cloudinit/config/config_test.go
Alex Crawford 057ab37364 config: seperate the CoreOS type from CloudConfig
Renamed Coreos to CoreOS while I was at it.
2014-12-30 16:20:20 +01:00

482 lines
12 KiB
Go

/*
Copyright 2014 CoreOS, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package config
import (
"reflect"
"strings"
"testing"
)
func TestIsZero(t *testing.T) {
tests := []struct {
c interface{}
empty bool
}{
{struct{}{}, true},
{struct{ a, b string }{}, true},
{struct{ A, b string }{}, true},
{struct{ A, B string }{}, true},
{struct{ A string }{A: "hello"}, false},
{struct{ A int }{}, true},
{struct{ A int }{A: 1}, false},
}
for _, tt := range tests {
if empty := IsZero(tt.c); tt.empty != empty {
t.Errorf("bad result (%q): want %t, got %t", tt.c, tt.empty, empty)
}
}
}
func TestAssertStructValid(t *testing.T) {
tests := []struct {
c interface{}
err error
}{
{struct{}{}, nil},
{struct {
A, b string `valid:"1,2"`
}{}, nil},
{struct {
A, b string `valid:"1,2"`
}{A: "1", b: "2"}, nil},
{struct {
A, b string `valid:"1,2"`
}{A: "1", b: "hello"}, nil},
{struct {
A, b string `valid:"1,2"`
}{A: "hello", b: "2"}, &ErrorValid{Value: "hello", Field: "A", Valid: []string{"1", "2"}}},
{struct {
A, b int `valid:"1,2"`
}{}, nil},
{struct {
A, b int `valid:"1,2"`
}{A: 1, b: 2}, nil},
{struct {
A, b int `valid:"1,2"`
}{A: 1, b: 9}, nil},
{struct {
A, b int `valid:"1,2"`
}{A: 9, b: 2}, &ErrorValid{Value: "9", Field: "A", Valid: []string{"1", "2"}}},
}
for _, tt := range tests {
if err := AssertStructValid(tt.c); !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad result (%q): want %q, got %q", tt.c, tt.err, err)
}
}
}
func TestCloudConfigUnknownKeys(t *testing.T) {
contents := `
coreos:
etcd:
discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
coreos_unknown:
foo: "bar"
section_unknown:
dunno:
something
bare_unknown:
bar
write_files:
- content: fun
path: /var/party
file_unknown: nofun
users:
- name: fry
passwd: somehash
user_unknown: philip
hostname:
foo
`
cfg, err := NewCloudConfig(contents)
if err != nil {
t.Fatalf("error instantiating CloudConfig with unknown keys: %v", err)
}
if cfg.Hostname != "foo" {
t.Fatalf("hostname not correctly set when invalid keys are present")
}
if cfg.CoreOS.Etcd.Discovery != "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877" {
t.Fatalf("etcd section not correctly set when invalid keys are present")
}
if len(cfg.WriteFiles) < 1 || cfg.WriteFiles[0].Content != "fun" || cfg.WriteFiles[0].Path != "/var/party" {
t.Fatalf("write_files section not correctly set when invalid keys are present")
}
if len(cfg.Users) < 1 || cfg.Users[0].Name != "fry" || cfg.Users[0].PasswordHash != "somehash" {
t.Fatalf("users section not correctly set when invalid keys are present")
}
}
// Assert that the parsing of a cloud config file "generally works"
func TestCloudConfigEmpty(t *testing.T) {
cfg, err := NewCloudConfig("")
if err != nil {
t.Fatalf("Encountered unexpected error :%v", err)
}
keys := cfg.SSHAuthorizedKeys
if len(keys) != 0 {
t.Error("Parsed incorrect number of SSH keys")
}
if len(cfg.WriteFiles) != 0 {
t.Error("Expected zero WriteFiles")
}
if cfg.Hostname != "" {
t.Errorf("Expected hostname to be empty, got '%s'", cfg.Hostname)
}
}
// Assert that the parsing of a cloud config file "generally works"
func TestCloudConfig(t *testing.T) {
contents := `
coreos:
etcd:
discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
update:
reboot_strategy: reboot
units:
- name: 50-eth0.network
runtime: yes
content: '[Match]
Name=eth47
[Network]
Address=10.209.171.177/19
'
oem:
id: rackspace
name: Rackspace Cloud Servers
version_id: 168.0.0
home_url: https://www.rackspace.com/cloud/servers/
bug_report_url: https://github.com/coreos/coreos-overlay
ssh_authorized_keys:
- foobar
- foobaz
write_files:
- content: |
penny
elroy
path: /etc/dogepack.conf
permissions: '0644'
owner: root:dogepack
hostname: trontastic
`
cfg, err := NewCloudConfig(contents)
if err != nil {
t.Fatalf("Encountered unexpected error :%v", err)
}
keys := cfg.SSHAuthorizedKeys
if len(keys) != 2 {
t.Error("Parsed incorrect number of SSH keys")
} else if keys[0] != "foobar" {
t.Error("Expected first SSH key to be 'foobar'")
} else if keys[1] != "foobaz" {
t.Error("Expected first SSH key to be 'foobaz'")
}
if len(cfg.WriteFiles) != 1 {
t.Error("Failed to parse correct number of write_files")
} else {
wf := cfg.WriteFiles[0]
if wf.Content != "penny\nelroy\n" {
t.Errorf("WriteFile has incorrect contents '%s'", wf.Content)
}
if wf.Encoding != "" {
t.Errorf("WriteFile has incorrect encoding %s", wf.Encoding)
}
if wf.RawFilePermissions != "0644" {
t.Errorf("WriteFile has incorrect permissions %s", wf.RawFilePermissions)
}
if wf.Path != "/etc/dogepack.conf" {
t.Errorf("WriteFile has incorrect path %s", wf.Path)
}
if wf.Owner != "root:dogepack" {
t.Errorf("WriteFile has incorrect owner %s", wf.Owner)
}
}
if len(cfg.CoreOS.Units) != 1 {
t.Error("Failed to parse correct number of units")
} else {
u := cfg.CoreOS.Units[0]
expect := `[Match]
Name=eth47
[Network]
Address=10.209.171.177/19
`
if u.Content != expect {
t.Errorf("Unit has incorrect contents '%s'.\nExpected '%s'.", u.Content, expect)
}
if u.Runtime != true {
t.Errorf("Unit has incorrect runtime value")
}
if u.Name != "50-eth0.network" {
t.Errorf("Unit has incorrect name %s", u.Name)
}
}
if cfg.CoreOS.OEM.ID != "rackspace" {
t.Errorf("Failed parsing coreos.oem. Expected ID 'rackspace', got %q.", cfg.CoreOS.OEM.ID)
}
if cfg.Hostname != "trontastic" {
t.Errorf("Failed to parse hostname")
}
if cfg.CoreOS.Update.RebootStrategy != "reboot" {
t.Errorf("Failed to parse locksmith strategy")
}
contents = `
coreos:
write_files:
- path: /home/me/notes
permissions: 0744
`
cfg, err = NewCloudConfig(contents)
if err != nil {
t.Fatalf("Encountered unexpected error :%v", err)
}
if len(cfg.WriteFiles) != 1 {
t.Error("Failed to parse correct number of write_files")
} else {
wf := cfg.WriteFiles[0]
if wf.Content != "" {
t.Errorf("WriteFile has incorrect contents '%s'", wf.Content)
}
if wf.Encoding != "" {
t.Errorf("WriteFile has incorrect encoding %s", wf.Encoding)
}
// Verify that the normalization of the config converted 0744 to its decimal
// representation, 484.
if wf.RawFilePermissions != "484" {
t.Errorf("WriteFile has incorrect permissions %s", wf.RawFilePermissions)
}
if wf.Path != "/home/me/notes" {
t.Errorf("WriteFile has incorrect path %s", wf.Path)
}
if wf.Owner != "" {
t.Errorf("WriteFile has incorrect owner %s", wf.Owner)
}
}
}
// Assert that our interface conversion doesn't panic
func TestCloudConfigKeysNotList(t *testing.T) {
contents := `
ssh_authorized_keys:
- foo: bar
`
cfg, err := NewCloudConfig(contents)
if err != nil {
t.Fatalf("Encountered unexpected error: %v", err)
}
keys := cfg.SSHAuthorizedKeys
if len(keys) != 0 {
t.Error("Parsed incorrect number of SSH keys")
}
}
func TestCloudConfigSerializationHeader(t *testing.T) {
cfg, _ := NewCloudConfig("")
contents := cfg.String()
header := strings.SplitN(contents, "\n", 2)[0]
if header != "#cloud-config" {
t.Fatalf("Serialized config did not have expected header")
}
}
func TestCloudConfigUsers(t *testing.T) {
contents := `
users:
- name: elroy
passwd: somehash
ssh_authorized_keys:
- somekey
gecos: arbitrary comment
homedir: /home/place
no_create_home: yes
primary_group: things
groups:
- ping
- pong
no_user_group: true
system: y
no_log_init: True
`
cfg, err := NewCloudConfig(contents)
if err != nil {
t.Fatalf("Encountered unexpected error: %v", err)
}
if len(cfg.Users) != 1 {
t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
}
user := cfg.Users[0]
if user.Name != "elroy" {
t.Errorf("User name is %q, expected 'elroy'", user.Name)
}
if user.PasswordHash != "somehash" {
t.Errorf("User passwd is %q, expected 'somehash'", user.PasswordHash)
}
if keys := user.SSHAuthorizedKeys; len(keys) != 1 {
t.Errorf("Parsed %d ssh keys, expected 1", len(keys))
} else {
key := user.SSHAuthorizedKeys[0]
if key != "somekey" {
t.Errorf("User SSH key is %q, expected 'somekey'", key)
}
}
if user.GECOS != "arbitrary comment" {
t.Errorf("Failed to parse gecos field, got %q", user.GECOS)
}
if user.Homedir != "/home/place" {
t.Errorf("Failed to parse homedir field, got %q", user.Homedir)
}
if !user.NoCreateHome {
t.Errorf("Failed to parse no_create_home field")
}
if user.PrimaryGroup != "things" {
t.Errorf("Failed to parse primary_group field, got %q", user.PrimaryGroup)
}
if len(user.Groups) != 2 {
t.Errorf("Failed to parse 2 goups, got %d", len(user.Groups))
} else {
if user.Groups[0] != "ping" {
t.Errorf("First group was %q, not expected value 'ping'", user.Groups[0])
}
if user.Groups[1] != "pong" {
t.Errorf("First group was %q, not expected value 'pong'", user.Groups[1])
}
}
if !user.NoUserGroup {
t.Errorf("Failed to parse no_user_group field")
}
if !user.System {
t.Errorf("Failed to parse system field")
}
if !user.NoLogInit {
t.Errorf("Failed to parse no_log_init field")
}
}
func TestCloudConfigUsersGithubUser(t *testing.T) {
contents := `
users:
- name: elroy
coreos_ssh_import_github: bcwaldon
`
cfg, err := NewCloudConfig(contents)
if err != nil {
t.Fatalf("Encountered unexpected error: %v", err)
}
if len(cfg.Users) != 1 {
t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
}
user := cfg.Users[0]
if user.Name != "elroy" {
t.Errorf("User name is %q, expected 'elroy'", user.Name)
}
if user.SSHImportGithubUser != "bcwaldon" {
t.Errorf("github user is %q, expected 'bcwaldon'", user.SSHImportGithubUser)
}
}
func TestCloudConfigUsersSSHImportURL(t *testing.T) {
contents := `
users:
- name: elroy
coreos_ssh_import_url: https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys
`
cfg, err := NewCloudConfig(contents)
if err != nil {
t.Fatalf("Encountered unexpected error: %v", err)
}
if len(cfg.Users) != 1 {
t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
}
user := cfg.Users[0]
if user.Name != "elroy" {
t.Errorf("User name is %q, expected 'elroy'", user.Name)
}
if user.SSHImportURL != "https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys" {
t.Errorf("ssh import url is %q, expected 'https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys'", user.SSHImportURL)
}
}
func TestNormalizeKeys(t *testing.T) {
for _, tt := range []struct {
in string
out string
}{
{"my_key_name: the-value\n", "my_key_name: the-value\n"},
{"my-key_name: the-value\n", "my_key_name: the-value\n"},
{"my-key-name: the-value\n", "my_key_name: the-value\n"},
{"a:\n- key_name: the-value\n", "a:\n- key_name: the-value\n"},
{"a:\n- key-name: the-value\n", "a:\n- key_name: the-value\n"},
{"a:\n b:\n - key_name: the-value\n", "a:\n b:\n - key_name: the-value\n"},
{"a:\n b:\n - key-name: the-value\n", "a:\n b:\n - key_name: the-value\n"},
{"coreos:\n update:\n reboot-strategy: off\n", "coreos:\n update:\n reboot_strategy: false\n"},
{"coreos:\n update:\n reboot-strategy: 'off'\n", "coreos:\n update:\n reboot_strategy: \"off\"\n"},
} {
out, err := normalizeConfig(tt.in)
if err != nil {
t.Fatalf("bad error (%q): want nil, got %s", tt.in, err)
}
if string(out) != tt.out {
t.Fatalf("bad normalization (%q): want %q, got %q", tt.in, tt.out, out)
}
}
}