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Merge pull request #40 from bpineau/split_cmd
Split cmd for readability sake
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "os" | ||
| "strings" | ||
|
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| "github.com/spf13/viper" | ||
| "k8s.io/client-go/util/homedir" | ||
| ) | ||
|
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| func loadConfigFile() { | ||
| viper.SetConfigType("yaml") | ||
| viper.SetConfigName(appName) | ||
|
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| // all possible config file paths, by priority | ||
| viper.AddConfigPath("/etc/katafygio/") | ||
| if home := homedir.HomeDir(); home != "" { | ||
| viper.AddConfigPath(home) | ||
| } | ||
| viper.AddConfigPath(".") | ||
|
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| // prefer the config file path provided by cli flag, if any | ||
| if _, err := os.Stat(cfgFile); !os.IsNotExist(err) { | ||
| viper.SetConfigFile(cfgFile) | ||
| } | ||
|
|
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| // allow config params through prefixed env variables | ||
| viper.SetEnvPrefix("KF") | ||
| replacer := strings.NewReplacer("-", "_", ".", "_DOT_") | ||
| viper.SetEnvKeyReplacer(replacer) | ||
| viper.AutomaticEnv() | ||
|
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| if err := viper.ReadInConfig(); err == nil { | ||
| RootCmd.Printf("Using config file: %s", viper.ConfigFileUsed()) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package cmd | ||
|
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| import ( | ||
| "log" | ||
|
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| "github.com/spf13/cobra" | ||
| "github.com/spf13/viper" | ||
| ) | ||
|
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||
| var ( | ||
| cfgFile string | ||
| apiServer string | ||
| kubeConf string | ||
| dryRun bool | ||
| dumpMode bool | ||
| logLevel string | ||
| logOutput string | ||
| logServer string | ||
| filter string | ||
| localDir string | ||
| gitURL string | ||
| healthP int | ||
| resync int | ||
| exclkind []string | ||
| exclobj []string | ||
| ) | ||
|
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| func bindPFlag(key string, cmd string) { | ||
| if err := viper.BindPFlag(key, RootCmd.PersistentFlags().Lookup(cmd)); err != nil { | ||
| log.Fatal("Failed to bind cli argument:", err) | ||
| } | ||
| } | ||
|
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| func init() { | ||
| cobra.OnInitialize(loadConfigFile) | ||
| RootCmd.AddCommand(versionCmd) | ||
|
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| defaultCfg := "/etc/katafygio/" + appName + ".yaml" | ||
| RootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", defaultCfg, "Configuration file") | ||
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| RootCmd.PersistentFlags().StringVarP(&apiServer, "api-server", "s", "", "Kubernetes api-server url") | ||
| bindPFlag("api-server", "api-server") | ||
|
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| RootCmd.PersistentFlags().StringVarP(&kubeConf, "kube-config", "k", "", "Kubernetes config path") | ||
| bindPFlag("kube-config", "kube-config") | ||
| if err := viper.BindEnv("kube-config", "KUBECONFIG"); err != nil { | ||
| log.Fatal("Failed to bind cli argument:", err) | ||
| } | ||
|
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| RootCmd.PersistentFlags().BoolVarP(&dryRun, "dry-run", "d", false, "Dry-run mode: don't store anything") | ||
| bindPFlag("dry-run", "dry-run") | ||
|
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| RootCmd.PersistentFlags().BoolVarP(&dumpMode, "dump-only", "m", false, "Dump mode: dump everything once and exit") | ||
| bindPFlag("dump-only", "dump-only") | ||
|
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| RootCmd.PersistentFlags().StringVarP(&logLevel, "log-level", "v", "info", "Log level") | ||
| bindPFlag("log.level", "log-level") | ||
|
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| RootCmd.PersistentFlags().StringVarP(&logOutput, "log-output", "o", "stderr", "Log output") | ||
| bindPFlag("log.output", "log-output") | ||
|
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| RootCmd.PersistentFlags().StringVarP(&logServer, "log-server", "r", "", "Log server (if using syslog)") | ||
| bindPFlag("log.server", "log-server") | ||
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| RootCmd.PersistentFlags().StringVarP(&localDir, "local-dir", "e", "./kubernetes-backup", "Where to dump yaml files") | ||
| bindPFlag("local-dir", "local-dir") | ||
|
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| RootCmd.PersistentFlags().StringVarP(&gitURL, "git-url", "g", "", "Git repository URL") | ||
| bindPFlag("git-url", "git-url") | ||
|
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| RootCmd.PersistentFlags().StringSliceVarP(&exclkind, "exclude-kind", "x", nil, "Ressource kind to exclude. Eg. 'deployment'") | ||
| bindPFlag("exclude-kind", "exclude-kind") | ||
|
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| RootCmd.PersistentFlags().StringSliceVarP(&exclobj, "exclude-object", "y", nil, "Object to exclude. Eg. 'configmap:kube-system/kube-dns'") | ||
| bindPFlag("exclude-object", "exclude-object") | ||
|
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| RootCmd.PersistentFlags().StringVarP(&filter, "filter", "l", "", "Label filter. Select only objects matching the label.") | ||
| bindPFlag("filter", "filter") | ||
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| RootCmd.PersistentFlags().IntVarP(&healthP, "healthcheck-port", "p", 0, "Port for answering healthchecks on /health url") | ||
| bindPFlag("healthcheck-port", "healthcheck-port") | ||
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| RootCmd.PersistentFlags().IntVarP(&resync, "resync-interval", "i", 900, "Full resync interval in seconds (0 to disable)") | ||
| bindPFlag("resync-interval", "resync-interval") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| package cmd | ||
|
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| import "github.com/spf13/cobra" | ||
|
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| var ( | ||
| version = "0.3.0" | ||
|
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| versionCmd = &cobra.Command{ | ||
| Use: "version", | ||
| Short: "Print the version number", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| RootCmd.Printf("%s version %s\n", appName, version) | ||
| }, | ||
| } | ||
| ) |
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