mirror of https://github.com/portainer/portainer
246 lines
9.2 KiB
Go
246 lines
9.2 KiB
Go
package stacks
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import (
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"errors"
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"fmt"
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"net/http"
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portainer "github.com/portainer/portainer/api"
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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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)
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type stackMigratePayload struct {
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// Environment(Endpoint) identifier of the target environment(endpoint) where the stack will be relocated
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EndpointID int `example:"2" validate:"required"`
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// Swarm cluster identifier, must match the identifier of the cluster where the stack will be relocated
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SwarmID string `example:"jpofkc0i9uo9wtx1zesuk649w"`
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// If provided will rename the migrated stack
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Name string `example:"new-stack"`
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}
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func (payload *stackMigratePayload) Validate(r *http.Request) error {
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if payload.EndpointID == 0 {
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return errors.New("Invalid environment identifier. Must be a positive number")
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}
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return nil
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}
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// @id StackMigrate
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// @summary Migrate a stack to another environment(endpoint)
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// @description Migrate a stack from an environment(endpoint) to another environment(endpoint). It will re-create the stack inside the target environment(endpoint) before removing the original stack.
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// @description **Access policy**: authenticated
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// @tags stacks
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// @security ApiKeyAuth
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// @security jwt
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// @produce json
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// @param id path int true "Stack identifier"
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// @param endpointId query int false "Stacks created before version 1.18.0 might not have an associated environment(endpoint) identifier. Use this optional parameter to set the environment(endpoint) identifier used by the stack."
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// @param body body stackMigratePayload true "Stack migration details"
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// @success 200 {object} portainer.Stack "Success"
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// @failure 400 "Invalid request"
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// @failure 403 "Permission denied"
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// @failure 404 "Stack not found"
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// @failure 500 "Server error"
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// @router /stacks/{id}/migrate [post]
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func (handler *Handler) stackMigrate(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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stackID, err := request.RetrieveNumericRouteVariableValue(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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var payload stackMigratePayload
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err = request.DecodeAndValidateJSONPayload(r, &payload)
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if err != nil {
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return httperror.BadRequest("Invalid request payload", err)
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}
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stack, err := handler.DataStore.Stack().Read(portainer.StackID(stackID))
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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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if stack.Type == portainer.KubernetesStack {
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return httperror.BadRequest("Migrating a kubernetes stack is not supported", err)
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}
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endpoint, err := handler.DataStore.Endpoint().Endpoint(stack.EndpointID)
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if handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.NotFound("Unable to find an endpoint 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 an endpoint with the specified identifier inside the database", err)
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}
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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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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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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 migration 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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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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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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// TODO: this is a work-around for stacks created with Portainer version >= 1.17.1
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// The EndpointID property is not available for these stacks, this API environment(endpoint)
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// can use the optional EndpointID query parameter to associate a valid environment(endpoint) identifier to the stack.
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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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if endpointID != int(stack.EndpointID) {
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stack.EndpointID = portainer.EndpointID(endpointID)
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}
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targetEndpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(payload.EndpointID))
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if handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.NotFound("Unable to find an endpoint 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 an endpoint with the specified identifier inside the database", err)
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}
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stack.EndpointID = portainer.EndpointID(payload.EndpointID)
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if payload.SwarmID != "" {
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stack.SwarmID = payload.SwarmID
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}
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oldName := stack.Name
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if payload.Name != "" {
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stack.Name = payload.Name
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}
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isUnique, err := handler.checkUniqueStackNameInDocker(targetEndpoint, stack.Name, stack.ID, stack.SwarmID != "")
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if err != nil {
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return httperror.InternalServerError("Unable to check for name collision", err)
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}
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if !isUnique {
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errorMessage := fmt.Sprintf("A stack with the name '%s' is already running on endpoint '%s'", stack.Name, targetEndpoint.Name)
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return httperror.Conflict(errorMessage, errors.New(errorMessage))
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}
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migrationError := handler.migrateStack(r, stack, targetEndpoint)
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if migrationError != nil {
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return migrationError
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}
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newName := stack.Name
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stack.Name = oldName
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err = handler.deleteStack(securityContext.UserID, stack, endpoint)
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if err != nil {
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return httperror.InternalServerError(err.Error(), err)
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}
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stack.Name = newName
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err = handler.DataStore.Stack().Update(stack.ID, stack)
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if err != nil {
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return httperror.InternalServerError("Unable to persist the stack changes inside the database", err)
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}
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if resourceControl != nil {
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resourceControl.ResourceID = stackutils.ResourceControlID(stack.EndpointID, stack.Name)
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err := handler.DataStore.ResourceControl().Update(resourceControl.ID, resourceControl)
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if err != nil {
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return httperror.InternalServerError("Unable to persist the resource control changes", err)
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}
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}
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if stack.GitConfig != nil && stack.GitConfig.Authentication != nil && stack.GitConfig.Authentication.Password != "" {
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// sanitize password in the http response to minimise possible security leaks
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stack.GitConfig.Authentication.Password = ""
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}
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return response.JSON(w, stack)
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}
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func (handler *Handler) migrateStack(r *http.Request, stack *portainer.Stack, next *portainer.Endpoint) *httperror.HandlerError {
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if stack.Type == portainer.DockerSwarmStack {
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return handler.migrateSwarmStack(r, stack, next)
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}
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return handler.migrateComposeStack(r, stack, next)
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}
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func (handler *Handler) migrateComposeStack(r *http.Request, stack *portainer.Stack, next *portainer.Endpoint) *httperror.HandlerError {
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// Create compose deployment config
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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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composeDeploymentConfig, err := deployments.CreateComposeStackDeploymentConfig(securityContext,
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stack,
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next,
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handler.DataStore,
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handler.FileService,
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handler.StackDeployer,
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false,
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false)
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if err != nil {
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return httperror.InternalServerError(err.Error(), err)
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}
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// Deploy the stack
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err = composeDeploymentConfig.Deploy()
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if err != nil {
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return httperror.InternalServerError(err.Error(), err)
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}
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return nil
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}
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func (handler *Handler) migrateSwarmStack(r *http.Request, stack *portainer.Stack, next *portainer.Endpoint) *httperror.HandlerError {
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// Create swarm deployment config
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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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swarmDeploymentConfig, err := deployments.CreateSwarmStackDeploymentConfig(securityContext,
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stack,
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next,
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handler.DataStore,
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handler.FileService,
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handler.StackDeployer,
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true,
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true)
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if err != nil {
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return httperror.InternalServerError(err.Error(), err)
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}
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// Deploy the stack
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err = swarmDeploymentConfig.Deploy()
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if err != nil {
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return httperror.InternalServerError(err.Error(), err)
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}
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return nil
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}
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