498 lines
12 KiB
Go
498 lines
12 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"reflect"
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"regexp"
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"strings"
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"testing"
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)
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func TestNewCloudConfig(t *testing.T) {
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tests := []struct {
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contents string
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config CloudConfig
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}{
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{},
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{
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contents: "#cloud-config\nwrite_files:\n - path: underscore",
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config: CloudConfig{WriteFiles: []File{File{Path: "underscore"}}},
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},
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{
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contents: "#cloud-config\nwrite-files:\n - path: hyphen",
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config: CloudConfig{WriteFiles: []File{File{Path: "hyphen"}}},
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},
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{
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contents: "#cloud-config\ncoreos:\n update:\n reboot-strategy: off",
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config: CloudConfig{CoreOS: CoreOS{Update: Update{RebootStrategy: "off"}}},
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},
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{
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contents: "#cloud-config\ncoreos:\n update:\n reboot-strategy: false",
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config: CloudConfig{CoreOS: CoreOS{Update: Update{RebootStrategy: "false"}}},
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},
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{
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contents: "#cloud-config\nwrite_files:\n - permissions: 0744",
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config: CloudConfig{WriteFiles: []File{File{RawFilePermissions: "0744"}}},
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},
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{
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contents: "#cloud-config\nwrite_files:\n - permissions: 744",
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config: CloudConfig{WriteFiles: []File{File{RawFilePermissions: "744"}}},
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},
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{
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contents: "#cloud-config\nwrite_files:\n - permissions: '0744'",
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config: CloudConfig{WriteFiles: []File{File{RawFilePermissions: "0744"}}},
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},
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{
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contents: "#cloud-config\nwrite_files:\n - permissions: '744'",
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config: CloudConfig{WriteFiles: []File{File{RawFilePermissions: "744"}}},
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},
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}
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for i, tt := range tests {
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config, err := NewCloudConfig(tt.contents)
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if err != nil {
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t.Errorf("bad error (test case #%d): want %v, got %s", i, nil, err)
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}
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if !reflect.DeepEqual(&tt.config, config) {
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t.Errorf("bad config (test case #%d): want %#v, got %#v", i, tt.config, config)
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}
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}
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}
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func TestIsZero(t *testing.T) {
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tests := []struct {
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c interface{}
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empty bool
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}{
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{struct{}{}, true},
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{struct{ a, b string }{}, true},
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{struct{ A, b string }{}, true},
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{struct{ A, B string }{}, true},
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{struct{ A string }{A: "hello"}, false},
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{struct{ A int }{}, true},
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{struct{ A int }{A: 1}, false},
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}
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for _, tt := range tests {
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if empty := IsZero(tt.c); tt.empty != empty {
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t.Errorf("bad result (%q): want %t, got %t", tt.c, tt.empty, empty)
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}
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}
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}
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func TestAssertStructValid(t *testing.T) {
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tests := []struct {
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c interface{}
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err error
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}{
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{struct{}{}, nil},
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{struct {
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A, b string `valid:"^1|2$"`
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}{}, nil},
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{struct {
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A, b string `valid:"^1|2$"`
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}{A: "1", b: "2"}, nil},
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{struct {
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A, b string `valid:"^1|2$"`
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}{A: "1", b: "hello"}, nil},
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{struct {
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A, b string `valid:"^1|2$"`
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}{A: "hello", b: "2"}, &ErrorValid{Value: "hello", Field: "A", Valid: "^1|2$"}},
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{struct {
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A, b int `valid:"^1|2$"`
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}{}, nil},
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{struct {
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A, b int `valid:"^1|2$"`
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}{A: 1, b: 2}, nil},
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{struct {
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A, b int `valid:"^1|2$"`
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}{A: 1, b: 9}, nil},
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{struct {
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A, b int `valid:"^1|2$"`
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}{A: 9, b: 2}, &ErrorValid{Value: "9", Field: "A", Valid: "^1|2$"}},
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}
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for _, tt := range tests {
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if err := AssertStructValid(tt.c); !reflect.DeepEqual(tt.err, err) {
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t.Errorf("bad result (%q): want %q, got %q", tt.c, tt.err, err)
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}
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}
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}
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func TestConfigCompile(t *testing.T) {
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tests := []interface{}{
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Etcd{},
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File{},
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Flannel{},
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Fleet{},
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Locksmith{},
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OEM{},
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Unit{},
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Update{},
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}
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for _, tt := range tests {
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ttt := reflect.TypeOf(tt)
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for i := 0; i < ttt.NumField(); i++ {
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ft := ttt.Field(i)
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if !isFieldExported(ft) {
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continue
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}
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if _, err := regexp.Compile(ft.Tag.Get("valid")); err != nil {
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t.Errorf("bad regexp(%s.%s): want %v, got %s", ttt.Name(), ft.Name, nil, err)
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}
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}
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}
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}
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func TestCloudConfigUnknownKeys(t *testing.T) {
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contents := `
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coreos:
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etcd:
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discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
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coreos_unknown:
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foo: "bar"
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section_unknown:
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dunno:
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something
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bare_unknown:
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bar
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write_files:
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- content: fun
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path: /var/party
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file_unknown: nofun
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users:
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- name: fry
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passwd: somehash
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user_unknown: philip
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hostname:
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foo
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("error instantiating CloudConfig with unknown keys: %v", err)
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}
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if cfg.Hostname != "foo" {
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t.Fatalf("hostname not correctly set when invalid keys are present")
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}
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if cfg.CoreOS.Etcd.Discovery != "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877" {
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t.Fatalf("etcd section not correctly set when invalid keys are present")
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}
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if len(cfg.WriteFiles) < 1 || cfg.WriteFiles[0].Content != "fun" || cfg.WriteFiles[0].Path != "/var/party" {
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t.Fatalf("write_files section not correctly set when invalid keys are present")
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}
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if len(cfg.Users) < 1 || cfg.Users[0].Name != "fry" || cfg.Users[0].PasswordHash != "somehash" {
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t.Fatalf("users section not correctly set when invalid keys are present")
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}
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}
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// Assert that the parsing of a cloud config file "generally works"
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func TestCloudConfigEmpty(t *testing.T) {
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cfg, err := NewCloudConfig("")
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if err != nil {
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t.Fatalf("Encountered unexpected error :%v", err)
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}
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keys := cfg.SSHAuthorizedKeys
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if len(keys) != 0 {
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t.Error("Parsed incorrect number of SSH keys")
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}
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if len(cfg.WriteFiles) != 0 {
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t.Error("Expected zero WriteFiles")
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}
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if cfg.Hostname != "" {
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t.Errorf("Expected hostname to be empty, got '%s'", cfg.Hostname)
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}
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}
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// Assert that the parsing of a cloud config file "generally works"
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func TestCloudConfig(t *testing.T) {
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contents := `
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coreos:
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etcd:
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discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
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update:
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reboot_strategy: reboot
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units:
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- name: 50-eth0.network
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runtime: yes
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content: '[Match]
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Name=eth47
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[Network]
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Address=10.209.171.177/19
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'
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oem:
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id: rackspace
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name: Rackspace Cloud Servers
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version_id: 168.0.0
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home_url: https://www.rackspace.com/cloud/servers/
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bug_report_url: https://github.com/coreos/coreos-overlay
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ssh_authorized_keys:
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- foobar
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- foobaz
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write_files:
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- content: |
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penny
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elroy
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path: /etc/dogepack.conf
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permissions: '0644'
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owner: root:dogepack
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hostname: trontastic
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("Encountered unexpected error :%v", err)
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}
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keys := cfg.SSHAuthorizedKeys
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if len(keys) != 2 {
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t.Error("Parsed incorrect number of SSH keys")
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} else if keys[0] != "foobar" {
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t.Error("Expected first SSH key to be 'foobar'")
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} else if keys[1] != "foobaz" {
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t.Error("Expected first SSH key to be 'foobaz'")
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}
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if len(cfg.WriteFiles) != 1 {
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t.Error("Failed to parse correct number of write_files")
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} else {
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wf := cfg.WriteFiles[0]
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if wf.Content != "penny\nelroy\n" {
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t.Errorf("WriteFile has incorrect contents '%s'", wf.Content)
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}
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if wf.Encoding != "" {
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t.Errorf("WriteFile has incorrect encoding %s", wf.Encoding)
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}
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if wf.RawFilePermissions != "0644" {
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t.Errorf("WriteFile has incorrect permissions %s", wf.RawFilePermissions)
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}
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if wf.Path != "/etc/dogepack.conf" {
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t.Errorf("WriteFile has incorrect path %s", wf.Path)
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}
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if wf.Owner != "root:dogepack" {
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t.Errorf("WriteFile has incorrect owner %s", wf.Owner)
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}
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}
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if len(cfg.CoreOS.Units) != 1 {
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t.Error("Failed to parse correct number of units")
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} else {
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u := cfg.CoreOS.Units[0]
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expect := `[Match]
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Name=eth47
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[Network]
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Address=10.209.171.177/19
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`
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if u.Content != expect {
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t.Errorf("Unit has incorrect contents '%s'.\nExpected '%s'.", u.Content, expect)
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}
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if u.Runtime != true {
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t.Errorf("Unit has incorrect runtime value")
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}
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if u.Name != "50-eth0.network" {
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t.Errorf("Unit has incorrect name %s", u.Name)
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}
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}
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if cfg.CoreOS.OEM.ID != "rackspace" {
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t.Errorf("Failed parsing coreos.oem. Expected ID 'rackspace', got %q.", cfg.CoreOS.OEM.ID)
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}
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if cfg.Hostname != "trontastic" {
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t.Errorf("Failed to parse hostname")
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}
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if cfg.CoreOS.Update.RebootStrategy != "reboot" {
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t.Errorf("Failed to parse locksmith strategy")
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}
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}
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// Assert that our interface conversion doesn't panic
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func TestCloudConfigKeysNotList(t *testing.T) {
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contents := `
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ssh_authorized_keys:
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- foo: bar
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("Encountered unexpected error: %v", err)
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}
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keys := cfg.SSHAuthorizedKeys
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if len(keys) != 0 {
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t.Error("Parsed incorrect number of SSH keys")
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}
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}
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func TestCloudConfigSerializationHeader(t *testing.T) {
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cfg, _ := NewCloudConfig("")
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contents := cfg.String()
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header := strings.SplitN(contents, "\n", 2)[0]
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if header != "#cloud-config" {
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t.Fatalf("Serialized config did not have expected header")
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}
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}
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func TestCloudConfigUsers(t *testing.T) {
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contents := `
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users:
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- name: elroy
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passwd: somehash
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ssh_authorized_keys:
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- somekey
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gecos: arbitrary comment
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homedir: /home/place
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no_create_home: yes
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primary_group: things
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groups:
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- ping
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- pong
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no_user_group: true
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system: y
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no_log_init: True
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("Encountered unexpected error: %v", err)
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}
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if len(cfg.Users) != 1 {
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t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
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}
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user := cfg.Users[0]
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if user.Name != "elroy" {
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t.Errorf("User name is %q, expected 'elroy'", user.Name)
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}
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if user.PasswordHash != "somehash" {
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t.Errorf("User passwd is %q, expected 'somehash'", user.PasswordHash)
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}
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if keys := user.SSHAuthorizedKeys; len(keys) != 1 {
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t.Errorf("Parsed %d ssh keys, expected 1", len(keys))
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} else {
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key := user.SSHAuthorizedKeys[0]
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if key != "somekey" {
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t.Errorf("User SSH key is %q, expected 'somekey'", key)
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}
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}
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if user.GECOS != "arbitrary comment" {
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t.Errorf("Failed to parse gecos field, got %q", user.GECOS)
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}
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if user.Homedir != "/home/place" {
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t.Errorf("Failed to parse homedir field, got %q", user.Homedir)
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}
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if !user.NoCreateHome {
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t.Errorf("Failed to parse no_create_home field")
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}
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if user.PrimaryGroup != "things" {
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t.Errorf("Failed to parse primary_group field, got %q", user.PrimaryGroup)
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}
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if len(user.Groups) != 2 {
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t.Errorf("Failed to parse 2 goups, got %d", len(user.Groups))
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} else {
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if user.Groups[0] != "ping" {
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t.Errorf("First group was %q, not expected value 'ping'", user.Groups[0])
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}
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if user.Groups[1] != "pong" {
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t.Errorf("First group was %q, not expected value 'pong'", user.Groups[1])
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}
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}
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if !user.NoUserGroup {
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t.Errorf("Failed to parse no_user_group field")
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}
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if !user.System {
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t.Errorf("Failed to parse system field")
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}
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if !user.NoLogInit {
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t.Errorf("Failed to parse no_log_init field")
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}
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}
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func TestCloudConfigUsersGithubUser(t *testing.T) {
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contents := `
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users:
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- name: elroy
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coreos_ssh_import_github: bcwaldon
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("Encountered unexpected error: %v", err)
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}
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if len(cfg.Users) != 1 {
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t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
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}
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user := cfg.Users[0]
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if user.Name != "elroy" {
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t.Errorf("User name is %q, expected 'elroy'", user.Name)
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}
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if user.SSHImportGithubUser != "bcwaldon" {
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t.Errorf("github user is %q, expected 'bcwaldon'", user.SSHImportGithubUser)
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}
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}
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func TestCloudConfigUsersSSHImportURL(t *testing.T) {
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contents := `
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users:
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- name: elroy
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coreos_ssh_import_url: https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("Encountered unexpected error: %v", err)
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}
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if len(cfg.Users) != 1 {
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t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
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}
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user := cfg.Users[0]
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if user.Name != "elroy" {
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t.Errorf("User name is %q, expected 'elroy'", user.Name)
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}
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if user.SSHImportURL != "https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys" {
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t.Errorf("ssh import url is %q, expected 'https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys'", user.SSHImportURL)
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}
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}
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