDefaults sets the default values for the Nomad Traefik Provider Configuration. // SetDefaults sets the default values for the Nomad Traefik Provider Configuration.
@ -116,6 +117,7 @@ func (c *Configuration) SetDefaults() {
c.ExposedByDefault = true c.ExposedByDefault = true
c.RefreshInterval = ptypes.Duration(15 * time.Second) c.RefreshInterval = ptypes.Duration(15 * time.Second)
c.DefaultRule = defaultTemplateRule c.DefaultRule = defaultTemplateRule
c.AllowEmptyServices = false
} }
type EndpointConfig struct { type EndpointConfig struct {
@ -222,10 +224,20 @@ func (p *Provider) Provide(configurationChan chan<- dynamic.Message, pool *safe.
} }
func (p *Provider) loadConfiguration(ctx context.Context, configurationC chan<- dynamic.Message) error { func (p *Provider) loadConfiguration(ctx context.Context, configurationC chan<- dynamic.Message) error {
items, err := p.getNomadServiceData(ctx) var items []item
if err != nil { var err error
return err if p.AllowEmptyServices {
items, err = p.getNomadServiceDataWithEmptyServices(ctx)
if err != nil {
return err
}
} else {
items, err = p.getNomadServiceData(ctx)
if err != nil {
return err
}
} }
configurationC <- dynamic.Message{ configurationC <- dynamic.Message{
ProviderName: p.name, ProviderName: p.name,
Configuration: p.buildConfig(ctx, items), Configuration: p.buildConfig(ctx, items),
@ -291,6 +303,98 @@ func (p *Provider) getNomadServiceData(ctx context.Context) ([]item, error) {
return items, nil return items, nil
} }
func (p *Provider) getNomadServiceDataWithEmptyServices(ctx context.Context) ([]item, error) {
jobsOpts := &api.QueryOptions{AllowStale: p.Stale}
jobsOpts = jobsOpts.WithContext(ctx)
jobStubs, _, err := p.client.Jobs().List(jobsOpts)
if err != nil {
return nil, err
}
var items []item
// Get Services even when they are scaled down to zero. Currently the nomad service interface does not support this. https://github.com/hashicorp/nomad/issues/19731
for _, jobStub := range jobStubs {
jobInfoOpts := &api.QueryOptions{}
jobInfoOpts = jobInfoOpts.WithContext(ctx)
job, _, err := p.client.Jobs().Info(jobStub.ID, jobInfoOpts)
if err != nil {
return nil, err
}
for _, taskGroup := range job.TaskGroups {
services := []*api.Service{}
// Get all services in job -> taskgroup
services = append(services, taskGroup.Services...)
// Get all services in job -> taskgroup -> tasks
for _, task := range taskGroup.Tasks {
services = append(services, task.Services...)
}
for _, service := range services {
logger := log.Ctx(ctx).With().Str("serviceName", service.TaskName).Logger()
extraConf := p.getExtraConf(service.Tags)
if !extraConf.Enable {
logger.Debug().Msg("Filter Nomad service that is not enabled")
continue
}
matches, err := constraints.MatchTags(service.Tags, p.Constraints)
if err != nil {
logger.Error().Err(err).Msg("Error matching constraint expressions")
continue
}
if !matches {
logger.Debug().Msgf("Filter Nomad service not matching constraints: %q", p.Constraints)
continue
}
if nil != taskGroup.Scaling && *taskGroup.Scaling.Enabled && *taskGroup.Count == 0 {
// Add items without address
items = append(items, item{
// Create a unique id for non registered services
ID: fmt.Sprintf("%s-%s-%s-%s-%s", *job.Namespace, *job.Name, *taskGroup.Name, service.TaskName, service.Name),
Name: service.Name,
Namespace: *job.Namespace,
Node: "",
Datacenter: "",
Address: "",
Port: -1,
Tags: service.Tags,
ExtraConf: p.getExtraConf(service.Tags),
})
} else {
instances, err := p.fetchService(ctx, service.Name)
if err != nil {
return nil, err
}
for _, i := range instances {
items = append(items, item{
ID: i.ID,
Name: i.ServiceName,
Namespace: i.Namespace,
Node: i.NodeID,
Datacenter: i.Datacenter,
Address: i.Address,
Port: i.Port,
Tags: i.Tags,
ExtraConf: p.getExtraConf(i.Tags),
})
}
}
}
}
}
return items, nil
}
// getExtraConf returns a configuration with settings which are not part of the dynamic configuration (e.g. "<prefix>.enable"). // getExtraConf returns a configuration with settings which are not part of the dynamic configuration (e.g. "<prefix>.enable").
func (p *Provider) getExtraConf(tags []string) configuration { func (p *Provider) getExtraConf(tags []string) configuration {
labels := tagsToLabels(tags, p.Prefix) labels := tagsToLabels(tags, p.Prefix)

384
pkg/provider/nomad/nomad_test.go
View file

@ -2,8 +2,11 @@ package nomad
import ( import (
"context" "context"
"fmt"
"net/http" "net/http"
"net/http/httptest" "net/http/httptest"
"os"
"path/filepath"
"strings" "strings"
"testing" "testing"
@ -12,6 +15,17 @@ import (
"github.com/traefik/traefik/v3/pkg/types" "github.com/traefik/traefik/v3/pkg/types"
) )
var responses = map[string][]byte{}
func TestMain(m *testing.M) {
err := setup()
if err != nil {
fmt.Fprintf(os.Stderr, "%s", err.Error())
os.Exit(1)
}
m.Run()
}
func Test_globalConfig(t *testing.T) { func Test_globalConfig(t *testing.T) {
cases := []struct { cases := []struct {
Name string Name string
@ -131,15 +145,311 @@ func TestProvider_SetDefaults_Endpoint(t *testing.T) {
} }
} }
func Test_getNomadServiceDataWithEmptyServices_GroupService_Scaling1(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job1"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job1"):
_, _ = w.Write(responses["job_job1_WithGroupService_Scaling1"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job1"):
_, _ = w.Write(responses["service_job1"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
require.Len(t, items, 1)
}
func Test_getNomadServiceDataWithEmptyServices_GroupService_Scaling0(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job2"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job2"):
_, _ = w.Write(responses["job_job2_WithGroupService_Scaling0"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job2"):
_, _ = w.Write(responses["service_job2"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
require.Len(t, items, 1)
}
func Test_getNomadServiceDataWithEmptyServices_GroupService_ScalingDisabled(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job3"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job3"):
_, _ = w.Write(responses["job_job3_WithGroupService_ScalingDisabled"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job3"):
_, _ = w.Write(responses["service_job3"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
require.Len(t, items, 1)
}
func Test_getNomadServiceDataWithEmptyServices_GroupService_ScalingDisabled_Stopped(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job4"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job4"):
_, _ = w.Write(responses["job_job4_WithGroupService_ScalingDisabled_Stopped"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job4"):
_, _ = w.Write(responses["service_job4"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
// Should not be listed as job is stopped
require.Empty(t, items)
}
func Test_getNomadServiceDataWithEmptyServices_GroupTaskService_Scaling1(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job5"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job5"):
_, _ = w.Write(responses["job_job5_WithGroupTaskService_Scaling1"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job5task1"):
_, _ = w.Write(responses["service_job5task1"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job5task2"):
_, _ = w.Write(responses["service_job5task2"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
require.Len(t, items, 2)
}
func Test_getNomadServiceDataWithEmptyServices_GroupTaskService_Scaling0(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job6"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job6"):
_, _ = w.Write(responses["job_job6_WithGroupTaskService_Scaling0"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job6task1"):
_, _ = w.Write(responses["service_job6task1"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job6task2"):
_, _ = w.Write(responses["service_job6task2"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
require.Len(t, items, 2)
}
func Test_getNomadServiceDataWithEmptyServices_TCP(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job7"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job7"):
_, _ = w.Write(responses["job_job7_TCP"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job7"):
_, _ = w.Write(responses["service_job7"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
require.Len(t, items, 1)
}
func Test_getNomadServiceDataWithEmptyServices_UDP(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job8"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job8"):
_, _ = w.Write(responses["job_job8_UDP"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job8"):
_, _ = w.Write(responses["service_job8"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
require.Len(t, items, 1)
}
func Test_getNomadServiceDataWithEmptyServices_ScalingEnabled_Stopped(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasSuffix(r.RequestURI, "/v1/jobs"):
_, _ = w.Write(responses["jobs_job9"])
case strings.HasSuffix(r.RequestURI, "/v1/job/job9"):
_, _ = w.Write(responses["job_job9_ScalingEnabled_Stopped"])
case strings.HasSuffix(r.RequestURI, "/v1/service/job9"):
_, _ = w.Write(responses["service_job9"])
}
}))
t.Cleanup(ts.Close)
p := new(Provider)
p.SetDefaults()
p.Endpoint.Address = ts.URL
err := p.Init()
require.NoError(t, err)
// fudge client, avoid starting up via Provide
p.client, err = createClient(p.namespace, p.Endpoint)
require.NoError(t, err)
// make the query for services
items, err := p.getNomadServiceDataWithEmptyServices(context.TODO())
require.NoError(t, err)
// Should not be listed as job is stopped
require.Empty(t, items)
}
func setup() error {
responsesDir := "./fixtures"
files, err := os.ReadDir(responsesDir)
if err != nil {
return err
}
for _, file := range files {
if !file.IsDir() && filepath.Ext(file.Name()) == ".json" {
content, err := os.ReadFile(filepath.Join(responsesDir, file.Name()))
if err != nil {
return err
}
responses[strings.TrimSuffix(filepath.Base(file.Name()), filepath.Ext(file.Name()))] = content
}
}
return nil
}
func Test_getNomadServiceData(t *testing.T) { func Test_getNomadServiceData(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch { switch {
case strings.HasSuffix(r.RequestURI, "/v1/services"): case strings.HasSuffix(r.RequestURI, "/v1/services"):
_, _ = w.Write([]byte(services)) _, _ = w.Write(responses["services"])
case strings.HasSuffix(r.RequestURI, "/v1/service/redis"): case strings.HasSuffix(r.RequestURI, "/v1/service/redis"):
_, _ = w.Write([]byte(redis)) _, _ = w.Write(responses["service_redis"])
case strings.HasSuffix(r.RequestURI, "/v1/service/hello-nomad"): case strings.HasSuffix(r.RequestURI, "/v1/service/hello-nomad"):
_, _ = w.Write([]byte(hello)) _, _ = w.Write(responses["service_hello"])
} }
})) }))
t.Cleanup(ts.Close) t.Cleanup(ts.Close)
@ -159,71 +469,3 @@ func Test_getNomadServiceData(t *testing.T) {
require.NoError(t, err) require.NoError(t, err)
require.Len(t, items, 2) require.Len(t, items, 2)
} }
const services = `
[
{
"Namespace": "default",
"Services": [
{
"ServiceName": "redis",
"Tags": [
"traefik.enable=true"
]
},
{
"ServiceName": "hello-nomad",
"Tags": [
"traefik.enable=true",
"traefik.http.routers.hellon.entrypoints=web",
"traefik.http.routers.hellon.service=hello-nomad"
]
}
]
}
]
`
const redis = `
[
{
"Address": "127.0.0.1",
"AllocID": "07501480-8175-8071-7da6-133bd1ff890f",
"CreateIndex": 46,
"Datacenter": "dc1",
"ID": "_nomad-task-07501480-8175-8071-7da6-133bd1ff890f-group-redis-redis-redis",
"JobID": "echo",
"ModifyIndex": 46,
"Namespace": "default",
"NodeID": "6d7f412e-e7ff-2e66-d47b-867b0e9d8726",
"Port": 30826,
"ServiceName": "redis",
"Tags": [
"traefik.enable=true"
]
}
]
`
const hello = `
[
{
"Address": "127.0.0.1",
"AllocID": "71a63a80-a98a-93ee-4fd7-73b808577c20",
"CreateIndex": 18,
"Datacenter": "dc1",
"ID": "_nomad-task-71a63a80-a98a-93ee-4fd7-73b808577c20-group-hello-nomad-hello-nomad-http",
"JobID": "echo",
"ModifyIndex": 18,
"Namespace": "default",
"NodeID": "6d7f412e-e7ff-2e66-d47b-867b0e9d8726",
"Port": 20627,
"ServiceName": "hello-nomad",
"Tags": [
"traefik.enable=true",
"traefik.http.routers.hellon.entrypoints=web",
"traefik.http.routers.hellon.service=hello-nomad"
]
}
]
`