feat: ipv6 options for network container creation (#1029)

Here is a final proposal for ipv6 enablement on temporary network created by gitea runner

---------

Co-authored-by: Nicolas <bircni@icloud.com>
Co-authored-by: Nicolas Schwartz <9308314+StarAurryon@users.noreply.github.com>
Reviewed-on: https://gitea.com/gitea/runner/pulls/1029
Reviewed-by: Nicolas <bircni@icloud.com>
Co-authored-by: StarAurryon <206206+staraurryon@noreply.gitea.com>
Co-committed-by: StarAurryon <206206+staraurryon@noreply.gitea.com>
This commit is contained in:
StarAurryon
2026-06-15 05:05:20 +00:00
committed by Nicolas
parent 3996d6d032
commit 2963716953
9 changed files with 151 additions and 75 deletions

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@@ -84,6 +84,12 @@ type NewDockerBuildExecutorInput struct {
Platform string Platform string
} }
// NewDockerNetworkCreateExecutorInput the input for the NewDockerNetworkCreateExecutor function
type NewDockerNetworkCreateExecutorInput struct {
EnableIPv4 *bool
EnableIPv6 *bool
}
// NewDockerPullExecutorInput the input for the NewDockerPullExecutor function // NewDockerPullExecutorInput the input for the NewDockerPullExecutor function
type NewDockerPullExecutorInput struct { type NewDockerPullExecutorInput struct {
Image string Image string

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@@ -14,7 +14,7 @@ import (
"github.com/moby/moby/client" "github.com/moby/moby/client"
) )
func NewDockerNetworkCreateExecutor(name string) common.Executor { func NewDockerNetworkCreateExecutor(name string, opts NewDockerNetworkCreateExecutorInput) common.Executor {
return func(ctx context.Context) error { return func(ctx context.Context) error {
cli, err := GetDockerClient(ctx) cli, err := GetDockerClient(ctx)
if err != nil { if err != nil {
@@ -37,8 +37,10 @@ func NewDockerNetworkCreateExecutor(name string) common.Executor {
} }
_, err = cli.NetworkCreate(ctx, name, client.NetworkCreateOptions{ _, err = cli.NetworkCreate(ctx, name, client.NetworkCreateOptions{
Driver: "bridge", Driver: "bridge",
Scope: "local", Scope: "local",
EnableIPv4: opts.EnableIPv4,
EnableIPv6: opts.EnableIPv6,
}) })
if err != nil { if err != nil {
return err return err

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@@ -61,7 +61,7 @@ func NewDockerVolumeRemoveExecutor(volume string, force bool) common.Executor {
} }
} }
func NewDockerNetworkCreateExecutor(name string) common.Executor { func NewDockerNetworkCreateExecutor(name string, opts NewDockerNetworkCreateExecutorInput) common.Executor {
return func(ctx context.Context) error { return func(ctx context.Context) error {
return nil return nil
} }

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@@ -471,7 +471,8 @@ func (rc *RunContext) startJobContainer() common.Executor {
rc.pullServicesImages(rc.Config.ForcePull), rc.pullServicesImages(rc.Config.ForcePull),
rc.JobContainer.Pull(rc.Config.ForcePull), rc.JobContainer.Pull(rc.Config.ForcePull),
rc.stopJobContainer(), rc.stopJobContainer(),
container.NewDockerNetworkCreateExecutor(networkName).IfBool(createAndDeleteNetwork), container.NewDockerNetworkCreateExecutor(networkName, rc.Config.ContainerNetworkCreateOptions).
IfBool(createAndDeleteNetwork),
rc.startServiceContainers(networkName), rc.startServiceContainers(networkName),
rc.JobContainer.Create(rc.Config.ContainerCapAdd, rc.Config.ContainerCapDrop), rc.JobContainer.Create(rc.Config.ContainerCapAdd, rc.Config.ContainerCapDrop),
rc.JobContainer.Start(false), rc.JobContainer.Start(false),

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@@ -15,6 +15,7 @@ import (
"time" "time"
"gitea.com/gitea/runner/act/common" "gitea.com/gitea/runner/act/common"
"gitea.com/gitea/runner/act/container"
"gitea.com/gitea/runner/act/model" "gitea.com/gitea/runner/act/model"
docker_container "github.com/moby/moby/api/types/container" docker_container "github.com/moby/moby/api/types/container"
@@ -28,47 +29,48 @@ type Runner interface {
// Config contains the config for a new runner // Config contains the config for a new runner
type Config struct { type Config struct {
Actor string // the user that triggered the event Actor string // the user that triggered the event
Workdir string // path to working directory Workdir string // path to working directory
ActionCacheDir string // path used for caching action contents ActionCacheDir string // path used for caching action contents
ActionOfflineMode bool // when offline, use cached action contents ActionOfflineMode bool // when offline, use cached action contents
BindWorkdir bool // bind the workdir to the job container BindWorkdir bool // bind the workdir to the job container
EventName string // name of event to run EventName string // name of event to run
EventPath string // path to JSON file to use for event.json in containers EventPath string // path to JSON file to use for event.json in containers
DefaultBranch string // name of the main branch for this repository DefaultBranch string // name of the main branch for this repository
ReuseContainers bool // reuse containers to maintain state ReuseContainers bool // reuse containers to maintain state
ForcePull bool // force pulling of the image, even if already present ForcePull bool // force pulling of the image, even if already present
ForceRebuild bool // force rebuilding local docker image action ForceRebuild bool // force rebuilding local docker image action
LogOutput bool // log the output from docker run LogOutput bool // log the output from docker run
JSONLogger bool // use json or text logger JSONLogger bool // use json or text logger
LogPrefixJobID bool // switches from the full job name to the job id LogPrefixJobID bool // switches from the full job name to the job id
Env map[string]string // env for containers Env map[string]string // env for containers
Inputs map[string]string // manually passed action inputs Inputs map[string]string // manually passed action inputs
Secrets map[string]string // list of secrets Secrets map[string]string // list of secrets
Vars map[string]string // list of vars Vars map[string]string // list of vars
Token string // GitHub token Token string // GitHub token
InsecureSecrets bool // switch hiding output when printing to terminal InsecureSecrets bool // switch hiding output when printing to terminal
Platforms map[string]string // list of platforms Platforms map[string]string // list of platforms
Privileged bool // use privileged mode Privileged bool // use privileged mode
UsernsMode string // user namespace to use UsernsMode string // user namespace to use
ContainerArchitecture string // Desired OS/architecture platform for running containers ContainerArchitecture string // Desired OS/architecture platform for running containers
ContainerDaemonSocket string // Path to Docker daemon socket ContainerDaemonSocket string // Path to Docker daemon socket
ContainerOptions string // Options for the job container ContainerOptions string // Options for the job container
UseGitIgnore bool // controls if paths in .gitignore should not be copied into container, default true UseGitIgnore bool // controls if paths in .gitignore should not be copied into container, default true
GitHubInstance string // GitHub instance to use, default "github.com" GitHubInstance string // GitHub instance to use, default "github.com"
ContainerCapAdd []string // list of kernel capabilities to add to the containers ContainerCapAdd []string // list of kernel capabilities to add to the containers
ContainerCapDrop []string // list of kernel capabilities to remove from the containers ContainerCapDrop []string // list of kernel capabilities to remove from the containers
AutoRemove bool // controls if the container is automatically removed upon workflow completion AutoRemove bool // controls if the container is automatically removed upon workflow completion
ArtifactServerPath string // the path where the artifact server stores uploads ArtifactServerPath string // the path where the artifact server stores uploads
ArtifactServerAddr string // the address the artifact server binds to ArtifactServerAddr string // the address the artifact server binds to
ArtifactServerPort string // the port the artifact server binds to ArtifactServerPort string // the port the artifact server binds to
NoSkipCheckout bool // do not skip actions/checkout NoSkipCheckout bool // do not skip actions/checkout
RemoteName string // remote name in local git repo config RemoteName string // remote name in local git repo config
ReplaceGheActionWithGithubCom []string // Use actions from GitHub Enterprise instance to GitHub ReplaceGheActionWithGithubCom []string // Use actions from GitHub Enterprise instance to GitHub
ReplaceGheActionTokenWithGithubCom string // Token of private action repo on GitHub. ReplaceGheActionTokenWithGithubCom string // Token of private action repo on GitHub.
Matrix map[string]map[string]bool // Matrix config to run Matrix map[string]map[string]bool // Matrix config to run
ContainerNetworkMode docker_container.NetworkMode // the network mode of job containers (the value of --network) ContainerNetworkMode docker_container.NetworkMode // the network mode of job containers (the value of --network)
ActionCache ActionCache // Use a custom ActionCache Implementation ContainerNetworkCreateOptions container.NewDockerNetworkCreateExecutorInput // the default network create options
ActionCache ActionCache // Use a custom ActionCache Implementation
PresetGitHubContext *model.GithubContext // the preset github context, overrides some fields like DefaultBranch, Env, Secrets etc. PresetGitHubContext *model.GithubContext // the preset github context, overrides some fields like DefaultBranch, Env, Secrets etc.
EventJSON string // the content of JSON file to use for event.json in containers, overrides EventPath EventJSON string // the content of JSON file to use for event.json in containers, overrides EventPath

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@@ -22,6 +22,7 @@ import (
"gitea.com/gitea/runner/act/artifactcache" "gitea.com/gitea/runner/act/artifactcache"
"gitea.com/gitea/runner/act/common" "gitea.com/gitea/runner/act/common"
"gitea.com/gitea/runner/act/container"
"gitea.com/gitea/runner/act/model" "gitea.com/gitea/runner/act/model"
"gitea.com/gitea/runner/act/runner" "gitea.com/gitea/runner/act/runner"
"gitea.com/gitea/runner/internal/pkg/client" "gitea.com/gitea/runner/internal/pkg/client"
@@ -33,7 +34,7 @@ import (
"connectrpc.com/connect" "connectrpc.com/connect"
runnerv1 "gitea.dev/actions-proto-go/runner/v1" runnerv1 "gitea.dev/actions-proto-go/runner/v1"
"github.com/moby/moby/api/types/container" docker_container "github.com/moby/moby/api/types/container"
log "github.com/sirupsen/logrus" log "github.com/sirupsen/logrus"
) )
@@ -418,22 +419,26 @@ func (r *Runner) run(ctx context.Context, task *runnerv1.Task, reporter *report.
AllocatePTY: r.cfg.Runner.AllocatePTY, AllocatePTY: r.cfg.Runner.AllocatePTY,
ActionOfflineMode: r.cfg.Cache.OfflineMode, ActionOfflineMode: r.cfg.Cache.OfflineMode,
ReuseContainers: false, ReuseContainers: false,
ForcePull: r.cfg.Container.ForcePull, ForcePull: r.cfg.Container.ForcePull,
ForceRebuild: r.cfg.Container.ForceRebuild, ForceRebuild: r.cfg.Container.ForceRebuild,
LogOutput: true, LogOutput: true,
JSONLogger: false, JSONLogger: false,
Env: envs, Env: envs,
Secrets: task.Secrets, Secrets: task.Secrets,
GitHubInstance: strings.TrimSuffix(r.client.Address(), "/"), GitHubInstance: strings.TrimSuffix(r.client.Address(), "/"),
AutoRemove: true, AutoRemove: true,
NoSkipCheckout: true, NoSkipCheckout: true,
PresetGitHubContext: preset, PresetGitHubContext: preset,
EventJSON: string(eventJSON), EventJSON: string(eventJSON),
ContainerNamePrefix: fmt.Sprintf("GITEA-ACTIONS-TASK-%d", task.Id), ContainerNamePrefix: fmt.Sprintf("GITEA-ACTIONS-TASK-%d", task.Id),
ContainerMaxLifetime: maxLifetime, ContainerMaxLifetime: maxLifetime,
CleanWorkdir: true, CleanWorkdir: true,
ContainerNetworkMode: container.NetworkMode(r.cfg.Container.Network), ContainerNetworkMode: docker_container.NetworkMode(r.cfg.Container.Network),
ContainerNetworkCreateOptions: container.NewDockerNetworkCreateExecutorInput{
EnableIPv4: r.cfg.Container.NetworkCreateOptions.EnableIPv4,
EnableIPv6: r.cfg.Container.NetworkCreateOptions.EnableIPv6,
},
ContainerOptions: r.cfg.Container.Options, ContainerOptions: r.cfg.Container.Options,
ContainerDaemonSocket: r.cfg.Container.DockerHost, ContainerDaemonSocket: r.cfg.Container.DockerHost,
Privileged: r.cfg.Container.Privileged, Privileged: r.cfg.Container.Privileged,

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@@ -116,6 +116,13 @@ container:
# If it's empty, runner will create a network automatically. # If it's empty, runner will create a network automatically.
# Deprecated: `network_mode` is still accepted for old configs; use `network` instead. # Deprecated: `network_mode` is still accepted for old configs; use `network` instead.
network: "" network: ""
# network_create_options only apply when `network` is left empty and the runner
# auto-creates a per-job network that does not already exist. They have no effect
# when a custom `network` name is set, because that network is used as-is and never
# created by the runner. Omit the entire block to use Docker's defaults.
network_create_options:
enable_ipv4: true # Omit to use Docker's default (IPv4 enabled). Set false to disable IPv4.
enable_ipv6: false # Omit to use Docker's default (IPv6 disabled). Enabling it requires dockerd started with --ipv6.
# Whether to use privileged mode or not when launching task containers (privileged mode is required for Docker-in-Docker). # Whether to use privileged mode or not when launching task containers (privileged mode is required for Docker-in-Docker).
privileged: false privileged: false
# Any other options to be used when the container is started (e.g., --add-host=my.gitea.url:host-gateway). # Any other options to be used when the container is started (e.g., --add-host=my.gitea.url:host-gateway).

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@@ -58,18 +58,24 @@ type Cache struct {
// Container represents the configuration for the container. // Container represents the configuration for the container.
type Container struct { type Container struct {
Network string `yaml:"network"` // Network specifies the network for the container. Network string `yaml:"network"` // Network specifies the network for the container.
NetworkMode string `yaml:"network_mode"` // Deprecated: use Network instead. Could be removed after Gitea 1.20 NetworkCreateOptions ContainerNetworkCreateOptions `yaml:"network_create_options"` // Add options when the network need to be created by the runner
Privileged bool `yaml:"privileged"` // Privileged indicates whether the container runs in privileged mode. NetworkMode string `yaml:"network_mode"` // Deprecated: use Network instead. Could be removed after Gitea 1.20
Options string `yaml:"options"` // Options specifies additional options for the container. Privileged bool `yaml:"privileged"` // Privileged indicates whether the container runs in privileged mode.
WorkdirParent string `yaml:"workdir_parent"` // WorkdirParent specifies the parent directory for the container's working directory. Options string `yaml:"options"` // Options specifies additional options for the container.
ValidVolumes []string `yaml:"valid_volumes"` // ValidVolumes specifies the volumes (including bind mounts) can be mounted to containers. WorkdirParent string `yaml:"workdir_parent"` // WorkdirParent specifies the parent directory for the container's working directory.
DockerHost string `yaml:"docker_host"` // DockerHost specifies the Docker host. It overrides the value specified in environment variable DOCKER_HOST. ValidVolumes []string `yaml:"valid_volumes"` // ValidVolumes specifies the volumes (including bind mounts) can be mounted to containers.
ForcePull bool `yaml:"force_pull"` // Pull docker image(s) even if already present DockerHost string `yaml:"docker_host"` // DockerHost specifies the Docker host. It overrides the value specified in environment variable DOCKER_HOST.
ForceRebuild bool `yaml:"force_rebuild"` // Rebuild docker image(s) even if already present ForcePull bool `yaml:"force_pull"` // Pull docker image(s) even if already present
RequireDocker bool `yaml:"require_docker"` // Always require a reachable docker daemon, even if not required by runner ForceRebuild bool `yaml:"force_rebuild"` // Rebuild docker image(s) even if already present
DockerTimeout time.Duration `yaml:"docker_timeout"` // Timeout to wait for the docker daemon to be reachable, if docker is required by require_docker or runner RequireDocker bool `yaml:"require_docker"` // Always require a reachable docker daemon, even if not required by runner
BindWorkdir bool `yaml:"bind_workdir"` // BindWorkdir binds the workspace to the host filesystem instead of using Docker volumes. Required for DinD when jobs use docker compose with bind mounts. DockerTimeout time.Duration `yaml:"docker_timeout"` // Timeout to wait for the docker daemon to be reachable, if docker is required by require_docker or runner
BindWorkdir bool `yaml:"bind_workdir"` // BindWorkdir binds the workspace to the host filesystem instead of using Docker volumes. Required for DinD when jobs use docker compose with bind mounts.
}
type ContainerNetworkCreateOptions struct {
EnableIPv4 *bool `yaml:"enable_ipv4"` // Enable or disable IPv4 for the network (true for docker by default)
EnableIPv6 *bool `yaml:"enable_ipv6"` // Enable or disable IPv6 for the network (false for docker by default)
} }
// Host represents the configuration for the host. // Host represents the configuration for the host.

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@@ -117,3 +117,50 @@ func TestLoadDefault_MalformedYAMLReturnsParseError(t *testing.T) {
assert.Contains(t, err.Error(), "parse config file") assert.Contains(t, err.Error(), "parse config file")
assert.NotContains(t, err.Error(), "defaults metadata") assert.NotContains(t, err.Error(), "defaults metadata")
} }
func TestContainerNetworkCreateOptions(t *testing.T) {
// Verify that the enable_ipv4/enable_ipv6 YAML keys unmarshal into the *bool fields,
// distinguishing an explicit true/false from an omitted key (nil). A nil here is
// forwarded as-is to Docker, which applies its own default.
loadOptions := func(t *testing.T, yaml string) ContainerNetworkCreateOptions {
t.Helper()
dir := t.TempDir()
path := filepath.Join(dir, "config.yaml")
require.NoError(t, os.WriteFile(path, []byte(yaml), 0o600))
cfg, err := LoadDefault(path)
require.NoError(t, err)
return cfg.Container.NetworkCreateOptions
}
t.Run("enable_ipv6 true unmarshals to non-nil true", func(t *testing.T) {
opts := loadOptions(t, "container:\n network_create_options:\n enable_ipv6: true\n")
require.NotNil(t, opts.EnableIPv6)
assert.True(t, *opts.EnableIPv6)
})
t.Run("enable_ipv6 false unmarshals to non-nil false", func(t *testing.T) {
opts := loadOptions(t, "container:\n network_create_options:\n enable_ipv6: false\n")
require.NotNil(t, opts.EnableIPv6)
assert.False(t, *opts.EnableIPv6)
})
t.Run("enable_ipv4 false unmarshals to non-nil false", func(t *testing.T) {
opts := loadOptions(t, "container:\n network_create_options:\n enable_ipv4: false\n")
require.NotNil(t, opts.EnableIPv4)
assert.False(t, *opts.EnableIPv4)
})
t.Run("omitted keys stay nil", func(t *testing.T) {
opts := loadOptions(t, "container:\n network_create_options:\n enable_ipv4: true\n")
require.NotNil(t, opts.EnableIPv4)
assert.True(t, *opts.EnableIPv4)
assert.Nil(t, opts.EnableIPv6, "an omitted enable_ipv6 must remain nil so Docker's default applies")
})
t.Run("omitted block leaves both nil", func(t *testing.T) {
opts := loadOptions(t, "container:\n network: \"\"\n")
assert.Nil(t, opts.EnableIPv4)
assert.Nil(t, opts.EnableIPv6)
})
}