linka-cloud/d2vm
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Code Issues Releases Activity

improved commands output: add --time format option and color output

Browse Source 
Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
This commit is contained in:
Adphi 2022-09-09 13:22:04 +02:00
parent 77eac66d01
commit 9893c8a95a
Signed by: adphi
GPG Key ID: 46BE4062DB2397FF
7 changed files with 106 additions and 23 deletions
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2
cmd/d2vm/build.go
View File

@ -31,7 +31,7 @@ import (
var (
file = "Dockerfile"
tag = uuid.New().String()
tag = "d2vm-"+uuid.New().String()
networkManager string
buildArgs []string
buildCmd = &cobra.Command{

73
cmd/d2vm/main.go
View File

@ -15,11 +15,15 @@
package main
import (
"bytes"
"context"
"fmt"
"os"
"os/signal"
"strings"
"time"
"github.com/fatih/color"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
@ -28,18 +32,26 @@ import (
)
var (
output = "disk0.qcow2"
size = "1G"
password = "root"
force = false
verbose = false
format = "qcow2"
output = "disk0.qcow2"
size = "1G"
password = "root"
force = false
verbose = false
timeFormat = ""
format = "qcow2"
rootCmd = &cobra.Command{
Use: "d2vm",
SilenceUsage: true,
Version: d2vm.Version,
PersistentPreRun: func(cmd *cobra.Command, args []string) {
switch timeFormat {
case "full", "f":
case "relative", "rel", "r":
case "none", "":
default:
logrus.Fatalf("invalid time format: %s. Valid format: 'relative', 'full'", timeFormat)
}
if verbose {
logrus.SetLevel(logrus.TraceLevel)
}
@ -66,4 +78,53 @@ func init() {
rootCmd.PersistentFlags().BoolVarP(&verbose, "debug", "d", false, "Enable Debug output")
rootCmd.PersistentFlags().MarkDeprecated("debug", "use -v instead")
rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "Enable Verbose output")
rootCmd.PersistentFlags().StringVarP(&timeFormat, "time", "t", "none", "Enable formated timed output, valide formats: 'relative (rel | r)', 'full (f)'")
color.NoColor = false
logrus.StandardLogger().Formatter = &logfmtFormatter{start: time.Now()}
}
const (
red = 31
yellow = 33
blue = 36
gray = 90
)
type logfmtFormatter struct {
start time.Time
}
func (f *logfmtFormatter) Format(entry *logrus.Entry) ([]byte, error) {
var b bytes.Buffer
var c *color.Color
switch entry.Level {
case logrus.DebugLevel, logrus.TraceLevel:
c = color.New(gray)
// case logrus.InfoLevel:
// c = color.New(blue)
case logrus.WarnLevel:
c = color.New(yellow)
case logrus.ErrorLevel, logrus.FatalLevel, logrus.PanicLevel:
c = color.New(red)
default:
c = color.New(color.FgWhite)
}
msg := entry.Message
if len(entry.Message) > 0 && entry.Level < logrus.DebugLevel {
msg = strings.ToTitle(string(msg[0])) + msg[1:]
}
var err error
switch timeFormat {
case "full", "f":
_, err = c.Fprintf(&b, "[%s] %s\n", entry.Time.Format("2006-01-02 15:04:05"), entry.Message)
case "relative", "rel", "r":
_, err = c.Fprintf(&b, "[%5v] %s\n", entry.Time.Sub(f.start).Truncate(time.Second).String(), msg)
default:
_, err = c.Fprintln(&b, msg)
}
if err != nil {
return nil, err
}
return b.Bytes(), nil
}

32
cmd/d2vm/run/hetzner.go
View File

@ -24,6 +24,7 @@ import (
"os/exec"
"path/filepath"
"runtime"
"strings"
"time"
"github.com/dustin/go-humanize"
@ -62,7 +63,7 @@ var (
)
func init() {
HetznerCmd.Flags().StringVarP(&hetznerToken, "token", "t", "", "Hetzner Cloud API token [$"+hetznerTokenEnv+"]")
HetznerCmd.Flags().StringVar(&hetznerToken, "token", "", "Hetzner Cloud API token [$"+hetznerTokenEnv+"]")
HetznerCmd.Flags().StringVarP(&hetznerSSHUser, "user", "u", "root", "d2vm image ssh user")
HetznerCmd.Flags().StringVarP(&hetznerSSHKeyPath, "ssh-key", "i", "", "d2vm image identity key")
HetznerCmd.Flags().BoolVar(&hetznerRemove, "rm", false, "remove server when done")
@ -175,6 +176,7 @@ func runHetzner(ctx context.Context, imgPath string, stdin io.Reader, stderr io.
return err
}
f, err := sftpc.Create(sparsecatPath)
logrus.Debugf("creating sparsecat on remote host")
if err != nil {
return err
}
@ -197,7 +199,9 @@ func runHetzner(ctx context.Context, imgPath string, stdin io.Reader, stderr io.
}
defer s.Close()
logrus.Infof("installing cloud-guest-utils on rescue server")
if b, err := s.CombinedOutput("apt update && apt install -y cloud-guest-utils"); err != nil {
cmd := "apt update && apt install -y cloud-guest-utils"
logrus.Debugf("$ %s", cmd)
if b, err := s.CombinedOutput(cmd); err != nil {
return fmt.Errorf("%v: %s", err, string(b))
}
return nil
@ -245,8 +249,11 @@ func runHetzner(ctx context.Context, imgPath string, stdin io.Reader, stderr io.
} else {
cmd = fmt.Sprintf("dd of=%s", vmBlockPath)
}
logrus.Debugf("$ %s", cmd)
if b, err := wses.CombinedOutput(cmd); err != nil {
return fmt.Errorf("%v: %s", err, string(b))
} else {
logrus.Debugf(string(b))
}
return nil
}()
@ -267,8 +274,12 @@ func runHetzner(ctx context.Context, imgPath string, stdin io.Reader, stderr io.
}
defer gses.Close()
logrus.Infof("resizing disk partition")
if b, err := gses.CombinedOutput(fmt.Sprintf("growpart %s 1", vmBlockPath)); err != nil {
cmd := fmt.Sprintf("growpart %s 1", vmBlockPath)
logrus.Debugf("$ %s", cmd)
if b, err := gses.CombinedOutput(cmd); err != nil {
return fmt.Errorf("%v: %s", err, string(b))
} else {
logrus.Debugf(string(b))
}
eses, err := sc.NewSession()
if err != nil {
@ -276,7 +287,9 @@ func runHetzner(ctx context.Context, imgPath string, stdin io.Reader, stderr io.
}
defer eses.Close()
logrus.Infof("extending partition file system")
if b, err := eses.CombinedOutput(fmt.Sprintf("resize2fs %s1", vmBlockPath)); err != nil {
cmd = fmt.Sprintf("resize2fs %s1", vmBlockPath)
logrus.Debugf("$ %s", cmd)
if b, err := eses.CombinedOutput(cmd); err != nil {
return fmt.Errorf("%v: %s", err, string(b))
}
logrus.Infof("rebooting server")
@ -314,11 +327,12 @@ wait:
args = append(args, "-i", hetznerSSHKeyPath)
}
args = append(args, fmt.Sprintf("%s@%s", hetznerSSHUser, sres.Server.PublicNet.IPv4.IP.String()))
cmd := exec.CommandContext(ctx, "ssh", args...)
cmd.Stdin = stdin
cmd.Stderr = stderr
cmd.Stdout = stdout
if err := cmd.Run(); err != nil {
logrus.Debugf("$ ssh %s", strings.Join(args, " "))
sshCmd := exec.CommandContext(ctx, "ssh", args...)
sshCmd.Stdin = stdin
sshCmd.Stderr = stderr
sshCmd.Stdout = stdout
if err := sshCmd.Run(); err != nil {
return err
}
return nil

2
convert.go
View File

@ -50,7 +50,7 @@ func Convert(ctx context.Context, img string, opts ...ConvertOption) error {
if err != nil {
return err
}
logrus.Infof("docker image based on %s", d.Release.Name)
logrus.Infof("docker image based on %s %s", d.Release.Name, d.Release.Version)
p := filepath.Join(tmpPath, docker.FormatImgName(img))
dir := filepath.Dir(p)
f, err := os.Create(p)

3
go.mod
View File

@ -33,12 +33,15 @@ require (
github.com/docker/docker-credential-helpers v0.6.4 // indirect
github.com/docker/go-connections v0.4.1-0.20190612165340-fd1b1942c4d5 // indirect
github.com/docker/go-units v0.4.0 // indirect
github.com/fatih/color v1.13.0 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/google/go-cmp v0.5.6 // indirect
github.com/inconshreveable/mousetrap v1.0.0 // indirect
github.com/klauspost/compress v1.13.6 // indirect
github.com/kr/fs v0.1.0 // indirect
github.com/mattn/go-colorable v0.1.12 // indirect
github.com/mattn/go-isatty v0.0.14 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
github.com/mitchellh/go-homedir v1.1.0 // indirect
github.com/opencontainers/go-digest v1.0.0 // indirect

3
go.sum
View File

@ -319,6 +319,7 @@ github.com/envoyproxy/protoc-gen-validate v0.6.2/go.mod h1:2t7qjJNvHPx8IjnBOzl9E
github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
github.com/frankban/quicktest v1.11.3/go.mod h1:wRf/ReqHper53s+kmmSZizM8NamnL3IM0I9ntUbOk+k=
@ -559,6 +560,7 @@ github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaO
github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
@ -566,6 +568,7 @@ github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hd
github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE=
github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
github.com/mattn/go-shellwords v1.0.3/go.mod h1:3xCvwCdWdlDJUrvuMn7Wuy9eWs4pE8vqg+NOMyg4B2o=

14
pkg/exec/exec.go
View File

@ -18,9 +18,10 @@ import (
"bytes"
"context"
"fmt"
"os"
"os/exec"
"strings"
"github.com/sirupsen/logrus"
)
var (
@ -31,17 +32,18 @@ var (
func SetDebug(debug bool) {
if debug {
Run = RunStdout
Run = RunDebug
logrus.SetLevel(logrus.DebugLevel)
} else {
Run = RunNoOut
}
}
func RunStdout(ctx context.Context, c string, args ...string) error {
fmt.Printf("\n$ %s %s\n", c, strings.Join(args, " "))
func RunDebug(ctx context.Context, c string, args ...string) error {
logrus.Debugf("$ %s %s", c, strings.Join(args, " "))
cmd := exec.CommandContext(ctx, c, args...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Stdout = logrus.StandardLogger().WriterLevel(logrus.DebugLevel)
cmd.Stderr = logrus.StandardLogger().WriterLevel(logrus.DebugLevel)
return cmd.Run()
}