mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
231eeca2b0
- Return an error if any of the keys don't match valid flags. - Fix an issue ignoring merged values as named values. - Fix tlsverify configuration key. - Fix bug in mflag to avoid panics when one of the flag set doesn't have any flag. Signed-off-by: David Calavera <david.calavera@gmail.com>
100 lines
3.1 KiB
Go
100 lines
3.1 KiB
Go
package main
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/cliconfig"
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"github.com/docker/docker/opts"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/go-connections/tlsconfig"
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)
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const (
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defaultTrustKeyFile = "key.json"
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defaultCaFile = "ca.pem"
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defaultKeyFile = "key.pem"
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defaultCertFile = "cert.pem"
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tlsVerifyKey = "tlsverify"
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)
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var (
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commonFlags = &cli.CommonFlags{FlagSet: new(flag.FlagSet)}
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dockerCertPath = os.Getenv("DOCKER_CERT_PATH")
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dockerTLSVerify = os.Getenv("DOCKER_TLS_VERIFY") != ""
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)
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func init() {
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if dockerCertPath == "" {
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dockerCertPath = cliconfig.ConfigDir()
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}
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commonFlags.PostParse = postParseCommon
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cmd := commonFlags.FlagSet
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cmd.BoolVar(&commonFlags.Debug, []string{"D", "-debug"}, false, "Enable debug mode")
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cmd.StringVar(&commonFlags.LogLevel, []string{"l", "-log-level"}, "info", "Set the logging level")
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cmd.BoolVar(&commonFlags.TLS, []string{"-tls"}, false, "Use TLS; implied by --tlsverify")
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cmd.BoolVar(&commonFlags.TLSVerify, []string{"-tlsverify"}, dockerTLSVerify, "Use TLS and verify the remote")
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// TODO use flag flag.String([]string{"i", "-identity"}, "", "Path to libtrust key file")
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var tlsOptions tlsconfig.Options
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commonFlags.TLSOptions = &tlsOptions
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cmd.StringVar(&tlsOptions.CAFile, []string{"-tlscacert"}, filepath.Join(dockerCertPath, defaultCaFile), "Trust certs signed only by this CA")
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cmd.StringVar(&tlsOptions.CertFile, []string{"-tlscert"}, filepath.Join(dockerCertPath, defaultCertFile), "Path to TLS certificate file")
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cmd.StringVar(&tlsOptions.KeyFile, []string{"-tlskey"}, filepath.Join(dockerCertPath, defaultKeyFile), "Path to TLS key file")
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cmd.Var(opts.NewNamedListOptsRef("hosts", &commonFlags.Hosts, opts.ValidateHost), []string{"H", "-host"}, "Daemon socket(s) to connect to")
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}
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func postParseCommon() {
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cmd := commonFlags.FlagSet
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setDaemonLogLevel(commonFlags.LogLevel)
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// Regardless of whether the user sets it to true or false, if they
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// specify --tlsverify at all then we need to turn on tls
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// TLSVerify can be true even if not set due to DOCKER_TLS_VERIFY env var, so we need to check that here as well
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if cmd.IsSet("-"+tlsVerifyKey) || commonFlags.TLSVerify {
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commonFlags.TLS = true
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}
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if !commonFlags.TLS {
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commonFlags.TLSOptions = nil
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} else {
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tlsOptions := commonFlags.TLSOptions
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tlsOptions.InsecureSkipVerify = !commonFlags.TLSVerify
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// Reset CertFile and KeyFile to empty string if the user did not specify
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// the respective flags and the respective default files were not found.
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if !cmd.IsSet("-tlscert") {
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if _, err := os.Stat(tlsOptions.CertFile); os.IsNotExist(err) {
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tlsOptions.CertFile = ""
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}
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}
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if !cmd.IsSet("-tlskey") {
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if _, err := os.Stat(tlsOptions.KeyFile); os.IsNotExist(err) {
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tlsOptions.KeyFile = ""
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}
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}
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}
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}
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func setDaemonLogLevel(logLevel string) {
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if logLevel != "" {
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lvl, err := logrus.ParseLevel(logLevel)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Unable to parse logging level: %s\n", logLevel)
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os.Exit(1)
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}
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logrus.SetLevel(lvl)
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} else {
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logrus.SetLevel(logrus.InfoLevel)
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}
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}
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