octopush/internal/services/providers/git.go

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package providers
import (
"context"
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"time"
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"git.front.kjuulh.io/kjuulh/kraken/internal/services/storage"
"github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing/object"
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"github.com/go-git/go-git/v5/plumbing/transport"
"github.com/go-git/go-git/v5/plumbing/transport/http"
"github.com/go-git/go-git/v5/plumbing/transport/ssh"
"go.uber.org/zap"
"go.uber.org/zap/zapio"
)
// Git is a native git provider, it can clone, pull
// , push and as in abstraction on native git operations
type Git struct {
logger *zap.Logger
gitConfig *GitConfig
}
type GitRepo struct {
repo *git.Repository
}
type GitAuth string
const (
GIT_AUTH_SSH GitAuth = "ssh"
GIT_AUTH_USERNAME_PASSWORD GitAuth = "username_password"
GIT_AUTH_ACCESS_TOKEN GitAuth = "access_token"
GIT_AUTH_ANONYMOUS GitAuth = "anonymous"
GIT_AUTH_SSH_AGENT GitAuth = "ssh_agent"
)
type GitConfig struct {
AuthOption GitAuth
User string
Password string
AccessToken string
SshPublicKeyFilePath string
SshPrivateKeyPassword string
}
func NewGit(logger *zap.Logger, gitConfig *GitConfig) *Git {
return &Git{logger: logger, gitConfig: gitConfig}
}
func (g *Git) Clone(ctx context.Context, storageArea *storage.Area, repoUrl string) (*GitRepo, error) {
g.logger.Debug(
"cloning repository",
zap.String("repoUrl", repoUrl),
zap.String("path", storageArea.Path),
)
auth, err := g.GetAuth()
if err != nil {
return nil, err
}
cloneOptions := git.CloneOptions{
URL: repoUrl,
Auth: auth,
RemoteName: "origin",
ReferenceName: "refs/heads/main",
SingleBranch: true,
NoCheckout: false,
Depth: 1,
RecurseSubmodules: 1,
Progress: &zapio.Writer{
Log: g.logger.With(zap.String("process", "go-git")),
Level: zap.DebugLevel,
},
Tags: 0,
InsecureSkipTLS: false,
CABundle: []byte{},
}
repo, err := git.PlainCloneContext(ctx, storageArea.Path, false, &cloneOptions)
if err != nil {
return nil, err
}
g.logger.Debug("done cloning repo")
return &GitRepo{repo: repo}, nil
}
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func (g *Git) Add(ctx context.Context, storageArea *storage.Area, gitRepo *GitRepo) (*git.Worktree, error) {
worktree, err := gitRepo.repo.Worktree()
if err != nil {
return nil, err
}
err = worktree.AddWithOptions(&git.AddOptions{
All: true,
})
if err != nil {
return nil, err
}
status, err := worktree.Status()
if err != nil {
return nil, err
}
g.logger.Info("git status", zap.String("status", status.String()))
return worktree, nil
}
func (g *Git) Commit(ctx context.Context, gitRepo *GitRepo) error {
worktree, err := gitRepo.repo.Worktree()
if err != nil {
return err
}
_, err = worktree.Commit("some-commit", &git.CommitOptions{
All: true,
Author: &object.Signature{
Name: "kraken",
Email: "kraken@kasperhermansen.com",
When: time.Now(),
},
Committer: &object.Signature{
Name: "kraken",
Email: "kraken@kasperhermansen.com",
When: time.Now(),
},
})
if err != nil {
return err
}
return nil
}
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func (g *Git) GetAuth() (transport.AuthMethod, error) {
switch g.gitConfig.AuthOption {
case GIT_AUTH_SSH:
sshKey, err := ssh.NewPublicKeysFromFile(
g.gitConfig.User,
g.gitConfig.SshPublicKeyFilePath,
g.gitConfig.SshPrivateKeyPassword,
)
if err != nil {
return nil, err
}
return sshKey, nil
case GIT_AUTH_USERNAME_PASSWORD:
return &http.BasicAuth{
Username: g.gitConfig.User,
Password: g.gitConfig.Password,
}, nil
case GIT_AUTH_ACCESS_TOKEN:
return &http.BasicAuth{
Username: "required-username",
Password: g.gitConfig.AccessToken,
}, nil
case GIT_AUTH_ANONYMOUS:
return nil, nil
case GIT_AUTH_SSH_AGENT:
return ssh.NewSSHAgentAuth(g.gitConfig.User)
default:
return nil, nil
}
}