update cfs snapshot policy

Author: hellertang

.changelog/1631.txt

@@ -0,0 +1,3 @@
+```release-note:new-resource
+resource/tencentcloud_cfs_auto_snapshot_policy:  support set day_of_month and interval_days
+```

tencentcloud/resource_tc_cfs_auto_snapshot_policy.go

@@ -3,6 +3,8 @@ Provides a resource to create a cfs auto_snapshot_policy
 
 Example Usage
 
+use day of week
+
 ```hcl
 resource "tencentcloud_cfs_auto_snapshot_policy" "auto_snapshot_policy" {
   day_of_week = "1,2"
@@ -12,6 +14,29 @@ resource "tencentcloud_cfs_auto_snapshot_policy" "auto_snapshot_policy" {
 }
 ```
 
+use day of month
+
+```hcl
+resource "tencentcloud_cfs_auto_snapshot_policy" "auto_snapshot_policy" {
+  hour = "2,3"
+  policy_name = "policy_name"
+  alive_days = 7
+  day_of_month = "2,3,4"
+}
+```
+
+use interval days
+
+```hcl
+resource "tencentcloud_cfs_auto_snapshot_policy" "auto_snapshot_policy" {
+  hour = "2,3"
+  policy_name = "policy_name"
+  alive_days = 7
+  interval_days = 1
+}
+```
+
+
 Import
 
 cfs auto_snapshot_policy can be imported using the id, e.g.
@@ -43,12 +68,6 @@ func resourceTencentCloudCfsAutoSnapshotPolicy() *schema.Resource {
 			State: schema.ImportStatePassthrough,
 		},
 		Schema: map[string]*schema.Schema{
-			"day_of_week": {
-				Required:    true,
-				Type:        schema.TypeString,
-				Description: "The day of the week on which to repeat the snapshot operation.",
-			},
-
 			"hour": {
 				Required:    true,
 				Type:        schema.TypeString,
@@ -61,6 +80,12 @@ func resourceTencentCloudCfsAutoSnapshotPolicy() *schema.Resource {
 				Description: "Policy name.",
 			},
 
+			"day_of_week": {
+				Optional:    true,
+				Type:        schema.TypeString,
+				Description: "The day of the week on which to repeat the snapshot operation.",
+			},
+
 			"alive_days": {
 				Optional:    true,
 				Type:        schema.TypeInt,

website/docs/r/cfs_auto_snapshot_policy.html.markdown

@@ -13,6 +13,8 @@ Provides a resource to create a cfs auto_snapshot_policy
 
 ## Example Usage
 
+use day of week
+
 ```hcl
 resource "tencentcloud_cfs_auto_snapshot_policy" "auto_snapshot_policy" {
   day_of_week = "1,2"
@@ -22,14 +24,36 @@ resource "tencentcloud_cfs_auto_snapshot_policy" "auto_snapshot_policy" {
 }
 ```
 
+use day of month
+
+```hcl
+resource "tencentcloud_cfs_auto_snapshot_policy" "auto_snapshot_policy" {
+  hour         = "2,3"
+  policy_name  = "policy_name"
+  alive_days   = 7
+  day_of_month = "2,3,4"
+}
+```
+
+use interval days
+
+```hcl
+resource "tencentcloud_cfs_auto_snapshot_policy" "auto_snapshot_policy" {
+  hour          = "2,3"
+  policy_name   = "policy_name"
+  alive_days    = 7
+  interval_days = 1
+}
+```
+
 ## Argument Reference
 
 The following arguments are supported:
 
-* `day_of_week` - (Required, String) The day of the week on which to repeat the snapshot operation.
 * `hour` - (Required, String) The time point when to repeat the snapshot operation.
 * `alive_days` - (Optional, Int) Snapshot retention period.
 * `day_of_month` - (Optional, String) The specific day (day 1 to day 31) of the month on which to create a snapshot.
+* `day_of_week` - (Optional, String) The day of the week on which to repeat the snapshot operation.
 * `interval_days` - (Optional, Int) The snapshot interval, in days.
 * `policy_name` - (Optional, String) Policy name.