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portainer/api/http/handler/stacks/stack_delete.go

253 lines
9.2 KiB

package stacks
import (
"context"
"fmt"
"net/http"
"os"
"strconv"
"github.com/pkg/errors"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/libhttp/request"
"github.com/portainer/libhttp/response"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/filesystem"
httperrors "github.com/portainer/portainer/api/http/errors"
"github.com/portainer/portainer/api/http/security"
"github.com/portainer/portainer/api/stacks/deployments"
"github.com/portainer/portainer/api/stacks/stackutils"
"github.com/rs/zerolog/log"
)
// @id StackDelete
// @summary Remove a stack
// @description Remove a stack.
// @description **Access policy**: restricted
// @tags stacks
// @security ApiKeyAuth
// @security jwt
// @param id path int true "Stack identifier"
// @param external query boolean false "Set to true to delete an external stack. Only external Swarm stacks are supported"
// @param endpointId query int true "Environment identifier"
// @success 204 "Success"
// @failure 400 "Invalid request"
// @failure 403 "Permission denied"
// @failure 404 "Not found"
// @failure 500 "Server error"
// @router /stacks/{id} [delete]
func (handler *Handler) stackDelete(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
stackID, err := request.RetrieveRouteVariableValue(r, "id")
if err != nil {
return httperror.BadRequest("Invalid stack identifier route variable", err)
}
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
return httperror.InternalServerError("Unable to retrieve info from request context", err)
}
externalStack, _ := request.RetrieveBooleanQueryParameter(r, "external", true)
if externalStack {
return handler.deleteExternalStack(r, w, stackID, securityContext)
}
id, err := strconv.Atoi(stackID)
if err != nil {
return httperror.BadRequest("Invalid stack identifier route variable", err)
}
stack, err := handler.DataStore.Stack().Read(portainer.StackID(id))
if handler.DataStore.IsErrObjectNotFound(err) {
return httperror.NotFound("Unable to find a stack with the specified identifier inside the database", err)
} else if err != nil {
return httperror.InternalServerError("Unable to find a stack with the specified identifier inside the database", err)
}
endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", true)
if err != nil {
return httperror.BadRequest("Invalid query parameter: endpointId", err)
}
isOrphaned := portainer.EndpointID(endpointID) != stack.EndpointID
if isOrphaned && !securityContext.IsAdmin {
return httperror.Forbidden("Permission denied to remove orphaned stack", errors.New("Permission denied to remove orphaned stack"))
}
endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
if handler.DataStore.IsErrObjectNotFound(err) {
return httperror.NotFound("Unable to find the endpoint associated to the stack inside the database", err)
} else if err != nil {
return httperror.InternalServerError("Unable to find the endpoint associated to the stack inside the database", err)
}
resourceControl, err := handler.DataStore.ResourceControl().ResourceControlByResourceIDAndType(stackutils.ResourceControlID(stack.EndpointID, stack.Name), portainer.StackResourceControl)
if err != nil {
return httperror.InternalServerError("Unable to retrieve a resource control associated to the stack", err)
}
if !isOrphaned {
err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint)
if err != nil {
return httperror.Forbidden("Permission denied to access endpoint", err)
}
if stack.Type == portainer.DockerSwarmStack || stack.Type == portainer.DockerComposeStack {
access, err := handler.userCanAccessStack(securityContext, endpoint.ID, resourceControl)
if err != nil {
return httperror.InternalServerError("Unable to verify user authorizations to validate stack access", err)
}
if !access {
return httperror.Forbidden("Access denied to resource", httperrors.ErrResourceAccessDenied)
}
}
}
canManage, err := handler.userCanManageStacks(securityContext, endpoint)
if err != nil {
return httperror.InternalServerError("Unable to verify user authorizations to validate stack deletion", err)
}
if !canManage {
errMsg := "stack deletion is disabled for non-admin users"
return httperror.Forbidden(errMsg, fmt.Errorf(errMsg))
}
// stop scheduler updates of the stack before removal
if stack.AutoUpdate != nil {
deployments.StopAutoupdate(stack.ID, stack.AutoUpdate.JobID, handler.Scheduler)
}
err = handler.deleteStack(securityContext.UserID, stack, endpoint)
if err != nil {
return httperror.InternalServerError(err.Error(), err)
}
err = handler.DataStore.Stack().Delete(portainer.StackID(id))
if err != nil {
return httperror.InternalServerError("Unable to remove the stack from the database", err)
}
if resourceControl != nil {
err = handler.DataStore.ResourceControl().Delete(resourceControl.ID)
if err != nil {
return httperror.InternalServerError("Unable to remove the associated resource control from the database", err)
}
}
err = handler.FileService.RemoveDirectory(stack.ProjectPath)
if err != nil {
log.Warn().Err(err).Msg("Unable to remove stack files from disk")
}
return response.Empty(w)
}
func (handler *Handler) deleteExternalStack(r *http.Request, w http.ResponseWriter, stackName string, securityContext *security.RestrictedRequestContext) *httperror.HandlerError {
endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", false)
if err != nil {
return httperror.BadRequest("Invalid query parameter: endpointId", err)
}
if !securityContext.IsAdmin {
return &httperror.HandlerError{StatusCode: http.StatusUnauthorized, Message: "Permission denied to delete the stack", Err: httperrors.ErrUnauthorized}
}
stack, err := handler.DataStore.Stack().StackByName(stackName)
if err != nil && !handler.DataStore.IsErrObjectNotFound(err) {
return httperror.InternalServerError("Unable to check for stack existence inside the database", err)
}
if stack != nil {
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"))
}
endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
if handler.DataStore.IsErrObjectNotFound(err) {
return httperror.NotFound("Unable to find the endpoint associated to the stack inside the database", err)
} else if err != nil {
return httperror.InternalServerError("Unable to find the endpoint associated to the stack inside the database", err)
}
err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint)
if err != nil {
return httperror.Forbidden("Permission denied to access endpoint", err)
}
stack = &portainer.Stack{
Name: stackName,
Type: portainer.DockerSwarmStack,
}
err = handler.deleteStack(securityContext.UserID, stack, endpoint)
if err != nil {
return httperror.InternalServerError("Unable to delete stack", err)
}
return response.Empty(w)
}
func (handler *Handler) deleteStack(userID portainer.UserID, stack *portainer.Stack, endpoint *portainer.Endpoint) error {
if stack.Type == portainer.DockerSwarmStack {
stack.Name = handler.SwarmStackManager.NormalizeStackName(stack.Name)
if stackutils.IsRelativePathStack(stack) {
return handler.StackDeployer.UndeployRemoteSwarmStack(stack, endpoint)
}
return handler.SwarmStackManager.Remove(stack, endpoint)
}
if stack.Type == portainer.DockerComposeStack {
stack.Name = handler.ComposeStackManager.NormalizeStackName(stack.Name)
if stackutils.IsRelativePathStack(stack) {
return handler.StackDeployer.UndeployRemoteComposeStack(stack, endpoint)
}
return handler.ComposeStackManager.Down(context.TODO(), stack, endpoint)
}
if stack.Type == portainer.KubernetesStack {
var manifestFiles []string
//if it is a compose format kub stack, create a temp dir and convert the manifest files into it
//then process the remove operation
if stack.IsComposeFormat {
fileNames := stackutils.GetStackFilePaths(stack, false)
tmpDir, err := os.MkdirTemp("", "kube_delete")
if err != nil {
return errors.Wrap(err, "failed to create temp directory for deleting kub stack")
}
defer os.RemoveAll(tmpDir)
for _, fileName := range fileNames {
manifestFilePath := filesystem.JoinPaths(tmpDir, fileName)
manifestContent, err := handler.FileService.GetFileContent(stack.ProjectPath, fileName)
if err != nil {
return errors.Wrap(err, "failed to read manifest file")
}
manifestContent, err = handler.KubernetesDeployer.ConvertCompose(manifestContent)
if err != nil {
return errors.Wrap(err, "failed to convert docker compose file to a kube manifest")
}
err = filesystem.WriteToFile(manifestFilePath, []byte(manifestContent))
if err != nil {
return errors.Wrap(err, "failed to create temp manifest file")
}
manifestFiles = append(manifestFiles, manifestFilePath)
}
} else {
manifestFiles = stackutils.GetStackFilePaths(stack, true)
}
out, err := handler.KubernetesDeployer.Remove(userID, endpoint, manifestFiles, stack.Namespace)
return errors.WithMessagef(err, "failed to remove kubernetes resources: %q", out)
}
return fmt.Errorf("unsupported stack type: %v", stack.Type)
}