func NewConfigFromTomlFile(configpath string) (*Config, error) {
buf, err := ioutil.ReadFile(configpath)
if err != nil {
return nil, fmt.Errorf("Failed to read config file: %v", err)
}
cfg := &Config{
PasswordFile: path.Join(os.Getenv("HOME"), ".otaru", "password.txt"),
UseSeparateBucketForMetadata: false,
CacheDir: "/var/cache/otaru",
}
if err := toml.Unmarshal(buf, &cfg); err != nil {
return nil, fmt.Errorf("Failed to parse config file: %v", err)
}
if cfg.Password != "" {
log.Printf("Storing password directly on config file is not recommended.")
} else {
fi, err := os.Stat(cfg.PasswordFile)
if err != nil {
return nil, fmt.Errorf("Failed to stat password file \"%s\": %v", cfg.PasswordFile, err)
}
if fi.Mode()&os.ModePerm != 0400 {
log.Printf("Password file \"%s\" permission is not 0400", cfg.PasswordFile)
}
cfg.Password, err = util.StringFromFile(cfg.PasswordFile)
if err != nil {
return nil, fmt.Errorf("Failed to read password file \"%s\": %v", cfg.PasswordFile, err)
}
}
if cfg.ProjectName == "" {
return nil, fmt.Errorf("Config Error: ProjectName must be given.")
}
if cfg.BucketName == "" {
return nil, fmt.Errorf("Config Error: BucketName must be given.")
}
return cfg, nil
}
func NewConfig(configdir string) (*Config, error) {
tomlpath := path.Join(configdir, "config.toml")
buf, err := ioutil.ReadFile(tomlpath)
if err != nil {
return nil, fmt.Errorf("Failed to read config file: %v", err)
}
cfg := &Config{
PasswordFile: path.Join(configdir, "password.txt"),
UseSeparateBucketForMetadata: false,
CacheDir: "/var/cache/otaru",
CredentialsFilePath: path.Join(configdir, "credentials.json"),
TokenCacheFilePath: path.Join(configdir, "tokencache.json"),
}
if err := toml.Unmarshal(buf, &cfg); err != nil {
return nil, fmt.Errorf("Failed to parse config file: %v", err)
}
if cfg.Password != "" {
logger.Warningf(mylog, "Storing password directly on config file is not recommended.")
} else {
fi, err := os.Stat(cfg.PasswordFile)
if err != nil {
return nil, fmt.Errorf("Failed to stat password file \"%s\": %v", cfg.PasswordFile, err)
}
if fi.Mode()&os.ModePerm != 0400 {
logger.Warningf(mylog, "Warning: Password file \"%s\" permission is not 0400", cfg.PasswordFile)
}
cfg.Password, err = util.StringFromFile(cfg.PasswordFile)
if err != nil {
return nil, fmt.Errorf("Failed to read password file \"%s\": %v", cfg.PasswordFile, err)
}
}
if cfg.ProjectName == "" {
return nil, fmt.Errorf("Config Error: ProjectName must be given.")
}
if cfg.BucketName == "" {
return nil, fmt.Errorf("Config Error: BucketName must be given.")
}
if _, err := os.Stat(cfg.CredentialsFilePath); err != nil {
if os.IsNotExist(err) {
return nil, fmt.Errorf("Credentials not found at %s", cfg.CredentialsFilePath)
} else {
return nil, fmt.Errorf("Failed to stat credentials file \"%s\" from unknown err: %v", cfg.CredentialsFilePath, err)
}
}
if _, err := os.Stat(cfg.TokenCacheFilePath); err != nil {
if os.IsNotExist(err) {
logger.Warningf(mylog, "Warning: Token cache file found not at %s", cfg.TokenCacheFilePath)
} else {
return nil, fmt.Errorf("Failed to stat token cache file \"%s\" from unknown err: %v", cfg.TokenCacheFilePath, err)
}
}
if cfg.Fluent.TagPrefix == "" {
cfg.Fluent.TagPrefix = "otaru"
}
return cfg, nil
}