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

238 lines
10 KiB

package stacks
import (
"fmt"
"log"
"net/http"
"time"
"github.com/asaskevich/govalidator"
"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"
bolterrors "github.com/portainer/portainer/api/bolt/errors"
"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/internal/stackutils"
k "github.com/portainer/portainer/api/kubernetes"
)
type stackGitRedployPayload struct {
RepositoryReferenceName string
RepositoryAuthentication bool
RepositoryUsername string
RepositoryPassword string
Env []portainer.Pair
}
func (payload *stackGitRedployPayload) Validate(r *http.Request) error {
if govalidator.IsNull(payload.RepositoryReferenceName) {
payload.RepositoryReferenceName = defaultGitReferenceName
}
return nil
}
// @id StackGitRedeploy
// @summary Redeploy a stack
// @description Pull and redeploy a stack via Git
// @description **Access policy**: authenticated
// @tags stacks
// @security ApiKeyAuth
// @security jwt
// @accept json
// @produce json
// @param id path int true "Stack identifier"
// @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."
// @param body body stackGitRedployPayload true "Git configs for pull and redeploy a stack"
// @success 200 {object} portainer.Stack "Success"
// @failure 400 "Invalid request"
// @failure 403 "Permission denied"
// @failure 404 "Not found"
// @failure 500 "Server error"
// @router /stacks/{id}/git/redeploy [put]
func (handler *Handler) stackGitRedeploy(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
stackID, err := request.RetrieveNumericRouteVariableValue(r, "id")
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid stack identifier route variable", Err: err}
}
stack, err := handler.DataStore.Stack().Stack(portainer.StackID(stackID))
if err == bolterrors.ErrObjectNotFound {
return &httperror.HandlerError{StatusCode: http.StatusNotFound, Message: "Unable to find a stack with the specified identifier inside the database", Err: err}
} else if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to find a stack with the specified identifier inside the database", Err: err}
}
if stack.GitConfig == nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Stack is not created from git", Err: err}
}
// TODO: this is a work-around for stacks created with Portainer version >= 1.17.1
// The EndpointID property is not available for these stacks, this API environment(endpoint)
// can use the optional EndpointID query parameter to associate a valid environment(endpoint) identifier to the stack.
endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", true)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid query parameter: endpointId", Err: err}
}
if endpointID != int(stack.EndpointID) {
stack.EndpointID = portainer.EndpointID(endpointID)
}
endpoint, err := handler.DataStore.Endpoint().Endpoint(stack.EndpointID)
if err == bolterrors.ErrObjectNotFound {
return &httperror.HandlerError{StatusCode: http.StatusNotFound, Message: "Unable to find the environment associated to the stack inside the database", Err: err}
} else if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to find the environment associated to the stack inside the database", Err: err}
}
err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusForbidden, Message: "Permission denied to access environment", Err: err}
}
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to retrieve info from request context", Err: err}
}
//only check resource control when it is a DockerSwarmStack or a DockerComposeStack
if stack.Type == portainer.DockerSwarmStack || stack.Type == portainer.DockerComposeStack {
resourceControl, err := handler.DataStore.ResourceControl().ResourceControlByResourceIDAndType(stackutils.ResourceControlID(stack.EndpointID, stack.Name), portainer.StackResourceControl)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to retrieve a resource control associated to the stack", Err: err}
}
access, err := handler.userCanAccessStack(securityContext, endpoint.ID, resourceControl)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to verify user authorizations to validate stack access", Err: err}
}
if !access {
return &httperror.HandlerError{StatusCode: http.StatusForbidden, Message: "Access denied to resource", Err: httperrors.ErrResourceAccessDenied}
}
}
var payload stackGitRedployPayload
err = request.DecodeAndValidateJSONPayload(r, &payload)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid request payload", Err: err}
}
stack.GitConfig.ReferenceName = payload.RepositoryReferenceName
stack.Env = payload.Env
backupProjectPath := fmt.Sprintf("%s-old", stack.ProjectPath)
err = filesystem.MoveDirectory(stack.ProjectPath, backupProjectPath)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to move git repository directory", Err: err}
}
repositoryUsername := ""
repositoryPassword := ""
if payload.RepositoryAuthentication {
repositoryPassword = payload.RepositoryPassword
if repositoryPassword == "" && stack.GitConfig != nil && stack.GitConfig.Authentication != nil {
repositoryPassword = stack.GitConfig.Authentication.Password
}
repositoryUsername = payload.RepositoryUsername
}
err = handler.GitService.CloneRepository(stack.ProjectPath, stack.GitConfig.URL, payload.RepositoryReferenceName, repositoryUsername, repositoryPassword)
if err != nil {
restoreError := filesystem.MoveDirectory(backupProjectPath, stack.ProjectPath)
if restoreError != nil {
log.Printf("[WARN] [http,stacks,git] [error: %s] [message: failed restoring backup folder]", restoreError)
}
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to clone git repository", Err: err}
}
defer func() {
err = handler.FileService.RemoveDirectory(backupProjectPath)
if err != nil {
log.Printf("[WARN] [http,stacks,git] [error: %s] [message: unable to remove git repository directory]", err)
}
}()
httpErr := handler.deployStack(r, stack, endpoint)
if httpErr != nil {
return httpErr
}
newHash, err := handler.GitService.LatestCommitID(stack.GitConfig.URL, stack.GitConfig.ReferenceName, repositoryUsername, repositoryPassword)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable get latest commit id", Err: errors.WithMessagef(err, "failed to fetch latest commit id of the stack %v", stack.ID)}
}
stack.GitConfig.ConfigHash = newHash
user, err := handler.DataStore.User().User(securityContext.UserID)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Cannot find context user", Err: errors.Wrap(err, "failed to fetch the user")}
}
stack.UpdatedBy = user.Username
stack.UpdateDate = time.Now().Unix()
stack.Status = portainer.StackStatusActive
err = handler.DataStore.Stack().UpdateStack(stack.ID, stack)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to persist the stack changes inside the database", Err: errors.Wrap(err, "failed to update the stack")}
}
if stack.GitConfig != nil && stack.GitConfig.Authentication != nil && stack.GitConfig.Authentication.Password != "" {
// sanitize password in the http response to minimise possible security leaks
stack.GitConfig.Authentication.Password = ""
}
return response.JSON(w, stack)
}
func (handler *Handler) deployStack(r *http.Request, stack *portainer.Stack, endpoint *portainer.Endpoint) *httperror.HandlerError {
switch stack.Type {
case portainer.DockerSwarmStack:
config, httpErr := handler.createSwarmDeployConfig(r, stack, endpoint, false)
if httpErr != nil {
return httpErr
}
if err := handler.deploySwarmStack(config); err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: err.Error(), Err: err}
}
case portainer.DockerComposeStack:
config, httpErr := handler.createComposeDeployConfig(r, stack, endpoint)
if httpErr != nil {
return httpErr
}
if err := handler.deployComposeStack(config); err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: err.Error(), Err: err}
}
case portainer.KubernetesStack:
if stack.Namespace == "" {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Invalid namespace", Err: errors.New("Namespace must not be empty when redeploying kubernetes stacks")}
}
tokenData, err := security.RetrieveTokenData(r)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Failed to retrieve user token data", Err: err}
}
_, err = handler.deployKubernetesStack(tokenData.ID, endpoint, stack, k.KubeAppLabels{
StackID: int(stack.ID),
StackName: stack.Name,
Owner: tokenData.Username,
Kind: "git",
})
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to redeploy Kubernetes stack", Err: errors.WithMessage(err, "failed to deploy kube application")}
}
default:
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unsupported stack", Err: errors.Errorf("unsupported stack type: %v", stack.Type)}
}
return nil
}