first-commit

services/appstore/k8s_manager.go

@@ -0,0 +1,222 @@
+// Copyright 2024 The Devstar Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package appstore
+
+import (
+	"context"
+
+	k8s "code.gitea.io/gitea/modules/k8s"
+	applicationv1 "code.gitea.io/gitea/modules/k8s/api/application/v1"
+	"code.gitea.io/gitea/modules/k8s/application"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// K8sManager handles Kubernetes-specific application operations
+type K8sManager struct {
+	ctx context.Context
+}
+
+// NewK8sManager creates a new Kubernetes manager
+func NewK8sManager(ctx context.Context) *K8sManager {
+	return &K8sManager{
+		ctx: ctx,
+	}
+}
+
+// InstallAppToKubernetes installs an application to a Kubernetes cluster
+func (km *K8sManager) InstallAppToKubernetes(app *App, kubeconfig []byte, contextName string) error {
+	// Validate that the app supports Kubernetes deployment
+	if app.Deploy.Type != "kubernetes" && app.DeploymentType != "kubernetes" && app.DeploymentType != "both" {
+		return &AppStoreError{
+			Code:    "DEPLOYMENT_TYPE_ERROR",
+			Message: "Application does not support Kubernetes deployment",
+		}
+	}
+
+	// Get Kubernetes client
+	k8sClient, err := k8s.GetKubernetesClient(km.ctx, kubeconfig, contextName)
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_CLIENT_ERROR",
+			Message: "Failed to create Kubernetes client",
+			Details: err.Error(),
+		}
+	}
+
+	// Build Kubernetes create options
+	createOptions, err := BuildK8sCreateOptions(app)
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_OPTIONS_ERROR",
+			Message: "Failed to build Kubernetes create options",
+			Details: err.Error(),
+		}
+	}
+
+	// Create the application in Kubernetes
+	_, err = application.CreateApplication(km.ctx, k8sClient, createOptions)
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_CREATE_ERROR",
+			Message: "Failed to create application in Kubernetes",
+			Details: err.Error(),
+		}
+	}
+
+	return nil
+}
+
+// UninstallAppFromKubernetes uninstalls an application from a Kubernetes cluster
+func (km *K8sManager) UninstallAppFromKubernetes(app *App, kubeconfig []byte, contextName string) error {
+	// Validate that the app supports Kubernetes deployment
+	if app.Deploy.Type != "kubernetes" && app.DeploymentType != "kubernetes" && app.DeploymentType != "both" {
+		return &AppStoreError{
+			Code:    "DEPLOYMENT_TYPE_ERROR",
+			Message: "Application does not support Kubernetes deployment",
+		}
+	}
+
+	// Get Kubernetes client
+	k8sClient, err := k8s.GetKubernetesClient(km.ctx, kubeconfig, contextName)
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_CLIENT_ERROR",
+			Message: "Failed to create Kubernetes client",
+			Details: err.Error(),
+		}
+	}
+
+	// Build Kubernetes delete options
+	deleteOptions, err := BuildK8sDeleteOptions(app, "")
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_OPTIONS_ERROR",
+			Message: "Failed to build Kubernetes delete options",
+			Details: err.Error(),
+		}
+	}
+
+	// Delete the application from Kubernetes
+	err = application.DeleteApplication(km.ctx, k8sClient, deleteOptions)
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_DELETE_ERROR",
+			Message: "Failed to delete application from Kubernetes",
+			Details: err.Error(),
+		}
+	}
+
+	return nil
+}
+
+// GetAppFromKubernetes gets an application from a Kubernetes cluster
+func (km *K8sManager) GetAppFromKubernetes(app *App, kubeconfig []byte, contextName string) (interface{}, error) {
+	// Validate that the app supports Kubernetes deployment
+	if app.Deploy.Type != "kubernetes" && app.DeploymentType != "kubernetes" && app.DeploymentType != "both" {
+		return nil, &AppStoreError{
+			Code:    "DEPLOYMENT_TYPE_ERROR",
+			Message: "Application does not support Kubernetes deployment",
+		}
+	}
+
+	// Get Kubernetes client
+	k8sClient, err := k8s.GetKubernetesClient(km.ctx, kubeconfig, contextName)
+	if err != nil {
+		return nil, &AppStoreError{
+			Code:    "KUBERNETES_CLIENT_ERROR",
+			Message: "Failed to create Kubernetes client",
+			Details: err.Error(),
+		}
+	}
+
+	// Build Kubernetes get options
+	getOptions, err := BuildK8sGetOptions(app, "", false)
+	if err != nil {
+		return nil, &AppStoreError{
+			Code:    "KUBERNETES_OPTIONS_ERROR",
+			Message: "Failed to build Kubernetes get options",
+			Details: err.Error(),
+		}
+	}
+
+	// Get the application from Kubernetes
+	return application.GetApplication(km.ctx, k8sClient, getOptions)
+}
+
+// ListAppsFromKubernetes lists applications from a Kubernetes cluster
+func (km *K8sManager) ListAppsFromKubernetes(app *App, kubeconfig []byte, contextName string) (*applicationv1.ApplicationList, error) {
+	// Validate that the app supports Kubernetes deployment
+	if app.Deploy.Type != "kubernetes" && app.DeploymentType != "kubernetes" && app.DeploymentType != "both" {
+		return nil, &AppStoreError{
+			Code:    "DEPLOYMENT_TYPE_ERROR",
+			Message: "Application does not support Kubernetes deployment",
+		}
+	}
+
+	// Get Kubernetes client
+	k8sClient, err := k8s.GetKubernetesClient(km.ctx, kubeconfig, contextName)
+	if err != nil {
+		return nil, &AppStoreError{
+			Code:    "KUBERNETES_CLIENT_ERROR",
+			Message: "Failed to create Kubernetes client",
+			Details: err.Error(),
+		}
+	}
+
+	// Build Kubernetes list options
+	listOptions, err := BuildK8sListOptions("", metav1.ListOptions{})
+	if err != nil {
+		return nil, &AppStoreError{
+			Code:    "KUBERNETES_OPTIONS_ERROR",
+			Message: "Failed to build Kubernetes list options",
+			Details: err.Error(),
+		}
+	}
+
+	// List applications from Kubernetes
+	return application.ListApplications(km.ctx, k8sClient, listOptions)
+}
+
+// UpdateAppInKubernetes updates an application in a Kubernetes cluster
+func (km *K8sManager) UpdateAppInKubernetes(app *App, kubeconfig []byte, contextName string) error {
+	// Validate that the app supports Kubernetes deployment
+	if app.Deploy.Type != "kubernetes" && app.DeploymentType != "kubernetes" && app.DeploymentType != "both" {
+		return &AppStoreError{
+			Code:    "DEPLOYMENT_TYPE_ERROR",
+			Message: "Application does not support Kubernetes deployment",
+		}
+	}
+
+	// Get Kubernetes client
+	k8sClient, err := k8s.GetKubernetesClient(km.ctx, kubeconfig, contextName)
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_CLIENT_ERROR",
+			Message: "Failed to create Kubernetes client",
+			Details: err.Error(),
+		}
+	}
+
+	// Build Kubernetes update options
+	updateOptions, err := BuildK8sUpdateOptions(app, "", nil)
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_OPTIONS_ERROR",
+			Message: "Failed to build Kubernetes update options",
+			Details: err.Error(),
+		}
+	}
+
+	// Update the application in Kubernetes
+	_, err = application.UpdateApplication(km.ctx, k8sClient, updateOptions)
+	if err != nil {
+		return &AppStoreError{
+			Code:    "KUBERNETES_UPDATE_ERROR",
+			Message: "Failed to update application in Kubernetes",
+			Details: err.Error(),
+		}
+	}
+
+	return nil
+}