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config.go
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config.go
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package telefonicaopencloud
import (
"crypto/tls"
"crypto/x509"
"fmt"
"log"
"net/http"
"os"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack"
"github.com/gophercloud/gophercloud/openstack/objectstorage/v1/swauth"
"github.com/hashicorp/errwrap"
cleanhttp "github.com/hashicorp/go-cleanhttp"
"github.com/hashicorp/terraform/helper/pathorcontents"
"github.com/hashicorp/terraform/terraform"
"github.com/huaweicloud/golangsdk"
huaweisdk "github.com/huaweicloud/golangsdk/openstack"
)
type Config struct {
AccessKey string
SecretKey string
CACertFile string
ClientCertFile string
ClientKeyFile string
Cloud string
DomainID string
DomainName string
EndpointType string
IdentityEndpoint string
Insecure bool
Password string
Region string
Swauth bool
TenantID string
TenantName string
Token string
Username string
UserID string
useOctavia bool
OsClient *gophercloud.ProviderClient
HwClient *golangsdk.ProviderClient
s3sess *session.Session
}
func (c *Config) LoadAndValidate() error {
validEndpoint := false
validEndpoints := []string{
"internal", "internalURL",
"admin", "adminURL",
"public", "publicURL",
"",
}
for _, endpoint := range validEndpoints {
if c.EndpointType == endpoint {
validEndpoint = true
}
}
if !validEndpoint {
return fmt.Errorf("Invalid endpoint type provided")
}
err := newopenstackClient(c)
if err != nil {
return err
}
return newhwClient(c)
}
func newopenstackClient(c *Config) error {
ao := gophercloud.AuthOptions{
DomainID: c.DomainID,
DomainName: c.DomainName,
IdentityEndpoint: c.IdentityEndpoint,
Password: c.Password,
TenantID: c.TenantID,
TenantName: c.TenantName,
TokenID: c.Token,
Username: c.Username,
UserID: c.UserID,
}
client, err := openstack.NewClient(ao.IdentityEndpoint)
if err != nil {
return err
}
// Set UserAgent
client.UserAgent.Prepend(terraform.UserAgentString())
config := &tls.Config{}
if c.CACertFile != "" {
caCert, _, err := pathorcontents.Read(c.CACertFile)
if err != nil {
return fmt.Errorf("Error reading CA Cert: %s", err)
}
caCertPool := x509.NewCertPool()
caCertPool.AppendCertsFromPEM([]byte(caCert))
config.RootCAs = caCertPool
}
if c.Insecure {
config.InsecureSkipVerify = true
}
if c.ClientCertFile != "" && c.ClientKeyFile != "" {
clientCert, _, err := pathorcontents.Read(c.ClientCertFile)
if err != nil {
return fmt.Errorf("Error reading Client Cert: %s", err)
}
clientKey, _, err := pathorcontents.Read(c.ClientKeyFile)
if err != nil {
return fmt.Errorf("Error reading Client Key: %s", err)
}
cert, err := tls.X509KeyPair([]byte(clientCert), []byte(clientKey))
if err != nil {
return err
}
config.Certificates = []tls.Certificate{cert}
config.BuildNameToCertificate()
}
// if OS_DEBUG is set, log the requests and responses
var osDebug bool
if os.Getenv("OS_DEBUG") != "" {
osDebug = true
}
transport := &http.Transport{Proxy: http.ProxyFromEnvironment, TLSClientConfig: config}
client.HTTPClient = http.Client{
Transport: &LogRoundTripper{
Rt: transport,
OsDebug: osDebug,
},
}
// If using Swift Authentication, there's no need to validate authentication normally.
if !c.Swauth {
err = openstack.Authenticate(client, ao)
if err != nil {
return err
}
}
c.OsClient = client
// Don't get session unless we need it for Accesskey, SecretKey.
if c.AccessKey != "" && c.SecretKey != "" {
// Setup S3 client/config information for Swift S3 buckets
log.Println("[INFO] Building Swift S3 auth structure")
creds, err := GetCredentials(c)
if err != nil {
return err
}
// Call Get to check for credential provider. If nothing found, we'll get an
// error, and we can present it nicely to the user
cp, err := creds.Get()
if err != nil {
if sErr, ok := err.(awserr.Error); ok && sErr.Code() == "NoCredentialProviders" {
return fmt.Errorf("No valid credential sources found for Swift S3 Provider.")
}
return fmt.Errorf("Error loading credentials for Swift S3 Provider: %s", err)
}
log.Printf("[INFO] Swift S3 Auth provider used: %q", cp.ProviderName)
sConfig := &aws.Config{
Credentials: creds,
Region: aws.String(c.Region),
HTTPClient: cleanhttp.DefaultClient(),
}
if osDebug {
sConfig.LogLevel = aws.LogLevel(aws.LogDebugWithHTTPBody | aws.LogDebugWithRequestRetries | aws.LogDebugWithRequestErrors)
sConfig.Logger = sLogger{}
}
if c.Insecure {
transport := sConfig.HTTPClient.Transport.(*http.Transport)
transport.TLSClientConfig = &tls.Config{
InsecureSkipVerify: true,
}
}
// Set up base session for Swift S3
c.s3sess, err = session.NewSession(sConfig)
if err != nil {
return errwrap.Wrapf("Error creating Swift S3 session: {{err}}", err)
}
}
return nil
}
func newhwClient(c *Config) error {
ao := golangsdk.AuthOptions{
DomainID: c.DomainID,
DomainName: c.DomainName,
IdentityEndpoint: c.IdentityEndpoint,
Password: c.Password,
TenantID: c.TenantID,
TenantName: c.TenantName,
TokenID: c.Token,
Username: c.Username,
UserID: c.UserID,
}
client, err := huaweisdk.NewClient(ao.IdentityEndpoint)
if err != nil {
return err
}
// Set UserAgent
client.UserAgent.Prepend(terraform.UserAgentString())
config := &tls.Config{}
if c.CACertFile != "" {
caCert, _, err := pathorcontents.Read(c.CACertFile)
if err != nil {
return fmt.Errorf("Error reading CA Cert: %s", err)
}
caCertPool := x509.NewCertPool()
caCertPool.AppendCertsFromPEM([]byte(caCert))
config.RootCAs = caCertPool
}
if c.Insecure {
config.InsecureSkipVerify = true
}
if c.ClientCertFile != "" && c.ClientKeyFile != "" {
clientCert, _, err := pathorcontents.Read(c.ClientCertFile)
if err != nil {
return fmt.Errorf("Error reading Client Cert: %s", err)
}
clientKey, _, err := pathorcontents.Read(c.ClientKeyFile)
if err != nil {
return fmt.Errorf("Error reading Client Key: %s", err)
}
cert, err := tls.X509KeyPair([]byte(clientCert), []byte(clientKey))
if err != nil {
return err
}
config.Certificates = []tls.Certificate{cert}
config.BuildNameToCertificate()
}
// if OS_DEBUG is set, log the requests and responses
var osDebug bool
if os.Getenv("OS_DEBUG") != "" {
osDebug = true
}
transport := &http.Transport{Proxy: http.ProxyFromEnvironment, TLSClientConfig: config}
client.HTTPClient = http.Client{
Transport: &LogRoundTripper{
Rt: transport,
OsDebug: osDebug,
},
}
// If using Swift Authentication, there's no need to validate authentication normally.
if !c.Swauth {
err = huaweisdk.Authenticate(client, ao)
if err != nil {
return err
}
}
c.HwClient = client
return nil
}
type sLogger struct{}
func (l sLogger) Log(args ...interface{}) {
tokens := make([]string, 0, len(args))
for _, arg := range args {
if token, ok := arg.(string); ok {
tokens = append(tokens, token)
}
}
log.Printf("[DEBUG] [aws-sdk-go] %s", strings.Join(tokens, " "))
}
func (c *Config) determineRegion(region string) string {
// If a resource-level region was not specified, and a provider-level region was set,
// use the provider-level region.
if region == "" && c.Region != "" {
region = c.Region
}
log.Printf("[DEBUG] TelefonicaOpenCloud Region is: %s", region)
return region
}
func (c *Config) computeS3conn(region string) (*s3.S3, error) {
if c.s3sess == nil {
return nil, fmt.Errorf("Missing credentials for Swift S3 Provider, need access_key and secret_key values for provider.")
}
client, err := openstack.NewNetworkV2(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
// Bit of a hack, seems the only way to compute this.
endpoint := strings.Replace(client.Endpoint, "//vpc", "//obs", 1)
S3Sess := c.s3sess.Copy(&aws.Config{Endpoint: aws.String(endpoint)})
s3conn := s3.New(S3Sess)
return s3conn, err
}
func (c *Config) blockStorageV1Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewBlockStorageV1(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) blockStorageV2Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewBlockStorageV2(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) computeV2Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewComputeV2(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) dnsV2Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewDNSV2(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) identityV3Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewIdentityV3(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) imageV2Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewImageServiceV2(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) networkingV1Client(region string) (*golangsdk.ServiceClient, error) {
return huaweisdk.NewNetworkV1(c.HwClient, golangsdk.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getHwEndpointType(),
})
}
func (c *Config) networkingV2Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewNetworkV2(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) objectStorageV1Client(region string) (*gophercloud.ServiceClient, error) {
// If Swift Authentication is being used, return a swauth client.
if c.Swauth {
return swauth.NewObjectStorageV1(c.OsClient, swauth.AuthOpts{
User: c.Username,
Key: c.Password,
})
}
return openstack.NewObjectStorageV1(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) loadBalancerV2Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewLoadBalancerV2(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) databaseV1Client(region string) (*gophercloud.ServiceClient, error) {
return openstack.NewDBV1(c.OsClient, gophercloud.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getEndpointType(),
})
}
func (c *Config) loadElasticLoadBalancerClient(region string) (*golangsdk.ServiceClient, error) {
return huaweisdk.NewElasticLoadBalancer(c.HwClient, golangsdk.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getHwEndpointType(),
})
}
func (c *Config) autoscalingV1Client(region string) (*golangsdk.ServiceClient, error) {
return huaweisdk.NewAutoScalingService(c.HwClient, golangsdk.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getHwEndpointType(),
})
}
func (c *Config) SmnV2Client(region string) (*golangsdk.ServiceClient, error) {
return huaweisdk.NewSmnServiceV2(c.HwClient, golangsdk.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getHwEndpointType(),
})
}
func (c *Config) getEndpointType() gophercloud.Availability {
if c.EndpointType == "internal" || c.EndpointType == "internalURL" {
return gophercloud.AvailabilityInternal
}
if c.EndpointType == "admin" || c.EndpointType == "adminURL" {
return gophercloud.AvailabilityAdmin
}
return gophercloud.AvailabilityPublic
}
func (c *Config) loadCESClient(region string) (*golangsdk.ServiceClient, error) {
return huaweisdk.NewCESClient(c.HwClient, golangsdk.EndpointOpts{
Region: c.determineRegion(region),
Availability: c.getHwEndpointType(),
})
}
func (c *Config) getHwEndpointType() golangsdk.Availability {
if c.EndpointType == "internal" || c.EndpointType == "internalURL" {
return golangsdk.AvailabilityInternal
}
if c.EndpointType == "admin" || c.EndpointType == "adminURL" {
return golangsdk.AvailabilityAdmin
}
return golangsdk.AvailabilityPublic
}