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357 lines
13 KiB
357 lines
13 KiB
package stacks
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import (
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"context"
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"fmt"
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"net/http"
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"strconv"
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portainer "github.com/portainer/portainer/api"
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"github.com/portainer/portainer/api/filesystem"
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httperrors "github.com/portainer/portainer/api/http/errors"
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"github.com/portainer/portainer/api/http/security"
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"github.com/portainer/portainer/api/stacks/deployments"
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"github.com/portainer/portainer/api/stacks/stackutils"
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httperror "github.com/portainer/portainer/pkg/libhttp/error"
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"github.com/portainer/portainer/pkg/libhttp/request"
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"github.com/portainer/portainer/pkg/libhttp/response"
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"github.com/pkg/errors"
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"github.com/rs/zerolog/log"
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)
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// @id StackDelete
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// @summary Remove a stack
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// @description Remove a stack.
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// @description **Access policy**: restricted
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// @tags stacks
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// @security ApiKeyAuth
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// @security jwt
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// @param id path int true "Stack identifier"
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// @param external query boolean false "Set to true to delete an external stack. Only external Swarm stacks are supported"
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// @param endpointId query int true "Environment identifier"
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// @success 204 "Success"
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// @failure 400 "Invalid request"
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// @failure 403 "Permission denied"
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// @failure 404 "Not found"
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// @failure 500 "Server error"
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// @router /stacks/{id} [delete]
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func (handler *Handler) stackDelete(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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stackID, err := request.RetrieveRouteVariableValue(r, "id")
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if err != nil {
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return httperror.BadRequest("Invalid stack identifier route variable", err)
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}
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securityContext, err := security.RetrieveRestrictedRequestContext(r)
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if err != nil {
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return httperror.InternalServerError("Unable to retrieve info from request context", err)
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}
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externalStack, _ := request.RetrieveBooleanQueryParameter(r, "external", true)
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if externalStack {
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return handler.deleteExternalStack(r, w, stackID, securityContext)
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}
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id, err := strconv.Atoi(stackID)
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if err != nil {
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return httperror.BadRequest("Invalid stack identifier route variable", err)
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}
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stack, err := handler.DataStore.Stack().Read(portainer.StackID(id))
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if handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.NotFound("Unable to find a stack with the specified identifier inside the database", err)
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} else if err != nil {
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return httperror.InternalServerError("Unable to find a stack with the specified identifier inside the database", err)
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}
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endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", true)
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if err != nil {
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return httperror.BadRequest("Invalid query parameter: endpointId", err)
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}
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isOrphaned := portainer.EndpointID(endpointID) != stack.EndpointID
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if isOrphaned && !securityContext.IsAdmin {
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return httperror.Forbidden("Permission denied to remove orphaned stack", errors.New("Permission denied to remove orphaned stack"))
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}
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endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
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if handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.NotFound("Unable to find the endpoint associated to the stack inside the database", err)
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} else if err != nil {
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return httperror.InternalServerError("Unable to find the endpoint associated to the stack inside the database", err)
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}
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resourceControl, err := handler.DataStore.ResourceControl().ResourceControlByResourceIDAndType(stackutils.ResourceControlID(stack.EndpointID, stack.Name), portainer.StackResourceControl)
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if err != nil {
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return httperror.InternalServerError("Unable to retrieve a resource control associated to the stack", err)
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}
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if !isOrphaned {
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if err := handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint); err != nil {
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return httperror.Forbidden("Permission denied to access endpoint", err)
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}
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if stack.Type == portainer.DockerSwarmStack || stack.Type == portainer.DockerComposeStack {
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access, err := handler.userCanAccessStack(securityContext, endpoint.ID, resourceControl)
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if err != nil {
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return httperror.InternalServerError("Unable to verify user authorizations to validate stack access", err)
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}
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if !access {
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return httperror.Forbidden("Access denied to resource", httperrors.ErrResourceAccessDenied)
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}
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}
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}
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canManage, err := handler.userCanManageStacks(securityContext, endpoint)
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if err != nil {
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return httperror.InternalServerError("Unable to verify user authorizations to validate stack deletion", err)
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}
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if !canManage {
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errMsg := "stack deletion is disabled for non-admin users"
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return httperror.Forbidden(errMsg, errors.New(errMsg))
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}
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// stop scheduler updates of the stack before removal
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if stack.AutoUpdate != nil {
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deployments.StopAutoupdate(stack.ID, stack.AutoUpdate.JobID, handler.Scheduler)
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}
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if err := handler.deleteStack(securityContext.UserID, stack, endpoint); err != nil {
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return httperror.InternalServerError(err.Error(), err)
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}
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if err := handler.DataStore.Stack().Delete(portainer.StackID(id)); err != nil {
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return httperror.InternalServerError("Unable to remove the stack from the database", err)
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}
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if resourceControl != nil {
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if err := handler.DataStore.ResourceControl().Delete(resourceControl.ID); err != nil {
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return httperror.InternalServerError("Unable to remove the associated resource control from the database", err)
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}
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}
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if err := handler.FileService.RemoveDirectory(stack.ProjectPath); err != nil {
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log.Warn().Err(err).Msg("Unable to remove stack files from disk")
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}
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return response.Empty(w)
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}
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func (handler *Handler) deleteExternalStack(r *http.Request, w http.ResponseWriter, stackName string, securityContext *security.RestrictedRequestContext) *httperror.HandlerError {
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endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", false)
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if err != nil {
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return httperror.BadRequest("Invalid query parameter: endpointId", err)
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}
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if !securityContext.IsAdmin {
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return httperror.Unauthorized("Permission denied to delete the stack", httperrors.ErrUnauthorized)
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}
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stack, err := handler.DataStore.Stack().StackByName(stackName)
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if err != nil && !handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.InternalServerError("Unable to check for stack existence inside the database", err)
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}
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if stack != nil {
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return httperror.BadRequest("A stack with this name exists inside the database. Cannot use external delete method", errors.New("A tag already exists with this name"))
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}
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endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
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if handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.NotFound("Unable to find the endpoint associated to the stack inside the database", err)
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} else if err != nil {
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return httperror.InternalServerError("Unable to find the endpoint associated to the stack inside the database", err)
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}
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if err := handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint); err != nil {
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return httperror.Forbidden("Permission denied to access endpoint", err)
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}
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stack = &portainer.Stack{
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Name: stackName,
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Type: portainer.DockerSwarmStack,
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}
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if err := handler.deleteStack(securityContext.UserID, stack, endpoint); err != nil {
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return httperror.InternalServerError("Unable to delete stack", err)
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}
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return response.Empty(w)
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}
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func (handler *Handler) deleteStack(userID portainer.UserID, stack *portainer.Stack, endpoint *portainer.Endpoint) error {
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if stack.Type == portainer.DockerSwarmStack {
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stack.Name = handler.SwarmStackManager.NormalizeStackName(stack.Name)
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if stackutils.IsRelativePathStack(stack) {
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return handler.StackDeployer.UndeployRemoteSwarmStack(stack, endpoint)
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}
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return handler.SwarmStackManager.Remove(stack, endpoint)
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}
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if stack.Type == portainer.DockerComposeStack {
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stack.Name = handler.ComposeStackManager.NormalizeStackName(stack.Name)
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if stackutils.IsRelativePathStack(stack) {
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return handler.StackDeployer.UndeployRemoteComposeStack(stack, endpoint)
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}
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return handler.ComposeStackManager.Down(context.TODO(), stack, endpoint)
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}
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if stack.Type == portainer.KubernetesStack {
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manifestFiles := stackutils.GetStackFilePaths(stack, true)
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out, err := handler.KubernetesDeployer.Remove(userID, endpoint, manifestFiles, stack.Namespace)
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if err != nil {
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for _, manifest := range manifestFiles {
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if exists, fileExistsErr := filesystem.FileExists(manifest); fileExistsErr != nil || !exists {
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// If removal has failed and one of the manifest files is missing,
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// we can consider this stack as removed
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log.Warn().Err(fileExistsErr).Msgf("failed to find manifest %s, but stack deletion will continue", manifest)
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return nil
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}
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}
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}
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return errors.WithMessagef(err, "failed to remove kubernetes resources: %q", out)
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}
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return fmt.Errorf("unsupported stack type: %v", stack.Type)
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}
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// @id StackDeleteKubernetesByName
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// @summary Remove Kubernetes stacks by name
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// @description Remove a stack.
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// @description **Access policy**: restricted
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// @tags stacks
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// @security ApiKeyAuth
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// @security jwt
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// @param name path string true "Stack name"
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// @param external query boolean false "Set to true to delete an external stack. Only external Swarm stacks are supported"
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// @param endpointId query int true "Environment identifier"
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// @success 204 "Success"
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// @failure 400 "Invalid request"
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// @failure 403 "Permission denied"
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// @failure 404 "Not found"
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// @failure 500 "Server error"
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// @router /stacks/name/{name} [delete]
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func (handler *Handler) stackDeleteKubernetesByName(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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stackName, err := request.RetrieveRouteVariableValue(r, "name")
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if err != nil {
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return httperror.BadRequest("Invalid stack identifier route variable", err)
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}
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log.Debug().Msgf("Trying to delete Kubernetes stack %q", stackName)
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securityContext, err := security.RetrieveRestrictedRequestContext(r)
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if err != nil {
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return httperror.InternalServerError("Unable to retrieve info from request context", err)
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}
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endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", true)
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if err != nil {
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return httperror.BadRequest("Invalid query parameter: endpointId", err)
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}
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namespace, err := request.RetrieveQueryParameter(r, "namespace", false)
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if err != nil {
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return httperror.BadRequest("Invalid query parameter: namespace", err)
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}
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stacks, err := handler.DataStore.Stack().StacksByName(stackName)
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if err != nil && !handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.InternalServerError("Unable to check for stack existence inside the database", err)
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}
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if stacks == nil {
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return httperror.InternalServerError("Unable to find a stacks with the specified identifier name the database", err)
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}
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endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
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if handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.NotFound("Unable to find the endpoint associated to the stack inside the database", err)
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} else if err != nil {
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return httperror.InternalServerError("Unable to find the endpoint associated to the stack inside the database", err)
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}
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log.Debug().Msgf("Trying to delete Kubernetes stack %q for endpoint `%d`", stackName, endpointID)
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// check authorizations on all the stacks one by one
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stacksToDelete := make([]portainer.Stack, 0)
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for _, stack := range stacks {
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// only delete stacks for the specified namespace
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if stack.Namespace != namespace {
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continue
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}
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isOrphaned := portainer.EndpointID(endpointID) != stack.EndpointID
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if stack.Type != portainer.KubernetesStack {
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return httperror.BadRequest("Only Kubernetes stacks can be deleted by name", errors.New("Only Kubernetes stacks can be deleted by name"))
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}
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if isOrphaned && !securityContext.IsAdmin {
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return httperror.Forbidden("Permission denied to remove orphaned stack", errors.New("Permission denied to remove orphaned stack"))
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}
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if !isOrphaned {
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err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint)
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if err != nil {
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return httperror.Forbidden("Permission denied to access endpoint", err)
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}
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}
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canManage, err := handler.userCanManageStacks(securityContext, endpoint)
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if err != nil {
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return httperror.InternalServerError("Unable to verify user authorizations to validate stack deletion", err)
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}
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if !canManage {
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errMsg := "stack deletion is disabled for non-admin users"
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return httperror.Forbidden(errMsg, errors.New(errMsg))
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}
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stacksToDelete = append(stacksToDelete, stack)
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}
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log.Debug().Msgf("Trying to delete Kubernetes stacks `%v` for endpoint `%d`", stacksToDelete, endpointID)
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errors := make([]error, 0)
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// Delete all the stacks one by one
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for _, stack := range stacksToDelete {
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log.Debug().Msgf("Trying to delete Kubernetes stack id `%d`", stack.ID)
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// stop scheduler updates of the stack before removal
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if stack.AutoUpdate != nil {
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deployments.StopAutoupdate(stack.ID, stack.AutoUpdate.JobID, handler.Scheduler)
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}
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err = handler.deleteStack(securityContext.UserID, &stack, endpoint)
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if err != nil {
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log.Err(err).Msgf("Unable to delete Kubernetes stack `%d`", stack.ID)
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errors = append(errors, err)
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continue
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}
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if err := handler.DataStore.Stack().Delete(stack.ID); err != nil {
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errors = append(errors, err)
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log.Err(err).Msgf("Unable to remove the stack `%d` from the database", stack.ID)
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continue
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}
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if err := handler.FileService.RemoveDirectory(stack.ProjectPath); err != nil {
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errors = append(errors, err)
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log.Warn().Err(err).Msg("Unable to remove stack files from disk")
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}
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log.Debug().Msgf("Kubernetes stack `%d` deleted", stack.ID)
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}
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if len(errors) > 0 {
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return httperror.InternalServerError("Unable to delete some Kubernetes stack(s). Check Portainer logs for more details", nil)
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}
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return response.Empty(w)
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}
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