Factor bootstrap logic into bootstrap package
This commit factors out the bootstrap logic into a new `bootstrap` package, while also moving to `go-git-providers` to handle things around Git providers (e.g. repository creation, deploy key upsertions). The `GitProviderBootstrapper` is a superset of the `PlainGitBootstrapper` that besides `Reconciler` also implements the `RepositoryReconciler`. The Git actions rely on an interface, making it easier to support other implementations than `go-git` at a later moment, to for example support bootstrapping to Git servers that only support the v2 protocol. Signed-off-by: Hidde Beydals <hello@hidde.co>
This commit is contained in:
Hidde Beydals
530
internal/bootstrap/bootstrap_provider.go
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530
internal/bootstrap/bootstrap_provider.go
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@@ -0,0 +1,530 @@
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/*
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Copyright 2021 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package bootstrap
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import (
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"context"
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"errors"
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"fmt"
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"net/url"
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"strings"
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"time"
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corev1 "k8s.io/api/core/v1"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"github.com/fluxcd/go-git-providers/gitprovider"
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"github.com/fluxcd/flux2/internal/bootstrap/git"
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"github.com/fluxcd/flux2/pkg/manifestgen/sourcesecret"
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"github.com/fluxcd/flux2/pkg/manifestgen/sync"
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)
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type GitProviderBootstrapper struct {
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*PlainGitBootstrapper
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owner string
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repository string
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personal bool
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description string
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defaultBranch string
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visibility string
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teams map[string]string
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readWriteKey bool
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bootstrapTransportType string
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syncTransportType string
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sshHostname string
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provider gitprovider.Client
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}
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func NewGitProviderBootstrapper(git git.Git, provider gitprovider.Client, kube client.Client, opts ...GitProviderOption) (*GitProviderBootstrapper, error) {
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b := &GitProviderBootstrapper{
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PlainGitBootstrapper: &PlainGitBootstrapper{
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git: git,
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kube: kube,
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},
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bootstrapTransportType: "https",
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syncTransportType: "ssh",
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provider: provider,
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}
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b.PlainGitBootstrapper.postGenerateSecret = append(b.PlainGitBootstrapper.postGenerateSecret, b.reconcileDeployKey)
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for _, opt := range opts {
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opt.applyGitProvider(b)
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}
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return b, nil
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}
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type GitProviderOption interface {
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applyGitProvider(b *GitProviderBootstrapper)
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}
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func WithProviderRepository(owner, repository string, personal bool) GitProviderOption {
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return providerRepositoryOption{
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owner: owner,
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repository: repository,
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personal: personal,
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}
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}
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type providerRepositoryOption struct {
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owner string
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repository string
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personal bool
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}
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func (o providerRepositoryOption) applyGitProvider(b *GitProviderBootstrapper) {
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b.owner = o.owner
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b.repository = o.repository
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b.personal = o.personal
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}
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func WithProviderRepositoryConfig(description, defaultBranch, visibility string) GitProviderOption {
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return providerRepositoryConfigOption{
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description: description,
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defaultBranch: defaultBranch,
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visibility: visibility,
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}
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}
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type providerRepositoryConfigOption struct {
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description string
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defaultBranch string
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visibility string
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}
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func (o providerRepositoryConfigOption) applyGitProvider(b *GitProviderBootstrapper) {
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b.description = o.description
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b.defaultBranch = o.defaultBranch
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b.visibility = o.visibility
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}
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func WithProviderTeamPermissions(teams map[string]string) GitProviderOption {
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return providerRepositoryTeamPermissionsOption(teams)
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}
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type providerRepositoryTeamPermissionsOption map[string]string
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func (o providerRepositoryTeamPermissionsOption) applyGitProvider(b *GitProviderBootstrapper) {
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b.teams = o
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}
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func WithReadWriteKeyPermissions(b bool) GitProviderOption {
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return withReadWriteKeyPermissionsOption(b)
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}
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type withReadWriteKeyPermissionsOption bool
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func (o withReadWriteKeyPermissionsOption) applyGitProvider(b *GitProviderBootstrapper) {
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b.readWriteKey = bool(o)
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}
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func WithBootstrapTransportType(protocol string) GitProviderOption {
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return bootstrapTransportTypeOption(protocol)
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}
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type bootstrapTransportTypeOption string
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func (o bootstrapTransportTypeOption) applyGitProvider(b *GitProviderBootstrapper) {
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b.bootstrapTransportType = string(o)
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}
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func WithSyncTransportType(protocol string) GitProviderOption {
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return syncProtocolOption(protocol)
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}
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type syncProtocolOption string
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func (o syncProtocolOption) applyGitProvider(b *GitProviderBootstrapper) {
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b.syncTransportType = string(o)
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}
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func WithSSHHostname(hostname string) GitProviderOption {
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return sshHostnameOption(hostname)
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}
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type sshHostnameOption string
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func (o sshHostnameOption) applyGitProvider(b *GitProviderBootstrapper) {
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b.sshHostname = string(o)
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}
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func (b *GitProviderBootstrapper) ReconcileSyncConfig(ctx context.Context, options sync.Options, pollInterval, timeout time.Duration) error {
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repo, err := b.getRepository(ctx)
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if err != nil {
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return err
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}
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if b.url == "" {
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bootstrapURL, err := b.getCloneURL(repo, gitprovider.TransportType(b.bootstrapTransportType))
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if err != nil {
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return err
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}
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WithRepositoryURL(bootstrapURL).applyGit(b.PlainGitBootstrapper)
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}
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if options.URL == "" {
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syncURL, err := b.getCloneURL(repo, gitprovider.TransportType(b.syncTransportType))
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if err != nil {
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return err
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}
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options.URL = syncURL
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}
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return b.PlainGitBootstrapper.ReconcileSyncConfig(ctx, options, pollInterval, timeout)
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}
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// ReconcileRepository reconciles an organization or user repository with the
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// GitProviderBootstrapper configuration. On success, the URL in the embedded
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// PlainGitBootstrapper is set to clone URL for the configured protocol.
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//
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// When part of the reconciliation fails with a warning without aborting, an
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// ErrReconciledWithWarning error is returned.
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func (b *GitProviderBootstrapper) ReconcileRepository(ctx context.Context) error {
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var repo gitprovider.UserRepository
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var err error
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if b.personal {
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repo, err = b.reconcileUserRepository(ctx)
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} else {
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repo, err = b.reconcileOrgRepository(ctx)
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}
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if err != nil && !errors.Is(err, ErrReconciledWithWarning) {
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return err
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}
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cloneURL := repo.Repository().GetCloneURL(gitprovider.TransportType(b.bootstrapTransportType))
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WithRepositoryURL(cloneURL).applyGit(b.PlainGitBootstrapper)
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return err
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}
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func (b *GitProviderBootstrapper) reconcileDeployKey(ctx context.Context, secret corev1.Secret, options sourcesecret.Options) error {
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ppk, ok := secret.StringData[sourcesecret.PublicKeySecretKey]
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if !ok {
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return nil
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}
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b.logger.Successf("public key: %s", strings.TrimSpace(ppk))
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repo, err := b.getRepository(ctx)
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if err != nil {
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return err
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}
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name := deployKeyName(options.Namespace, b.branch, options.Name, options.TargetPath)
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deployKeyInfo := newDeployKeyInfo(name, ppk, b.readWriteKey)
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var changed bool
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if _, changed, err = repo.DeployKeys().Reconcile(ctx, deployKeyInfo); err != nil {
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return err
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}
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if changed {
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b.logger.Successf("configured deploy key %q for %q", deployKeyInfo.Name, repo.Repository().String())
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}
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return nil
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}
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// reconcileOrgRepository reconciles a gitprovider.OrgRepository
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// with the GitProviderBootstrapper values, including any
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// gitprovider.TeamAccessInfo configurations.
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//
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// If one of the gitprovider.TeamAccessInfo does not reconcile
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// successfully, the gitprovider.UserRepository and an
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// ErrReconciledWithWarning error are returned.
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func (b *GitProviderBootstrapper) reconcileOrgRepository(ctx context.Context) (gitprovider.UserRepository, error) {
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b.logger.Actionf("connecting to %s", b.provider.SupportedDomain())
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// Construct the repository and other configuration objects
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// go-git-provider likes to work with
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subOrgs, repoName := splitSubOrganizationsFromRepositoryName(b.repository)
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orgRef := newOrganizationRef(b.provider.SupportedDomain(), b.owner, subOrgs)
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repoRef := newOrgRepositoryRef(orgRef, repoName)
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repoInfo := newRepositoryInfo(b.description, b.defaultBranch, b.visibility)
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// Reconcile the organization repository
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repo, err := b.provider.OrgRepositories().Get(ctx, repoRef)
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if err != nil {
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if !errors.Is(err, gitprovider.ErrNotFound) {
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return nil, fmt.Errorf("failed to get Git repository %q: %w", repoRef.String(), err)
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}
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// go-git-providers has at present some issues with the idempotency
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// of the available Reconcile methods, and setting e.g. the default
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// branch correctly. Resort to Create with AutoInit until this has
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// been resolved.
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repo, err = b.provider.OrgRepositories().Create(ctx, repoRef, repoInfo, &gitprovider.RepositoryCreateOptions{
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AutoInit: gitprovider.BoolVar(true),
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})
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if err != nil {
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return nil, fmt.Errorf("failed to create new Git repository %q: %w", repoRef.String(), err)
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}
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b.logger.Successf("repository %q created", repoRef.String())
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}
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// Set default branch before calling Reconcile due to bug described
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// above.
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repoInfo.DefaultBranch = repo.Get().DefaultBranch
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var changed bool
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if repo, changed, err = b.provider.OrgRepositories().Reconcile(ctx, repoRef, repoInfo); err != nil {
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return nil, fmt.Errorf("failed to reconcile Git repository %q: %w", repoRef.String(), err)
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}
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if changed {
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b.logger.Successf("repository %q reconciled", repoRef.String())
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}
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// Build the team access config
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teamAccessInfo, err := buildTeamAccessInfo(b.teams, gitprovider.RepositoryPermissionVar(gitprovider.RepositoryPermissionMaintain))
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if err != nil {
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return nil, fmt.Errorf("failed to reconcile repository team access: %w", err)
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}
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// Reconcile the team access config on best effort (that being:
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// record the error as a warning, but continue with the
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// reconciliation of the others)
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var warning error
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if count := len(teamAccessInfo); count > 0 {
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b.logger.Actionf("reconciling repository permissions")
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for _, i := range teamAccessInfo {
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var err error
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_, changed, err = repo.TeamAccess().Reconcile(ctx, i)
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if err != nil {
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warning = fmt.Errorf("failed to grant permissions to team: %w", ErrReconciledWithWarning)
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b.logger.Failuref("failed to grant %q permissions to %q: %w", *i.Permission, i.Name, err)
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}
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if changed {
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b.logger.Successf("granted %q permissions to %q", *i.Permission, i.Name)
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}
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}
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b.logger.Successf("reconciled repository permissions")
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}
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return repo, warning
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}
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// reconcileUserRepository reconciles a gitprovider.UserRepository
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// with the GitProviderBootstrapper values. It returns the reconciled
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// gitprovider.UserRepository, or an error.
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func (b *GitProviderBootstrapper) reconcileUserRepository(ctx context.Context) (gitprovider.UserRepository, error) {
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b.logger.Actionf("connecting to %s", b.provider.SupportedDomain())
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// Construct the repository and other metadata objects
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// go-git-provider likes to work with.
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_, repoName := splitSubOrganizationsFromRepositoryName(b.repository)
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userRef := newUserRef(b.provider.SupportedDomain(), b.owner)
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repoRef := newUserRepositoryRef(userRef, repoName)
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repoInfo := newRepositoryInfo(b.description, b.defaultBranch, b.visibility)
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repo, err := b.provider.UserRepositories().Get(ctx, repoRef)
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if err != nil {
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if !errors.Is(err, gitprovider.ErrNotFound) {
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return nil, fmt.Errorf("failed to get Git repository %q: %w", repoRef.String(), err)
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}
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// go-git-providers has at present some issues with the idempotency
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// of the available Reconcile methods, and setting e.g. the default
|
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// branch correctly. Resort to Create with AutoInit until this has
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// been resolved.
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repo, err = b.provider.UserRepositories().Create(ctx, repoRef, repoInfo, &gitprovider.RepositoryCreateOptions{
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AutoInit: gitprovider.BoolVar(true),
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})
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if err != nil {
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return nil, fmt.Errorf("failed to create new Git repository %q: %w", repoRef.String(), err)
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}
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b.logger.Successf("repository %q created", repoRef.String())
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}
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// Set default branch before calling Reconcile due to bug described
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// above.
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repoInfo.DefaultBranch = repo.Get().DefaultBranch
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var changed bool
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if repo, changed, err = b.provider.UserRepositories().Reconcile(ctx, repoRef, repoInfo); err != nil {
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return nil, err
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}
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if changed {
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b.logger.Successf("repository %q reconciled", repoRef.String())
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}
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return repo, nil
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}
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// getRepository retrieves and returns the gitprovider.UserRepository
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// for organization and user repositories using the
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// GitProviderBootstrapper values.
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// As gitprovider.OrgRepository is a superset of gitprovider.UserRepository, this
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// type is returned.
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func (b *GitProviderBootstrapper) getRepository(ctx context.Context) (gitprovider.UserRepository, error) {
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subOrgs, repoName := splitSubOrganizationsFromRepositoryName(b.repository)
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if b.personal {
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userRef := newUserRef(b.provider.SupportedDomain(), b.owner)
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return b.provider.UserRepositories().Get(ctx, newUserRepositoryRef(userRef, repoName))
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}
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orgRef := newOrganizationRef(b.provider.SupportedDomain(), b.owner, subOrgs)
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return b.provider.OrgRepositories().Get(ctx, newOrgRepositoryRef(orgRef, repoName))
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}
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// getCloneURL returns the Git clone URL for the given
|
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// gitprovider.UserRepository. If the given transport type is
|
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// gitprovider.TransportTypeSSH and a custom SSH hostname is configured,
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// the hostname of the URL will be modified to this hostname.
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func (b *GitProviderBootstrapper) getCloneURL(repository gitprovider.UserRepository, transport gitprovider.TransportType) (string, error) {
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u := repository.Repository().GetCloneURL(transport)
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var err error
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if transport == gitprovider.TransportTypeSSH && b.sshHostname != "" {
|
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if u, err = setHostname(u, b.sshHostname); err != nil {
|
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err = fmt.Errorf("failed to set SSH hostname for URL %q: %w", u, err)
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}
|
||||
}
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||||
return u, err
|
||||
}
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||||
|
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// splitSubOrganizationsFromRepositoryName removes any prefixed sub
|
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// organizations from the given repository name by splitting the
|
||||
// string into a slice by '/'.
|
||||
// The last (or only) item of the slice result is assumed to be the
|
||||
// repository name, other items (nested) sub organizations.
|
||||
func splitSubOrganizationsFromRepositoryName(name string) ([]string, string) {
|
||||
elements := strings.Split(name, "/")
|
||||
i := len(elements)
|
||||
switch i {
|
||||
case 1:
|
||||
return nil, name
|
||||
default:
|
||||
return elements[:i-1], elements[i-1]
|
||||
}
|
||||
}
|
||||
|
||||
// buildTeamAccessInfo constructs a gitprovider.TeamAccessInfo slice
|
||||
// from the given string map of team names to permissions.
|
||||
//
|
||||
// Providing a default gitprovider.RepositoryPermission is optional,
|
||||
// and omitting it will make it default to the go-git-provider default.
|
||||
//
|
||||
// An error is returned if any of the given permissions is invalid.
|
||||
func buildTeamAccessInfo(m map[string]string, defaultPermissions *gitprovider.RepositoryPermission) ([]gitprovider.TeamAccessInfo, error) {
|
||||
var infos []gitprovider.TeamAccessInfo
|
||||
if defaultPermissions != nil {
|
||||
if err := gitprovider.ValidateRepositoryPermission(*defaultPermissions); err != nil {
|
||||
return nil, fmt.Errorf("invalid default team permission %q", *defaultPermissions)
|
||||
}
|
||||
}
|
||||
for n, p := range m {
|
||||
permission := defaultPermissions
|
||||
if p != "" {
|
||||
p := gitprovider.RepositoryPermission(p)
|
||||
if err := gitprovider.ValidateRepositoryPermission(p); err != nil {
|
||||
return nil, fmt.Errorf("invalid permission %q for team %q", p, n)
|
||||
}
|
||||
permission = &p
|
||||
}
|
||||
i := gitprovider.TeamAccessInfo{
|
||||
Name: n,
|
||||
Permission: permission,
|
||||
}
|
||||
infos = append(infos, i)
|
||||
}
|
||||
return infos, nil
|
||||
}
|
||||
|
||||
// newOrganizationRef constructs a gitprovider.OrganizationRef with the
|
||||
// given values and returns the result.
|
||||
func newOrganizationRef(domain, organization string, subOrganizations []string) gitprovider.OrganizationRef {
|
||||
return gitprovider.OrganizationRef{
|
||||
Domain: domain,
|
||||
Organization: organization,
|
||||
SubOrganizations: subOrganizations,
|
||||
}
|
||||
}
|
||||
|
||||
// newOrgRepositoryRef constructs a gitprovider.OrgRepositoryRef with
|
||||
// the given values and returns the result.
|
||||
func newOrgRepositoryRef(organizationRef gitprovider.OrganizationRef, name string) gitprovider.OrgRepositoryRef {
|
||||
return gitprovider.OrgRepositoryRef{
|
||||
OrganizationRef: organizationRef,
|
||||
RepositoryName: name,
|
||||
}
|
||||
}
|
||||
|
||||
// newUserRef constructs a gitprovider.UserRef with the given values
|
||||
// and returns the result.
|
||||
func newUserRef(domain, login string) gitprovider.UserRef {
|
||||
return gitprovider.UserRef{
|
||||
Domain: domain,
|
||||
UserLogin: login,
|
||||
}
|
||||
}
|
||||
|
||||
// newUserRepositoryRef constructs a gitprovider.UserRepositoryRef with
|
||||
// the given values and returns the result.
|
||||
func newUserRepositoryRef(userRef gitprovider.UserRef, name string) gitprovider.UserRepositoryRef {
|
||||
return gitprovider.UserRepositoryRef{
|
||||
UserRef: userRef,
|
||||
RepositoryName: name,
|
||||
}
|
||||
}
|
||||
|
||||
// newRepositoryInfo constructs a gitprovider.RepositoryInfo with the
|
||||
// given values and returns the result.
|
||||
func newRepositoryInfo(description, defaultBranch, visibility string) gitprovider.RepositoryInfo {
|
||||
var i gitprovider.RepositoryInfo
|
||||
if description != "" {
|
||||
i.Description = gitprovider.StringVar(description)
|
||||
}
|
||||
if defaultBranch != "" {
|
||||
i.DefaultBranch = gitprovider.StringVar(defaultBranch)
|
||||
}
|
||||
if visibility != "" {
|
||||
i.Visibility = gitprovider.RepositoryVisibilityVar(gitprovider.RepositoryVisibility(visibility))
|
||||
}
|
||||
return i
|
||||
}
|
||||
|
||||
// newDeployKeyInfo constructs a gitprovider.DeployKeyInfo with the
|
||||
// given values and returns the result.
|
||||
func newDeployKeyInfo(name, publicKey string, readWrite bool) gitprovider.DeployKeyInfo {
|
||||
keyInfo := gitprovider.DeployKeyInfo{
|
||||
Name: name,
|
||||
Key: []byte(publicKey),
|
||||
}
|
||||
if readWrite {
|
||||
keyInfo.ReadOnly = gitprovider.BoolVar(false)
|
||||
}
|
||||
return keyInfo
|
||||
}
|
||||
|
||||
func deployKeyName(namespace, secretName, branch, path string) string {
|
||||
var name string
|
||||
for _, v := range []string{namespace, secretName, branch, path} {
|
||||
if v == "" {
|
||||
continue
|
||||
}
|
||||
if name == "" {
|
||||
name = v
|
||||
} else {
|
||||
name = name + "-" + v
|
||||
}
|
||||
}
|
||||
return name
|
||||
}
|
||||
|
||||
// setHostname is a helper to replace the hostname of the given URL.
|
||||
// TODO(hidde): support for this should be added in go-git-providers.
|
||||
func setHostname(URL, hostname string) (string, error) {
|
||||
u, err := url.Parse(URL)
|
||||
if err != nil {
|
||||
return URL, err
|
||||
}
|
||||
u.Host = hostname
|
||||
return u.String(), nil
|
||||
}
|
||||
Reference in New Issue
Block a user