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opsmanager_client.go
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opsmanager_client.go
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package system
import (
"crypto/tls"
"encoding/base64"
"encoding/json"
"fmt"
"net/http"
"net/url"
"strings"
. "github.com/onsi/ginkgo"
"code.cloudfoundry.org/lager"
)
type opsmanClient struct {
httpClient httpClient
token string
opsManagerURL string
logger lager.Logger
}
type stagedProduct struct {
Type string `json:"type"`
GUID string `json:"GUID"`
}
type credentials struct {
Credential struct {
Type string `json:"simple_credentials"`
Value struct {
Username string `json:"identity"`
Password string `json:"password"`
}
}
}
//NewOpsManagerClient ...
func NewOpsManagerClient(hostname, username, password string, logger lager.Logger) (*opsmanClient, error) {
url := "https://" + hostname
token, err := getAuthorization(url, username, password)
if err != nil {
return &opsmanClient{}, err
}
opsManClient := newHttpClient(url, token, logger)
return &opsmanClient{
token: token,
httpClient: opsManClient,
opsManagerURL: url,
logger: logger,
}, nil
}
func (client *opsmanClient) GetStagedProducts() ([]stagedProduct, error) {
client.httpClient.NewRequest("api/v0/staged/products", nil)
stagedProducts := []stagedProduct{}
err := client.httpClient.Get(&stagedProducts)
return stagedProducts, err
}
type installationSettings struct {
Products products `json:"products"`
}
type products []product
func (products products) CF() product {
for _, p := range products {
if strings.HasPrefix(p.InstallationName, "cf-") {
return p
}
}
Fail("Cant find cf product in installation settings")
return product{}
}
type product struct {
InstallationName string `json:"installation_name"`
Jobs jobs `json:"jobs"`
}
type jobs []job
func (jobs jobs) UAA() job {
for _, j := range jobs {
if j.InstallationName == "uaa" {
return j
}
}
Fail("Cant find uaa job in product settings")
return job{}
}
type job struct {
InstallationName string `json:"installation_name"`
Properties properties
}
type properties []property
func (properties properties) AdminCredentials() property {
for _, p := range properties {
if p.Identifier == "admin_credentials" {
return p
}
}
Fail("Cant find admin_credentials in uaa job")
return property{}
}
type property struct {
Identifier string `json:"identifier"`
Value json.RawMessage `json:"value"`
}
type credentialsValue struct {
Username string `json:"identity"`
Password string `json:"password"`
}
func (property property) Credentials() (username, password string, err error) {
creds := credentialsValue{}
fmt.Printf("property.Value %s\n", string(property.Value))
err = json.Unmarshal(property.Value, &creds)
return creds.Username, creds.Password, err
}
func (client *opsmanClient) GetInstallationSettings() (installationSettings, error) {
client.httpClient.NewRequest("api/installation_settings", nil)
installationSetting := installationSettings{}
err := client.httpClient.Get(&installationSetting)
return installationSetting, err
}
func (client *opsmanClient) GetAdminCredentials() (username, password string, err error) {
installationSetting, err := client.GetInstallationSettings()
if err != nil {
return "", "", err
}
fmt.Printf("installationSetting.Products.CF().Jobs %d\n", len(installationSetting.Products.CF().Jobs))
return installationSetting.Products.CF().Jobs.UAA().Properties.AdminCredentials().Credentials()
}
func getAuthorization(opsManagerURL, username, password string) (string, error) {
body := url.Values{
"grant_type": {"password"},
"username": {username},
"password": {password},
}
tr := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
opsManClient := &http.Client{Transport: tr}
request, err := http.NewRequest("POST", fmt.Sprintf("%s/uaa/oauth/token", opsManagerURL), strings.NewReader(body.Encode()))
if err != nil {
return "", err
}
request.Header.Set("Content-Type", "application/x-www-form-urlencoded; charset=utf-8")
request.SetBasicAuth("opsman", "")
response, err := opsManClient.Do(request)
if err != nil {
return "", err
}
if response.StatusCode == 200 {
responseToken := token{}
err = json.NewDecoder(response.Body).Decode(&responseToken)
if err != nil {
return "", err
}
if responseToken.AccessToken == "" {
return "", fmt.Errorf("No token returned")
}
return "Bearer " + responseToken.AccessToken, nil
} else if response.StatusCode == 404 {
// Assume basic auth
auth := base64.StdEncoding.EncodeToString([]byte(username + ":" + password))
return "Basic " + auth, nil
} else {
return "", fmt.Errorf("Unexpected response code %d", response.StatusCode)
}
}
type token struct {
AccessToken string `json:"access_token,required"`
}