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Add support to define a custom docker network and enable docker ipv6 (#893)
- Add support to define a custom docker network and enable docker ipv6 - Adjust docs
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@ -155,6 +155,10 @@ Configures if the gRPC server certificate should be verified, only valid when `W
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Configures the backend engine to run pipelines on. Possible values are `auto-detect`, `docker`, `local` or `ssh`.
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### `WOODPECKER_BACKEND_DOCKER_*`
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See [Docker backend configuration](backends/docker/#configuration)
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### `WOODPECKER_BACKEND_SSH_*`
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See [SSH backend configuration](backends/ssh/#configuration)
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@ -1 +1,15 @@
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# Docker backend
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This is the original backend used with Woodpecker. The docker backend executes each step inside a separate container started on the agent.
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## Configuration
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### `WOODPECKER_BACKEND_DOCKER_NETWORK`
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> Default: empty
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Set to the name of an existing network which will be attached to all your pipeline containers (steps). Please be careful as this allows the containers of different piplines to access each other!
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### `WOODPECKER_BACKEND_DOCKER_ENABLE_IPV6`
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> Default: `false`
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Enable IPv6 for the networks used by pipeline containers (steps). Make sure you configured your docker daemon to support IPv6.
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@ -254,37 +254,37 @@ execute a local build
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**--build-created**="": (default: 0)
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**--build-event**="":
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**--build-event**="":
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**--build-finished**="": (default: 0)
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**--build-link**="":
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**--build-link**="":
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**--build-number**="": (default: 0)
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**--build-started**="": (default: 0)
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**--build-status**="":
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**--build-status**="":
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**--build-target**="":
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**--build-target**="":
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**--commit-author-avatar**="":
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**--commit-author-avatar**="":
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**--commit-author-email**="":
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**--commit-author-email**="":
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**--commit-author-name**="":
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**--commit-author-name**="":
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**--commit-branch**="":
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**--commit-branch**="":
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**--commit-message**="":
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**--commit-message**="":
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**--commit-ref**="":
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**--commit-ref**="":
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**--commit-refspec**="":
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**--commit-refspec**="":
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**--commit-sha**="":
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**--commit-sha**="":
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**--env**="":
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**--env**="":
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**--job-number**="": (default: 0)
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@ -292,11 +292,11 @@ execute a local build
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**--log-level**="": set logging level (default: info)
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**--netrc-machine**="":
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**--netrc-machine**="":
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**--netrc-password**="":
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**--netrc-password**="":
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**--netrc-username**="":
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**--netrc-username**="":
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**--network**="": external networks
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@ -304,43 +304,43 @@ execute a local build
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**--prev-build-created**="": (default: 0)
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**--prev-build-event**="":
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**--prev-build-event**="":
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**--prev-build-finished**="": (default: 0)
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**--prev-build-link**="":
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**--prev-build-link**="":
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**--prev-build-number**="": (default: 0)
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**--prev-build-started**="": (default: 0)
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**--prev-build-status**="":
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**--prev-build-status**="":
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**--prev-commit-author-avatar**="":
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**--prev-commit-author-avatar**="":
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**--prev-commit-author-email**="":
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**--prev-commit-author-email**="":
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**--prev-commit-author-name**="":
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**--prev-commit-author-name**="":
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**--prev-commit-branch**="":
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**--prev-commit-branch**="":
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**--prev-commit-message**="":
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**--prev-commit-message**="":
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**--prev-commit-ref**="":
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**--prev-commit-ref**="":
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**--prev-commit-refspec**="":
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**--prev-commit-refspec**="":
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**--prev-commit-sha**="":
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**--prev-commit-sha**="":
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**--privileged**="": privileged plugins (default: [plugins/docker plugins/gcr plugins/ecr woodpeckerci/plugin-docker woodpeckerci/plugin-docker-buildx])
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**--repo-link**="":
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**--repo-link**="":
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**--repo-name**="":
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**--repo-name**="":
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**--repo-private**="":
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**--repo-private**="":
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**--repo-remote-url**="":
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**--repo-remote-url**="":
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**--server, -s**="": server address
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@ -4,6 +4,7 @@ import (
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"context"
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"io"
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"os"
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"strconv"
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"strings"
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"github.com/docker/docker/api/types"
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@ -19,7 +20,9 @@ import (
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)
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type docker struct {
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client client.APIClient
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client client.APIClient
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enableIPv6 bool
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network string
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}
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// make sure docker implements Engine
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@ -52,6 +55,10 @@ func (e *docker) Load() error {
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}
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e.client = cli
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e.enableIPv6, _ = strconv.ParseBool(os.Getenv("WOODPECKER_BACKEND_DOCKER_ENABLE_IPV6"))
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e.network = os.Getenv("WOODPECKER_BACKEND_DOCKER_NETWORK")
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return nil
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}
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@ -69,8 +76,9 @@ func (e *docker) Setup(_ context.Context, conf *backend.Config) error {
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}
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for _, n := range conf.Networks {
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_, err := e.client.NetworkCreate(noContext, n.Name, types.NetworkCreate{
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Driver: n.Driver,
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Options: n.DriverOpts,
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Driver: n.Driver,
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Options: n.DriverOpts,
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EnableIPv6: e.enableIPv6,
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// Labels: defaultLabels,
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})
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if err != nil {
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@ -137,16 +145,15 @@ func (e *docker) Exec(ctx context.Context, proc *backend.Step) error {
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return err
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}
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}
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}
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// if proc.Network != "host" { // or bridge, overlay, none, internal, container:<name> ....
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// err = e.client.NetworkConnect(ctx, proc.Network, proc.Name, &network.EndpointSettings{
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// Aliases: proc.NetworkAliases,
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// })
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// if err != nil {
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// return err
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// }
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// }
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// join the container to an existing network
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if e.network != "" {
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err = e.client.NetworkConnect(ctx, e.network, proc.Name, &network.EndpointSettings{})
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if err != nil {
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return err
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}
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}
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}
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return e.client.ContainerStart(ctx, proc.Name, startOpts)
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}
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