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feat(github): add coreos-ssh-import-github user attribute

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This commit is contained in:
Brian Waldon 2014-03-19 08:54:45 -07:00
parent c2faaa503b
commit 6f5acf53cb
6 changed files with 143 additions and 12 deletions
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1
Documentation/cloud-config.md
View File

@ -33,6 +33,7 @@ All but the `passwd` and `ssh-authorized-keys` fields will be ignored if the use
- **groups**: Add user to these additional groups
- **no-user-group**: Boolean. Skip default group creation.
- **ssh-authorized-keys**: List of public SSH keys to authorize for this user
- **coreos-ssh-import-github**: Authorize SSH keys from Github user
- **system**: Create the user as a system user. No home directory will be created.
- **no-log-init**: Boolean. Skip initialization of lastlog and faillog databases.

6
initialize/config.go
View File

@ -78,6 +78,12 @@ func Apply(cfg CloudConfig, env *Environment) error {
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
}
}
}
}

2
initialize/config_test.go
View File

@ -215,7 +215,7 @@ users:
t.Errorf("Failed to parse no-create-home field")
}
if user.PrimaryGroup != "things"{
if user.PrimaryGroup != "things" {
t.Errorf("Failed to parse primary-group field, got %q", user.PrimaryGroup)
}

52
initialize/github.go Normal file
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@ -0,0 +1,52 @@
package initialize
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"github.com/coreos/coreos-cloudinit/system"
)
type GithubUserKey struct {
Id int `json:"id"`
Key string `json:"key"`
}
func fetchGithubKeys(github_url string) ([]string, error) {
res, err := http.Get(github_url)
defer res.Body.Close()
if err != nil {
return nil, err
}
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
var data []GithubUserKey
err = json.Unmarshal(body, &data)
if err != nil {
return nil, err
}
keys := make([]string, 0)
for _, key := range data {
keys = append(keys, key.Key)
}
return keys, err
}
func SSHImportGithubUser(system_user string, github_user string) error {
url := fmt.Sprintf("https://api.github.com/users/%s/keys", github_user)
keys, err := fetchGithubKeys(url)
if err != nil {
return err
}
key_name := fmt.Sprintf("github-%s", github_user)
err = system.AuthorizeSSHKeys(system_user, key_name, keys)
if err != nil {
return err
}
return nil
}

71
initialize/github_test.go Normal file
View File

@ -0,0 +1,71 @@
package initialize
import (
"fmt"
"net/http"
"net/http/httptest"
"testing"
)
func TestCloudConfigUsersGithubMarshal(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
gh_res := `
[
{
"id": 67057,
"key": "ssh-dss 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"
},
{
"id": 3340477,
"key": "ssh-dss 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"
},
{
"id": 5224438,
"key": "ssh-dss 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"
}
]
`
fmt.Fprintln(w, gh_res)
}))
defer ts.Close()
keys, err := fetchGithubKeys(ts.URL)
if err != nil {
t.Fatalf("Encountered unexpected error: %v", err)
}
expected := "ssh-dss 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"
if keys[0] != expected {
t.Fatalf("expected %s, got %s", expected, keys[0])
}
expected = "ssh-dss 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"
if keys[2] != expected {
t.Fatalf("expected %s, got %s", expected, keys[2])
}
}
func TestCloudConfigUsersGithubUser(t *testing.T) {
contents := []byte(`
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", 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)
}
}

23
system/user.go
View File

@ -9,17 +9,18 @@ import (
)
type User struct {
Name string `yaml:"name"`
PasswordHash string `yaml:"passwd"`
SSHAuthorizedKeys []string `yaml:"ssh-authorized-keys"`
GECOS string `yaml:"gecos"`
Homedir string `yaml:"homedir"`
NoCreateHome bool `yaml:"no-create-home"`
PrimaryGroup string `yaml:"primary-group"`
Groups []string `yaml:"groups"`
NoUserGroup bool `yaml:"no-user-group"`
System bool `yaml:"system"`
NoLogInit bool `yaml:"no-log-init"`
Name string `yaml:"name"`
PasswordHash string `yaml:"passwd"`
SSHAuthorizedKeys []string `yaml:"ssh-authorized-keys"`
SSHImportGithubUser string `yaml:"coreos-ssh-import-github"`
GECOS string `yaml:"gecos"`
Homedir string `yaml:"homedir"`
NoCreateHome bool `yaml:"no-create-home"`
PrimaryGroup string `yaml:"primary-group"`
Groups []string `yaml:"groups"`
NoUserGroup bool `yaml:"no-user-group"`
System bool `yaml:"system"`
NoLogInit bool `yaml:"no-log-init"`
}
func UserExists(u *User) bool {