func dockerPreRun(opts *cliflags.ClientOptions) {
cliflags.SetDaemonLogLevel(opts.Common.LogLevel)
if opts.ConfigDir != "" {
cliconfig.SetConfigDir(opts.ConfigDir)
}
if opts.Common.Debug {
utils.EnableDebug()
}
}
func loadDaemonCliConfig(opts daemonOptions) (*daemon.Config, error) {
config := opts.daemonConfig
flags := opts.flags
config.Debug = opts.common.Debug
config.Hosts = opts.common.Hosts
config.LogLevel = opts.common.LogLevel
config.TLS = opts.common.TLS
config.TLSVerify = opts.common.TLSVerify
config.CommonTLSOptions = daemon.CommonTLSOptions{}
if opts.common.TLSOptions != nil {
config.CommonTLSOptions.CAFile = opts.common.TLSOptions.CAFile
config.CommonTLSOptions.CertFile = opts.common.TLSOptions.CertFile
config.CommonTLSOptions.KeyFile = opts.common.TLSOptions.KeyFile
}
if opts.configFile != "" {
c, err := daemon.MergeDaemonConfigurations(config, flags, opts.configFile)
if err != nil {
if flags.Changed(flagDaemonConfigFile) || !os.IsNotExist(err) {
return nil, fmt.Errorf("unable to configure the Docker daemon with file %s: %v\n", opts.configFile, err)
}
}
// the merged configuration can be nil if the config file didn't exist.
// leave the current configuration as it is if when that happens.
if c != nil {
config = c
}
}
if err := daemon.ValidateConfiguration(config); err != nil {
return nil, err
}
// Regardless of whether the user sets it to true or false, if they
// specify TLSVerify at all then we need to turn on TLS
if config.IsValueSet(cliflags.FlagTLSVerify) {
config.TLS = true
}
// ensure that the log level is the one set after merging configurations
cliflags.SetDaemonLogLevel(config.LogLevel)
return config, nil
}