Esempio n. 1
0
func PersistUnitNameInWorkspace(name string, workspace string) error {
	file := system.File{
		Path:               path.Join("scripts", "unit-name"),
		RawFilePermissions: "0644",
		Content:            name,
	}
	_, err := system.WriteFile(&file, workspace)
	return err
}
Esempio n. 2
0
func TestOEMReleaseWrittenToDisk(t *testing.T) {
	oem := OEMRelease{
		ID:           "rackspace",
		Name:         "Rackspace Cloud Servers",
		VersionID:    "168.0.0",
		HomeURL:      "https://www.rackspace.com/cloud/servers/",
		BugReportURL: "https://github.com/coreos/coreos-overlay",
	}
	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
	if err != nil {
		t.Fatalf("Unable to create tempdir: %v", err)
	}
	defer os.RemoveAll(dir)

	f, err := oem.File(dir)
	if err != nil {
		t.Fatalf("Processing of OEMRelease failed: %v", err)
	}
	if f == nil {
		t.Fatalf("OEMRelease returned nil file unexpectedly")
	}

	if _, err := system.WriteFile(f, dir); err != nil {
		t.Fatalf("Writing of OEMRelease failed: %v", err)
	}

	fullPath := path.Join(dir, "etc", "oem-release")

	fi, err := os.Stat(fullPath)
	if err != nil {
		t.Fatalf("Unable to stat file: %v", err)
	}

	if fi.Mode() != os.FileMode(0644) {
		t.Errorf("File has incorrect mode: %v", fi.Mode())
	}

	contents, err := ioutil.ReadFile(fullPath)
	if err != nil {
		t.Fatalf("Unable to read expected file: %v", err)
	}

	expect := `ID=rackspace
VERSION_ID=168.0.0
NAME="Rackspace Cloud Servers"
HOME_URL="https://www.rackspace.com/cloud/servers/"
BUG_REPORT_URL="https://github.com/coreos/coreos-overlay"
`
	if string(contents) != expect {
		t.Fatalf("File has incorrect contents")
	}
}
Esempio n. 3
0
func TestUpdateConfWrittenToDisk(t *testing.T) {
	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
	if err != nil {
		t.Fatalf("Unable to create tempdir: %v", err)
	}
	defer os.RemoveAll(dir)
	setupFixtures(dir)

	for i := 0; i < 2; i++ {
		if i == 1 {
			err = ioutil.WriteFile(path.Join(dir, "etc", "coreos", "update.conf"), []byte(configured), 0644)
			if err != nil {
				t.Fatal(err)
			}
		}
		uc := &UpdateConfig{"reboot-strategy": "etcd-lock"}

		f, err := uc.File(dir)
		if err != nil {
			t.Fatalf("Processing UpdateConfig failed: %v", err)
		} else if f == nil {
			t.Fatal("Unexpectedly got nil updateconfig file")
		}

		if _, err := system.WriteFile(f, dir); err != nil {
			t.Fatalf("Error writing update config: %v", err)
		}

		fullPath := path.Join(dir, "etc", "coreos", "update.conf")

		fi, err := os.Stat(fullPath)
		if err != nil {
			t.Fatalf("Unable to stat file: %v", err)
		}

		if fi.Mode() != os.FileMode(0644) {
			t.Errorf("File has incorrect mode: %v", fi.Mode())
		}

		contents, err := ioutil.ReadFile(fullPath)
		if err != nil {
			t.Fatalf("Unable to read expected file: %v", err)
		}

		if string(contents) != expected {
			t.Fatalf("File has incorrect contents, got %v, wanted %v", string(contents), expected)
		}
	}
}
func TestEtcHostsWrittenToDisk(t *testing.T) {
	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
	if err != nil {
		t.Fatalf("Unable to create tempdir: %v", err)
	}
	defer os.RemoveAll(dir)

	eh := EtcHosts("localhost")

	f, err := eh.File(dir)
	if err != nil {
		t.Fatalf("Error calling File on EtcHosts: %v", err)
	}
	if f == nil {
		t.Fatalf("manageEtcHosts returned nil file unexpectedly")
	}

	if _, err := system.WriteFile(f, dir); err != nil {
		t.Fatalf("Error writing EtcHosts: %v", err)
	}

	fullPath := path.Join(dir, "etc", "hosts")

	fi, err := os.Stat(fullPath)
	if err != nil {
		t.Fatalf("Unable to stat file: %v", err)
	}

	if fi.Mode() != os.FileMode(0644) {
		t.Errorf("File has incorrect mode: %v", fi.Mode())
	}

	contents, err := ioutil.ReadFile(fullPath)
	if err != nil {
		t.Fatalf("Unable to read expected file: %v", err)
	}

	hostname, err := os.Hostname()
	if err != nil {
		t.Fatalf("Unable to read OS hostname: %v", err)
	}

	expect := fmt.Sprintf("%s %s\n", DefaultIpv4Address, hostname)

	if string(contents) != expect {
		t.Fatalf("File has incorrect contents")
	}
}
Esempio n. 5
0
func PersistScriptInWorkspace(script system.Script, workspace string) (string, error) {
	scriptsPath := path.Join(workspace, "scripts")
	tmp, err := ioutil.TempFile(scriptsPath, "")
	if err != nil {
		return "", err
	}
	tmp.Close()

	relpath := strings.TrimPrefix(tmp.Name(), workspace)

	file := system.File{
		Path:               relpath,
		RawFilePermissions: "0744",
		Content:            string(script),
	}

	return system.WriteFile(&file, workspace)
}
Esempio n. 6
0
// Apply renders a CloudConfig to an Environment. This can involve things like
// configuring the hostname, adding new users, writing various configuration
// files to disk, and manipulating systemd services.
func Apply(cfg CloudConfig, env *Environment) error {
	if cfg.Hostname != "" {
		if err := system.SetHostname(cfg.Hostname); err != nil {
			return err
		}
		log.Printf("Set hostname to %s", cfg.Hostname)
	}

	for _, user := range cfg.Users {
		if user.Name == "" {
			log.Printf("User object has no 'name' field, skipping")
			continue
		}

		if system.UserExists(&user) {
			log.Printf("User '%s' exists, ignoring creation-time fields", user.Name)
			if user.PasswordHash != "" {
				log.Printf("Setting '%s' user's password", user.Name)
				if err := system.SetUserPassword(user.Name, user.PasswordHash); err != nil {
					log.Printf("Failed setting '%s' user's password: %v", user.Name, err)
					return err
				}
			}
		} else {
			log.Printf("Creating user '%s'", user.Name)
			if err := system.CreateUser(&user); err != nil {
				log.Printf("Failed creating user '%s': %v", user.Name, err)
				return err
			}
		}

		if len(user.SSHAuthorizedKeys) > 0 {
			log.Printf("Authorizing %d SSH keys for user '%s'", len(user.SSHAuthorizedKeys), user.Name)
			if err := system.AuthorizeSSHKeys(user.Name, env.SSHKeyName(), user.SSHAuthorizedKeys); err != nil {
				return err
			}
		}
		if user.SSHImportGithubUser != "" {
			log.Printf("Authorizing github user %s SSH keys for CoreOS user '%s'", user.SSHImportGithubUser, user.Name)
			if err := SSHImportGithubUser(user.Name, user.SSHImportGithubUser); err != nil {
				return err
			}
		}
		if user.SSHImportURL != "" {
			log.Printf("Authorizing SSH keys for CoreOS user '%s' from '%s'", user.Name, user.SSHImportURL)
			if err := SSHImportKeysFromURL(user.Name, user.SSHImportURL); err != nil {
				return err
			}
		}
	}

	if len(cfg.SSHAuthorizedKeys) > 0 {
		err := system.AuthorizeSSHKeys("core", env.SSHKeyName(), cfg.SSHAuthorizedKeys)
		if err == nil {
			log.Printf("Authorized SSH keys for core user")
		} else {
			return err
		}
	}

	for _, ccf := range []CloudConfigFile{cfg.Coreos.OEM, cfg.Coreos.Update, cfg.ManageEtcHosts} {
		f, err := ccf.File(env.Root())
		if err != nil {
			return err
		}
		if f != nil {
			cfg.WriteFiles = append(cfg.WriteFiles, *f)
		}
	}

	for _, ccu := range []CloudConfigUnit{cfg.Coreos.Etcd, cfg.Coreos.Fleet, cfg.Coreos.Update} {
		u, err := ccu.Units(env.Root())
		if err != nil {
			return err
		}
		cfg.Coreos.Units = append(cfg.Coreos.Units, u...)
	}

	wroteEnvironment := false
	for _, file := range cfg.WriteFiles {
		fullPath, err := system.WriteFile(&file, env.Root())
		if err != nil {
			return err
		}
		if path.Clean(file.Path) == "/etc/environment" {
			wroteEnvironment = true
		}
		log.Printf("Wrote file %s to filesystem", fullPath)
	}

	if !wroteEnvironment {
		ef := env.DefaultEnvironmentFile()
		if ef != nil {
			err := system.WriteEnvFile(ef, env.Root())
			if err != nil {
				return err
			}
			log.Printf("Updated /etc/environment")
		}
	}

	if env.NetconfType() != "" {
		netconfBytes, err := ioutil.ReadFile(path.Join(env.ConfigRoot(), cfg.NetworkConfigPath))
		if err != nil {
			return err
		}

		var interfaces []network.InterfaceGenerator
		switch env.NetconfType() {
		case "debian":
			interfaces, err = network.ProcessDebianNetconf(string(netconfBytes))
		default:
			return fmt.Errorf("Unsupported network config format %q", env.NetconfType())
		}

		if err != nil {
			return err
		}

		if err := system.WriteNetworkdConfigs(interfaces); err != nil {
			return err
		}
		if err := system.RestartNetwork(interfaces); err != nil {
			return err
		}
	}

	um := system.NewUnitManager(env.Root())
	return processUnits(cfg.Coreos.Units, env.Root(), um)

}