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command.go
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/
command.go
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package main
import (
"bufio"
"bytes"
"fmt"
"html/template"
"os"
"strings"
"github.com/blablacar/dgr/dgr/common"
"github.com/n0rad/go-erlog/logs"
"github.com/spf13/cobra"
)
type DgrCommand interface {
Build() error
Update() error
CleanAndBuild() error
CleanAndTry() error
Clean()
Push() error
Install() ([]string, error)
Test() error
Graph() error
Sign() error
Init() error
Cp([]string) error
}
var cleanCmd = &cobra.Command{
Use: "clean",
Short: "clean build",
Long: `clean build, including rootfs`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
NewAciOrPod(workPath, Args).Clean()
},
}
var graphCmd = &cobra.Command{
Use: "graph",
Short: "generate dependency graph",
Long: `generate dependency graph`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
if err := NewAciOrPod(workPath, Args).Graph(); err != nil {
logs.WithE(err).Fatal("Install command failed")
}
},
}
var aciVersion = &cobra.Command{
Use: "aci-version file",
Short: "display version of aci",
Run: func(cmd *cobra.Command, args []string) {
if len(args) != 1 {
cmd.Usage()
os.Exit(1)
}
im, err := common.ExtractManifestFromAci(args[0])
if err != nil {
logs.WithE(err).Fatal("Failed to get manifest from file")
}
val, _ := im.Labels.Get("version")
fmt.Println(val)
},
}
var configCmd = &cobra.Command{
Use: "config",
Short: "display config elements",
Run: func(cmd *cobra.Command, args []string) {
templateStr := "{{.}}"
if len(args) > 1 {
for i := 0; i < len(args); i++ {
if len(args[i]) > 0 {
args[i] = strings.ToUpper(args[i][0:1]) + args[i][1:]
}
}
res := strings.Join(args, ".")
templateStr = "{{." + res + "}}"
} else if len(args) == 1 {
args := strings.Split(args[0], ".")
for i := 0; i < len(args); i++ {
if len(args[i]) > 0 {
args[i] = strings.ToUpper(args[i][0:1]) + args[i][1:]
}
}
res := strings.Join(args, ".")
templateStr = "{{." + res + "}}"
}
tmpl, err := template.New("").Parse(templateStr)
if err != nil {
logs.WithE(err).Fatal("Failed to parse config template")
}
b := bytes.Buffer{}
w := bufio.NewWriter(&b)
if err := tmpl.Execute(w, Home.Config); err != nil {
logs.WithE(err).Fatal("Failed to process config templating")
}
w.Flush()
fmt.Println(b.String())
},
}
var cpCmd = &cobra.Command{
Use: "cp",
Short: "cp file",
Long: `cp file or directory from aci to host`,
Run: func(cmd *cobra.Command, args []string) {
command := NewAciOrPod(workPath, Args)
if err := command.Cp(args); err != nil {
logs.WithE(err).Fatal("Cp command failed")
}
},
}
var versionCmd = &cobra.Command{
Use: "version",
Short: "Version of dgr",
Long: `Print the version number of dgr`,
Run: func(cmd *cobra.Command, args []string) {
displayVersionAndExit()
},
}
var buildCmd = newBuildCommand(false)
var installCmd = newInstallCommand(false)
var pushCmd = newPushCommand(false)
var testCmd = newTestCommand(false)
var tryCmd = newTryCommand(false)
var signCmd = newSignCommand(false)
var updateCmd = newUpdateCommand(false)
///////////////////////////////////////////////////////////////
func checkNoArgs(args []string) {
if len(args) > 0 {
logs.WithField("args", args).Fatal("Unknown arguments")
}
}
func newTryCommand(userClean bool) *cobra.Command {
cmd := &cobra.Command{
Use: "try",
Short: "try templater (experimental)",
Long: `try templater (experimental)`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
if err := NewAciOrPod(workPath, Args).CleanAndTry(); err != nil {
logs.WithE(err).Fatal("Try command failed")
}
},
}
return cmd
}
func newBuildCommand(userClean bool) *cobra.Command {
cmd := &cobra.Command{
Use: "build",
Short: "build aci or pod",
Long: `build an aci or a pod`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
if err := NewAciOrPod(workPath, Args).CleanAndBuild(); err != nil {
logs.WithE(err).Fatal("Build command failed")
}
},
}
cmd.Flags().BoolVarP(&Args.KeepBuilder, "keep-builder", "k", false, "Keep builder container after exit")
cmd.Flags().BoolVarP(&Args.CatchOnError, "catch-on-error", "c", false, "Catch a shell on build* runlevel fail") // TODO This is builder dependent and should be pushed by builder ? or find a way to become generic
cmd.Flags().BoolVarP(&Args.CatchOnStep, "catch-on-step", "C", false, "Catch a shell after each build* runlevel")
return cmd
}
func newUpdateCommand(userClean bool) *cobra.Command {
cmd := &cobra.Command{
Use: "update",
Short: "update attributes/templates/prestart in aci",
Long: `update attributes/templates/prestart in aci`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
if err := NewAciOrPod(workPath, Args).Update(); err != nil {
logs.WithE(err).Fatal("Update command failed")
}
},
}
cmd.Flags().BoolVarP(&Args.KeepBuilder, "keep-builder", "k", false, "Keep builder container after exit")
cmd.Flags().BoolVarP(&Args.CatchOnError, "catch-on-error", "c", false, "Catch a shell on build* runlevel fail") // TODO This is builder dependent and should be pushed by builder ? or find a way to become generic
cmd.Flags().BoolVarP(&Args.CatchOnStep, "catch-on-step", "C", false, "Catch a shell after each build* runlevel")
return cmd
}
func newSignCommand(underClean bool) *cobra.Command {
cmd := &cobra.Command{
Use: "sign",
Short: "sign image",
Long: `sign image`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
command := NewAciOrPod(workPath, Args)
if underClean {
command.Clean()
}
if err := command.Sign(); err != nil {
logs.WithE(err).Fatal("Sign command failed")
}
},
}
return cmd
}
func newInstallCommand(underClean bool) *cobra.Command {
cmd := &cobra.Command{
Use: "install",
Short: "install image(s)",
Long: `install image(s) to rkt local storage`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
command := NewAciOrPod(workPath, Args)
if underClean {
command.Clean()
}
if _, err := command.Install(); err != nil {
logs.WithE(err).Fatal("Install command failed")
}
},
}
cmd.Flags().BoolVarP(&Args.NoTestFail, "no-test-fail", "T", false, "Fail if no tests found")
cmd.Flags().BoolVarP(&Args.Test, "test", "t", false, "Run tests before install")
return cmd
}
func newPushCommand(underClean bool) *cobra.Command {
cmd := &cobra.Command{
Use: "push",
Short: "push image(s)",
Long: `push images to repository`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
command := NewAciOrPod(workPath, Args)
if underClean {
command.Clean()
}
if err := command.Push(); err != nil {
logs.WithE(err).Fatal("Push command failed")
}
},
}
cmd.Flags().BoolVarP(&Args.NoTestFail, "no-test-fail", "T", false, "Fail if no tests found")
cmd.Flags().BoolVarP(&Args.Test, "test", "t", false, "Run tests before push")
return cmd
}
func newTestCommand(underClean bool) *cobra.Command {
cmd := &cobra.Command{
Use: "test",
Short: "test image(s)",
Long: `test image(s)`,
Run: func(cmd *cobra.Command, args []string) {
checkNoArgs(args)
command := NewAciOrPod(workPath, Args)
if underClean {
command.Clean()
}
if err := command.Test(); err != nil {
logs.WithE(err).Fatal("Test command failed")
}
},
}
cmd.Flags().BoolVarP(&Args.NoTestFail, "no-test-fail", "T", false, "Fail if no tests found")
cmd.Flags().BoolVarP(&Args.KeepBuilder, "keep-builder", "k", false, "Keep aci & test builder container after exit")
return cmd
}
func init() {
cleanCmd.AddCommand(newInstallCommand(true))
cleanCmd.AddCommand(newPushCommand(true))
cleanCmd.AddCommand(newTestCommand(true))
cleanCmd.AddCommand(newBuildCommand(true))
cleanCmd.AddCommand(newTryCommand(true))
cleanCmd.AddCommand(newSignCommand(true))
cleanCmd.AddCommand(newUpdateCommand(true))
}