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deployment.go
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deployment.go
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package k8sclient
import (
"context"
"fmt"
coreErr "github.com/aura-cd/backend/internal/error"
pbv1 "github.com/aura-cd/backend/proto"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
)
type CreateDeploymentParams struct {
Namespace string
AppName string
Image string
Replicas int32
Config []*pbv1.Config
}
func (k *k8sClient) CreateDeployment(ctx context.Context, in CreateDeploymentParams, opts ...Option) (*appsv1.Deployment, error) {
o := newOption()
for _, opt := range opts {
opt(o)
}
k.l.Info("creating deployment", "namespace", in.Namespace, "appName", in.AppName, "image", in.Image, CreatedByLabel, o.labelSelector[CreatedByLabel])
o.labelSelector[AppLabel] = in.AppName
var config []corev1.EnvVar
for _, c := range in.Config {
config = append(config, corev1.EnvVar{
Name: c.GetName(),
Value: c.GetValue(),
})
}
return k.client.AppsV1().Deployments(in.Namespace).Create(ctx, &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
GenerateName: fmt.Sprintf("%s-", in.AppName),
Labels: o.labelSelector,
},
Spec: appsv1.DeploymentSpec{
Replicas: &in.Replicas,
Selector: &metav1.LabelSelector{
MatchLabels: o.labelSelector,
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: o.labelSelector,
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: in.AppName,
Image: in.Image,
ImagePullPolicy: o.containerOption[in.Image].imagePullPolicy,
Env: config,
},
},
},
},
},
}, metav1.CreateOptions{})
}
type GetDeploymentParams struct {
Namespace string
Repository string
PullRequestID string
Branch string
}
func (k *k8sClient) GetDeployment(ctx context.Context, param GetDeploymentParams) (*appsv1.Deployment, error) {
deps, err := k.client.AppsV1().Deployments(param.Namespace).List(ctx, metav1.ListOptions{})
for _, dep := range deps.Items {
if dep.Labels[RepositoryLabel] == param.Repository && dep.Labels[PullRequestID] == param.PullRequestID && dep.Labels[BaseBranchLabel] == param.Branch {
return &dep, nil
}
}
if err != nil {
return nil, err
}
return nil, coreErr.ErrDeploymentsNotFound
}
func (k *k8sClient) ListDeployments(ctx context.Context, namespace string, opts ...Option) (*appsv1.DeploymentList, error) {
o := newOption()
for _, opt := range opts {
opt(o)
}
return k.client.AppsV1().Deployments(namespace).List(ctx, metav1.ListOptions{LabelSelector: labels.Set(o.labelSelector).String()})
}
type UpdateDeploymentParams struct {
Namespace string
Repository string
PullRequestID string
Branch string
AppName string
Image *string
Replicas *int32
Config []*pbv1.Config
}
func (k *k8sClient) UpdateDeployment(ctx context.Context, dep *appsv1.Deployment, in UpdateDeploymentParams, opts ...Option) (*appsv1.Deployment, error) {
o := newOption()
for _, opt := range opts {
opt(o)
}
k.l.Info("updating deployment", "namespace", in.Namespace, "appName", in.AppName, "image", in.Image, CreatedByLabel, o.labelSelector[CreatedByLabel])
if in.Image != nil {
dep.Spec.Template.Spec.Containers[0].Image = *in.Image
}
if in.Replicas != nil {
dep.Spec.Replicas = in.Replicas
}
if in.Config != nil {
var config []corev1.EnvVar
for _, c := range in.Config {
config = append(config, corev1.EnvVar{
Name: c.GetName(),
Value: c.GetValue(),
})
}
dep.Spec.Template.Spec.Containers[0].Env = config
}
return k.client.AppsV1().Deployments(in.Namespace).Update(ctx, dep, metav1.UpdateOptions{})
}
func (k *k8sClient) DeleteDeployment(ctx context.Context, namespace string, opt ...Option) error {
o := newOption()
for _, opt := range opt {
opt(o)
}
deps, err := k.client.AppsV1().Deployments(namespace).List(ctx, metav1.ListOptions{
LabelSelector: labels.Set(o.labelSelector).String(),
})
if err != nil {
return err
}
for _, dep := range deps.Items {
err := k.client.AppsV1().Deployments(namespace).Delete(ctx, dep.Name, metav1.DeleteOptions{})
if err != nil {
return err
}
}
return nil
}