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resource_openstack_db_user_v1.go
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resource_openstack_db_user_v1.go
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package openstack
import (
"fmt"
"log"
"strings"
"time"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/db/v1/databases"
"github.com/gophercloud/gophercloud/openstack/db/v1/users"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceDatabaseUserV1() *schema.Resource {
return &schema.Resource{
Create: resourceDatabaseUserV1Create,
Read: resourceDatabaseUserV1Read,
Delete: resourceDatabaseUserV1Delete,
Timeouts: &schema.ResourceTimeout{
Create: schema.DefaultTimeout(10 * time.Minute),
Delete: schema.DefaultTimeout(10 * time.Minute),
},
Schema: map[string]*schema.Schema{
"region": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
DefaultFunc: schema.EnvDefaultFunc("OS_REGION_NAME", ""),
},
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"instance_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"password": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
Sensitive: true,
},
"host": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"databases": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
},
}
}
func resourceDatabaseUserV1Create(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
databaseV1Client, err := config.databaseV1Client(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating cloud database client: %s", err)
}
userName := d.Get("name").(string)
rawDatabases := d.Get("databases").(*schema.Set).List()
instanceID := d.Get("instance_id").(string)
var dbs databases.BatchCreateOpts
for _, db := range rawDatabases {
dbs = append(dbs, databases.CreateOpts{
Name: db.(string),
})
}
var usersList users.BatchCreateOpts
usersList = append(usersList, users.CreateOpts{
Name: userName,
Password: d.Get("password").(string),
Host: d.Get("host").(string),
Databases: dbs,
})
users.Create(databaseV1Client, instanceID, usersList)
stateConf := &resource.StateChangeConf{
Pending: []string{"BUILD"},
Target: []string{"ACTIVE"},
Refresh: DatabaseUserV1StateRefreshFunc(databaseV1Client, instanceID, userName),
Timeout: d.Timeout(schema.TimeoutCreate),
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf(
"Error waiting for user (%s) to be created", err)
}
// Store the ID now
d.SetId(fmt.Sprintf("%s/%s", instanceID, userName))
return resourceDatabaseUserV1Read(d, meta)
}
func resourceDatabaseUserV1Read(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
databaseV1Client, err := config.databaseV1Client(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating cloud database client: %s", err)
}
userID := strings.SplitN(d.Id(), "/", 2)
if len(userID) != 2 {
return fmt.Errorf("Invalid openstack_db_user_v1 ID format")
}
instanceID := userID[0]
userName := userID[1]
exists, userObj, err := DatabaseUserV1State(databaseV1Client, instanceID, userName)
if err != nil {
return fmt.Errorf("Error checking user status: %s", err)
}
if !exists {
return fmt.Errorf("User %s was not found: %s", userName, err)
}
log.Printf("[DEBUG] Retrieved user %s", userName)
d.Set("name", userName)
var databases []string
for _, dbName := range userObj.Databases {
databases = append(databases, dbName.Name)
}
if err := d.Set("databases", databases); err != nil {
return fmt.Errorf("Unable to set databases: %s", err)
}
return nil
}
func resourceDatabaseUserV1Delete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
databaseV1Client, err := config.databaseV1Client(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating cloud database client: %s", err)
}
userID := strings.SplitN(d.Id(), "/", 2)
if len(userID) != 2 {
return fmt.Errorf("Invalid openstack_db_user_v1 ID format")
}
instanceID := userID[0]
userName := userID[1]
exists, _, err := DatabaseUserV1State(databaseV1Client, instanceID, userName)
if err != nil {
return fmt.Errorf("Error checking user status: %s", err)
}
if !exists {
log.Printf("User %s was not found on instance %s", userName, instanceID)
return nil
}
log.Printf("[DEBUG] Retrieved user %s", userName)
users.Delete(databaseV1Client, instanceID, userName)
d.SetId("")
return nil
}
// DatabaseUserV1StateRefreshFunc returns a resource.StateRefreshFunc that is used to watch db user.
func DatabaseUserV1StateRefreshFunc(client *gophercloud.ServiceClient, instanceID string, userName string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
pages, err := users.List(client, instanceID).AllPages()
if err != nil {
return nil, "", fmt.Errorf("Unable to retrieve users, pages: %s", err)
}
allUsers, err := users.ExtractUsers(pages)
if err != nil {
return nil, "", fmt.Errorf("Unable to retrieve users, extract: %s", err)
}
for _, v := range allUsers {
if v.Name == userName {
return v, "ACTIVE", nil
}
}
return nil, "BUILD", nil
}
}
// DatabaseUserV1State is used to check whether user exists on particular database instance
func DatabaseUserV1State(client *gophercloud.ServiceClient, instanceID string, userName string) (exists bool, userObj users.User, err error) {
exists = false
err = nil
pages, err := users.List(client, instanceID).AllPages()
if err != nil {
return
}
allUsers, err := users.ExtractUsers(pages)
if err != nil {
return
}
for _, v := range allUsers {
if v.Name == userName {
exists = true
userObj = v
return
}
}
return false, userObj, err
}