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Create default Functions and Tasks from operator #824

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merged 6 commits into from
Jul 4, 2019
Merged

Create default Functions and Tasks from operator #824

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cefa7fb
create update-status function from operator
Jul 1, 2019
cb1abde
Create pvc-backup and pvc-restore function & task by default
Jul 1, 2019
ea2b6a1
Fix update-status function
Jul 3, 2019
85316df
Add comment on exported functions
Jul 3, 2019
5a3c1ef
Merge branch 'master' of github.com:stashed/stash into add-update-sta…
Jul 4, 2019
15e2ff7
Use CreateOrPatch to ensure Function and Task
Jul 4, 2019
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15 changes: 15 additions & 0 deletions pkg/controller/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ import (
stashinformers "stash.appscode.dev/stash/client/informers/externalversions"
"stash.appscode.dev/stash/pkg/eventer"
stash_rbac "stash.appscode.dev/stash/pkg/rbac"
"stash.appscode.dev/stash/pkg/util"
)

const (
Expand Down Expand Up @@ -79,9 +80,23 @@ func (c *Config) New() (*StashController, error) {
recorder: eventer.NewEventRecorder(c.KubeClient, "stash-operator"),
}

// register CRDs
if err := ctrl.ensureCustomResourceDefinitions(); err != nil {
return nil, err
}

// ensure default functions
err := util.EnsureDefaultFunctions(ctrl.stashClient, ctrl.DockerRegistry, ctrl.StashImageTag)
if err != nil {
return nil, err
}

// ensure default tasks
err = util.EnsureDefaultTasks(ctrl.stashClient)
if err != nil {
return nil, err
}

if c.EnableMutatingWebhook {
if err := reg_util.UpdateMutatingWebhookCABundle(c.ClientConfig, mutatingWebhook); err != nil {
return nil, err
Expand Down
266 changes: 266 additions & 0 deletions pkg/util/crds.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,266 @@
package util

import (
core "k8s.io/api/core/v1"
kerr "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
api_v1beta1 "stash.appscode.dev/stash/apis/stash/v1beta1"
cs "stash.appscode.dev/stash/client/clientset/versioned"
"stash.appscode.dev/stash/pkg/docker"
)

func EnsureDefaultFunctions(stashClient cs.Interface, registry, imageTag string) error {
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image := docker.Docker{
Registry: registry,
Image: docker.ImageStash,
Tag: imageTag,
}

defaultFunctions := []*api_v1beta1.Function{
updateStatusFunction(image),
pvcBackupFunction(image),
pvcRestoreFunction(image),
}

for _, fn := range defaultFunctions {
_, err := stashClient.StashV1beta1().Functions().Create(fn)
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if err != nil && !kerr.IsAlreadyExists(err) {
return err
}
}
return nil
}

func EnsureDefaultTasks(stashClient cs.Interface) error {
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defaultTasks := []*api_v1beta1.Task{
pvcBackupTask(),
pvcRestoreTask(),
}

for _, task := range defaultTasks {
_, err := stashClient.StashV1beta1().Tasks().Create(task)
if err != nil && !kerr.IsAlreadyExists(err) {
return err
}
}

return nil
}

func updateStatusFunction(image docker.Docker) *api_v1beta1.Function {
return &api_v1beta1.Function{
ObjectMeta: metav1.ObjectMeta{
Name: "update-status",
},
Spec: api_v1beta1.FunctionSpec{
Image: image.ToContainerImage(),
Args: []string{
"update-status",
"--namespace=${NAMESPACE:=default}",
"--backup-session=${BACKUP_SESSION:=}",
"--repository=${REPOSITORY_NAME:=}",
"--restore-session=${RESTORE_SESSION:=}",
"--output-dir=${outputDir:=}",
"--enable-status-subresource=${ENABLE_STATUS_SUBRESOURCE:=false}",
},
},
}
}

func pvcBackupFunction(image docker.Docker) *api_v1beta1.Function {
return &api_v1beta1.Function{
ObjectMeta: metav1.ObjectMeta{
Name: "pvc-backup",
},
Spec: api_v1beta1.FunctionSpec{
Image: image.ToContainerImage(),
Args: []string{
"backup-pvc",
"--provider=${REPOSITORY_PROVIDER:=}",
"--bucket=${REPOSITORY_BUCKET:=}",
"--endpoint=${REPOSITORY_ENDPOINT:=}",
"--rest-server-url=${REPOSITORY_URL:=}",
"--path=${REPOSITORY_PREFIX:=}",
"--secret-dir=/etc/repository/secret",
"--scratch-dir=/tmp",
"--enable-cache=${ENABLE_CACHE:=true}",
"--max-connections=${MAX_CONNECTIONS:=0}",
"--hostname=${HOSTNAME:=}",
"--backup-dirs=${TARGET_DIRECTORIES}",
"--retention-keep-last=${RETENTION_KEEP_LAST:=0}",
"--retention-keep-hourly=${RETENTION_KEEP_HOURLY:=0}",
"--retention-keep-daily=${RETENTION_KEEP_DAILY:=0}",
"--retention-keep-weekly=${RETENTION_KEEP_WEEKLY:=0}",
"--retention-keep-monthly=${RETENTION_KEEP_MONTHLY:=0}",
"--retention-keep-yearly=${RETENTION_KEEP_YEARLY:=0}",
"--retention-keep-tags=${RETENTION_KEEP_TAGS:=}",
"--retention-prune=${RETENTION_PRUNE:=false}",
"--retention-dry-run=${RETENTION_DRY_RUN:=false}",
"--output-dir=${outputDir:=}",
"--metrics-enabled=true",
"--metrics-pushgateway-url=${PROMETHEUS_PUSHGATEWAY_URL:=}",
},
VolumeMounts: []core.VolumeMount{
{
Name: "${targetVolume}",
MountPath: "${TARGET_MOUNT_PATH}",
},
{
Name: "${secretVolume}",
MountPath: "/etc/repository/secret",
},
},
},
}
}

func pvcRestoreFunction(image docker.Docker) *api_v1beta1.Function {
return &api_v1beta1.Function{
ObjectMeta: metav1.ObjectMeta{
Name: "pvc-restore",
},
Spec: api_v1beta1.FunctionSpec{
Image: image.ToContainerImage(),
Args: []string{
"restore-pvc",
"--provider=${REPOSITORY_PROVIDER:=}",
"--bucket=${REPOSITORY_BUCKET:=}",
"--endpoint=${REPOSITORY_ENDPOINT:=}",
"--rest-server-url=${REPOSITORY_URL:=}",
"--path=${REPOSITORY_PREFIX:=}",
"--secret-dir=/etc/repository/secret",
"--scratch-dir=/tmp",
"--enable-cache=${ENABLE_CACHE:=true}",
"--max-connections=${MAX_CONNECTIONS:=0}",
"--hostname=${HOSTNAME:=}",
"--restore-dirs=${RESTORE_DIRECTORIES}",
"--snapshots=${RESTORE_SNAPSHOTS:=}",
"--output-dir=${outputDir:=}",
"--metrics-enabled=true",
"--metrics-pushgateway-url=${PROMETHEUS_PUSHGATEWAY_URL:=}",
},
VolumeMounts: []core.VolumeMount{
{
Name: "${targetVolume}",
MountPath: "${TARGET_MOUNT_PATH}",
},
{
Name: "${secretVolume}",
MountPath: "/etc/repository/secret",
},
},
},
}
}

func pvcBackupTask() *api_v1beta1.Task {
return &api_v1beta1.Task{
ObjectMeta: metav1.ObjectMeta{
Name: "pvc-backup",
},
Spec: api_v1beta1.TaskSpec{
Steps: []api_v1beta1.FunctionRef{
{
Name: "pvc-backup",
Params: []api_v1beta1.Param{
{
Name: "outputDir",
Value: "/tmp/output",
},
{
Name: "targetVolume",
Value: "target-volume",
},
{
Name: "secretVolume",
Value: "secret-volume",
},
},
},
{
Name: "update-status",
Params: []api_v1beta1.Param{
{
Name: "outputDir",
Value: "/tmp/output",
},
},
},
},
Volumes: []core.Volume{
{
Name: "target-volume",
VolumeSource: core.VolumeSource{
PersistentVolumeClaim: &core.PersistentVolumeClaimVolumeSource{
ClaimName: "${TARGET_NAME}",
},
},
},
{
Name: "secret-volume",
VolumeSource: core.VolumeSource{
Secret: &core.SecretVolumeSource{
SecretName: "${REPOSITORY_SECRET_NAME}",
},
},
},
},
},
}
}

func pvcRestoreTask() *api_v1beta1.Task {
return &api_v1beta1.Task{
ObjectMeta: metav1.ObjectMeta{
Name: "pvc-restore",
},
Spec: api_v1beta1.TaskSpec{
Steps: []api_v1beta1.FunctionRef{
{
Name: "pvc-restore",
Params: []api_v1beta1.Param{
{
Name: "outputDir",
Value: "/tmp/output",
},
{
Name: "targetVolume",
Value: "target-volume",
},
{
Name: "secretVolume",
Value: "secret-volume",
},
},
},
{
Name: "update-status",
Params: []api_v1beta1.Param{
{
Name: "outputDir",
Value: "/tmp/output",
},
},
},
},
Volumes: []core.Volume{
{
Name: "target-volume",
VolumeSource: core.VolumeSource{
PersistentVolumeClaim: &core.PersistentVolumeClaimVolumeSource{
ClaimName: "${TARGET_NAME}",
},
},
},
{
Name: "secret-volume",
VolumeSource: core.VolumeSource{
Secret: &core.SecretVolumeSource{
SecretName: "${REPOSITORY_SECRET_NAME}",
},
},
},
},
},
}
}