add

Author: SevenEarth

tencentcloud/services/tke/resource_tc_kubernetes_node_pool.go

@@ -6,6 +6,8 @@ Provide a resource to create an auto scaling group for kubernetes cluster.
 
 ~> **NOTE:**  In order to ensure the integrity of customer data, if the cvm instance was destroyed due to shrinking, it will keep the cbs associate with cvm by default. If you want to destroy together, please set `delete_with_instance` to `true`.
 
+~> **NOTE:**  There are two parameters `wait_node_ready` and `scale_tolerance` to ensure better management of node pool scaling operations. If this parameter is set, when creating resources, if the set criteria are not met, the resources will be marked as `tainted`.
+
 Example Usage
 
 ```hcl
@@ -143,6 +145,72 @@ resource "tencentcloud_kubernetes_node_pool" "example" {
 }
 ```
 
+Set `wait_node_ready` and `scale_tolerance`
+```hcl
+resource "tencentcloud_kubernetes_node_pool" "example" {
+  name                     = "tf-example"
+  cluster_id               = tencentcloud_kubernetes_cluster.managed_cluster.id
+  max_size                 = 100
+  min_size                 = 1
+  vpc_id                   = data.tencentcloud_vpc_subnets.vpc.instance_list.0.vpc_id
+  subnet_ids               = [data.tencentcloud_vpc_subnets.vpc.instance_list.0.subnet_id]
+  retry_policy             = "INCREMENTAL_INTERVALS"
+  desired_capacity         = 50
+  enable_auto_scale        = false
+  wait_node_ready          = true
+  scale_tolerance          = 90
+  multi_zone_subnet_policy = "EQUALITY"
+  node_os                  = "img-6n21msk1"
+  delete_keep_instance     = false
+
+  auto_scaling_config {
+    instance_type              = var.default_instance_type
+    system_disk_type           = "CLOUD_PREMIUM"
+    system_disk_size           = "50"
+    orderly_security_group_ids = ["sg-bw28gmso"]
+
+    data_disk {
+      disk_type            = "CLOUD_PREMIUM"
+      disk_size            = 50
+      delete_with_instance = true
+    }
+
+    internet_charge_type       = "TRAFFIC_POSTPAID_BY_HOUR"
+    internet_max_bandwidth_out = 10
+    public_ip_assigned         = true
+    password                  = "test123#"
+    enhanced_security_service = false
+    enhanced_monitor_service  = false
+    host_name                 = "12.123.0.0"
+    host_name_style           = "ORIGINAL"
+  }
+
+  labels = {
+    "test1" = "test1",
+    "test2" = "test2",
+  }
+
+  taints {
+    key    = "test_taint"
+    value  = "taint_value"
+    effect = "PreferNoSchedule"
+  }
+
+  taints {
+    key    = "test_taint2"
+    value  = "taint_value2"
+    effect = "PreferNoSchedule"
+  }
+
+  node_config {
+    docker_graph_path = "/var/lib/docker"
+    extra_args = [
+      "root-dir=/var/lib/kubelet"
+    ]
+  }
+}
+```
+
 Import
 
 tke node pool can be imported, e.g.

tencentcloud/services/tke/resource_tc_kubernetes_node_pool.md

@@ -6,6 +6,7 @@ import (
 	"log"
 	"strings"
 
+	"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common"
 	tchttp "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/http"
 
 	as "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/as/v20180419"
@@ -54,6 +55,11 @@ func resourceTencentCloudKubernetesNodePoolCreatePostFillRequest0(ctx context.Co
 		return fmt.Errorf("need only one auto_scaling_config")
 	}
 
+	// check params
+	if err := checkParams(ctx); err != nil {
+		return err
+	}
+
 	groupParaStr, err := composeParameterToAsScalingGroupParaSerial(d)
 	if err != nil {
 		return err
@@ -153,6 +159,11 @@ func resourceTencentCloudKubernetesNodePoolCreatePostHandleResponse0(ctx context
 		return err
 	}
 
+	// wait node scaling
+	if err = waitNodePoolInitializing(ctx, clusterId, nodePoolId); err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -556,6 +567,11 @@ func resourceTencentCloudKubernetesNodePoolUpdateOnStart(ctx context.Context) er
 	clusterId := items[0]
 	nodePoolId := items[1]
 
+	// check params
+	if err := checkParams(ctx); err != nil {
+		return err
+	}
+
 	d.Partial(true)
 
 	nodePool, _, err := service.DescribeNodePool(ctx, clusterId, nodePoolId)
@@ -614,6 +630,11 @@ func resourceTencentCloudKubernetesNodePoolUpdateOnStart(ctx context.Context) er
 			return err
 		}
 		capacityHasChanged = true
+
+		// wait node scaling
+		if err = waitNodePoolInitializing(ctx, clusterId, nodePoolId); err != nil {
+			return err
+		}
 	}
 
 	// ModifyClusterNodePool
@@ -697,6 +718,11 @@ func resourceTencentCloudKubernetesNodePoolUpdateOnStart(ctx context.Context) er
 		if err != nil {
 			return err
 		}
+
+		// wait node scaling
+		if err = waitNodePoolInitializing(ctx, clusterId, nodePoolId); err != nil {
+			return err
+		}
 	}
 
 	return nil
@@ -1351,3 +1377,135 @@ func resourceTencentCloudKubernetesNodePoolUpdateTaints(ctx context.Context, clu
 	}
 	return nil
 }
+
+func checkParams(ctx context.Context) error {
+	d := tccommon.ResourceDataFromContext(ctx)
+	var (
+		enableAutoscale bool
+		waitNodeReady   bool
+	)
+
+	if v, ok := d.GetOkExists("enable_auto_scale"); ok {
+		enableAutoscale = v.(bool)
+	}
+
+	if v, ok := d.GetOkExists("wait_node_ready"); ok {
+		waitNodeReady = v.(bool)
+	}
+
+	if enableAutoscale && waitNodeReady {
+		return fmt.Errorf("`wait_node_ready` only can be set if `enable_auto_scale` is `false`.")
+	}
+
+	if _, ok := d.GetOkExists("scale_tolerance"); ok {
+		if !waitNodeReady {
+			return fmt.Errorf("`scale_tolerance` only can be set if `wait_node_ready` is `true`.")
+		}
+	}
+
+	return nil
+}
+
+func waitNodePoolInitializing(ctx context.Context, clusterId, nodePoolId string) (err error) {
+	d := tccommon.ResourceDataFromContext(ctx)
+	meta := tccommon.ProviderMetaFromContext(ctx)
+
+	var (
+		currentNormal      int64
+		desiredCapacity    int64
+		waitNodeReady      bool
+		scaleTolerance     int64 = 100
+		autoscalingGroupId string
+	)
+
+	if v, ok := d.GetOkExists("desired_capacity"); ok {
+		desiredCapacity = int64(v.(int))
+		if desiredCapacity == 0 {
+			desiredCapacity = 1
+		}
+	}
+
+	if v, ok := d.GetOkExists("wait_node_ready"); ok {
+		waitNodeReady = v.(bool)
+	}
+
+	if waitNodeReady {
+		if v, ok := d.GetOkExists("scale_tolerance"); ok {
+			scaleTolerance = int64(v.(int))
+		}
+
+		logId := tccommon.GetLogId(tccommon.ContextNil)
+		nodePoolDetailrequest := tke.NewDescribeClusterNodePoolDetailRequest()
+		nodePoolDetailrequest.ClusterId = common.StringPtr(clusterId)
+		nodePoolDetailrequest.NodePoolId = common.StringPtr(nodePoolId)
+		err = resource.Retry(1*tccommon.ReadRetryTimeout, func() *resource.RetryError {
+			result, e := meta.(tccommon.ProviderMeta).GetAPIV3Conn().UseTkeV20180525Client().DescribeClusterNodePoolDetailWithContext(ctx, nodePoolDetailrequest)
+			if e != nil {
+				return tccommon.RetryError(e)
+			} else {
+				log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n", logId, nodePoolDetailrequest.GetAction(), nodePoolDetailrequest.ToJsonString(), result.ToJsonString())
+			}
+
+			if result == nil || result.Response == nil || result.Response.NodePool == nil || result.Response.NodePool.NodeCountSummary == nil || result.Response.NodePool.NodeCountSummary.AutoscalingAdded == nil {
+				e = fmt.Errorf("Cluster %s node pool %s not exists", clusterId, nodePoolId)
+				return resource.NonRetryableError(e)
+			}
+
+			desiredNodesNum := result.Response.NodePool.DesiredNodesNum
+			autoscalingAdded := result.Response.NodePool.NodeCountSummary.AutoscalingAdded
+			total := autoscalingAdded.Total
+			normal := autoscalingAdded.Normal
+			if *total != 0 {
+				if *normal > *desiredNodesNum {
+					return resource.RetryableError(fmt.Errorf("Node pool is still scaling"))
+				}
+
+				currentTolerance := int64((float64(*normal) / float64(*desiredNodesNum)) * 100)
+				if currentTolerance >= scaleTolerance || *desiredNodesNum == *normal {
+					return nil
+				}
+			}
+
+			currentNormal = *normal
+			autoscalingGroupId = *result.Response.NodePool.AutoscalingGroupId
+			return resource.RetryableError(fmt.Errorf("Node pool is still scaling"))
+		})
+
+		if err != nil {
+			if currentNormal < 1 {
+				var errFmt string
+				asRequest := as.NewDescribeAutoScalingActivitiesRequest()
+				asRequest.Filters = []*as.Filter{
+					{
+						Name:   common.StringPtr("auto-scaling-group-id"),
+						Values: common.StringPtrs([]string{autoscalingGroupId}),
+					},
+				}
+
+				err = resource.Retry(tccommon.ReadRetryTimeout, func() *resource.RetryError {
+					result, e := meta.(tccommon.ProviderMeta).GetAPIV3Conn().UseAsClient().DescribeAutoScalingActivitiesWithContext(ctx, asRequest)
+					if e != nil {
+						return tccommon.RetryError(e)
+					} else {
+						log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n", logId, asRequest.GetAction(), asRequest.ToJsonString(), result.ToJsonString())
+					}
+
+					if result == nil || result.Response == nil || result.Response.ActivitySet == nil || len(result.Response.ActivitySet) < 1 {
+						e = fmt.Errorf("Describe auto scaling activities failed")
+						return resource.NonRetryableError(e)
+					}
+
+					res := result.Response.ActivitySet[0]
+					errFmt = fmt.Sprintf("%s\nDescription: %s\nStatusMessage: %s", *res.StatusMessageSimplified, *res.Description, *res.StatusMessage)
+					return nil
+				})
+
+				return fmt.Errorf("Node pool scaling failed, Reason: %s\nPlease check your resource inventory, Or adjust `desired_capacity`, `scale_tolerance` and `instance_type`, Then try again.", errFmt)
+			} else {
+				return fmt.Errorf("Node pool scaling failed, Desired value: %d, Actual value: %d, Scale tolerance: %d%%\nPlease check your resource inventory, Or adjust `desired_capacity`, `scale_tolerance` and `instance_type`, Then try again.", desiredCapacity, currentNormal, scaleTolerance)
+			}
+		}
+	}
+
+	return nil
+}