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resource_alicloud_db_backup_policy.go
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resource_alicloud_db_backup_policy.go
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package alicloud
import (
"fmt"
"strconv"
"strings"
"time"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAlicloudDBBackupPolicy() *schema.Resource {
return &schema.Resource{
Create: resourceAlicloudDBBackupPolicyCreate,
Read: resourceAlicloudDBBackupPolicyRead,
Update: resourceAlicloudDBBackupPolicyUpdate,
Delete: resourceAlicloudDBBackupPolicyDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"instance_id": &schema.Schema{
Type: schema.TypeString,
ForceNew: true,
Required: true,
},
"backup_period": &schema.Schema{
Type: schema.TypeSet,
Elem: &schema.Schema{Type: schema.TypeString},
// terraform does not support ValidateFunc of TypeList attr
// ValidateFunc: validateAllowedStringValue([]string{"Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"}),
Optional: true,
Computed: true,
},
"backup_time": &schema.Schema{
Type: schema.TypeString,
ValidateFunc: validateAllowedStringValue(BACKUP_TIME),
Optional: true,
Default: "02:00Z-03:00Z",
},
"retention_period": &schema.Schema{
Type: schema.TypeInt,
ValidateFunc: validateIntegerInRange(7, 730),
Optional: true,
Default: 7,
},
"log_backup": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Default: true,
},
"log_retention_period": &schema.Schema{
Type: schema.TypeInt,
ValidateFunc: validateIntegerInRange(7, 730),
Optional: true,
Default: 7,
DiffSuppressFunc: logRetentionPeriodDiffSuppressFunc,
},
},
}
}
func resourceAlicloudDBBackupPolicyCreate(d *schema.ResourceData, meta interface{}) error {
d.SetId(d.Get("instance_id").(string))
return resourceAlicloudDBBackupPolicyUpdate(d, meta)
}
func resourceAlicloudDBBackupPolicyRead(d *schema.ResourceData, meta interface{}) error {
resp, err := meta.(*AliyunClient).DescribeBackupPolicy(d.Id())
if err != nil {
if NotFoundDBInstance(err) {
d.SetId("")
return nil
}
return fmt.Errorf("Error Describe DB backup policy: %#v", err)
}
d.Set("instance_id", d.Id())
d.Set("backup_time", resp.PreferredBackupTime)
d.Set("backup_period", strings.Split(resp.PreferredBackupPeriod, ","))
d.Set("retention_period", resp.BackupRetentionPeriod)
d.Set("log_backup", resp.BackupLog == "Enable")
d.Set("log_retention_period", resp.LogBackupRetentionPeriod)
return nil
}
func resourceAlicloudDBBackupPolicyUpdate(d *schema.ResourceData, meta interface{}) error {
d.Partial(true)
client := meta.(*AliyunClient)
update := false
periodList := expandStringList(d.Get("backup_period").(*schema.Set).List())
backupPeriod := fmt.Sprintf("%s", strings.Join(periodList[:], COMMA_SEPARATED))
backupTime := d.Get("backup_time").(string)
retentionPeriod := strconv.Itoa(d.Get("retention_period").(int))
backupLog := "Enable"
logBackupRetentionPeriod := strconv.Itoa(d.Get("log_retention_period").(int))
if d.HasChange("backup_period") {
update = true
d.SetPartial("backup_period")
}
if d.HasChange("backup_time") {
update = true
d.SetPartial("backup_time")
}
if d.HasChange("retention_period") {
update = true
d.SetPartial("retention_period")
}
if d.HasChange("log_backup") {
if !d.Get("log_backup").(bool) {
backupLog = "Disabled"
}
update = true
d.SetPartial("retention_period")
}
if d.HasChange("log_retention_period") {
if d.Get("log_retention_period").(int) > d.Get("retention_period").(int) {
logBackupRetentionPeriod = retentionPeriod
}
update = true
d.SetPartial("log_retention_period")
}
if update {
// wait instance running before modifying
if err := client.WaitForDBInstance(d.Id(), Running, 500); err != nil {
return fmt.Errorf("WaitForInstance %s got error: %#v", Running, err)
}
if err := resource.Retry(5*time.Minute, func() *resource.RetryError {
if err := client.ModifyDBBackupPolicy(d.Id(), backupTime, backupPeriod, retentionPeriod, backupLog, logBackupRetentionPeriod); err != nil {
if IsExceptedErrors(err, OperationDeniedDBStatus) {
return resource.RetryableError(fmt.Errorf("ModifyBackupPolicy got an error: %#v.", err))
}
return resource.NonRetryableError(fmt.Errorf("ModifyBackupPolicy got an error: %#v.", err))
}
return nil
}); err != nil {
return err
}
}
d.Partial(false)
return resourceAlicloudDBBackupPolicyRead(d, meta)
}
func resourceAlicloudDBBackupPolicyDelete(d *schema.ResourceData, meta interface{}) error {
backupTime := "02:00Z-03:00Z"
backupPeriod := "Tuesday,Thursday,Saturday"
retentionPeriod := "7"
backupLog := "Enable"
logBackupRetentionPeriod := "7"
return resource.Retry(5*time.Minute, func() *resource.RetryError {
if err := meta.(*AliyunClient).ModifyDBBackupPolicy(d.Id(), backupTime, backupPeriod, retentionPeriod, backupLog, logBackupRetentionPeriod); err != nil {
return resource.RetryableError(fmt.Errorf("ModifyBackupPolicy got an error: %#v", err))
}
return nil
})
}