remote/swift: Remove un-used code
This commit is contained in:
Gavin Williams
parent
cc1a9a5b8f
commit
96e6bf89ec
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@ -1,362 +0,0 @@
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package remote
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import (
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"bytes"
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"crypto/md5"
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"crypto/tls"
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"crypto/x509"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/gophercloud/gophercloud"
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"github.com/gophercloud/gophercloud/openstack"
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"github.com/gophercloud/gophercloud/openstack/objectstorage/v1/containers"
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"github.com/gophercloud/gophercloud/openstack/objectstorage/v1/objects"
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tf_openstack "github.com/terraform-providers/terraform-provider-openstack/openstack"
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)
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const TFSTATE_NAME = "tfstate.tf"
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// SwiftClient implements the Client interface for an Openstack Swift server.
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type SwiftClient struct {
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client *gophercloud.ServiceClient
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authurl string
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cacert string
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cert string
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domainid string
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domainname string
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insecure bool
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key string
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password string
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path string
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region string
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tenantid string
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tenantname string
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userid string
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username string
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token string
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archive bool
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archivepath string
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expireSecs int
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}
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func swiftFactory(conf map[string]string) (Client, error) {
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client := &SwiftClient{}
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if err := client.validateConfig(conf); err != nil {
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return nil, err
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}
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return client, nil
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}
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func (c *SwiftClient) validateConfig(conf map[string]string) (err error) {
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authUrl, ok := conf["auth_url"]
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if !ok {
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authUrl = os.Getenv("OS_AUTH_URL")
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if authUrl == "" {
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return fmt.Errorf("missing 'auth_url' configuration or OS_AUTH_URL environment variable")
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}
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}
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c.authurl = authUrl
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username, ok := conf["user_name"]
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if !ok {
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username = os.Getenv("OS_USERNAME")
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}
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c.username = username
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userID, ok := conf["user_id"]
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if !ok {
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userID = os.Getenv("OS_USER_ID")
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}
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c.userid = userID
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token, ok := conf["token"]
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if !ok {
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token = os.Getenv("OS_AUTH_TOKEN")
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}
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c.token = token
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password, ok := conf["password"]
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if !ok {
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password = os.Getenv("OS_PASSWORD")
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}
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c.password = password
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if password == "" && token == "" {
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return fmt.Errorf("missing either password or token configuration or OS_PASSWORD or OS_AUTH_TOKEN environment variable")
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}
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region, ok := conf["region_name"]
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if !ok {
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region = os.Getenv("OS_REGION_NAME")
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}
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c.region = region
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tenantID, ok := conf["tenant_id"]
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if !ok {
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tenantID = multiEnv([]string{
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"OS_TENANT_ID",
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"OS_PROJECT_ID",
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})
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}
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c.tenantid = tenantID
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tenantName, ok := conf["tenant_name"]
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if !ok {
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tenantName = multiEnv([]string{
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"OS_TENANT_NAME",
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"OS_PROJECT_NAME",
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})
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}
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c.tenantname = tenantName
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domainID, ok := conf["domain_id"]
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if !ok {
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domainID = multiEnv([]string{
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"OS_USER_DOMAIN_ID",
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"OS_PROJECT_DOMAIN_ID",
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"OS_DOMAIN_ID",
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})
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}
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c.domainid = domainID
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domainName, ok := conf["domain_name"]
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if !ok {
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domainName = multiEnv([]string{
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"OS_USER_DOMAIN_NAME",
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"OS_PROJECT_DOMAIN_NAME",
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"OS_DOMAIN_NAME",
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"DEFAULT_DOMAIN",
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})
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}
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c.domainname = domainName
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path, ok := conf["path"]
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if !ok || path == "" {
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return fmt.Errorf("missing 'path' configuration")
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}
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c.path = path
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if archivepath, ok := conf["archive_path"]; ok {
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log.Printf("[DEBUG] Archivepath set, enabling object versioning")
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c.archive = true
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c.archivepath = archivepath
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}
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if expire, ok := conf["expire_after"]; ok {
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log.Printf("[DEBUG] Requested that remote state expires after %s", expire)
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if strings.HasSuffix(expire, "d") {
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log.Printf("[DEBUG] Got a days expire after duration. Converting to hours")
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days, err := strconv.Atoi(expire[:len(expire)-1])
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if err != nil {
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return fmt.Errorf("Error converting expire_after value %s to int: %s", expire, err)
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}
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expire = fmt.Sprintf("%dh", days*24)
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log.Printf("[DEBUG] Expire after %s hours", expire)
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}
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expireDur, err := time.ParseDuration(expire)
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if err != nil {
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log.Printf("[DEBUG] Error parsing duration %s: %s", expire, err)
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return fmt.Errorf("Error parsing expire_after duration '%s': %s", expire, err)
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}
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log.Printf("[DEBUG] Seconds duration = %d", int(expireDur.Seconds()))
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c.expireSecs = int(expireDur.Seconds())
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}
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c.insecure = false
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raw, ok := conf["insecure"]
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if !ok {
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raw = os.Getenv("OS_INSECURE")
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}
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if raw != "" {
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v, err := strconv.ParseBool(raw)
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if err != nil {
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return fmt.Errorf("'insecure' and 'OS_INSECURE' could not be parsed as bool: %s", err)
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}
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c.insecure = v
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}
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cacertFile, ok := conf["cacert_file"]
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if !ok {
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cacertFile = os.Getenv("OS_CACERT")
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}
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c.cacert = cacertFile
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cert, ok := conf["cert"]
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if !ok {
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cert = os.Getenv("OS_CERT")
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}
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c.cert = cert
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key, ok := conf["key"]
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if !ok {
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key = os.Getenv("OS_KEY")
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}
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c.key = key
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ao := gophercloud.AuthOptions{
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IdentityEndpoint: c.authurl,
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UserID: c.userid,
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Username: c.username,
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TenantID: c.tenantid,
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TenantName: c.tenantname,
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Password: c.password,
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TokenID: c.token,
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DomainID: c.domainid,
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DomainName: c.domainname,
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}
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provider, err := openstack.NewClient(ao.IdentityEndpoint)
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if err != nil {
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return err
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}
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config := &tls.Config{}
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if c.cacert != "" {
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caCert, err := ioutil.ReadFile(c.cacert)
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if err != nil {
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return err
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}
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caCertPool := x509.NewCertPool()
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caCertPool.AppendCertsFromPEM(caCert)
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config.RootCAs = caCertPool
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}
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if c.insecure {
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log.Printf("[DEBUG] Insecure mode set")
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config.InsecureSkipVerify = true
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}
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if c.cert != "" && c.key != "" {
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cert, err := tls.LoadX509KeyPair(c.cert, c.key)
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if err != nil {
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return err
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}
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config.Certificates = []tls.Certificate{cert}
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config.BuildNameToCertificate()
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}
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// if OS_DEBUG is set, log the requests and responses
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var osDebug bool
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if os.Getenv("OS_DEBUG") != "" {
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osDebug = true
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}
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transport := &http.Transport{Proxy: http.ProxyFromEnvironment, TLSClientConfig: config}
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provider.HTTPClient = http.Client{
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Transport: &tf_openstack.LogRoundTripper{
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Rt: transport,
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OsDebug: osDebug,
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},
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}
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err = openstack.Authenticate(provider, ao)
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if err != nil {
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return err
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}
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c.client, err = openstack.NewObjectStorageV1(provider, gophercloud.EndpointOpts{
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Region: c.region,
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})
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return err
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}
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func (c *SwiftClient) Get() (*Payload, error) {
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result := objects.Download(c.client, c.path, TFSTATE_NAME, nil)
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// Extract any errors from result
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_, err := result.Extract()
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// 404 response is to be expected if the object doesn't already exist!
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if _, ok := err.(gophercloud.ErrDefault404); ok {
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log.Printf("[DEBUG] Container doesn't exist to download.")
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return nil, nil
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}
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bytes, err := result.ExtractContent()
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if err != nil {
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return nil, err
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}
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hash := md5.Sum(bytes)
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payload := &Payload{
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Data: bytes,
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MD5: hash[:md5.Size],
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}
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return payload, nil
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}
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func (c *SwiftClient) Put(data []byte) error {
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if err := c.ensureContainerExists(); err != nil {
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return err
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}
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log.Printf("[DEBUG] Creating object %s at path %s", TFSTATE_NAME, c.path)
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reader := bytes.NewReader(data)
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createOpts := objects.CreateOpts{
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Content: reader,
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}
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if c.expireSecs != 0 {
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log.Printf("[DEBUG] ExpireSecs = %d", c.expireSecs)
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createOpts.DeleteAfter = c.expireSecs
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}
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result := objects.Create(c.client, c.path, TFSTATE_NAME, createOpts)
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return result.Err
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}
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func (c *SwiftClient) Delete() error {
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result := objects.Delete(c.client, c.path, TFSTATE_NAME, nil)
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return result.Err
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}
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func (c *SwiftClient) ensureContainerExists() error {
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containerOpts := &containers.CreateOpts{}
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if c.archive {
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log.Printf("[DEBUG] Creating container %s", c.archivepath)
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result := containers.Create(c.client, c.archivepath, nil)
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if result.Err != nil {
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log.Printf("[DEBUG] Error creating container %s: %s", c.archivepath, result.Err)
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return result.Err
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}
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log.Printf("[DEBUG] Enabling Versioning on container %s", c.path)
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containerOpts.VersionsLocation = c.archivepath
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}
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log.Printf("[DEBUG] Creating container %s", c.path)
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result := containers.Create(c.client, c.path, containerOpts)
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if result.Err != nil {
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return result.Err
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}
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return nil
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}
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func multiEnv(ks []string) string {
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for _, k := range ks {
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if v := os.Getenv(k); v != "" {
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return v
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}
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}
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return ""
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}
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