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31bf9ca0c8
Cleanup cobra integration Update windows files for cobra and pflags Cleanup SetupRootcmd, and remove unnecessary SetFlagErrorFunc. Use cobra command traversal Signed-off-by: Daniel Nephin <dnephin@docker.com>
117 lines
3.8 KiB
Go
117 lines
3.8 KiB
Go
package flags
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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/cliconfig"
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"github.com/docker/docker/opts"
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"github.com/docker/go-connections/tlsconfig"
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"github.com/spf13/pflag"
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)
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const (
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// DefaultTrustKeyFile is the default filename for the trust key
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DefaultTrustKeyFile = "key.json"
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// DefaultCaFile is the default filename for the CA pem file
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DefaultCaFile = "ca.pem"
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// DefaultKeyFile is the default filename for the key pem file
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DefaultKeyFile = "key.pem"
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// DefaultCertFile is the default filename for the cert pem file
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DefaultCertFile = "cert.pem"
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// FlagTLSVerify is the flag name for the tls verification option
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FlagTLSVerify = "tlsverify"
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)
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var (
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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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// CommonOptions are options common to both the client and the daemon.
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type CommonOptions struct {
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Debug bool
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Hosts []string
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LogLevel string
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TLS bool
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TLSVerify bool
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TLSOptions *tlsconfig.Options
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TrustKey string
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}
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// NewCommonOptions returns a new CommonOptions
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func NewCommonOptions() *CommonOptions {
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return &CommonOptions{}
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}
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// InstallFlags adds flags for the common options on the FlagSet
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func (commonOpts *CommonOptions) InstallFlags(flags *pflag.FlagSet) {
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if dockerCertPath == "" {
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dockerCertPath = cliconfig.ConfigDir()
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}
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flags.BoolVarP(&commonOpts.Debug, "debug", "D", false, "Enable debug mode")
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flags.StringVarP(&commonOpts.LogLevel, "log-level", "l", "info", "Set the logging level")
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flags.BoolVar(&commonOpts.TLS, "tls", false, "Use TLS; implied by --tlsverify")
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flags.BoolVar(&commonOpts.TLSVerify, FlagTLSVerify, dockerTLSVerify, "Use TLS and verify the remote")
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// TODO use flag flags.String("identity"}, "i", "", "Path to libtrust key file")
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commonOpts.TLSOptions = &tlsconfig.Options{}
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tlsOptions := commonOpts.TLSOptions
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flags.StringVar(&tlsOptions.CAFile, "tlscacert", filepath.Join(dockerCertPath, DefaultCaFile), "Trust certs signed only by this CA")
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flags.StringVar(&tlsOptions.CertFile, "tlscert", filepath.Join(dockerCertPath, DefaultCertFile), "Path to TLS certificate file")
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flags.StringVar(&tlsOptions.KeyFile, "tlskey", filepath.Join(dockerCertPath, DefaultKeyFile), "Path to TLS key file")
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hostOpt := opts.NewNamedListOptsRef("hosts", &commonOpts.Hosts, opts.ValidateHost)
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flags.VarP(hostOpt, "host", "H", "Daemon socket(s) to connect to")
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}
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// SetDefaultOptions sets default values for options after flag parsing is
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// complete
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func (commonOpts *CommonOptions) SetDefaultOptions(flags *pflag.FlagSet) {
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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
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// to check that here as well
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if flags.Changed(FlagTLSVerify) || commonOpts.TLSVerify {
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commonOpts.TLS = true
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}
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if !commonOpts.TLS {
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commonOpts.TLSOptions = nil
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} else {
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tlsOptions := commonOpts.TLSOptions
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tlsOptions.InsecureSkipVerify = !commonOpts.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 !flags.Changed("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 !flags.Changed("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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// SetDaemonLogLevel sets the logrus logging level
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// TODO: this is a bad name, it applies to the client as well.
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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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