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main.go
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main.go
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package main
import (
"flag"
"fmt"
"log"
"os"
"runtime/debug"
)
var flagset = flag.NewFlagSet("crypt", flag.ExitOnError)
var (
Version = "dev"
Commit string
CommitDate string
builtBy string
)
var (
data string
backendName string
key string
keyring string
endpoint string
secretKeyring string
plaintext bool
machines []string
)
func init() {
flagset.StringVar(&backendName, "backend", "etcd", "backend provider")
flagset.StringVar(&endpoint, "endpoint", "", "backend url")
flagset.BoolVar(&plaintext, "plaintext", false, "skip encryption")
}
func main() {
log.SetFlags(0)
if len(os.Args) < 2 {
help()
}
cmd := os.Args[1]
switch cmd {
case "set":
setCmd(flagset)
case "get":
getCmd(flagset)
case "list":
listCmd(flagset)
case "version":
ver := buildVersion(Version, Commit, CommitDate, builtBy)
versionCmd(flagset, ver)
default:
help()
}
}
func help() {
const usage = `usage: %s COMMAND [arg...]
commands:
get retrieve the value of a key
list retrieve all values under a key
set set the value of a key
version print the version of crypt
-plaintext don't encrypt or decrypt the values before storage or retrieval
`
_, _ = fmt.Fprintf(os.Stderr, usage, os.Args[0])
os.Exit(1)
}
func buildVersion(version, commit, date, builtBy string) string {
result := "crypt version " + version
if commit != "" {
result = fmt.Sprintf("%s\ncommit: %s", result, commit)
}
if date != "" {
result = fmt.Sprintf("%s\nbuilt at: %s", result, date)
}
if builtBy != "" {
result = fmt.Sprintf("%s\nbuilt by: %s", result, builtBy)
}
if info, ok := debug.ReadBuildInfo(); ok && info.Main.Sum != "" {
result = fmt.Sprintf("%s\nmodule version: %s, checksum: %s", result, info.Main.Version, info.Main.Sum)
}
return result
}