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deployment.go
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deployment.go
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package objects
import (
"fmt"
"strings"
"github.com/d-kuro/restart-object/pkg/logger"
"go.uber.org/zap"
appsv1 "k8s.io/api/apps/v1"
appsv1beta1 "k8s.io/api/apps/v1beta1"
appsv1beta2 "k8s.io/api/apps/v1beta2"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes"
)
type DeploymentRestarter struct {
ClientSet kubernetes.Interface
Namespace string
Tag string
Enable []string
Disable []string
}
func NewDeploymentRestarter(cs kubernetes.Interface, namespace string, tag string, enable, disable []string) Restarter {
return &DeploymentRestarter{
ClientSet: cs,
Namespace: namespace,
Tag: tag,
Enable: enable,
Disable: disable,
}
}
func (d *DeploymentRestarter) List() ([]runtime.Object, error) {
deployments, err := d.ClientSet.AppsV1().Deployments(d.Namespace).List(v1.ListOptions{})
if err != nil {
return nil, err
}
objects := make(map[string]runtime.Object)
for _, dep := range deployments.Items {
dep := dep
for _, container := range dep.Spec.Template.Spec.Containers {
container := container
logger.Logger().Info("get object",
zap.String("kind", dep.Kind),
zap.String("apiVersion", dep.APIVersion),
zap.String("name", dep.Name),
zap.String("namespace", dep.Namespace),
zap.String("image", container.Image))
tag := strings.Split(container.Image, ":")[1]
if tag == d.Tag {
objects[dep.Name] = &dep
}
}
}
return PickValidObjects(objects, d.Enable, d.Disable)
}
func (d *DeploymentRestarter) Restart(objects []runtime.Object) error {
for _, obj := range objects {
b, err := objectRestarter(obj)
if err != nil {
return err
}
switch obj := obj.(type) {
case *appsv1.Deployment:
result, err := d.ClientSet.AppsV1().Deployments(d.Namespace).
Patch(obj.Name, types.StrategicMergePatchType, b)
if err != nil {
return err
}
logger.Logger().Info("restart success",
zap.String("namespace", result.Namespace),
zap.String("deployment-name", result.Name),
zap.String("image-tag", d.Tag))
case *extensionsv1beta1.Deployment:
result, err := d.ClientSet.ExtensionsV1beta1().Deployments(d.Namespace).
Patch(obj.Name, types.StrategicMergePatchType, b)
if err != nil {
return err
}
logger.Logger().Info("restart success",
zap.String("namespace", result.Namespace),
zap.String("deployment-name", result.Name),
zap.String("image-tag", d.Tag))
case *appsv1beta2.Deployment:
result, err := d.ClientSet.AppsV1beta1().Deployments(d.Namespace).
Patch(obj.Name, types.StrategicMergePatchType, b)
if err != nil {
return err
}
logger.Logger().Info("restart success",
zap.String("namespace", result.Namespace),
zap.String("deployment-name", result.Name),
zap.String("image-tag", d.Tag))
case *appsv1beta1.Deployment:
result, err := d.ClientSet.AppsV1beta2().Deployments(d.Namespace).
Patch(obj.Name, types.StrategicMergePatchType, b)
if err != nil {
return err
}
logger.Logger().Info("restart success",
zap.String("namespace", result.Namespace),
zap.String("deployment-name", result.Name),
zap.String("image-tag", d.Tag))
default:
return fmt.Errorf("restarting is not supported")
}
}
return nil
}