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Copy pathcmd.go
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330 lines (284 loc) · 7.86 KB
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package helm
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"path"
"path/filepath"
"regexp"
executil "github.com/argoproj/argo-cd/util/exec"
"github.com/argoproj/argo-cd/util/io"
)
// A thin wrapper around the "helm" command, adding logging and error translation.
type Cmd struct {
HelmVer
helmHome string
WorkDir string
IsLocal bool
IsHelmOci bool
}
func NewCmd(workDir string, version string) (*Cmd, error) {
if version != "" {
switch version {
case "v2":
return NewCmdWithVersion(workDir, HelmV2, false)
case "v3":
return NewCmdWithVersion(workDir, HelmV3, false)
}
}
helmVersion, err := getHelmVersion(workDir)
if err != nil {
return nil, err
}
return NewCmdWithVersion(workDir, *helmVersion, false)
}
func NewCmdWithVersion(workDir string, version HelmVer, isHelmOci bool) (*Cmd, error) {
tmpDir, err := ioutil.TempDir("", "helm")
if err != nil {
return nil, err
}
return &Cmd{WorkDir: workDir, helmHome: tmpDir, HelmVer: version, IsHelmOci: isHelmOci}, err
}
var redactor = func(text string) string {
return regexp.MustCompile("(--username|--password) [^ ]*").ReplaceAllString(text, "$1 ******")
}
func (c Cmd) run(args ...string) (string, error) {
cmd := exec.Command(c.binaryName, args...)
cmd.Dir = c.WorkDir
cmd.Env = os.Environ()
if !c.IsLocal {
cmd.Env = append(cmd.Env,
fmt.Sprintf("XDG_CACHE_HOME=%s/cache", c.helmHome),
fmt.Sprintf("XDG_CONFIG_HOME=%s/config", c.helmHome),
fmt.Sprintf("XDG_DATA_HOME=%s/data", c.helmHome),
fmt.Sprintf("HELM_HOME=%s", c.helmHome))
}
if c.IsHelmOci {
cmd.Env = append(cmd.Env, "HELM_EXPERIMENTAL_OCI=1")
}
return executil.RunWithRedactor(cmd, redactor)
}
func (c *Cmd) Init() (string, error) {
if c.initSupported {
return c.run("init", "--client-only", "--skip-refresh")
}
return "", nil
}
func (c *Cmd) Login(repo string, creds Creds) (string, error) {
args := []string{"registry", "login"}
args = append(args, repo)
if creds.Username != "" {
args = append(args, "--username", creds.Username)
}
if creds.Password != "" {
args = append(args, "--password", creds.Password)
}
if creds.CAPath != "" {
args = append(args, "--ca-file", creds.CAPath)
}
if len(creds.CertData) > 0 {
filePath, closer, err := writeToTmp(creds.CertData)
if err != nil {
return "", err
}
defer io.Close(closer)
args = append(args, "--cert-file", filePath)
}
if len(creds.KeyData) > 0 {
filePath, closer, err := writeToTmp(creds.KeyData)
if err != nil {
return "", err
}
defer io.Close(closer)
args = append(args, "--key-file", filePath)
}
if creds.InsecureSkipVerify {
args = append(args, "--insecure")
}
return c.run(args...)
}
func (c *Cmd) Logout(repo string, creds Creds) (string, error) {
args := []string{"registry", "logout"}
args = append(args, repo)
if creds.CAPath != "" {
args = append(args, "--ca-file", creds.CAPath)
}
if len(creds.CertData) > 0 {
filePath, closer, err := writeToTmp(creds.CertData)
if err != nil {
return "", err
}
defer io.Close(closer)
args = append(args, "--cert-file", filePath)
}
if len(creds.KeyData) > 0 {
filePath, closer, err := writeToTmp(creds.KeyData)
if err != nil {
return "", err
}
defer io.Close(closer)
args = append(args, "--key-file", filePath)
}
return c.run(args...)
}
func (c *Cmd) RepoAdd(name string, url string, opts Creds) (string, error) {
tmp, err := ioutil.TempDir("", "helm")
if err != nil {
return "", err
}
defer func() { _ = os.RemoveAll(tmp) }()
args := []string{"repo", "add"}
if opts.Username != "" {
args = append(args, "--username", opts.Username)
}
if opts.Password != "" {
args = append(args, "--password", opts.Password)
}
if opts.CAPath != "" {
args = append(args, "--ca-file", opts.CAPath)
}
if opts.InsecureSkipVerify && c.insecureSkipVerifySupported {
args = append(args, "--insecure-skip-tls-verify")
}
if len(opts.CertData) > 0 {
certFile, err := ioutil.TempFile("", "helm")
if err != nil {
return "", err
}
_, err = certFile.Write(opts.CertData)
if err != nil {
return "", err
}
args = append(args, "--cert-file", certFile.Name())
}
if len(opts.KeyData) > 0 {
keyFile, err := ioutil.TempFile("", "helm")
if err != nil {
return "", err
}
_, err = keyFile.Write(opts.KeyData)
if err != nil {
return "", err
}
args = append(args, "--key-file", keyFile.Name())
}
args = append(args, name, url)
return c.run(args...)
}
func writeToTmp(data []byte) (string, io.Closer, error) {
file, err := ioutil.TempFile("", "")
if err != nil {
return "", nil, err
}
err = ioutil.WriteFile(file.Name(), data, 0644)
if err != nil {
_ = os.RemoveAll(file.Name())
return "", nil, err
}
return file.Name(), io.NewCloser(func() error {
return os.RemoveAll(file.Name())
}), nil
}
func (c *Cmd) Fetch(repo, chartName, version, destination string, creds Creds) (string, error) {
args := []string{c.pullCommand, "--destination", destination}
if version != "" {
args = append(args, "--version", version)
}
if creds.Username != "" {
args = append(args, "--username", creds.Username)
}
if creds.Password != "" {
args = append(args, "--password", creds.Password)
}
args = append(args, "--repo", repo, chartName)
if creds.CAPath != "" {
args = append(args, "--ca-file", creds.CAPath)
}
if len(creds.CertData) > 0 {
filePath, closer, err := writeToTmp(creds.CertData)
if err != nil {
return "", err
}
defer io.Close(closer)
args = append(args, "--cert-file", filePath)
}
if len(creds.KeyData) > 0 {
filePath, closer, err := writeToTmp(creds.KeyData)
if err != nil {
return "", err
}
defer io.Close(closer)
args = append(args, "--key-file", filePath)
}
return c.run(args...)
}
func (c *Cmd) ChartPull(repo string, chart string, version string) (string, error) {
return c.run("chart", "pull", fmt.Sprintf("%s/%s:%s", repo, chart, version))
}
func (c *Cmd) ChartExport(repo string, chartName string, version string, destination string) (string, error) {
args := []string{"chart", "export"}
chartURL := fmt.Sprintf(repo + "/" + chartName + ":" + version)
args = append(args, chartURL, "--destination", destination)
return c.run(args...)
}
func (c *Cmd) dependencyBuild() (string, error) {
return c.run("dependency", "build")
}
func (c *Cmd) inspectValues(values string) (string, error) {
return c.run(c.showCommand, "values", values)
}
type TemplateOpts struct {
Name string
Namespace string
KubeVersion string
APIVersions []string
Set map[string]string
SetString map[string]string
SetFile map[string]string
Values []string
}
var (
re = regexp.MustCompile(`([^\\]),`)
)
func cleanSetParameters(val string) string {
return re.ReplaceAllString(val, `$1\,`)
}
func (c *Cmd) template(chartPath string, opts *TemplateOpts) (string, error) {
if c.HelmVer.getPostTemplateCallback != nil {
if callback, err := c.HelmVer.getPostTemplateCallback(filepath.Clean(path.Join(c.WorkDir, chartPath))); err == nil {
defer callback()
} else {
return "", err
}
}
args := []string{"template", chartPath, c.templateNameArg, opts.Name}
if opts.Namespace != "" {
args = append(args, "--namespace", opts.Namespace)
}
if opts.KubeVersion != "" && c.kubeVersionSupported {
args = append(args, "--kube-version", opts.KubeVersion)
}
for key, val := range opts.Set {
args = append(args, "--set", key+"="+cleanSetParameters(val))
}
for key, val := range opts.SetString {
args = append(args, "--set-string", key+"="+cleanSetParameters(val))
}
for key, val := range opts.SetFile {
args = append(args, "--set-file", key+"="+cleanSetParameters(val))
}
for _, val := range opts.Values {
args = append(args, "--values", val)
}
for _, v := range opts.APIVersions {
args = append(args, "--api-versions", v)
}
if c.HelmVer.additionalTemplateArgs != nil {
args = append(args, c.HelmVer.additionalTemplateArgs...)
}
return c.run(args...)
}
func (c *Cmd) Close() {
_ = os.RemoveAll(c.helmHome)
}