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repository.go
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repository.go
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package repository
import (
"fmt"
"hash/fnv"
"strings"
"github.com/argoproj/argo-cd/common"
appsv1 "github.com/argoproj/argo-cd/pkg/apis/application/v1alpha1"
appclientset "github.com/argoproj/argo-cd/pkg/client/clientset/versioned"
"github.com/argoproj/argo-cd/util/git"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
apiv1 "k8s.io/api/core/v1"
apierr "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/selection"
"k8s.io/client-go/kubernetes"
)
// Server provides a Repository service
type Server struct {
ns string
kubeclientset kubernetes.Interface
appclientset appclientset.Interface
}
// NewServer returns a new instance of the Repository service
func NewServer(namespace string, kubeclientset kubernetes.Interface, appclientset appclientset.Interface) *Server {
return &Server{
ns: namespace,
appclientset: appclientset,
kubeclientset: kubeclientset,
}
}
// List returns list of repositories
func (s *Server) List(ctx context.Context, q *RepoQuery) (*appsv1.RepositoryList, error) {
listOpts := metav1.ListOptions{}
labelSelector := labels.NewSelector()
req, err := labels.NewRequirement(common.LabelKeySecretType, selection.Equals, []string{common.SecretTypeRepository})
if err != nil {
return nil, err
}
labelSelector = labelSelector.Add(*req)
listOpts.LabelSelector = labelSelector.String()
repoSecrets, err := s.kubeclientset.CoreV1().Secrets(s.ns).List(listOpts)
if err != nil {
return nil, err
}
repoList := appsv1.RepositoryList{
Items: make([]appsv1.Repository, len(repoSecrets.Items)),
}
for i, repoSec := range repoSecrets.Items {
repoList.Items[i] = *secretToRepo(&repoSec)
}
return &repoList, nil
}
// Create creates a repository
func (s *Server) Create(ctx context.Context, r *appsv1.Repository) (*appsv1.Repository, error) {
shallowCopy := *r
r = &shallowCopy
r.Repo = git.NormalizeGitURL(r.Repo)
err := git.TestRepo(r.Repo, r.Username, r.Password, r.SSHPrivateKey)
if err != nil {
return nil, err
}
secName := repoURLToSecretName(r.Repo)
repoSecret := &apiv1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: secName,
Labels: map[string]string{
common.LabelKeySecretType: common.SecretTypeRepository,
},
},
}
repoSecret.StringData = repoToStringData(r)
repoSecret, err = s.kubeclientset.CoreV1().Secrets(s.ns).Create(repoSecret)
if err != nil {
if apierr.IsAlreadyExists(err) {
return nil, grpc.Errorf(codes.AlreadyExists, "repository '%s' already exists", r.Repo)
}
return nil, err
}
return secretToRepo(repoSecret), nil
}
func (s *Server) getRepoSecret(repo string) (*apiv1.Secret, error) {
secName := repoURLToSecretName(repo)
repoSecret, err := s.kubeclientset.CoreV1().Secrets(s.ns).Get(secName, metav1.GetOptions{})
if err != nil {
if apierr.IsNotFound(err) {
return nil, grpc.Errorf(codes.NotFound, "repo '%s' not found", repo)
}
return nil, err
}
return repoSecret, nil
}
// Get returns a repository by URL
func (s *Server) Get(ctx context.Context, q *RepoQuery) (*appsv1.Repository, error) {
repoSecret, err := s.getRepoSecret(q.Repo)
if err != nil {
return nil, err
}
return secretToRepo(repoSecret), nil
}
// Update updates a repository
func (s *Server) Update(ctx context.Context, r *appsv1.Repository) (*appsv1.Repository, error) {
err := git.TestRepo(r.Repo, r.Username, r.Password, r.SSHPrivateKey)
if err != nil {
return nil, err
}
repoSecret, err := s.getRepoSecret(r.Repo)
if err != nil {
return nil, err
}
repoSecret.StringData = repoToStringData(r)
repoSecret, err = s.kubeclientset.CoreV1().Secrets(s.ns).Update(repoSecret)
if err != nil {
return nil, err
}
return secretToRepo(repoSecret), nil
}
// UpdateREST updates a repository (from a REST request)
func (s *Server) UpdateREST(ctx context.Context, r *RepoUpdateRequest) (*appsv1.Repository, error) {
return s.Update(ctx, r.Repo)
}
// Delete updates a repository
func (s *Server) Delete(ctx context.Context, q *RepoQuery) (*RepoResponse, error) {
secName := repoURLToSecretName(q.Repo)
err := s.kubeclientset.CoreV1().Secrets(s.ns).Delete(secName, &metav1.DeleteOptions{})
return &RepoResponse{}, err
}
// repoURLToSecretName hashes repo URL to the secret name using a formula.
// Part of the original repo name is incorporated for debugging purposes
func repoURLToSecretName(repo string) string {
repo = git.NormalizeGitURL(repo)
h := fnv.New32a()
_, _ = h.Write([]byte(repo))
parts := strings.Split(strings.TrimSuffix(repo, ".git"), "/")
return fmt.Sprintf("repo-%s-%v", strings.ToLower(parts[len(parts)-1]), h.Sum32())
}
// repoToStringData converts a repository object to string data for serialization to a secret
func repoToStringData(r *appsv1.Repository) map[string]string {
return map[string]string{
"repository": r.Repo,
"username": r.Username,
"password": r.Password,
"sshPrivateKey": r.SSHPrivateKey,
}
}
// secretToRepo converts a secret into a repository object
func secretToRepo(s *apiv1.Secret) *appsv1.Repository {
return &appsv1.Repository{
Repo: string(s.Data["repository"]),
Username: string(s.Data["username"]),
Password: string(s.Data["password"]),
SSHPrivateKey: string(s.Data["sshPrivateKey"]),
}
}