mirror of https://github.com/hashicorp/packer
Matthew Patton
7 years ago
parent
d5c5306a97
commit
3590fae8bd
@ -1,41 +0,0 @@
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package packer
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import (
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"io/ioutil"
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"log"
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"os"
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)
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// ConfigFile returns the default path to the configuration file. On
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// Unix-like systems this is the ".packerconfig" file in the home directory.
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// On Windows, this is the "packer.config" file in the application data
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// directory.
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func ConfigFile() (string, error) {
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return configFile()
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}
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// ConfigDir returns the configuration directory for Packer.
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func ConfigDir() (string, error) {
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return configDir()
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}
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// ConfigTmpDir returns the configuration tmp directory for Packer
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func ConfigTmpDir() (string, error) {
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var tmpdir, td, cd string
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var err error
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cd, _ = ConfigDir()
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for _, tmpdir = range []string{os.Getenv("PACKER_TMP_DIR"), os.TempDir(), cd} {
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if tmpdir != "" {
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break
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}
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}
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if td, err = ioutil.TempDir(tmpdir, "packer"); err != nil {
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log.Fatal(err)
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}
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defer os.RemoveAll(td)
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return td, nil
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}
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@ -0,0 +1,47 @@
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package configfile
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import (
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"os"
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"path/filepath"
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)
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const EnvPackerTmpDir = "PACKER_TMP_DIR"
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// ConfigFile returns the default path to the configuration file. On
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// Unix-like systems this is the ".packerconfig" file in the home directory.
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// On Windows, this is the "packer.config" file in the application data
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// directory.
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func ConfigFile() (string, error) {
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return configFile()
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}
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// ConfigDir returns the configuration directory for Packer.
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func ConfigDir() (string, error) {
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return configDir()
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}
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// ConfigTmpDir returns a "deterministic" (based on environment or Packer config)
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// path intended as the root of subsequent temporary items, to minimize scatter.
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//
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// The caller must ensure safe tempfile practice via ioutil.TempDir() and friends.
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func ConfigTmpDir() (string, error) {
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var tmpdir, td string
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var err error
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if tmpdir = os.Getenv(EnvPackerTmpDir); tmpdir != "" {
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td, err = filepath.Abs(tmpdir)
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} else if tmpdir, err = configDir(); err == nil {
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td = filepath.Join(tmpdir, "tmp")
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} else if tmpdir = os.TempDir(); tmpdir != "" {
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td = filepath.Join(tmpdir, "packer")
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}
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if _, err = os.Stat(td); os.IsNotExist(err) {
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err = os.MkdirAll(td, 0700)
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}
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if err != nil {
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return "", err
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}
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return td, nil
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}
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@ -0,0 +1,65 @@
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package configfile
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import (
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"os"
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"path/filepath"
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"io/ioutil"
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"fmt"
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"testing"
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)
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func testConfigTmpDir_impl(t *testing.T) string {
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var dir string
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prefix, _ := ConfigTmpDir()
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if dir, err := ioutil.TempDir(prefix, ""); err == nil {
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defer os.RemoveAll(dir)
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} else {
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_ := fmt.Errorf("Error making directory: %s", err)
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}
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return dir
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}
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func TestConfigTmpDir(t *testing.T) {
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testConfigTmpDir_impl(t)
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}
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func TestConfigTmpDir_noenv_PackerTmpDir(t *testing.T) {
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oldenv := os.Getenv(EnvPackerTmpDir)
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defer os.Setenv(EnvPackerTmpDir, oldenv)
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os.Setenv(EnvPackerTmpDir, "")
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dir1 := testConfigTmpDir_impl(t)
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cd, err := ConfigDir()
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if err != nil {
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t.Fatalf("bad ConfigDir")
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}
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td := filepath.Join(cd, "tmp")
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os.Setenv(EnvPackerTmpDir, td)
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dir2 := testConfigTmpDir_impl(t)
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if filepath.Dir(dir1) != filepath.Dir(dir2) {
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t.Fatalf("base directories do not match: %s %s", filepath.Dir(dir1), filepath.Dir(dir2))
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}
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}
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func TestConfigTmpDir_PackerTmpDir(t *testing.T) {
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oldenv := os.Getenv(EnvPackerTmpDir)
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defer os.Setenv(EnvPackerTmpDir, oldenv)
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os.Setenv(EnvPackerTmpDir, ".")
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dir1 := testConfigTmpDir_impl(t)
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abspath, err := filepath.Abs(".")
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if err != nil {
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t.Fatalf("bad absolute path")
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}
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dir2 := filepath.Join(abspath, "tmp")
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if filepath.Dir(dir1) != filepath.Dir(dir2) {
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t.Fatalf("base directories do not match: %s %s", filepath.Dir(dir1), filepath.Dir(dir2))
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}
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}
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@ -1,6 +1,6 @@
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// +build windows
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package packer
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package configfile
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import (
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"path/filepath"
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