2018-06-19 15:28:40 +00:00
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package stacks
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import (
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"net/http"
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2018-09-10 10:01:38 +00:00
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httperror "github.com/portainer/libhttp/error"
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"github.com/portainer/libhttp/request"
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"github.com/portainer/libhttp/response"
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2018-06-19 15:28:40 +00:00
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"github.com/portainer/portainer"
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"github.com/portainer/portainer/http/proxy"
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"github.com/portainer/portainer/http/security"
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)
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type stackMigratePayload struct {
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EndpointID int
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SwarmID string
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2018-10-01 01:36:49 +00:00
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Name string
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2018-06-19 15:28:40 +00:00
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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 portainer.Error("Invalid endpoint identifier. Must be a positive number")
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}
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return nil
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}
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2018-06-20 18:02:53 +00:00
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// POST request on /api/stacks/:id/migrate?endpointId=<endpointId>
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2018-06-19 15:28:40 +00:00
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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.HandlerError{http.StatusBadRequest, "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.HandlerError{http.StatusBadRequest, "Invalid request payload", err}
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}
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stack, err := handler.StackService.Stack(portainer.StackID(stackID))
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if err == portainer.ErrObjectNotFound {
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return &httperror.HandlerError{http.StatusNotFound, "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.HandlerError{http.StatusInternalServerError, "Unable to find a stack with the specified identifier inside the database", err}
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}
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resourceControl, err := handler.ResourceControlService.ResourceControlByResourceID(stack.Name)
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if err != nil && err != portainer.ErrObjectNotFound {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve a resource control associated to the stack", 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.HandlerError{http.StatusInternalServerError, "Unable to retrieve info from request context", err}
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}
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2018-08-19 05:57:28 +00:00
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if !securityContext.IsAdmin {
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if !proxy.CanAccessStack(stack, resourceControl, securityContext.UserID, securityContext.UserMemberships) {
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2018-06-19 15:28:40 +00:00
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return &httperror.HandlerError{http.StatusForbidden, "Access denied to resource", portainer.ErrResourceAccessDenied}
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}
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}
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2018-06-20 18:02:53 +00:00
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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 endpoint
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// can use the optional EndpointID query parameter to associate a valid 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.HandlerError{http.StatusBadRequest, "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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2018-06-19 15:28:40 +00:00
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endpoint, err := handler.EndpointService.Endpoint(stack.EndpointID)
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if err == portainer.ErrObjectNotFound {
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return &httperror.HandlerError{http.StatusNotFound, "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.HandlerError{http.StatusInternalServerError, "Unable to find the endpoint associated to the stack inside the database", err}
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}
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targetEndpoint, err := handler.EndpointService.Endpoint(portainer.EndpointID(payload.EndpointID))
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if err == portainer.ErrObjectNotFound {
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return &httperror.HandlerError{http.StatusNotFound, "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.HandlerError{http.StatusInternalServerError, "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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2018-10-01 01:36:49 +00:00
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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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2018-06-19 15:28:40 +00:00
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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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2018-10-01 01:36:49 +00:00
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stack.Name = oldName
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2018-06-19 15:28:40 +00:00
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err = handler.deleteStack(stack, endpoint)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, err.Error(), err}
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}
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err = handler.StackService.UpdateStack(stack.ID, stack)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist the stack changes inside the database", err}
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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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config, configErr := handler.createComposeDeployConfig(r, stack, next)
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if configErr != nil {
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return configErr
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}
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err := handler.deployComposeStack(config)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, 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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config, configErr := handler.createSwarmDeployConfig(r, stack, next, true)
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if configErr != nil {
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return configErr
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}
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err := handler.deploySwarmStack(config)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, err.Error(), err}
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}
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return nil
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}
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