85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
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package config
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import (
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"net/http"
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"path/filepath"
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"github.com/docker/docker/client"
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"github.com/docker/go-connections/tlsconfig"
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)
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var DefaultConfig Config
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type Config struct {
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Debug bool `mapstructure:"debug"`
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Docker DockerConfig `mapstructure:"docker"`
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}
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type DockerConfig struct {
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FromEnv bool `mapstructure:"from_env"`
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CertPath string `mapstructure:"cert_path"`
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TLSVerify *bool `mapstructure:"tls_verify,omitempty"`
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Host string `mapstructure:"host"`
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Version string `mapstructure:"version"`
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}
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func (d DockerConfig) Opts(c *client.Client) error {
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if d.FromEnv {
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return client.FromEnv(c)
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}
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ops := []client.Opt{
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d.withTLSClientConfig(),
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d.withHost(),
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d.withVersion(),
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}
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for _, op := range ops {
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if err := op(c); err != nil {
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return err
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}
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}
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return nil
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}
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func (d DockerConfig) withTLSClientConfig() client.Opt {
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return func(c *client.Client) error {
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dockerCertPath := d.CertPath
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if dockerCertPath == "" {
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return nil
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}
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skipTLSVerify := false
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if d.TLSVerify != nil && !(*d.TLSVerify) {
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skipTLSVerify = true
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}
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options := tlsconfig.Options{
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CAFile: filepath.Join(dockerCertPath, "ca.pem"),
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CertFile: filepath.Join(dockerCertPath, "cert.pem"),
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KeyFile: filepath.Join(dockerCertPath, "key.pem"),
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InsecureSkipVerify: skipTLSVerify,
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}
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tlsConfig, err := tlsconfig.Client(options)
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if err != nil {
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return err
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}
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return client.WithHTTPClient(&http.Client{
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Transport: &http.Transport{TLSClientConfig: tlsConfig},
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CheckRedirect: client.CheckRedirect,
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})(c)
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}
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}
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func (d DockerConfig) withHost() client.Opt {
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return func(c *client.Client) error {
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if host := d.Host; host != "" {
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return client.WithHost(host)(c)
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}
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return nil
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}
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}
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func (d DockerConfig) withVersion() client.Opt {
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return func(c *client.Client) error {
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return client.WithVersion(d.Version)(c)
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}
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}
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