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package config
import (
"io/ioutil"
"net/url"
"os"
"path"
"path/filepath"
"gitlab.com/gitlab-org/gitlab-shell/client"
yaml "gopkg.in/yaml.v2"
)
const (
configFile = "config.yml"
logFile = "gitlab-shell.log"
defaultSecretFileName = ".gitlab_shell_secret"
)
type HttpSettingsConfig struct {
User string `yaml:"user"`
Password string `yaml:"password"`
ReadTimeoutSeconds uint64 `yaml:"read_timeout"`
CaFile string `yaml:"ca_file"`
CaPath string `yaml:"ca_path"`
SelfSignedCert bool `yaml:"self_signed_cert"`
}
type Config struct {
RootDir string
LogFile string `yaml:"log_file"`
LogFormat string `yaml:"log_format"`
GitlabUrl string `yaml:"gitlab_url"`
GitlabTracing string `yaml:"gitlab_tracing"`
SecretFilePath string `yaml:"secret_file"`
Secret string `yaml:"secret"`
SslCertDir string `yaml:"ssl_cert_dir"`
HttpSettings HttpSettingsConfig `yaml:"http_settings"`
HttpClient *client.HttpClient
}
func (c *Config) GetHttpClient() *client.HttpClient {
if c.HttpClient != nil {
return c.HttpClient
}
client := client.NewHTTPClient(
c.GitlabUrl,
c.HttpSettings.CaFile,
c.HttpSettings.CaPath,
c.HttpSettings.SelfSignedCert,
c.HttpSettings.ReadTimeoutSeconds)
c.HttpClient = client
return client
}
func New() (*Config, error) {
dir, err := os.Getwd()
if err != nil {
return nil, err
}
return NewFromDir(dir)
}
func NewFromDir(dir string) (*Config, error) {
return newFromFile(path.Join(dir, configFile))
}
func newFromFile(filename string) (*Config, error) {
cfg := &Config{RootDir: path.Dir(filename)}
configBytes, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
if err := parseConfig(configBytes, cfg); err != nil {
return nil, err
}
return cfg, nil
}
// parseConfig expects YAML data in configBytes and a Config instance with RootDir set.
func parseConfig(configBytes []byte, cfg *Config) error {
if err := yaml.Unmarshal(configBytes, cfg); err != nil {
return err
}
if cfg.LogFile == "" {
cfg.LogFile = logFile
}
if len(cfg.LogFile) > 0 && cfg.LogFile[0] != '/' {
cfg.LogFile = path.Join(cfg.RootDir, cfg.LogFile)
}
if cfg.LogFormat == "" {
cfg.LogFormat = "text"
}
if cfg.GitlabUrl != "" {
unescapedUrl, err := url.PathUnescape(cfg.GitlabUrl)
if err != nil {
return err
}
cfg.GitlabUrl = unescapedUrl
}
if err := parseSecret(cfg); err != nil {
return err
}
return nil
}
func parseSecret(cfg *Config) error {
// The secret was parsed from yaml no need to read another file
if cfg.Secret != "" {
return nil
}
if cfg.SecretFilePath == "" {
cfg.SecretFilePath = defaultSecretFileName
}
if !filepath.IsAbs(cfg.SecretFilePath) {
cfg.SecretFilePath = path.Join(cfg.RootDir, cfg.SecretFilePath)
}
secretFileContent, err := ioutil.ReadFile(cfg.SecretFilePath)
if err != nil {
return err
}
cfg.Secret = string(secretFileContent)
return nil
}
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