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repository.go
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repository.go
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package db
import (
"context"
"fmt"
"hash/fnv"
log "github.com/sirupsen/logrus"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
apiv1 "k8s.io/api/core/v1"
appsv1 "github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
appv1 "github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
"github.com/argoproj/argo-cd/v2/util/settings"
)
const (
// Prefix to use for naming repository secrets
repoSecretPrefix = "repo"
// Prefix to use for naming credential template secrets
credSecretPrefix = "creds"
// The name of the key storing the username in the secret
username = "username"
// The name of the key storing the password in the secret
password = "password"
// The name of the project storing the project in the secret
project = "project"
// The name of the key storing the SSH private in the secret
sshPrivateKey = "sshPrivateKey"
// The name of the key storing the TLS client cert data in the secret
tlsClientCertData = "tlsClientCertData"
// The name of the key storing the TLS client cert key in the secret
tlsClientCertKey = "tlsClientCertKey"
// The name of the key storing the GitHub App private key in the secret
githubAppPrivateKey = "githubAppPrivateKey"
// The name of the key storing the service account to access Google Cloud Source repositories
gcpServiceAccountKey = "gcpServiceAccountKey"
)
// repositoryBackend defines the API for types that wish to provide interaction with repository storage
type repositoryBackend interface {
CreateRepository(ctx context.Context, r *appsv1.Repository) (*appsv1.Repository, error)
GetRepository(ctx context.Context, repoURL, project string) (*appsv1.Repository, error)
ListRepositories(ctx context.Context, repoType *string) ([]*appsv1.Repository, error)
UpdateRepository(ctx context.Context, r *appsv1.Repository) (*appsv1.Repository, error)
DeleteRepository(ctx context.Context, repoURL, project string) error
RepositoryExists(ctx context.Context, repoURL, project string, allowFallback bool) (bool, error)
CreateRepoCreds(ctx context.Context, r *appsv1.RepoCreds) (*appsv1.RepoCreds, error)
GetRepoCreds(ctx context.Context, repoURL string) (*appsv1.RepoCreds, error)
ListRepoCreds(ctx context.Context) ([]string, error)
UpdateRepoCreds(ctx context.Context, r *appsv1.RepoCreds) (*appsv1.RepoCreds, error)
DeleteRepoCreds(ctx context.Context, name string) error
RepoCredsExists(ctx context.Context, repoURL string) (bool, error)
GetAllHelmRepoCreds(ctx context.Context) ([]*appsv1.RepoCreds, error)
}
func (db *db) CreateRepository(ctx context.Context, r *appsv1.Repository) (*appsv1.Repository, error) {
secretBackend := db.repoBackend()
legacyBackend := db.legacyRepoBackend()
secretExists, err := secretBackend.RepositoryExists(ctx, r.Repo, r.Project, false)
if err != nil {
return nil, err
}
legacyExists, err := legacyBackend.RepositoryExists(ctx, r.Repo, r.Project, false)
if err != nil {
return nil, err
}
if secretExists || legacyExists {
return nil, status.Errorf(codes.AlreadyExists, "repository %q already exists", r.Repo)
}
return secretBackend.CreateRepository(ctx, r)
}
func (db *db) GetRepository(ctx context.Context, repoURL, project string) (*appsv1.Repository, error) {
repository, err := db.getRepository(ctx, repoURL, project)
if err != nil {
return repository, fmt.Errorf("unable to get repository %q: %w", repoURL, err)
}
if err := db.enrichCredsToRepo(ctx, repository); err != nil {
return repository, fmt.Errorf("unable to enrich repository %q info with credentials: %w", repoURL, err)
}
return repository, err
}
func (db *db) GetProjectRepositories(ctx context.Context, project string) ([]*appsv1.Repository, error) {
informer, err := db.settingsMgr.GetSecretsInformer()
if err != nil {
return nil, err
}
secrets, err := informer.GetIndexer().ByIndex(settings.ByProjectRepoIndexer, project)
if err != nil {
return nil, err
}
var res []*appv1.Repository
for i := range secrets {
repo, err := secretToRepository(secrets[i].(*apiv1.Secret))
if err != nil {
return nil, err
}
res = append(res, repo)
}
return res, nil
}
func (db *db) RepositoryExists(ctx context.Context, repoURL, project string) (bool, error) {
secretsBackend := db.repoBackend()
exists, err := secretsBackend.RepositoryExists(ctx, repoURL, project, true)
if exists || err != nil {
return exists, err
}
legacyBackend := db.legacyRepoBackend()
return legacyBackend.RepositoryExists(ctx, repoURL, project, true)
}
func (db *db) getRepository(ctx context.Context, repoURL, project string) (*appsv1.Repository, error) {
secretsBackend := db.repoBackend()
exists, err := secretsBackend.RepositoryExists(ctx, repoURL, project, true)
if err != nil {
return nil, fmt.Errorf("unable to check if repository %q exists from secrets backend: %w", repoURL, err)
} else if exists {
repository, err := secretsBackend.GetRepository(ctx, repoURL, project)
if err != nil {
return nil, fmt.Errorf("unable to get repository %q from secrets backend: %w", repoURL, err)
}
return repository, nil
}
legacyBackend := db.legacyRepoBackend()
exists, err = legacyBackend.RepositoryExists(ctx, repoURL, project, true)
if err != nil {
return nil, fmt.Errorf("unable to check if repository %q exists from legacy backend: %w", repoURL, err)
} else if exists {
repository, err := legacyBackend.GetRepository(ctx, repoURL, project)
if err != nil {
return nil, fmt.Errorf("unable to get repository %q from legacy backend: %w", repoURL, err)
}
return repository, nil
}
return &appsv1.Repository{Repo: repoURL}, nil
}
func (db *db) ListRepositories(ctx context.Context) ([]*appsv1.Repository, error) {
return db.listRepositories(ctx, nil)
}
func (db *db) listRepositories(ctx context.Context, repoType *string) ([]*appsv1.Repository, error) {
// TODO It would be nice to check for duplicates between secret and legacy repositories and make it so that
// repositories from secrets overlay repositories from legacys.
secretRepositories, err := db.repoBackend().ListRepositories(ctx, repoType)
if err != nil {
return nil, err
}
legacyRepositories, err := db.legacyRepoBackend().ListRepositories(ctx, repoType)
if err != nil {
return nil, err
}
repositories := append(secretRepositories, legacyRepositories...)
if err := db.enrichCredsToRepos(ctx, repositories); err != nil {
return nil, err
}
return repositories, nil
}
// UpdateRepository updates a repository
func (db *db) UpdateRepository(ctx context.Context, r *appsv1.Repository) (*appsv1.Repository, error) {
secretsBackend := db.repoBackend()
exists, err := secretsBackend.RepositoryExists(ctx, r.Repo, r.Project, false)
if err != nil {
return nil, err
} else if exists {
return secretsBackend.UpdateRepository(ctx, r)
}
legacyBackend := db.legacyRepoBackend()
exists, err = legacyBackend.RepositoryExists(ctx, r.Repo, r.Project, false)
if err != nil {
return nil, err
} else if exists {
return legacyBackend.UpdateRepository(ctx, r)
}
return nil, status.Errorf(codes.NotFound, "repo '%s' not found", r.Repo)
}
func (db *db) DeleteRepository(ctx context.Context, repoURL, project string) error {
secretsBackend := db.repoBackend()
exists, err := secretsBackend.RepositoryExists(ctx, repoURL, project, false)
if err != nil {
return err
} else if exists {
return secretsBackend.DeleteRepository(ctx, repoURL, project)
}
legacyBackend := db.legacyRepoBackend()
exists, err = legacyBackend.RepositoryExists(ctx, repoURL, project, false)
if err != nil {
return err
} else if exists {
return legacyBackend.DeleteRepository(ctx, repoURL, project)
}
return status.Errorf(codes.NotFound, "repo '%s' not found", repoURL)
}
// ListRepositoryCredentials returns a list of URLs that contain repo credential sets
func (db *db) ListRepositoryCredentials(ctx context.Context) ([]string, error) {
// TODO It would be nice to check for duplicates between secret and legacy repositories and make it so that
// repositories from secrets overlay repositories from legacys.
secretRepoCreds, err := db.repoBackend().ListRepoCreds(ctx)
if err != nil {
return nil, err
}
legacyRepoCreds, err := db.legacyRepoBackend().ListRepoCreds(ctx)
if err != nil {
return nil, err
}
return append(secretRepoCreds, legacyRepoCreds...), nil
}
// GetRepositoryCredentials retrieves a repository credential set
func (db *db) GetRepositoryCredentials(ctx context.Context, repoURL string) (*appsv1.RepoCreds, error) {
secretsBackend := db.repoBackend()
exists, err := secretsBackend.RepoCredsExists(ctx, repoURL)
if err != nil {
return nil, fmt.Errorf("unable to check if repository credentials for %q exists from secrets backend: %w", repoURL, err)
} else if exists {
creds, err := secretsBackend.GetRepoCreds(ctx, repoURL)
if err != nil {
return nil, fmt.Errorf("unable to get repository credentials for %q from secrets backend: %w", repoURL, err)
}
return creds, nil
}
legacyBackend := db.legacyRepoBackend()
exists, err = legacyBackend.RepoCredsExists(ctx, repoURL)
if err != nil {
return nil, fmt.Errorf("unable to check if repository credentials for %q exists from legacy backend: %w", repoURL, err)
} else if exists {
creds, err := legacyBackend.GetRepoCreds(ctx, repoURL)
if err != nil {
return nil, fmt.Errorf("unable to get repository credentials for %q from legacy backend: %w", repoURL, err)
}
return creds, nil
}
return nil, nil
}
// GetAllHelmRepositoryCredentials retrieves all repository credentials
func (db *db) GetAllHelmRepositoryCredentials(ctx context.Context) ([]*appsv1.RepoCreds, error) {
// TODO It would be nice to check for duplicates between secret and legacy repositories and make it so that
// repositories from secrets overlay repositories from legacys.
secretRepoCreds, err := db.repoBackend().GetAllHelmRepoCreds(ctx)
if err != nil {
return nil, fmt.Errorf("failed to get all Helm repo creds: %w", err)
}
legacyRepoCreds, err := db.legacyRepoBackend().GetAllHelmRepoCreds(ctx)
if err != nil {
return nil, fmt.Errorf("failed to get all legacy Helm repo creds: %w", err)
}
return append(secretRepoCreds, legacyRepoCreds...), nil
}
// CreateRepositoryCredentials creates a repository credential set
func (db *db) CreateRepositoryCredentials(ctx context.Context, r *appsv1.RepoCreds) (*appsv1.RepoCreds, error) {
legacyBackend := db.legacyRepoBackend()
secretBackend := db.repoBackend()
secretExists, err := secretBackend.RepositoryExists(ctx, r.URL, "", false)
if err != nil {
return nil, err
}
legacyExists, err := legacyBackend.RepositoryExists(ctx, r.URL, "", false)
if err != nil {
return nil, err
}
if secretExists || legacyExists {
return nil, status.Errorf(codes.AlreadyExists, "repository credentials %q already exists", r.URL)
}
return secretBackend.CreateRepoCreds(ctx, r)
}
// UpdateRepositoryCredentials updates a repository credential set
func (db *db) UpdateRepositoryCredentials(ctx context.Context, r *appsv1.RepoCreds) (*appsv1.RepoCreds, error) {
secretsBackend := db.repoBackend()
exists, err := secretsBackend.RepoCredsExists(ctx, r.URL)
if err != nil {
return nil, err
} else if exists {
return secretsBackend.UpdateRepoCreds(ctx, r)
}
legacyBackend := db.legacyRepoBackend()
exists, err = legacyBackend.RepoCredsExists(ctx, r.URL)
if err != nil {
return nil, err
} else if exists {
return legacyBackend.UpdateRepoCreds(ctx, r)
}
return nil, status.Errorf(codes.NotFound, "repository credentials '%s' not found", r.URL)
}
// DeleteRepositoryCredentials deletes a repository credential set from config, and
// also all the secrets which actually contained the credentials.
func (db *db) DeleteRepositoryCredentials(ctx context.Context, name string) error {
secretsBackend := db.repoBackend()
exists, err := secretsBackend.RepoCredsExists(ctx, name)
if err != nil {
return err
} else if exists {
return secretsBackend.DeleteRepoCreds(ctx, name)
}
legacyBackend := db.legacyRepoBackend()
exists, err = legacyBackend.RepoCredsExists(ctx, name)
if err != nil {
return err
} else if exists {
return legacyBackend.DeleteRepoCreds(ctx, name)
}
return status.Errorf(codes.NotFound, "repository credentials '%s' not found", name)
}
func (db *db) enrichCredsToRepos(ctx context.Context, repositories []*appsv1.Repository) error {
for _, repository := range repositories {
if err := db.enrichCredsToRepo(ctx, repository); err != nil {
return err
}
}
return nil
}
func (db *db) repoBackend() repositoryBackend {
return &secretsRepositoryBackend{db: db}
}
func (db *db) legacyRepoBackend() repositoryBackend {
return &legacyRepositoryBackend{db: db}
}
func (db *db) enrichCredsToRepo(ctx context.Context, repository *appsv1.Repository) error {
if !repository.HasCredentials() {
creds, err := db.GetRepositoryCredentials(ctx, repository.Repo)
if err == nil {
if creds != nil {
repository.CopyCredentialsFrom(creds)
repository.InheritedCreds = true
}
} else {
return fmt.Errorf("failed to get repository credentials for %q: %w", repository.Repo, err)
}
} else {
log.Debugf("%s has credentials", repository.Repo)
}
return nil
}
// RepoURLToSecretName hashes repo URL to a secret name using a formula. This is used when
// repositories are _imperatively_ created and need its credentials to be stored in a secret.
// NOTE: this formula should not be considered stable and may change in future releases.
// Do NOT rely on this formula as a means of secret lookup, only secret creation.
func RepoURLToSecretName(prefix string, repo string, project string) string {
h := fnv.New32a()
_, _ = h.Write([]byte(repo))
_, _ = h.Write([]byte(project))
return fmt.Sprintf("%s-%v", prefix, h.Sum32())
}