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32
CHANGELOG.md
View File

@ -1,3 +1,35 @@
## [v2.3.3](https://github.com/traefik/traefik/tree/v2.3.3) (2020-11-19)
[All Commits](https://github.com/traefik/traefik/compare/v2.3.2...v2.3.3)
**Bug fixes:**
- **[acme]** Update go-acme/lego to v4.1.0 ([#7526](https://github.com/traefik/traefik/pull/7526) by [ldez](https://github.com/ldez))
- **[consulcatalog,ecs]** Fix missing allow-empty tag on ECS and Consul Catalog providers ([#7561](https://github.com/traefik/traefik/pull/7561) by [jspdown](https://github.com/jspdown))
- **[consulcatalog]** consulcatalog to update before the first interval ([#7514](https://github.com/traefik/traefik/pull/7514) by [greut](https://github.com/greut))
- **[consulcatalog]** Fix consul catalog panic when health and services are not in sync ([#7558](https://github.com/traefik/traefik/pull/7558) by [jspdown](https://github.com/jspdown))
- **[ecs]** Translate configured server port into correct mapped host port ([#7480](https://github.com/traefik/traefik/pull/7480) by [alekitto](https://github.com/alekitto))
- **[k8s,k8s/crd,k8s/ingress]** Filter out Helm secrets from informer caches ([#7562](https://github.com/traefik/traefik/pull/7562) by [jspdown](https://github.com/jspdown))
- **[plugins]** Update Yaegi to v0.9.5 ([#7527](https://github.com/traefik/traefik/pull/7527) by [ldez](https://github.com/ldez))
- **[plugins]** Update Yaegi to v0.9.7 ([#7569](https://github.com/traefik/traefik/pull/7569) by [kevinpollet](https://github.com/kevinpollet))
- **[plugins]** Update Yaegi to v0.9.4 ([#7451](https://github.com/traefik/traefik/pull/7451) by [ldez](https://github.com/ldez))
- **[tcp]** Ignore errors when setting keepalive period is not supported by the system ([#7410](https://github.com/traefik/traefik/pull/7410) by [tristan-weil](https://github.com/tristan-weil))
- **[tcp]** Improve service name lookup on TCP routers ([#7370](https://github.com/traefik/traefik/pull/7370) by [ddtmachado](https://github.com/ddtmachado))
- Improve anonymize configuration ([#7482](https://github.com/traefik/traefik/pull/7482) by [mmatur](https://github.com/mmatur))
**Documentation:**
- **[ecs]** Add ECS menu to dynamic config reference ([#7501](https://github.com/traefik/traefik/pull/7501) by [kevinpollet](https://github.com/kevinpollet))
- **[k8s,k8s/ingress]** Fix ingress documentation ([#7424](https://github.com/traefik/traefik/pull/7424) by [rtribotte](https://github.com/rtribotte))
- **[k8s]** fix documentation ([#7469](https://github.com/traefik/traefik/pull/7469) by [jbdoumenjou](https://github.com/jbdoumenjou))
- **[k8s]** Fix grammar in kubernetes ingress controller documentation ([#7565](https://github.com/traefik/traefik/pull/7565) by [ivorscott](https://github.com/ivorscott))
- **[logs]** Clarify time-based field units ([#7447](https://github.com/traefik/traefik/pull/7447) by [tomtastic](https://github.com/tomtastic))
- **[middleware]** Forwardauth headers ([#7506](https://github.com/traefik/traefik/pull/7506) by [w4tsn](https://github.com/w4tsn))
- **[provider]** fix typo in providers overview documentation ([#7441](https://github.com/traefik/traefik/pull/7441) by [pirey](https://github.com/pirey))
- **[tls]** Fix docs for TLS ([#7541](https://github.com/traefik/traefik/pull/7541) by [james426759](https://github.com/james426759))
- fix: exclude protected link from doc verify ([#7477](https://github.com/traefik/traefik/pull/7477) by [jbdoumenjou](https://github.com/jbdoumenjou))
- Add missed tls config for yaml example ([#7450](https://github.com/traefik/traefik/pull/7450) by [andrew-demb](https://github.com/andrew-demb))
- Resolve broken URLs causing make docs to fail ([#7444](https://github.com/traefik/traefik/pull/7444) by [tomtastic](https://github.com/tomtastic))
- Fix Traefik Proxy product nav in docs ([#7523](https://github.com/traefik/traefik/pull/7523) by [PCM2](https://github.com/PCM2))
- add links to contributors guide ([#7435](https://github.com/traefik/traefik/pull/7435) by [notsureifkevin](https://github.com/notsureifkevin))
## [v2.3.2](https://github.com/traefik/traefik/tree/v2.3.2) (2020-10-19)
[All Commits](https://github.com/traefik/traefik/compare/v2.3.1...v2.3.2)

2
docs/content/https/tls.md
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@ -64,7 +64,7 @@ tls:
!!! important "Restriction"
Any store definition other than the default one (named `default`) will be ignored,
and there is thefore only one globally available TLS store.
and there is therefore only one globally available TLS store.
In the `tls.certificates` section, a list of stores can then be specified to indicate where the certificates should be stored:

12
docs/content/middlewares/forwardauth.md
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@ -61,6 +61,18 @@ http:
address: "https://example.com/auth"
```
## Forward-Request Headers
The following request properties are provided to the forward-auth target endpoint as `X-Forwarded-` headers.
| Property | Forward-Request Header |
|-------------------|------------------------|
| HTTP Method | X-Forwarded-Method |
| Protocol | X-Forwarded-Proto |
| Host | X-Forwarded-Host |
| Request URI | X-Forwarded-Uri |
| Source IP-Address | X-Forwarded-For |
## Configuration Options
### `address`

7
docs/content/providers/ecs.md
View File

@ -13,18 +13,15 @@ Attach labels to your ECS containers and let Traefik do the rest!
```toml tab="File (TOML)"
[providers.ecs]
clusters = ["default"]
```
```yaml tab="File (YAML)"
providers:
ecs:
clusters:
- default
ecs: {}
```
```bash tab="CLI"
--providers.ecs.clusters=default
--providers.ecs=true
```
## Policy

14
docs/content/providers/kubernetes-crd.md
View File

@ -177,26 +177,32 @@ _Optional,Default: empty (process all resources)_
```toml tab="File (TOML)"
[providers.kubernetesCRD]
labelselector = "A and not B"
labelselector = "app=traefik"
# ...
```
```yaml tab="File (YAML)"
providers:
kubernetesCRD:
labelselector: "A and not B"
labelselector: "app=traefik"
# ...
```
```bash tab="CLI"
--providers.kubernetescrd.labelselector="A and not B"
--providers.kubernetescrd.labelselector="app=traefik"
```
By default, Traefik processes all resource objects in the configured namespaces.
A label selector can be defined to filter on specific resource objects only.
A label selector can be defined to filter on specific resource objects only,
this will apply only on Traefik [Custom Resources](../routing/providers/kubernetes-crd.md#custom-resource-definition-crd)
and has no effect on Kubernetes `Secrets`, `Endpoints` and `Services`.
See [label-selectors](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors) for details.
!!! warning
As the LabelSelector is applied to all Traefik Custom Resources, they all must match the filter.
### `ingressClass`
_Optional, Default: empty_

12
docs/content/providers/kubernetes-ingress.md
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@ -4,7 +4,7 @@ The Kubernetes Ingress Controller.
{: .subtitle }
The Traefik Kubernetes Ingress provider is a Kubernetes Ingress controller; that is to say,
it manages access to a cluster services by supporting the [Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) specification.
it manages access to cluster services by supporting the [Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) specification.
## Routing Configuration
@ -212,23 +212,23 @@ _Optional,Default: empty (process all Ingresses)_
```toml tab="File (TOML)"
[providers.kubernetesIngress]
labelSelector = "A and not B"
labelSelector = "app=traefik"
# ...
```
```yaml tab="File (YAML)"
providers:
kubernetesIngress:
labelselector: "A and not B"
labelselector: "app=traefik"
# ...
```
```bash tab="CLI"
--providers.kubernetesingress.labelselector="A and not B"
--providers.kubernetesingress.labelselector="app=traefik"
```
By default, Traefik processes all Ingress objects in the configured namespaces.
A label selector can be defined to filter on specific Ingress objects only.
By default, Traefik processes all `Ingress` objects in the configured namespaces.
A label selector can be defined to filter on specific `Ingress` objects only.
See [label-selectors](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors) for details.

6
docs/content/reference/static-configuration/cli-ref.md
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@ -330,6 +330,9 @@ TLS key
`--providers.consul.username`:
KV Username
`--providers.consulcatalog`:
Enable ConsulCatalog backend with default settings. (Default: ```false```)
`--providers.consulcatalog.cache`:
Use local agent caching for catalog reads. (Default: ```false```)
@ -438,6 +441,9 @@ Use the ip address from the bound port, rather than from the inner network. (Def
`--providers.docker.watch`:
Watch Docker Swarm events. (Default: ```true```)
`--providers.ecs`:
Enable AWS ECS backend with default settings. (Default: ```false```)
`--providers.ecs.accesskeyid`:
The AWS credentials access key to use for making requests

6
docs/content/reference/static-configuration/env-ref.md
View File

@ -303,6 +303,9 @@ Terminating status code (Default: ```503```)
`TRAEFIK_PROVIDERS_CONSUL`:
Enable Consul backend with default settings. (Default: ```false```)
`TRAEFIK_PROVIDERS_CONSULCATALOG`:
Enable ConsulCatalog backend with default settings. (Default: ```false```)
`TRAEFIK_PROVIDERS_CONSULCATALOG_CACHE`:
Use local agent caching for catalog reads. (Default: ```false```)
@ -438,6 +441,9 @@ Use the ip address from the bound port, rather than from the inner network. (Def
`TRAEFIK_PROVIDERS_DOCKER_WATCH`:
Watch Docker Swarm events. (Default: ```true```)
`TRAEFIK_PROVIDERS_ECS`:
Enable AWS ECS backend with default settings. (Default: ```false```)
`TRAEFIK_PROVIDERS_ECS_ACCESSKEYID`:
The AWS credentials access key to use for making requests

2
go.mod
View File

@ -72,7 +72,7 @@ require (
github.com/stvp/go-udp-testing v0.0.0-20191102171040-06b61409b154
github.com/tinylib/msgp v1.0.2 // indirect
github.com/traefik/paerser v0.1.0
github.com/traefik/yaegi v0.9.5
github.com/traefik/yaegi v0.9.7
github.com/uber/jaeger-client-go v2.25.0+incompatible
github.com/uber/jaeger-lib v2.2.0+incompatible
github.com/unrolled/render v1.0.2

4
go.sum
View File

@ -788,8 +788,8 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc
github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
github.com/traefik/paerser v0.1.0 h1:B4v1tbvd8YnHsA7spwHKEWJoGrRP+2jYpIozsCMHhl0=
github.com/traefik/paerser v0.1.0/go.mod h1:yYnAgdEC2wJH5CgG75qGWC8SsFDEapg09o9RrA6FfrE=
github.com/traefik/yaegi v0.9.5 h1:mRJtmV6t/wecIq6Gfs0DpdSC2AjFpPRjoiBXP03OIz0=
github.com/traefik/yaegi v0.9.5/go.mod h1:FAYnRlZyuVlEkvnkHq3bvJ1lW5be6XuwgLdkYgYG6Lk=
github.com/traefik/yaegi v0.9.7 h1:CbeKjEhy3DoSC8xC4TQF2Mhmd7u3Cjqluz1//x6Vtcs=
github.com/traefik/yaegi v0.9.7/go.mod h1:FAYnRlZyuVlEkvnkHq3bvJ1lW5be6XuwgLdkYgYG6Lk=
github.com/transip/gotransip/v6 v6.2.0 h1:0Z+qVsyeiQdWfcAUeJyF0IEKAPvhJwwpwPi2WGtBIiE=
github.com/transip/gotransip/v6 v6.2.0/go.mod h1:pQZ36hWWRahCUXkFWlx9Hs711gLd8J4qdgLdRzmtY+g=
github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=

2
integration/fixtures/k8s/03-ingress.yml
View File

@ -3,6 +3,8 @@ kind: Ingress
metadata:
name: test.ingress
namespace: default
labels:
app: traefik
spec:
rules:

2
integration/fixtures/k8s/03-ingressroute.yml
View File

@ -3,6 +3,8 @@ kind: IngressRoute
metadata:
name: test.route
namespace: default
labels:
app: traefik
spec:
entryPoints:

2
integration/fixtures/k8s/03-tlsoption.yml
View File

@ -3,6 +3,8 @@ kind: TLSOption
metadata:
name: mytlsoption
namespace: default
labels:
app: traefik
spec:
minVersion: VersionTLS12

2
integration/fixtures/k8s/03-tlsstore.yml
View File

@ -3,6 +3,8 @@ kind: TLSStore
metadata:
name: mytlsstore
namespace: default
labels:
app: traefik
spec:
defaultCertificate:

2
integration/fixtures/k8s/06-ingressroute-traefikservices.yml
View File

@ -50,6 +50,8 @@ kind: IngressRoute
metadata:
name: api.route
namespace: default
labels:
app: traefik
spec:
entryPoints:

19
integration/fixtures/k8s_crd_label_selector.toml Normal file
View File

@ -0,0 +1,19 @@
[global]
checkNewVersion = false
sendAnonymousUsage = false
[log]
level = "DEBUG"
[api]
[entryPoints]
[entryPoints.footcp]
address = ":8093"
[entryPoints.fooudp]
address = ":8090/udp"
[entryPoints.web]
address = ":8000"
[providers.kubernetesCRD]
labelSelector = "app=traefik"

16
integration/fixtures/k8s_ingress_label_selector.toml Normal file
View File

@ -0,0 +1,16 @@
[global]
checkNewVersion = false
sendAnonymousUsage = false
[log]
level = "DEBUG"
[api]
insecure = true
[entryPoints]
[entryPoints.web]
address = ":8000"
[providers.kubernetesIngress]
labelSelector = "app=traefik"

22
integration/k8s_test.go
View File

@ -74,6 +74,17 @@ func (s *K8sSuite) TestIngressConfiguration(c *check.C) {
testConfiguration(c, "testdata/rawdata-ingress.json", "8080")
}
func (s *K8sSuite) TestIngressLabelSelector(c *check.C) {
cmd, display := s.traefikCmd(withConfigFile("fixtures/k8s_ingress_label_selector.toml"))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
testConfiguration(c, "testdata/rawdata-ingress-label-selector.json", "8080")
}
func (s *K8sSuite) TestCRDConfiguration(c *check.C) {
cmd, display := s.traefikCmd(withConfigFile("fixtures/k8s_crd.toml"))
defer display(c)
@ -85,6 +96,17 @@ func (s *K8sSuite) TestCRDConfiguration(c *check.C) {
testConfiguration(c, "testdata/rawdata-crd.json", "8000")
}
func (s *K8sSuite) TestCRDLabelSelector(c *check.C) {
cmd, display := s.traefikCmd(withConfigFile("fixtures/k8s_crd_label_selector.toml"))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
testConfiguration(c, "testdata/rawdata-crd-label-selector.json", "8000")
}
func testConfiguration(c *check.C, path, apiPort string) {
err := try.GetRequest("http://127.0.0.1:"+apiPort+"/api/entrypoints", 20*time.Second, try.BodyContains(`"name":"web"`))
c.Assert(err, checker.IsNil)

65
integration/testdata/rawdata-crd-label-selector.json vendored Normal file
View File

@ -0,0 +1,65 @@
{
"routers": {
"default-api-route-29f28a463fb5d5ba16d2@kubernetescrd": {
"entryPoints": [
"web"
],
"service": "api@internal",
"rule": "PathPrefix(`/api`)",
"status": "enabled",
"using": [
"web"
]
},
"default-test-route-6b204d94623b3df4370c@kubernetescrd": {
"entryPoints": [
"web"
],
"service": "default-test-route-6b204d94623b3df4370c",
"rule": "Host(`foo.com`) \u0026\u0026 PathPrefix(`/bar`)",
"priority": 12,
"tls": {
"options": "default-mytlsoption"
},
"status": "enabled",
"using": [
"web"
]
}
},
"services": {
"api@internal": {
"status": "enabled",
"usedBy": [
"default-api-route-29f28a463fb5d5ba16d2@kubernetescrd"
]
},
"dashboard@internal": {
"status": "enabled"
},
"default-test-route-6b204d94623b3df4370c@kubernetescrd": {
"loadBalancer": {
"servers": [
{
"url": "http://10.42.0.3:80"
},
{
"url": "http://10.42.0.4:80"
}
],
"passHostHeader": true
},
"status": "enabled",
"usedBy": [
"default-test-route-6b204d94623b3df4370c@kubernetescrd"
],
"serverStatus": {
"http://10.42.0.3:80": "UP",
"http://10.42.0.4:80": "UP"
}
},
"noop@internal": {
"status": "enabled"
}
}
}

106
integration/testdata/rawdata-ingress-label-selector.json vendored Normal file
View File

@ -0,0 +1,106 @@
{
"routers": {
"api@internal": {
"entryPoints": [
"traefik"
],
"service": "api@internal",
"rule": "PathPrefix(`/api`)",
"priority": 2147483646,
"status": "enabled",
"using": [
"traefik"
]
},
"dashboard@internal": {
"entryPoints": [
"traefik"
],
"middlewares": [
"dashboard_redirect@internal",
"dashboard_stripprefix@internal"
],
"service": "dashboard@internal",
"rule": "PathPrefix(`/`)",
"priority": 2147483645,
"status": "enabled",
"using": [
"traefik"
]
},
"test-ingress-default-whoami-test-whoami@kubernetes": {
"entryPoints": [
"web"
],
"service": "default-whoami-http",
"rule": "Host(`whoami.test`) \u0026\u0026 PathPrefix(`/whoami`)",
"status": "enabled",
"using": [
"web"
]
}
},
"middlewares": {
"dashboard_redirect@internal": {
"redirectRegex": {
"regex": "^(http:\\/\\/(\\[[\\w:.]+\\]|[\\w\\._-]+)(:\\d+)?)\\/$",
"replacement": "${1}/dashboard/",
"permanent": true
},
"status": "enabled",
"usedBy": [
"dashboard@internal"
]
},
"dashboard_stripprefix@internal": {
"stripPrefix": {
"prefixes": [
"/dashboard/",
"/dashboard"
]
},
"status": "enabled",
"usedBy": [
"dashboard@internal"
]
}
},
"services": {
"api@internal": {
"status": "enabled",
"usedBy": [
"api@internal"
]
},
"dashboard@internal": {
"status": "enabled",
"usedBy": [
"dashboard@internal"
]
},
"default-whoami-http@kubernetes": {
"loadBalancer": {
"servers": [
{
"url": "http://10.42.0.2:80"
},
{
"url": "http://10.42.0.7:80"
}
],
"passHostHeader": true
},
"status": "enabled",
"usedBy": [
"test-ingress-default-whoami-test-whoami@kubernetes"
],
"serverStatus": {
"http://10.42.0.2:80": "UP",
"http://10.42.0.7:80": "UP"
}
},
"noop@internal": {
"status": "enabled"
}
}
}

4
pkg/config/static/static_config.go
View File

@ -176,8 +176,8 @@ type Providers struct {
KubernetesCRD *crd.Provider `description:"Enable Kubernetes backend with default settings." json:"kubernetesCRD,omitempty" toml:"kubernetesCRD,omitempty" yaml:"kubernetesCRD,omitempty" export:"true" label:"allowEmpty" file:"allowEmpty"`
Rest *rest.Provider `description:"Enable Rest backend with default settings." json:"rest,omitempty" toml:"rest,omitempty" yaml:"rest,omitempty" export:"true" label:"allowEmpty" file:"allowEmpty"`
Rancher *rancher.Provider `description:"Enable Rancher backend with default settings." json:"rancher,omitempty" toml:"rancher,omitempty" yaml:"rancher,omitempty" export:"true" label:"allowEmpty" file:"allowEmpty"`
ConsulCatalog *consulcatalog.Provider `description:"Enable ConsulCatalog backend with default settings." json:"consulCatalog,omitempty" toml:"consulCatalog,omitempty" yaml:"consulCatalog,omitempty" export:"true"`
Ecs *ecs.Provider `description:"Enable AWS ECS backend with default settings." json:"ecs,omitempty" toml:"ecs,omitempty" yaml:"ecs,omitempty" export:"true"`
ConsulCatalog *consulcatalog.Provider `description:"Enable ConsulCatalog backend with default settings." json:"consulCatalog,omitempty" toml:"consulCatalog,omitempty" yaml:"consulCatalog,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
Ecs *ecs.Provider `description:"Enable AWS ECS backend with default settings." json:"ecs,omitempty" toml:"ecs,omitempty" yaml:"ecs,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
Consul *consul.Provider `description:"Enable Consul backend with default settings." json:"consul,omitempty" toml:"consul,omitempty" yaml:"consul,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
Etcd *etcd.Provider `description:"Enable Etcd backend with default settings." json:"etcd,omitempty" toml:"etcd,omitempty" yaml:"etcd,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`

66
pkg/provider/consulcatalog/consul_catalog.go
View File

@ -108,27 +108,28 @@ func (p *Provider) Provide(configurationChan chan<- dynamic.Message, pool *safe.
p.client, err = createClient(p.Endpoint)
if err != nil {
return fmt.Errorf("error create consul client, %w", err)
return fmt.Errorf("unable to create consul client: %w", err)
}
// get configuration at the provider's startup.
err = p.loadConfiguration(routineCtx, configurationChan)
if err != nil {
return fmt.Errorf("failed to get consul catalog data: %w", err)
}
// Periodic refreshes.
ticker := time.NewTicker(time.Duration(p.RefreshInterval))
defer ticker.Stop()
for {
select {
case <-ticker.C:
data, err := p.getConsulServicesData(routineCtx)
err = p.loadConfiguration(routineCtx, configurationChan)
if err != nil {
logger.Errorf("error get consul catalog data, %v", err)
return err
return fmt.Errorf("failed to refresh consul catalog data: %w", err)
}
configuration := p.buildConfiguration(routineCtx, data)
configurationChan <- dynamic.Message{
ProviderName: "consulcatalog",
Configuration: configuration,
}
case <-routineCtx.Done():
ticker.Stop()
return nil
}
}
@ -147,6 +148,20 @@ func (p *Provider) Provide(configurationChan chan<- dynamic.Message, pool *safe.
return nil
}
func (p *Provider) loadConfiguration(ctx context.Context, configurationChan chan<- dynamic.Message) error {
data, err := p.getConsulServicesData(ctx)
if err != nil {
return err
}
configurationChan <- dynamic.Message{
ProviderName: "consulcatalog",
Configuration: p.buildConfiguration(ctx, data),
}
return nil
}
func (p *Provider) getConsulServicesData(ctx context.Context) ([]itemData, error) {
consulServiceNames, err := p.fetchServices(ctx)
if err != nil {
@ -155,17 +170,22 @@ func (p *Provider) getConsulServicesData(ctx context.Context) ([]itemData, error
var data []itemData
for _, name := range consulServiceNames {
consulServices, healthServices, err := p.fetchService(ctx, name)
consulServices, statuses, err := p.fetchService(ctx, name)
if err != nil {
return nil, err
}
for i, consulService := range consulServices {
for _, consulService := range consulServices {
address := consulService.ServiceAddress
if address == "" {
address = consulService.Address
}
status, exists := statuses[consulService.ID+consulService.ServiceID]
if !exists {
status = api.HealthAny
}
item := itemData{
ID: consulService.ServiceID,
Node: consulService.Node,
@ -174,7 +194,7 @@ func (p *Provider) getConsulServicesData(ctx context.Context) ([]itemData, error
Port: strconv.Itoa(consulService.ServicePort),
Labels: tagsToNeutralLabels(consulService.ServiceTags, p.Prefix),
Tags: consulService.ServiceTags,
Status: healthServices[i].Checks.AggregatedStatus(),
Status: status,
}
extraConf, err := p.getConfiguration(item)
@ -190,13 +210,14 @@ func (p *Provider) getConsulServicesData(ctx context.Context) ([]itemData, error
return data, nil
}
func (p *Provider) fetchService(ctx context.Context, name string) ([]*api.CatalogService, []*api.ServiceEntry, error) {
func (p *Provider) fetchService(ctx context.Context, name string) ([]*api.CatalogService, map[string]string, error) {
var tagFilter string
if !p.ExposedByDefault {
tagFilter = p.Prefix + ".enable=true"
}
opts := &api.QueryOptions{AllowStale: p.Stale, RequireConsistent: p.RequireConsistent, UseCache: p.Cache}
opts = opts.WithContext(ctx)
consulServices, _, err := p.client.Catalog().Service(name, tagFilter, opts)
if err != nil {
@ -204,7 +225,22 @@ func (p *Provider) fetchService(ctx context.Context, name string) ([]*api.Catalo
}
healthServices, _, err := p.client.Health().Service(name, tagFilter, false, opts)
return consulServices, healthServices, err
if err != nil {
return nil, nil, err
}
// Index status by service and node so it can be retrieved from a CatalogService even if the health and services
// are not in sync.
statuses := make(map[string]string)
for _, health := range healthServices {
if health.Service == nil || health.Node == nil {
continue
}
statuses[health.Node.ID+health.Service.ID] = health.Checks.AggregatedStatus()
}
return consulServices, statuses, err
}
func (p *Provider) fetchServices(ctx context.Context) ([]string, error) {

7
pkg/provider/ecs/config.go
View File

@ -307,6 +307,13 @@ func (p Provider) getIPAddress(instance ecsInstance) string {
func getPort(instance ecsInstance, serverPort string) string {
if len(serverPort) > 0 {
for _, port := range instance.machine.ports {
containerPort := strconv.FormatInt(port.containerPort, 10)
if serverPort == containerPort {
return strconv.FormatInt(port.hostPort, 10)
}
}
return serverPort
}

135
pkg/provider/ecs/config_test.go
View File

@ -1721,13 +1721,13 @@ func Test_buildConfiguration(t *testing.T) {
name("Test"),
labels(map[string]string{
"traefik.http.services.Service1.LoadBalancer.server.scheme": "h2c",
"traefik.http.services.Service1.LoadBalancer.server.port": "8080",
"traefik.http.services.Service1.LoadBalancer.server.port": "80",
}),
iMachine(
mState(ec2.InstanceStateNameRunning),
mPrivateIP("127.0.0.1"),
mPorts(
mPort(0, 80, "tcp"),
mPort(80, 8080, "tcp"),
),
),
),
@ -1764,6 +1764,125 @@ func Test_buildConfiguration(t *testing.T) {
},
},
},
{
desc: "one container with label port not exposed by container",
containers: []ecsInstance{
instance(
name("Test"),
labels(map[string]string{
"traefik.http.services.Service1.LoadBalancer.server.scheme": "h2c",
"traefik.http.services.Service1.LoadBalancer.server.port": "8040",
}),
iMachine(
mState(ec2.InstanceStateNameRunning),
mPrivateIP("127.0.0.1"),
mPorts(
mPort(80, 8080, "tcp"),
),
),
),
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{},
Services: map[string]*dynamic.TCPService{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{},
Services: map[string]*dynamic.UDPService{},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{
"Test": {
Service: "Service1",
Rule: "Host(`Test.traefik.wtf`)",
},
},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{
"Service1": {
LoadBalancer: &dynamic.ServersLoadBalancer{
Servers: []dynamic.Server{
{
URL: "h2c://127.0.0.1:8040",
},
},
PassHostHeader: Bool(true),
},
},
},
},
},
},
{
desc: "one container with label and multiple ports",
containers: []ecsInstance{
instance(
name("Test"),
labels(map[string]string{
"traefik.http.routers.Test.rule": "Host(`Test.traefik.wtf`)",
"traefik.http.routers.Test.service": "Service1",
"traefik.http.services.Service1.LoadBalancer.server.port": "4445",
"traefik.http.routers.Test2.rule": "Host(`Test.traefik.local`)",
"traefik.http.routers.Test2.service": "Service2",
"traefik.http.services.Service2.LoadBalancer.server.port": "4444",
}),
iMachine(
mState(ec2.InstanceStateNameRunning),
mPrivateIP("127.0.0.1"),
mPorts(
mPort(4444, 32123, "tcp"),
mPort(4445, 32124, "tcp"),
),
),
),
},
expected: &dynamic.Configuration{
TCP: &dynamic.TCPConfiguration{
Routers: map[string]*dynamic.TCPRouter{},
Services: map[string]*dynamic.TCPService{},
},
UDP: &dynamic.UDPConfiguration{
Routers: map[string]*dynamic.UDPRouter{},
Services: map[string]*dynamic.UDPService{},
},
HTTP: &dynamic.HTTPConfiguration{
Routers: map[string]*dynamic.Router{
"Test": {
Service: "Service1",
Rule: "Host(`Test.traefik.wtf`)",
},
"Test2": {
Service: "Service2",
Rule: "Host(`Test.traefik.local`)",
},
},
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{
"Service1": {
LoadBalancer: &dynamic.ServersLoadBalancer{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.1:32124",
},
},
PassHostHeader: Bool(true),
},
},
"Service2": {
LoadBalancer: &dynamic.ServersLoadBalancer{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.1:32123",
},
},
PassHostHeader: Bool(true),
},
},
},
},
},
},
{
desc: "one container with label port on two services",
containers: []ecsInstance{
@ -2274,13 +2393,13 @@ func Test_buildConfiguration(t *testing.T) {
labels(map[string]string{
"traefik.tcp.routers.foo.rule": "HostSNI(`foo.bar`)",
"traefik.tcp.routers.foo.tls.options": "foo",
"traefik.tcp.services.foo.loadbalancer.server.port": "8080",
"traefik.tcp.services.foo.loadbalancer.server.port": "80",
}),
iMachine(
mState(ec2.InstanceStateNameRunning),
mPrivateIP("127.0.0.1"),
mPorts(
mPort(0, 80, "tcp"),
mPort(80, 8080, "tcp"),
),
),
),
@ -2327,13 +2446,13 @@ func Test_buildConfiguration(t *testing.T) {
name("Test"),
labels(map[string]string{
"traefik.udp.routers.foo.entrypoints": "mydns",
"traefik.udp.services.foo.loadbalancer.server.port": "8080",
"traefik.udp.services.foo.loadbalancer.server.port": "80",
}),
iMachine(
mState(ec2.InstanceStateNameRunning),
mPrivateIP("127.0.0.1"),
mPorts(
mPort(0, 80, "udp"),
mPort(80, 8080, "udp"),
),
),
),
@ -2506,14 +2625,14 @@ func Test_buildConfiguration(t *testing.T) {
instance(
name("Test"),
labels(map[string]string{
"traefik.tcp.services.foo.loadbalancer.server.port": "8080",
"traefik.tcp.services.foo.loadbalancer.server.port": "80",
"traefik.tcp.services.foo.loadbalancer.terminationdelay": "200",
}),
iMachine(
mState(ec2.InstanceStateNameRunning),
mPrivateIP("127.0.0.1"),
mPorts(
mPort(0, 80, "tcp"),
mPort(80, 8080, "tcp"),
),
),
),

49
pkg/provider/ecs/ecs.go
View File

@ -151,35 +151,25 @@ func (p Provider) Provide(configurationChan chan<- dynamic.Message, pool *safe.P
operation := func() error {
awsClient, err := p.createClient(logger)
if err != nil {
return err
return fmt.Errorf("unable to create AWS client: %w", err)
}
configuration, err := p.loadECSConfig(ctxLog, awsClient)
err = p.loadConfiguration(ctxLog, awsClient, configurationChan)
if err != nil {
return err
return fmt.Errorf("failed to get ECS configuration: %w", err)
}
configurationChan <- dynamic.Message{
ProviderName: "ecs",
Configuration: configuration,
}
reload := time.NewTicker(time.Second * time.Duration(p.RefreshSeconds))
defer reload.Stop()
ticker := time.NewTicker(time.Second * time.Duration(p.RefreshSeconds))
defer ticker.Stop()
for {
select {
case <-reload.C:
configuration, err := p.loadECSConfig(ctxLog, awsClient)
case <-ticker.C:
err = p.loadConfiguration(ctxLog, awsClient, configurationChan)
if err != nil {
logger.Errorf("Failed to load ECS configuration, error %s", err)
return err
return fmt.Errorf("failed to refresh ECS configuration: %w", err)
}
configurationChan <- dynamic.Message{
ProviderName: "ecs",
Configuration: configuration,
}
case <-routineCtx.Done():
return nil
}
@ -198,6 +188,20 @@ func (p Provider) Provide(configurationChan chan<- dynamic.Message, pool *safe.P
return nil
}
func (p *Provider) loadConfiguration(ctx context.Context, client *awsClient, configurationChan chan<- dynamic.Message) error {
instances, err := p.listInstances(ctx, client)
if err != nil {
return err
}
configurationChan <- dynamic.Message{
ProviderName: "ecs",
Configuration: p.buildConfiguration(ctx, instances),
}
return nil
}
// Find all running Provider tasks in a cluster, also collect the task definitions (for docker labels)
// and the EC2 instance data.
func (p *Provider) listInstances(ctx context.Context, client *awsClient) ([]ecsInstance, error) {
@ -365,15 +369,6 @@ func (p *Provider) listInstances(ctx context.Context, client *awsClient) ([]ecsI
return instances, nil
}
func (p *Provider) loadECSConfig(ctx context.Context, client *awsClient) (*dynamic.Configuration, error) {
instances, err := p.listInstances(ctx, client)
if err != nil {
return nil, err
}
return p.buildConfiguration(ctx, instances), nil
}
func (p *Provider) lookupEc2Instances(ctx context.Context, client *awsClient, clusterName *string, ecsDatas map[string]*ecs.Task) (map[string]*ec2.Instance, error) {
logger := log.FromContext(ctx)
instanceIds := make(map[string]string)

92
pkg/provider/kubernetes/crd/client.go
View File

@ -21,7 +21,6 @@ import (
"k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/tools/clientcmd"
)
@ -66,13 +65,14 @@ type Client interface {
// TODO: add tests for the clientWrapper (and its methods) itself.
type clientWrapper struct {
csCrd *versioned.Clientset
csKube *kubernetes.Clientset
csCrd versioned.Interface
csKube kubernetes.Interface
factoriesCrd map[string]externalversions.SharedInformerFactory
factoriesKube map[string]informers.SharedInformerFactory
factoriesCrd map[string]externalversions.SharedInformerFactory
factoriesKube map[string]informers.SharedInformerFactory
factoriesSecret map[string]informers.SharedInformerFactory
labelSelector labels.Selector
labelSelector string
isNamespaceAll bool
watchedNamespaces []string
@ -100,12 +100,13 @@ func createClientFromConfig(c *rest.Config) (*clientWrapper, error) {
return newClientImpl(csKube, csCrd), nil
}
func newClientImpl(csKube *kubernetes.Clientset, csCrd *versioned.Clientset) *clientWrapper {
func newClientImpl(csKube kubernetes.Interface, csCrd versioned.Interface) *clientWrapper {
return &clientWrapper{
csCrd: csCrd,
csKube: csKube,
factoriesCrd: make(map[string]externalversions.SharedInformerFactory),
factoriesKube: make(map[string]informers.SharedInformerFactory),
csCrd: csCrd,
csKube: csKube,
factoriesCrd: make(map[string]externalversions.SharedInformerFactory),
factoriesKube: make(map[string]informers.SharedInformerFactory),
factoriesSecret: make(map[string]informers.SharedInformerFactory),
}
}
@ -160,16 +161,25 @@ func newExternalClusterClient(endpoint, token, caFilePath string) (*clientWrappe
// WatchAll starts namespace-specific controllers for all relevant kinds.
func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<-chan interface{}, error) {
eventCh := make(chan interface{}, 1)
eventHandler := c.newResourceEventHandler(eventCh)
eventHandler := &resourceEventHandler{ev: eventCh}
if len(namespaces) == 0 {
namespaces = []string{metav1.NamespaceAll}
c.isNamespaceAll = true
}
c.watchedNamespaces = namespaces
notOwnedByHelm := func(opts *metav1.ListOptions) {
opts.LabelSelector = "owner!=helm"
}
matchesLabelSelector := func(opts *metav1.ListOptions) {
opts.LabelSelector = c.labelSelector
}
for _, ns := range namespaces {
factoryCrd := externalversions.NewSharedInformerFactoryWithOptions(c.csCrd, resyncPeriod, externalversions.WithNamespace(ns))
factoryCrd := externalversions.NewSharedInformerFactoryWithOptions(c.csCrd, resyncPeriod, externalversions.WithNamespace(ns), externalversions.WithTweakListOptions(matchesLabelSelector))
factoryCrd.Traefik().V1alpha1().IngressRoutes().Informer().AddEventHandler(eventHandler)
factoryCrd.Traefik().V1alpha1().Middlewares().Informer().AddEventHandler(eventHandler)
factoryCrd.Traefik().V1alpha1().IngressRouteTCPs().Informer().AddEventHandler(eventHandler)
@ -180,18 +190,21 @@ func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<
factoryCrd.Traefik().V1alpha1().TraefikServices().Informer().AddEventHandler(eventHandler)
factoryKube := informers.NewSharedInformerFactoryWithOptions(c.csKube, resyncPeriod, informers.WithNamespace(ns))
factoryKube.Extensions().V1beta1().Ingresses().Informer().AddEventHandler(eventHandler)
factoryKube.Core().V1().Services().Informer().AddEventHandler(eventHandler)
factoryKube.Core().V1().Endpoints().Informer().AddEventHandler(eventHandler)
factoryKube.Core().V1().Secrets().Informer().AddEventHandler(eventHandler)
factorySecret := informers.NewSharedInformerFactoryWithOptions(c.csKube, resyncPeriod, informers.WithNamespace(ns), informers.WithTweakListOptions(notOwnedByHelm))
factorySecret.Core().V1().Secrets().Informer().AddEventHandler(eventHandler)
c.factoriesCrd[ns] = factoryCrd
c.factoriesKube[ns] = factoryKube
c.factoriesSecret[ns] = factorySecret
}
for _, ns := range namespaces {
c.factoriesCrd[ns].Start(stopCh)
c.factoriesKube[ns].Start(stopCh)
c.factoriesSecret[ns].Start(stopCh)
}
for _, ns := range namespaces {
@ -206,6 +219,12 @@ func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", t.String(), ns)
}
}
for t, ok := range c.factoriesSecret[ns].WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", t.String(), ns)
}
}
}
return eventCh, nil
@ -215,7 +234,7 @@ func (c *clientWrapper) GetIngressRoutes() []*v1alpha1.IngressRoute {
var result []*v1alpha1.IngressRoute
for ns, factory := range c.factoriesCrd {
ings, err := factory.Traefik().V1alpha1().IngressRoutes().Lister().List(c.labelSelector)
ings, err := factory.Traefik().V1alpha1().IngressRoutes().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list ingress routes in namespace %s: %v", ns, err)
}
@ -229,7 +248,7 @@ func (c *clientWrapper) GetIngressRouteTCPs() []*v1alpha1.IngressRouteTCP {
var result []*v1alpha1.IngressRouteTCP
for ns, factory := range c.factoriesCrd {
ings, err := factory.Traefik().V1alpha1().IngressRouteTCPs().Lister().List(c.labelSelector)
ings, err := factory.Traefik().V1alpha1().IngressRouteTCPs().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list tcp ingress routes in namespace %s: %v", ns, err)
}
@ -243,7 +262,7 @@ func (c *clientWrapper) GetIngressRouteUDPs() []*v1alpha1.IngressRouteUDP {
var result []*v1alpha1.IngressRouteUDP
for ns, factory := range c.factoriesCrd {
ings, err := factory.Traefik().V1alpha1().IngressRouteUDPs().Lister().List(c.labelSelector)
ings, err := factory.Traefik().V1alpha1().IngressRouteUDPs().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list udp ingress routes in namespace %s: %v", ns, err)
}
@ -257,7 +276,7 @@ func (c *clientWrapper) GetMiddlewares() []*v1alpha1.Middleware {
var result []*v1alpha1.Middleware
for ns, factory := range c.factoriesCrd {
middlewares, err := factory.Traefik().V1alpha1().Middlewares().Lister().List(c.labelSelector)
middlewares, err := factory.Traefik().V1alpha1().Middlewares().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list middlewares in namespace %s: %v", ns, err)
}
@ -283,7 +302,7 @@ func (c *clientWrapper) GetTraefikServices() []*v1alpha1.TraefikService {
var result []*v1alpha1.TraefikService
for ns, factory := range c.factoriesCrd {
ings, err := factory.Traefik().V1alpha1().TraefikServices().Lister().List(c.labelSelector)
ings, err := factory.Traefik().V1alpha1().TraefikServices().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list Traefik services in namespace %s: %v", ns, err)
}
@ -298,7 +317,7 @@ func (c *clientWrapper) GetServersTransports() []*v1alpha1.ServersTransport {
var result []*v1alpha1.ServersTransport
for ns, factory := range c.factoriesCrd {
serversTransports, err := factory.Traefik().V1alpha1().ServersTransports().Lister().List(c.labelSelector)
serversTransports, err := factory.Traefik().V1alpha1().ServersTransports().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list servers transport in namespace %s: %v", ns, err)
}
@ -313,7 +332,7 @@ func (c *clientWrapper) GetTLSOptions() []*v1alpha1.TLSOption {
var result []*v1alpha1.TLSOption
for ns, factory := range c.factoriesCrd {
options, err := factory.Traefik().V1alpha1().TLSOptions().Lister().List(c.labelSelector)
options, err := factory.Traefik().V1alpha1().TLSOptions().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list tls options in namespace %s: %v", ns, err)
}
@ -328,7 +347,7 @@ func (c *clientWrapper) GetTLSStores() []*v1alpha1.TLSStore {
var result []*v1alpha1.TLSStore
for ns, factory := range c.factoriesCrd {
stores, err := factory.Traefik().V1alpha1().TLSStores().Lister().List(c.labelSelector)
stores, err := factory.Traefik().V1alpha1().TLSStores().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list tls stores in namespace %s: %v", ns, err)
}
@ -366,7 +385,7 @@ func (c *clientWrapper) GetSecret(namespace, name string) (*corev1.Secret, bool,
return nil, false, fmt.Errorf("failed to get secret %s/%s: namespace is not within watched namespaces", namespace, name)
}
secret, err := c.factoriesKube[c.lookupNamespace(namespace)].Core().V1().Secrets().Lister().Secrets(namespace).Get(name)
secret, err := c.factoriesSecret[c.lookupNamespace(namespace)].Core().V1().Secrets().Lister().Secrets(namespace).Get(name)
exist, err := translateNotFoundError(err)
return secret, exist, err
}
@ -384,31 +403,6 @@ func (c *clientWrapper) lookupNamespace(ns string) string {
return ns
}
func (c *clientWrapper) newResourceEventHandler(events chan<- interface{}) cache.ResourceEventHandler {
return &cache.FilteringResourceEventHandler{
FilterFunc: func(obj interface{}) bool {
// Ignore Ingresses that do not match our custom label selector.
switch v := obj.(type) {
case *v1alpha1.IngressRoute:
return c.labelSelector.Matches(labels.Set(v.GetLabels()))
case *v1alpha1.IngressRouteTCP:
return c.labelSelector.Matches(labels.Set(v.GetLabels()))
case *v1alpha1.TraefikService:
return c.labelSelector.Matches(labels.Set(v.GetLabels()))
case *v1alpha1.TLSOption:
return c.labelSelector.Matches(labels.Set(v.GetLabels()))
case *v1alpha1.TLSStore:
return c.labelSelector.Matches(labels.Set(v.GetLabels()))
case *v1alpha1.Middleware:
return c.labelSelector.Matches(labels.Set(v.GetLabels()))
default:
return true
}
},
Handler: &resourceEventHandler{ev: events},
}
}
// eventHandlerFunc will pass the obj on to the events channel or drop it.
// This is so passing the events along won't block in the case of high volume.
// The events are only used for signaling anyway so dropping a few is ok.

65
pkg/provider/kubernetes/crd/client_test.go Normal file
View File

@ -0,0 +1,65 @@
package crd
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
crdfake "github.com/traefik/traefik/v2/pkg/provider/kubernetes/crd/generated/clientset/versioned/fake"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
kubefake "k8s.io/client-go/kubernetes/fake"
)
func TestClientIgnoresHelmOwnedSecrets(t *testing.T) {
secret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "secret",
},
}
helmSecret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "helm-secret",
Labels: map[string]string{
"owner": "helm",
},
},
}
kubeClient := kubefake.NewSimpleClientset(helmSecret, secret)
crdClient := crdfake.NewSimpleClientset()
client := newClientImpl(kubeClient, crdClient)
stopCh := make(chan struct{})
eventCh, err := client.WatchAll(nil, stopCh)
require.NoError(t, err)
select {
case event := <-eventCh:
secret, ok := event.(*corev1.Secret)
require.True(t, ok)
assert.NotEqual(t, "helm-secret", secret.Name)
case <-time.After(50 * time.Millisecond):
assert.Fail(t, "expected to receive event for secret")
}
select {
case <-eventCh:
assert.Fail(t, "received more than one event")
case <-time.After(50 * time.Millisecond):
}
_, found, err := client.GetSecret("default", "secret")
require.NoError(t, err)
assert.True(t, found)
_, found, err = client.GetSecret("default", "helm-secret")
require.NoError(t, err)
assert.False(t, found)
}

18
pkg/provider/kubernetes/crd/kubernetes.go
View File

@ -49,12 +49,12 @@ type Provider struct {
lastConfiguration safe.Safe
}
func (p *Provider) newK8sClient(ctx context.Context, labelSelector string) (*clientWrapper, error) {
labelSel, err := labels.Parse(labelSelector)
func (p *Provider) newK8sClient(ctx context.Context) (*clientWrapper, error) {
_, err := labels.Parse(p.LabelSelector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %q", labelSelector)
return nil, fmt.Errorf("invalid label selector: %q", p.LabelSelector)
}
log.FromContext(ctx).Infof("label selector is: %q", labelSel)
log.FromContext(ctx).Infof("label selector is: %q", p.LabelSelector)
withEndpoint := ""
if p.Endpoint != "" {
@ -74,11 +74,12 @@ func (p *Provider) newK8sClient(ctx context.Context, labelSelector string) (*cli
client, err = newExternalClusterClient(p.Endpoint, p.Token, p.CertAuthFilePath)
}
if err == nil {
client.labelSelector = labelSel
if err != nil {
return nil, err
}
return client, err
client.labelSelector = p.LabelSelector
return client, nil
}
// Init the provider.
@ -92,8 +93,7 @@ func (p *Provider) Provide(configurationChan chan<- dynamic.Message, pool *safe.
ctxLog := log.With(context.Background(), log.Str(log.ProviderName, providerName))
logger := log.FromContext(ctxLog)
logger.Debugf("Using label selector: %q", p.LabelSelector)
k8sClient, err := p.newK8sClient(ctxLog, p.LabelSelector)
k8sClient, err := p.newK8sClient(ctxLog)
if err != nil {
return err
}

100
pkg/provider/kubernetes/ingress/client.go
View File

@ -22,7 +22,6 @@ import (
"k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/tools/clientcmd"
)
@ -66,10 +65,12 @@ type Client interface {
}
type clientWrapper struct {
clientset *kubernetes.Clientset
factories map[string]informers.SharedInformerFactory
clientset kubernetes.Interface
factoriesKube map[string]informers.SharedInformerFactory
factoriesSecret map[string]informers.SharedInformerFactory
factoriesIngress map[string]informers.SharedInformerFactory
clusterFactory informers.SharedInformerFactory
ingressLabelSelector labels.Selector
ingressLabelSelector string
isNamespaceAll bool
watchedNamespaces []string
}
@ -138,17 +139,19 @@ func createClientFromConfig(c *rest.Config) (*clientWrapper, error) {
return newClientImpl(clientset), nil
}
func newClientImpl(clientset *kubernetes.Clientset) *clientWrapper {
func newClientImpl(clientset kubernetes.Interface) *clientWrapper {
return &clientWrapper{
clientset: clientset,
factories: make(map[string]informers.SharedInformerFactory),
clientset: clientset,
factoriesSecret: make(map[string]informers.SharedInformerFactory),
factoriesIngress: make(map[string]informers.SharedInformerFactory),
factoriesKube: make(map[string]informers.SharedInformerFactory),
}
}
// WatchAll starts namespace-specific controllers for all relevant kinds.
func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<-chan interface{}, error) {
eventCh := make(chan interface{}, 1)
eventHandler := c.newResourceEventHandler(eventCh)
eventHandler := &resourceEventHandler{eventCh}
if len(namespaces) == 0 {
namespaces = []string{metav1.NamespaceAll}
@ -157,21 +160,49 @@ func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<
c.watchedNamespaces = namespaces
for _, ns := range namespaces {
factory := informers.NewSharedInformerFactoryWithOptions(c.clientset, resyncPeriod, informers.WithNamespace(ns))
factory.Extensions().V1beta1().Ingresses().Informer().AddEventHandler(eventHandler)
factory.Core().V1().Services().Informer().AddEventHandler(eventHandler)
factory.Core().V1().Endpoints().Informer().AddEventHandler(eventHandler)
factory.Core().V1().Secrets().Informer().AddEventHandler(eventHandler)
c.factories[ns] = factory
notOwnedByHelm := func(opts *metav1.ListOptions) {
opts.LabelSelector = "owner!=helm"
}
matchesLabelSelector := func(opts *metav1.ListOptions) {
opts.LabelSelector = c.ingressLabelSelector
}
for _, ns := range namespaces {
c.factories[ns].Start(stopCh)
factoryIngress := informers.NewSharedInformerFactoryWithOptions(c.clientset, resyncPeriod, informers.WithNamespace(ns), informers.WithTweakListOptions(matchesLabelSelector))
factoryIngress.Extensions().V1beta1().Ingresses().Informer().AddEventHandler(eventHandler)
c.factoriesIngress[ns] = factoryIngress
factoryKube := informers.NewSharedInformerFactoryWithOptions(c.clientset, resyncPeriod, informers.WithNamespace(ns))
factoryKube.Core().V1().Services().Informer().AddEventHandler(eventHandler)
factoryKube.Core().V1().Endpoints().Informer().AddEventHandler(eventHandler)
c.factoriesKube[ns] = factoryKube
factorySecret := informers.NewSharedInformerFactoryWithOptions(c.clientset, resyncPeriod, informers.WithNamespace(ns), informers.WithTweakListOptions(notOwnedByHelm))
factorySecret.Core().V1().Secrets().Informer().AddEventHandler(eventHandler)
c.factoriesSecret[ns] = factorySecret
}
for _, ns := range namespaces {
for typ, ok := range c.factories[ns].WaitForCacheSync(stopCh) {
c.factoriesIngress[ns].Start(stopCh)
c.factoriesKube[ns].Start(stopCh)
c.factoriesSecret[ns].Start(stopCh)
}
for _, ns := range namespaces {
for typ, ok := range c.factoriesIngress[ns].WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", typ, ns)
}
}
for typ, ok := range c.factoriesKube[ns].WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", typ, ns)
}
}
for typ, ok := range c.factoriesSecret[ns].WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", typ, ns)
}
@ -203,9 +234,9 @@ func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<
func (c *clientWrapper) GetIngresses() []*networkingv1beta1.Ingress {
var results []*networkingv1beta1.Ingress
for ns, factory := range c.factories {
for ns, factory := range c.factoriesIngress {
// extensions
ings, err := factory.Extensions().V1beta1().Ingresses().Lister().List(c.ingressLabelSelector)
ings, err := factory.Extensions().V1beta1().Ingresses().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list ingresses in namespace %s: %v", ns, err)
}
@ -220,7 +251,7 @@ func (c *clientWrapper) GetIngresses() []*networkingv1beta1.Ingress {
}
// networking
list, err := factory.Networking().V1beta1().Ingresses().Lister().List(c.ingressLabelSelector)
list, err := factory.Networking().V1beta1().Ingresses().Lister().List(labels.Everything())
if err != nil {
log.Errorf("Failed to list ingresses in namespace %s: %v", ns, err)
}
@ -254,7 +285,7 @@ func (c *clientWrapper) UpdateIngressStatus(src *networkingv1beta1.Ingress, ingS
return c.updateIngressStatusOld(src, ingStatus)
}
ing, err := c.factories[c.lookupNamespace(src.Namespace)].Networking().V1beta1().Ingresses().Lister().Ingresses(src.Namespace).Get(src.Name)
ing, err := c.factoriesIngress[c.lookupNamespace(src.Namespace)].Networking().V1beta1().Ingresses().Lister().Ingresses(src.Namespace).Get(src.Name)
if err != nil {
return fmt.Errorf("failed to get ingress %s/%s: %w", src.Namespace, src.Name, err)
}
@ -282,7 +313,7 @@ func (c *clientWrapper) UpdateIngressStatus(src *networkingv1beta1.Ingress, ingS
}
func (c *clientWrapper) updateIngressStatusOld(src *networkingv1beta1.Ingress, ingStatus []corev1.LoadBalancerIngress) error {
ing, err := c.factories[c.lookupNamespace(src.Namespace)].Extensions().V1beta1().Ingresses().Lister().Ingresses(src.Namespace).Get(src.Name)
ing, err := c.factoriesIngress[c.lookupNamespace(src.Namespace)].Extensions().V1beta1().Ingresses().Lister().Ingresses(src.Namespace).Get(src.Name)
if err != nil {
return fmt.Errorf("failed to get ingress %s/%s: %w", src.Namespace, src.Name, err)
}
@ -335,7 +366,7 @@ func (c *clientWrapper) GetService(namespace, name string) (*corev1.Service, boo
return nil, false, fmt.Errorf("failed to get service %s/%s: namespace is not within watched namespaces", namespace, name)
}
service, err := c.factories[c.lookupNamespace(namespace)].Core().V1().Services().Lister().Services(namespace).Get(name)
service, err := c.factoriesKube[c.lookupNamespace(namespace)].Core().V1().Services().Lister().Services(namespace).Get(name)
exist, err := translateNotFoundError(err)
return service, exist, err
}
@ -346,7 +377,7 @@ func (c *clientWrapper) GetEndpoints(namespace, name string) (*corev1.Endpoints,
return nil, false, fmt.Errorf("failed to get endpoints %s/%s: namespace is not within watched namespaces", namespace, name)
}
endpoint, err := c.factories[c.lookupNamespace(namespace)].Core().V1().Endpoints().Lister().Endpoints(namespace).Get(name)
endpoint, err := c.factoriesKube[c.lookupNamespace(namespace)].Core().V1().Endpoints().Lister().Endpoints(namespace).Get(name)
exist, err := translateNotFoundError(err)
return endpoint, exist, err
}
@ -357,7 +388,7 @@ func (c *clientWrapper) GetSecret(namespace, name string) (*corev1.Secret, bool,
return nil, false, fmt.Errorf("failed to get secret %s/%s: namespace is not within watched namespaces", namespace, name)
}
secret, err := c.factories[c.lookupNamespace(namespace)].Core().V1().Secrets().Lister().Secrets(namespace).Get(name)
secret, err := c.factoriesSecret[c.lookupNamespace(namespace)].Core().V1().Secrets().Lister().Secrets(namespace).Get(name)
exist, err := translateNotFoundError(err)
return secret, exist, err
}
@ -394,25 +425,6 @@ func (c *clientWrapper) lookupNamespace(ns string) string {
return ns
}
func (c *clientWrapper) newResourceEventHandler(events chan<- interface{}) cache.ResourceEventHandler {
return &cache.FilteringResourceEventHandler{
FilterFunc: func(obj interface{}) bool {
// Ignore Ingresses that do not match our custom label selector.
switch v := obj.(type) {
case *extensionsv1beta1.Ingress:
lbls := labels.Set(v.GetLabels())
return c.ingressLabelSelector.Matches(lbls)
case *networkingv1beta1.Ingress:
lbls := labels.Set(v.GetLabels())
return c.ingressLabelSelector.Matches(lbls)
default:
return true
}
},
Handler: &resourceEventHandler{ev: events},
}
}
// GetServerVersion returns the cluster server version, or an error.
func (c *clientWrapper) GetServerVersion() (*version.Version, error) {
serverVersion, err := c.clientset.Discovery().ServerVersion()

55
pkg/provider/kubernetes/ingress/client_test.go
View File

@ -3,11 +3,15 @@ package ingress
import (
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
corev1 "k8s.io/api/core/v1"
kubeerror "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
kubefake "k8s.io/client-go/kubernetes/fake"
)
func TestTranslateNotFoundError(t *testing.T) {
@ -125,3 +129,54 @@ func TestIsLoadBalancerIngressEquals(t *testing.T) {
})
}
}
func TestClientIgnoresHelmOwnedSecrets(t *testing.T) {
secret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "secret",
},
}
helmSecret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "helm-secret",
Labels: map[string]string{
"owner": "helm",
},
},
}
kubeClient := kubefake.NewSimpleClientset(helmSecret, secret)
client := newClientImpl(kubeClient)
stopCh := make(chan struct{})
eventCh, err := client.WatchAll(nil, stopCh)
require.NoError(t, err)
select {
case event := <-eventCh:
secret, ok := event.(*corev1.Secret)
require.True(t, ok)
assert.NotEqual(t, "helm-secret", secret.Name)
case <-time.After(50 * time.Millisecond):
assert.Fail(t, "expected to receive event for secret")
}
select {
case <-eventCh:
assert.Fail(t, "received more than one event")
case <-time.After(50 * time.Millisecond):
}
_, found, err := client.GetSecret("default", "secret")
require.NoError(t, err)
assert.True(t, found)
_, found, err = client.GetSecret("default", "helm-secret")
require.NoError(t, err)
assert.False(t, found)
}

18
pkg/provider/kubernetes/ingress/kubernetes.go
View File

@ -53,15 +53,15 @@ type EndpointIngress struct {
PublishedService string `description:"Published Kubernetes Service to copy status from." json:"publishedService,omitempty" toml:"publishedService,omitempty" yaml:"publishedService,omitempty"`
}
func (p *Provider) newK8sClient(ctx context.Context, ingressLabelSelector string) (*clientWrapper, error) {
ingLabelSel, err := labels.Parse(ingressLabelSelector)
func (p *Provider) newK8sClient(ctx context.Context) (*clientWrapper, error) {
_, err := labels.Parse(p.LabelSelector)
if err != nil {
return nil, fmt.Errorf("invalid ingress label selector: %q", ingressLabelSelector)
return nil, fmt.Errorf("invalid ingress label selector: %q", p.LabelSelector)
}
logger := log.FromContext(ctx)
logger.Infof("ingress label selector is: %q", ingLabelSel)
logger.Infof("ingress label selector is: %q", p.LabelSelector)
withEndpoint := ""
if p.Endpoint != "" {
@ -81,11 +81,12 @@ func (p *Provider) newK8sClient(ctx context.Context, ingressLabelSelector string
cl, err = newExternalClusterClient(p.Endpoint, p.Token, p.CertAuthFilePath)
}
if err == nil {
cl.ingressLabelSelector = ingLabelSel
if err != nil {
return nil, err
}
return cl, err
cl.ingressLabelSelector = p.LabelSelector
return cl, nil
}
// Init the provider.
@ -99,8 +100,7 @@ func (p *Provider) Provide(configurationChan chan<- dynamic.Message, pool *safe.
ctxLog := log.With(context.Background(), log.Str(log.ProviderName, "kubernetes"))
logger := log.FromContext(ctxLog)
logger.Debugf("Using Ingress label selector: %q", p.LabelSelector)
k8sClient, err := p.newK8sClient(ctxLog, p.LabelSelector)
k8sClient, err := p.newK8sClient(ctxLog)
if err != nil {
return err
}

25
pkg/tcp/proxy.go
View File

@ -13,9 +13,11 @@ import (
// Proxy forwards a TCP request to a TCP service.
type Proxy struct {
address string
target *net.TCPAddr
terminationDelay time.Duration
proxyProtocol *dynamic.ProxyProtocol
refreshTarget bool
}
// NewProxy creates a new Proxy.
@ -29,7 +31,19 @@ func NewProxy(address string, terminationDelay time.Duration, proxyProtocol *dyn
return nil, fmt.Errorf("unknown proxyProtocol version: %d", proxyProtocol.Version)
}
return &Proxy{target: tcpAddr, terminationDelay: terminationDelay, proxyProtocol: proxyProtocol}, nil
// enable the refresh of the target only if the address in an IP
refreshTarget := false
if host, _, err := net.SplitHostPort(address); err == nil && net.ParseIP(host) == nil {
refreshTarget = true
}
return &Proxy{
address: address,
target: tcpAddr,
refreshTarget: refreshTarget,
terminationDelay: terminationDelay,
proxyProtocol: proxyProtocol,
}, nil
}
// ServeTCP forwards the connection to a service.
@ -39,6 +53,15 @@ func (p *Proxy) ServeTCP(conn WriteCloser) {
// needed because of e.g. server.trackedConnection
defer conn.Close()
if p.refreshTarget {
tcpAddr, err := net.ResolveTCPAddr("tcp", p.address)
if err != nil {
log.Errorf("Error resolving tcp address: %v", err)
return
}
p.target = tcpAddr
}
connBackend, err := net.DialTCP("tcp", nil, p.target)
if err != nil {
log.Errorf("Error while connection to backend: %v", err)

72
pkg/tcp/proxy_test.go
View File

@ -6,6 +6,7 @@ import (
"fmt"
"io"
"net"
"sync"
"testing"
"time"
@ -169,3 +170,74 @@ func TestProxyProtocol(t *testing.T) {
})
}
}
func TestLookupAddress(t *testing.T) {
testCases := []struct {
desc string
address string
expectSame assert.ComparisonAssertionFunc
}{
{
desc: "IP doesn't need refresh",
address: "8.8.4.4:53",
expectSame: assert.Same,
},
{
desc: "Hostname needs refresh",
address: "dns.google:53",
expectSame: assert.NotSame,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
proxy, err := NewProxy(test.address, 10*time.Millisecond, nil)
require.NoError(t, err)
require.NotNil(t, proxy.target)
proxyListener, err := net.Listen("tcp", ":0")
require.NoError(t, err)
var wg sync.WaitGroup
go func(wg *sync.WaitGroup) {
for {
conn, err := proxyListener.Accept()
require.NoError(t, err)
proxy.ServeTCP(conn.(*net.TCPConn))
wg.Done()
}
}(&wg)
var lastTarget *net.TCPAddr
for i := 0; i < 3; i++ {
wg.Add(1)
conn, err := net.Dial("tcp", proxyListener.Addr().String())
require.NoError(t, err)
_, err = conn.Write([]byte("ping\n"))
require.NoError(t, err)
err = conn.Close()
require.NoError(t, err)
wg.Wait()
assert.NotNil(t, proxy.target)
if lastTarget != nil {
test.expectSame(t, lastTarget, proxy.target)
}
lastTarget = proxy.target
}
})
}
}

2
script/crossbinary-default
View File

@ -1,4 +1,4 @@
#!/bin/bash
#!/usr/bin/env bash
set -e
if ! test -e autogen/genstatic/gen.go; then

6
script/gcg/traefik-bugfix.toml
View File

@ -4,11 +4,11 @@ RepositoryName = "traefik"
OutputType = "file"
FileName = "traefik_changelog.md"
# example new bugfix v2.3.2
# example new bugfix v2.3.3
CurrentRef = "v2.3"
PreviousRef = "v2.3.1"
PreviousRef = "v2.3.2"
BaseBranch = "v2.3"
FutureCurrentRefName = "v2.3.2"
FutureCurrentRefName = "v2.3.3"
ThresholdPreviousRef = 10
ThresholdCurrentRef = 10

3
script/update-generated-crd-code.sh
View File

@ -1,4 +1,5 @@
#!/bin/bash -e
#!/usr/bin/env bash
set -e
HACK_DIR="$( cd "$( dirname "${0}" )" && pwd -P)"; export HACK_DIR
REPO_ROOT=${HACK_DIR}/..