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Allow to define default entrypoints (for HTTP/TCP)

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kalle (jag) 2022-10-11 09:36:08 +02:00 committed by GitHub
parent a5c520664a
commit 188ef84c4f
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9 changed files with 163 additions and 13 deletions
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18
cmd/traefik/traefik.go
View File

@ -366,8 +366,24 @@ func getHTTPChallengeHandler(acmeProviders []*acme.Provider, httpChallengeProvid
func getDefaultsEntrypoints(staticConfiguration *static.Configuration) []string {
var defaultEntryPoints []string
// Determines if at least one EntryPoint is configured to be used by default.
var hasDefinedDefaults bool
for _, ep := range staticConfiguration.EntryPoints {
if ep.AsDefault {
hasDefinedDefaults = true
break
}
}
for name, cfg := range staticConfiguration.EntryPoints {
// Traefik Hub entryPoint should not be part of the set of default entryPoints.
// By default all entrypoints are considered.
// If at least one is flagged, then only flagged entrypoints are included.
if hasDefinedDefaults && !cfg.AsDefault {
continue
}
// Traefik Hub entryPoint should not be used as a default entryPoint.
if hub.APIEntrypoint == name || hub.TunnelEntrypoint == name {
continue
}

77
cmd/traefik/traefik_test.go
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@ -9,6 +9,7 @@ import (
"github.com/go-kit/kit/metrics"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/traefik/traefik/v2/pkg/config/static"
)
// FooCert is a PEM-encoded TLS cert.
@ -114,3 +115,79 @@ func TestAppendCertMetric(t *testing.T) {
})
}
}
func TestGetDefaultsEntrypoints(t *testing.T) {
testCases := []struct {
desc string
entrypoints static.EntryPoints
expected []string
}{
{
desc: "Skips special names",
entrypoints: map[string]*static.EntryPoint{
"web": {
Address: ":80",
},
"traefik": {
Address: ":8080",
},
"traefikhub-api": {
Address: ":9900",
},
"traefikhub-tunl": {
Address: ":9901",
},
},
expected: []string{"web"},
},
{
desc: "Two EntryPoints not attachable",
entrypoints: map[string]*static.EntryPoint{
"web": {
Address: ":80",
},
"websecure": {
Address: ":443",
},
},
expected: []string{"web", "websecure"},
},
{
desc: "Two EntryPoints only one attachable",
entrypoints: map[string]*static.EntryPoint{
"web": {
Address: ":80",
},
"websecure": {
Address: ":443",
AsDefault: true,
},
},
expected: []string{"websecure"},
},
{
desc: "Two attachable EntryPoints",
entrypoints: map[string]*static.EntryPoint{
"web": {
Address: ":80",
AsDefault: true,
},
"websecure": {
Address: ":443",
AsDefault: true,
},
},
expected: []string{"web", "websecure"},
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
actual := getDefaultsEntrypoints(&static.Configuration{
EntryPoints: test.entrypoints,
})
assert.ElementsMatch(t, test.expected, actual)
})
}
}

3
docs/content/reference/static-configuration/cli-ref.md
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@ -108,6 +108,9 @@ Entry points definition. (Default: ```false```)
`--entrypoints.<name>.address`:
Entry point address.
`--entrypoints.<name>.asdefault`:
Adds this EntryPoint to the list of default EntryPoints to be used on routers that don't have any Entrypoint defined. (Default: ```false```)
`--entrypoints.<name>.forwardedheaders.insecure`:
Trust all forwarded headers. (Default: ```false```)

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

@ -108,6 +108,9 @@ Entry points definition. (Default: ```false```)
`TRAEFIK_ENTRYPOINTS_<NAME>_ADDRESS`:
Entry point address.
`TRAEFIK_ENTRYPOINTS_<NAME>_ASDEFAULT`:
Adds this EntryPoint to the list of default EntryPoints to be used on routers that don't have any Entrypoint defined. (Default: ```false```)
`TRAEFIK_ENTRYPOINTS_<NAME>_FORWARDEDHEADERS_INSECURE`:
Trust all forwarded headers. (Default: ```false```)

1
docs/content/reference/static-configuration/file.toml
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@ -14,6 +14,7 @@
[entryPoints]
[entryPoints.EntryPoint0]
address = "foobar"
asDefault = true
[entryPoints.EntryPoint0.transport]
[entryPoints.EntryPoint0.transport.lifeCycle]
requestAcceptGraceTimeout = "42s"

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

@ -14,6 +14,7 @@ serversTransport:
entryPoints:
EntryPoint0:
address: foobar
asDefault: true
transport:
lifeCycle:
requestAcceptGraceTimeout: 42s

48
docs/content/routing/entrypoints.md
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@ -233,6 +233,54 @@ If both TCP and UDP are wanted for the same port, two entryPoints definitions ar
Full details for how to specify `address` can be found in [net.Listen](https://golang.org/pkg/net/#Listen) (and [net.Dial](https://golang.org/pkg/net/#Dial)) of the doc for go.
### AsDefault
_Optional, Default=false_
The `AsDefault` option marks the EntryPoint to be in the list of default EntryPoints.
EntryPoints in this list are used (by default) on HTTP and TCP routers that do not define their own [EntryPoints option](./routers/index.md#entrypoints).
!!! info "List of default EntryPoints"
If there is no EntryPoint with the `AsDefault` option set to `true`,
then the list of default EntryPoints includes all HTTP/TCP EntryPoints.
If at least one EntryPoint has the `AsDefault` option set to `true`,
then the list of default EntryPoints includes only EntryPoints that have the `AsDefault` option set to `true`.
Some built-in EntryPoints are always excluded from the list, namely: `traefik`, `traefikhub-api`, and `traefikhub-tunl`.
!!! warning "Only TCP and HTTP"
The `AsDefault` option has no effect on UDP EntryPoints.
When a UDP router does not define the [EntryPoints option](./routers/index.md#entrypoints_2),
it is attached to all available UDP EntryPoints.
??? example "Defining only one EntryPoint as default"
```yaml tab="File (yaml)"
entryPoints:
web:
address: ":80"
websecure:
address: ":443"
asDefault: true
```
```toml tab="File (TOML)"
[entryPoints.web]
address = ":80"
[entryPoints.websecure]
address = ":443"
asDefault = true
```
```bash tab="CLI"
--entrypoints.web.address=:80
--entrypoints.websecure.address=:443
--entrypoints.websecure.asDefault=true
```
### HTTP/2
#### `maxConcurrentStreams`

20
docs/content/routing/routers/index.md
View File

@ -94,7 +94,7 @@ or act before forwarding the request to the service.
### EntryPoints
If not specified, HTTP routers will accept requests from all defined entry points.
If not specified, HTTP routers will accept requests from all EntryPoints in the [list of default EntryPoints](../entrypoints.md#asdefault).
If you want to limit the router scope to a set of entry points, set the `entryPoints` option.
??? example "Listens to Every EntryPoint"
@ -106,7 +106,7 @@ If you want to limit the router scope to a set of entry points, set the `entryPo
http:
routers:
Router-1:
# By default, routers listen to every entry points
# By default, routers listen to every EntryPoints.
rule: "Host(`example.com`)"
service: "service-1"
```
@ -115,7 +115,7 @@ If you want to limit the router scope to a set of entry points, set the `entryPo
## Dynamic configuration
[http.routers]
[http.routers.Router-1]
# By default, routers listen to every entry points
# By default, routers listen to every EntryPoints.
rule = "Host(`example.com`)"
service = "service-1"
```
@ -666,12 +666,12 @@ The [supported `provider` table](../../https/acme.md#providers) indicates if the
### General
If both HTTP routers and TCP routers listen to the same entry points, the TCP routers will apply *before* the HTTP routers.
If both HTTP routers and TCP routers listen to the same EntryPoint, the TCP routers will apply *before* the HTTP routers.
If no matching route is found for the TCP routers, then the HTTP routers will take over.
### EntryPoints
If not specified, TCP routers will accept requests from all defined entry points.
If not specified, TCP routers will accept requests from all EntryPoints in the [list of default EntryPoints](../entrypoints.md#asdefault)..
If you want to limit the router scope to a set of entry points, set the entry points option.
??? info "How to handle Server First protocols?"
@ -699,7 +699,7 @@ If you want to limit the router scope to a set of entry points, set the entry po
tcp:
routers:
Router-1:
# By default, routers listen to every entrypoints
# By default, routers listen to every EntryPoints.
rule: "HostSNI(`example.com`)"
service: "service-1"
# will route TLS requests (and ignore non tls requests)
@ -711,7 +711,7 @@ If you want to limit the router scope to a set of entry points, set the entry po
[tcp.routers]
[tcp.routers.Router-1]
# By default, routers listen to every entrypoints
# By default, routers listen to every EntryPoints.
rule = "HostSNI(`example.com`)"
service = "service-1"
# will route TLS requests (and ignore non tls requests)
@ -1198,12 +1198,12 @@ So UDP "routers" at this time are pretty much only load-balancers in one form or
As expected, a `timeout` is associated to each of these sessions,
so that they get cleaned out if they go through a period of inactivity longer than a given duration.
Timeout can be configured using the `entryPoints.name.udp.timeout` option as described
under [entry points](../entrypoints/#udp-options).
under [EntryPoints](../entrypoints/#udp-options).
### EntryPoints
If not specified, UDP routers will accept packets from all defined (UDP) entry points.
If one wants to limit the router scope to a set of entry points, one should set the entry points option.
If not specified, UDP routers will accept packets from all defined (UDP) EntryPoints.
If one wants to limit the router scope to a set of EntryPoints, one should set the `entryPoints` option.
??? example "Listens to Every Entry Point"

1
pkg/config/static/entrypoints.go
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@ -12,6 +12,7 @@ import (
// EntryPoint holds the entry point configuration.
type EntryPoint struct {
Address string `description:"Entry point address." json:"address,omitempty" toml:"address,omitempty" yaml:"address,omitempty"`
AsDefault bool `description:"Adds this EntryPoint to the list of default EntryPoints to be used on routers that don't have any Entrypoint defined." json:"asDefault,omitempty" toml:"asDefault,omitempty" yaml:"asDefault,omitempty"`
Transport *EntryPointsTransport `description:"Configures communication between clients and Traefik." json:"transport,omitempty" toml:"transport,omitempty" yaml:"transport,omitempty" export:"true"`
ProxyProtocol *ProxyProtocol `description:"Proxy-Protocol configuration." json:"proxyProtocol,omitempty" toml:"proxyProtocol,omitempty" yaml:"proxyProtocol,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
ForwardedHeaders *ForwardedHeaders `description:"Trust client forwarding headers." json:"forwardedHeaders,omitempty" toml:"forwardedHeaders,omitempty" yaml:"forwardedHeaders,omitempty" export:"true"`