portainer/api/http/handler/helm/handler.go

113 lines
4.2 KiB
Go

package helm
import (
"net/http"
"github.com/gorilla/mux"
"github.com/portainer/libhelm"
"github.com/portainer/libhelm/options"
httperror "github.com/portainer/libhttp/error"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/http/middlewares"
"github.com/portainer/portainer/api/http/security"
"github.com/portainer/portainer/api/kubernetes"
)
const (
handlerActivityContext = "Kubernetes"
)
type requestBouncer interface {
AuthenticatedAccess(h http.Handler) http.Handler
}
// Handler is the HTTP handler used to handle environment(endpoint) group operations.
type Handler struct {
*mux.Router
requestBouncer requestBouncer
dataStore portainer.DataStore
jwtService portainer.JWTService
kubeConfigService kubernetes.KubeConfigService
kubernetesDeployer portainer.KubernetesDeployer
helmPackageManager libhelm.HelmPackageManager
}
// NewHandler creates a handler to manage endpoint group operations.
func NewHandler(bouncer requestBouncer, dataStore portainer.DataStore, jwtService portainer.JWTService, kubernetesDeployer portainer.KubernetesDeployer, helmPackageManager libhelm.HelmPackageManager, kubeConfigService kubernetes.KubeConfigService) *Handler {
h := &Handler{
Router: mux.NewRouter(),
requestBouncer: bouncer,
dataStore: dataStore,
jwtService: jwtService,
kubernetesDeployer: kubernetesDeployer,
helmPackageManager: helmPackageManager,
kubeConfigService: kubeConfigService,
}
h.Use(middlewares.WithEndpoint(dataStore.Endpoint(), "id"))
// `helm list -o json`
h.Handle("/{id}/kubernetes/helm",
bouncer.AuthenticatedAccess(httperror.LoggerHandler(h.helmList))).Methods(http.MethodGet)
// `helm delete RELEASE_NAME`
h.Handle("/{id}/kubernetes/helm/{release}",
bouncer.AuthenticatedAccess(httperror.LoggerHandler(h.helmDelete))).Methods(http.MethodDelete)
// `helm install [NAME] [CHART] flags`
h.Handle("/{id}/kubernetes/helm",
bouncer.AuthenticatedAccess(httperror.LoggerHandler(h.helmInstall))).Methods(http.MethodPost)
h.Handle("/{id}/kubernetes/helm/repositories",
bouncer.AuthenticatedAccess(httperror.LoggerHandler(h.userGetHelmRepos))).Methods(http.MethodGet)
h.Handle("/{id}/kubernetes/helm/repositories",
bouncer.AuthenticatedAccess(httperror.LoggerHandler(h.userCreateHelmRepo))).Methods(http.MethodPost)
return h
}
// NewTemplateHandler creates a template handler to manage environment(endpoint) group operations.
func NewTemplateHandler(bouncer requestBouncer, helmPackageManager libhelm.HelmPackageManager) *Handler {
h := &Handler{
Router: mux.NewRouter(),
helmPackageManager: helmPackageManager,
requestBouncer: bouncer,
}
h.Handle("/templates/helm",
bouncer.AuthenticatedAccess(httperror.LoggerHandler(h.helmRepoSearch))).Methods(http.MethodGet)
// helm show [COMMAND] [CHART] [REPO] flags
h.Handle("/templates/helm/{command:chart|values|readme}",
bouncer.AuthenticatedAccess(httperror.LoggerHandler(h.helmShow))).Methods(http.MethodGet)
return h
}
// getHelmClusterAccess obtains the core k8s cluster access details from request.
// The cluster access includes the cluster server url, the user's bearer token and the tls certificate.
// The cluster access is passed in as kube config CLI params to helm binary.
func (handler *Handler) getHelmClusterAccess(r *http.Request) (*options.KubernetesClusterAccess, *httperror.HandlerError) {
endpoint, err := middlewares.FetchEndpoint(r)
if err != nil {
return nil, &httperror.HandlerError{http.StatusNotFound, "Unable to find an environment on request context", err}
}
tokenData, err := security.RetrieveTokenData(r)
if err != nil {
return nil, &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve user authentication token", err}
}
bearerToken, err := handler.jwtService.GenerateToken(tokenData)
if err != nil {
return nil, &httperror.HandlerError{http.StatusUnauthorized, "Unauthorized", err}
}
kubeConfigInternal := handler.kubeConfigService.GetKubeConfigInternal(endpoint.ID, bearerToken)
return &options.KubernetesClusterAccess{
ClusterServerURL: kubeConfigInternal.ClusterServerURL,
CertificateAuthorityFile: kubeConfigInternal.CertificateAuthorityFile,
AuthToken: kubeConfigInternal.AuthToken,
}, nil
}