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Merge pull request #5 from Mtze/docker-prototype
Docker Prototype
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| package docker | ||
|
|
||
| import ( | ||
| "github.com/docker/docker/api/types/container" | ||
| "github.com/docker/docker/api/types/mount" | ||
| ) | ||
|
|
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| var defaultHostConfig = container.HostConfig{ | ||
| Mounts: []mount.Mount{ | ||
| { | ||
| Type: mount.TypeVolume, | ||
| Source: sharedVolumeName, | ||
| Target: "/shared", | ||
| }, | ||
| }, | ||
| AutoRemove: true, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package docker | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/Mtze/HadesCI/shared/payload" | ||
| "github.com/Mtze/HadesCI/shared/utils" | ||
| "github.com/docker/docker/api/types" | ||
| "github.com/docker/docker/api/types/container" | ||
| "github.com/docker/docker/client" | ||
| _ "github.com/docker/docker/client" | ||
| log "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| const ( | ||
| cloneContainerImage = "alpine/git:latest" | ||
| sharedVolumeName = "shared" | ||
| ) | ||
|
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| var cli *client.Client | ||
|
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| type Scheduler struct{} | ||
|
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| func init() { | ||
| var err error | ||
| // Create a new Docker client | ||
| cli, err = client.NewClientWithOpts(client.FromEnv) | ||
| if err != nil { | ||
| log.WithError(err).Fatal("Failed to create Docker client") | ||
| } | ||
| } | ||
|
|
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| func (d *Scheduler) ScheduleJob(job payload.BuildJob) error { | ||
| ctx := context.Background() | ||
|
|
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| // Create the shared volume | ||
| err := createSharedVolume(ctx, cli, sharedVolumeName) | ||
| if err != nil { | ||
| log.WithError(err).Error("Failed to create shared volume") | ||
| return err | ||
| } | ||
|
|
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| // Clone the repository | ||
| err = cloneRepository(ctx, cli, job.BuildConfig.Repositories...) | ||
| if err != nil { | ||
| log.WithError(err).Error("Failed to clone repository") | ||
| return err | ||
| } | ||
|
|
||
| // TODO enable deletion of shared volume | ||
| //time.Sleep(5 * time.Second) | ||
| //err = deleteSharedVolume(ctx, cli, sharedVolumeName) | ||
| //if err != nil { | ||
| // log.WithError(err).Error("Failed to delete shared volume") | ||
| // return err | ||
| //} | ||
|
|
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| return nil | ||
| } | ||
|
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| func cloneRepository(ctx context.Context, client *client.Client, repositories ...payload.Repository) error { | ||
| // Pull the image | ||
| _, err := client.ImagePull(ctx, cloneContainerImage, types.ImagePullOptions{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| // Use the index to modify the slice in place | ||
| for i := range repositories { | ||
| repositories[i].Path = "/shared" + repositories[i].Path | ||
| } | ||
| commandStr := utils.BuildCloneCommands(repositories...) | ||
| log.Debug(commandStr) | ||
|
|
||
| // Create the container | ||
| resp, err := client.ContainerCreate(ctx, &container.Config{ | ||
| Image: cloneContainerImage, | ||
| Entrypoint: []string{"/bin/sh", "-c"}, | ||
| Cmd: []string{commandStr}, | ||
| Volumes: map[string]struct{}{ | ||
| "/shared": {}, | ||
| }, | ||
| }, &defaultHostConfig, nil, nil, "") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Start the container | ||
| err = client.ContainerStart(ctx, resp.ID, types.ContainerStartOptions{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| log.Infof("Container %s started with ID: %s\n", cloneContainerImage, resp.ID) | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package docker | ||
|
|
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| import ( | ||
| "context" | ||
| "github.com/docker/docker/api/types/volume" | ||
| "github.com/docker/docker/client" | ||
| log "github.com/sirupsen/logrus" | ||
| ) | ||
|
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| func createSharedVolume(ctx context.Context, client *client.Client, name string) error { | ||
| // Create the volume | ||
| _, err := client.VolumeCreate(ctx, volume.CreateOptions{ | ||
| Name: name, | ||
| }) | ||
| if err != nil { | ||
| log.WithError(err).Error("Failed to create shared volume") | ||
| return err | ||
| } | ||
|
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| log.Debugf("Volume %s created", name) | ||
| return nil | ||
| } | ||
|
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| func deleteSharedVolume(ctx context.Context, client *client.Client, name string) error { | ||
| // Delete the volume | ||
| err := client.VolumeRemove(ctx, name, true) | ||
| if err != nil { | ||
| log.WithError(err).Error("Failed to delete shared volume") | ||
| return err | ||
| } | ||
|
|
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| log.Debugf("Volume %s deleted", name) | ||
| return nil | ||
| } |
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