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Support for concurrent nodepool CRUD operations #6748

Merged
merged 16 commits into from
Dec 5, 2022
Merged

Support for concurrent nodepool CRUD operations #6748

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8dec30a
initial commit
danielvegamyhre Oct 21, 2022
d8fb686
fix bug in retry logic
danielvegamyhre Oct 27, 2022
dad7696
Merge pull request #1 from danielvegamyhre/dev
danielvegamyhre Oct 27, 2022
c7c2c0f
Merge branch 'GoogleCloudPlatform:main' into main
danielvegamyhre Oct 27, 2022
6967fe0
add retry loop for updating tags
danielvegamyhre Oct 28, 2022
3bd3eba
refactor getClusterHash to be compatible with terraform-validator repo
danielvegamyhre Oct 28, 2022
675cbbe
add concurrent node pool crud test
danielvegamyhre Nov 21, 2022
e9281b3
include changes in both GA and beta
danielvegamyhre Nov 21, 2022
d45bd60
Merge remote-tracking branch 'upstream/main'
danielvegamyhre Nov 30, 2022
400737b
update old lock variable references
danielvegamyhre Nov 30, 2022
aa65e07
remove old lock reference
danielvegamyhre Nov 30, 2022
fec2fac
use fully qualified cluster name instead of cluster hash in nodepool …
danielvegamyhre Dec 1, 2022
3f48d92
remove unused helper functions
danielvegamyhre Dec 1, 2022
5265392
max surge from 1 to 2
danielvegamyhre Dec 1, 2022
9066562
modify concurrency test to do a version upgrade
danielvegamyhre Dec 2, 2022
16f96f2
use 1.23.13-gke.900 for concurrent test
danielvegamyhre Dec 2, 2022
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148 changes: 65 additions & 83 deletions mmv1/third_party/terraform/resources/resource_container_node_pool.go.erb
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Original file line number Diff line number Diff line change
Expand Up @@ -389,11 +389,21 @@ func (nodePoolInformation *NodePoolInformation) parent() string {
)
}

func (nodePoolInformation *NodePoolInformation) lockKey() string {
func (nodePoolInformation *NodePoolInformation) clusterLockKey() string {
return containerClusterMutexKey(nodePoolInformation.project,
nodePoolInformation.location, nodePoolInformation.cluster)
}

func (nodePoolInformation *NodePoolInformation) nodePoolLockKey(nodePoolName string) string {
return fmt.Sprintf(
"projects/%s/locations/%s/clusters/%s/nodePools/%s",
nodePoolInformation.project,
nodePoolInformation.location,
nodePoolInformation.cluster,
nodePoolName,
)
}

func extractNodePoolInformation(d *schema.ResourceData, config *Config) (*NodePoolInformation, error) {
cluster := d.Get("cluster").(string)

Expand Down Expand Up @@ -441,8 +451,15 @@ func resourceContainerNodePoolCreate(d *schema.ResourceData, meta interface{}) e
return err
}

mutexKV.Lock(nodePoolInfo.lockKey())
defer mutexKV.Unlock(nodePoolInfo.lockKey())
// Acquire read-lock on cluster.
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clusterLockKey := nodePoolInfo.clusterLockKey()
mutexKV.RLock(clusterLockKey)
defer mutexKV.RUnlock(clusterLockKey)

// Acquire write-lock on nodepool.
npLockKey := nodePoolInfo.nodePoolLockKey(nodePool.Name)
mutexKV.Lock(npLockKey)
defer mutexKV.Unlock(npLockKey)

req := &container.CreateNodePoolRequest{
NodePool: nodePool,
Expand Down Expand Up @@ -526,12 +543,6 @@ func resourceContainerNodePoolCreate(d *schema.ResourceData, meta interface{}) e
return err
}

//Check cluster is in running state
_, err = containerClusterAwaitRestingState(config, nodePoolInfo.project, nodePoolInfo.location, nodePoolInfo.cluster, userAgent, d.Timeout(schema.TimeoutCreate))
if err != nil {
return err
}

state, err := containerNodePoolAwaitRestingState(config, d.Id(), nodePoolInfo.project, userAgent, d.Timeout(schema.TimeoutCreate))
if err != nil {
return err
Expand Down Expand Up @@ -616,12 +627,6 @@ func resourceContainerNodePoolUpdate(d *schema.ResourceData, meta interface{}) e
}
name := getNodePoolName(d.Id())

//Check cluster is in running state
_, err = containerClusterAwaitRestingState(config, nodePoolInfo.project, nodePoolInfo.location, nodePoolInfo.cluster, userAgent, d.Timeout(schema.TimeoutCreate))
if err != nil {
return err
}

_, err = containerNodePoolAwaitRestingState(config, nodePoolInfo.fullyQualifiedName(name), nodePoolInfo.project, userAgent, d.Timeout(schema.TimeoutUpdate))
if err != nil {
return err
Expand Down Expand Up @@ -660,16 +665,6 @@ func resourceContainerNodePoolDelete(d *schema.ResourceData, meta interface{}) e

name := getNodePoolName(d.Id())

//Check cluster is in running state
_, err = containerClusterAwaitRestingState(config, nodePoolInfo.project, nodePoolInfo.location, nodePoolInfo.cluster, userAgent, d.Timeout(schema.TimeoutCreate))
if err != nil {
if isGoogleApiErrorWithCode(err, 404) {
log.Printf("[INFO] GKE cluster %s doesn't exist, skipping node pool %s deletion", nodePoolInfo.cluster, d.Id())
return nil
}
return err
}

_, err = containerNodePoolAwaitRestingState(config, nodePoolInfo.fullyQualifiedName(name), nodePoolInfo.project, userAgent, d.Timeout(schema.TimeoutDelete))
if err != nil {
// If the node pool doesn't get created and then we try to delete it, we get an error,
Expand All @@ -682,9 +677,15 @@ func resourceContainerNodePoolDelete(d *schema.ResourceData, meta interface{}) e
}
}

mutexKV.Lock(nodePoolInfo.lockKey())
defer mutexKV.Unlock(nodePoolInfo.lockKey())
// Acquire read-lock on cluster.
clusterLockKey := nodePoolInfo.clusterLockKey()
mutexKV.RLock(clusterLockKey)
defer mutexKV.RUnlock(clusterLockKey)

// Acquire write-lock on nodepool.
npLockKey := nodePoolInfo.nodePoolLockKey(name)
mutexKV.Lock(npLockKey)
defer mutexKV.Unlock(npLockKey)

timeout := d.Timeout(schema.TimeoutDelete)
startTime := time.Now()
Expand Down Expand Up @@ -1121,13 +1122,19 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
config := meta.(*Config)
name := d.Get(prefix + "name").(string)

lockKey := nodePoolInfo.lockKey()

userAgent, err := generateUserAgentString(d, config.userAgent)
if err != nil {
return err
}

// Acquire read-lock on cluster.
clusterLockKey := nodePoolInfo.clusterLockKey()
mutexKV.RLock(clusterLockKey)
defer mutexKV.RUnlock(clusterLockKey)

// Nodepool write-lock will be acquired when update function is called.
npLockKey := nodePoolInfo.nodePoolLockKey(name)

if d.HasChange(prefix + "autoscaling") {
update := &container.ClusterUpdate{
DesiredNodePoolId: name,
Expand Down Expand Up @@ -1170,11 +1177,9 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated autoscaling in Node Pool %s", d.Id())
}

Expand Down Expand Up @@ -1210,9 +1215,8 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated logging_variant for node pool %s", name)
Expand Down Expand Up @@ -1264,12 +1268,10 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
"updating GKE node pool tags", userAgent,
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err

if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated tags for node pool %s", name)
}

Expand Down Expand Up @@ -1304,8 +1306,8 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated resource labels for node pool %s", name)
Expand Down Expand Up @@ -1336,11 +1338,9 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated image type in Node Pool %s", d.Id())
}

Expand Down Expand Up @@ -1372,11 +1372,9 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated workload_metadata_config for node pool %s", name)
}

Expand Down Expand Up @@ -1408,9 +1406,8 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated kubelet_config for node pool %s", name)
Expand Down Expand Up @@ -1442,9 +1439,8 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated linux_node_config for node pool %s", name)
Expand Down Expand Up @@ -1475,12 +1471,9 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
nodePoolInfo.location, "updating GKE node pool size", userAgent,
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] GKE node pool %s size has been updated to %d", name, newSize)
}

Expand Down Expand Up @@ -1513,11 +1506,9 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
nodePoolInfo.location, "updating GKE node pool management", userAgent, timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated management in Node Pool %s", name)
}

Expand All @@ -1542,12 +1533,9 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
nodePoolInfo.project,
nodePoolInfo.location, "updating GKE node pool version", userAgent, timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated version in Node Pool %s", name)
}

Expand All @@ -1570,11 +1558,9 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
return containerOperationWait(config, op, nodePoolInfo.project, nodePoolInfo.location, "updating GKE node pool node locations", userAgent, timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated node locations in Node Pool %s", name)
}

Expand Down Expand Up @@ -1643,12 +1629,9 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
// Wait until it's updated
return containerOperationWait(config, op, nodePoolInfo.project, nodePoolInfo.location, "updating GKE node pool upgrade settings", userAgent, timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated upgrade settings in Node Pool %s", name)
}

Expand Down Expand Up @@ -1677,9 +1660,8 @@ func nodePoolUpdate(d *schema.ResourceData, meta interface{}, nodePoolInfo *Node
timeout)
}

// Call update serially.
if err := lockedCall(lockKey, updateF); err != nil {
return err
if err := retryWhileIncompatibleOperation(timeout, npLockKey, updateF); err != nil {
return err
}

log.Printf("[INFO] Updated workload_metadata_config for node pool %s", name)
Expand Down
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