func cacheClusterStateRefreshFunc(conn *elasticache.ElastiCache, clusterID, givenState string, pending []string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
resp, err := conn.DescribeCacheClusters(&elasticache.DescribeCacheClustersInput{
CacheClusterID: aws.String(clusterID),
ShowCacheNodeInfo: aws.Boolean(true),
})
if err != nil {
apierr := err.(awserr.Error)
log.Printf("[DEBUG] message: %v, code: %v", apierr.Message(), apierr.Code())
if apierr.Message() == fmt.Sprintf("CacheCluster not found: %v", clusterID) {
log.Printf("[DEBUG] Detect deletion")
return nil, "", nil
}
log.Printf("[ERROR] CacheClusterStateRefreshFunc: %s", err)
return nil, "", err
}
c := resp.CacheClusters[0]
log.Printf("[DEBUG] status: %v", *c.CacheClusterStatus)
// return the current state if it's in the pending array
for _, p := range pending {
s := *c.CacheClusterStatus
if p == s {
log.Printf("[DEBUG] Return with status: %v", *c.CacheClusterStatus)
return c, p, nil
}
}
// return given state if it's not in pending
if givenState != "" {
// check to make sure we have the node count we're expecting
if int64(len(c.CacheNodes)) != *c.NumCacheNodes {
log.Printf("[DEBUG] Node count is not what is expected: %d found, %d expected", len(c.CacheNodes), *c.NumCacheNodes)
return nil, "creating", nil
}
// loop the nodes and check their status as well
for _, n := range c.CacheNodes {
if n.CacheNodeStatus != nil && *n.CacheNodeStatus != "available" {
log.Printf("[DEBUG] Node (%s) is not yet available, status: %s", *n.CacheNodeID, *n.CacheNodeStatus)
return nil, "creating", nil
}
}
return c, givenState, nil
}
log.Printf("[DEBUG] current status: %v", *c.CacheClusterStatus)
return c, *c.CacheClusterStatus, nil
}
}
func cacheClusterStateRefreshFunc(conn *elasticache.ElastiCache, clusterID, givenState string, pending []string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
resp, err := conn.DescribeCacheClusters(&elasticache.DescribeCacheClustersInput{
CacheClusterId: aws.String(clusterID),
ShowCacheNodeInfo: aws.Bool(true),
})
if err != nil {
apierr := err.(awserr.Error)
log.Printf("[DEBUG] message: %v, code: %v", apierr.Message(), apierr.Code())
if apierr.Message() == fmt.Sprintf("CacheCluster not found: %v", clusterID) {
log.Printf("[DEBUG] Detect deletion")
return nil, "", nil
}
log.Printf("[ERROR] CacheClusterStateRefreshFunc: %s", err)
return nil, "", err
}
if len(resp.CacheClusters) == 0 {
return nil, "", fmt.Errorf("[WARN] Error: no Cache Clusters found for id (%s)", clusterID)
}
var c *elasticache.CacheCluster
for _, cluster := range resp.CacheClusters {
if *cluster.CacheClusterId == clusterID {
log.Printf("[DEBUG] Found matching ElastiCache cluster: %s", *cluster.CacheClusterId)
c = cluster
}
}
if c == nil {
return nil, "", fmt.Errorf("[WARN] Error: no matching Elastic Cache cluster for id (%s)", clusterID)
}
log.Printf("[DEBUG] ElastiCache Cluster (%s) status: %v", clusterID, *c.CacheClusterStatus)
// return the current state if it's in the pending array
for _, p := range pending {
log.Printf("[DEBUG] ElastiCache: checking pending state (%s) for cluster (%s), cluster status: %s", pending, clusterID, *c.CacheClusterStatus)
s := *c.CacheClusterStatus
if p == s {
log.Printf("[DEBUG] Return with status: %v", *c.CacheClusterStatus)
return c, p, nil
}
}
// return given state if it's not in pending
if givenState != "" {
log.Printf("[DEBUG] ElastiCache: checking given state (%s) of cluster (%s) against cluster status (%s)", givenState, clusterID, *c.CacheClusterStatus)
// check to make sure we have the node count we're expecting
if int64(len(c.CacheNodes)) != *c.NumCacheNodes {
log.Printf("[DEBUG] Node count is not what is expected: %d found, %d expected", len(c.CacheNodes), *c.NumCacheNodes)
return nil, "creating", nil
}
log.Printf("[DEBUG] Node count matched (%d)", len(c.CacheNodes))
// loop the nodes and check their status as well
for _, n := range c.CacheNodes {
log.Printf("[DEBUG] Checking cache node for status: %s", n)
if n.CacheNodeStatus != nil && *n.CacheNodeStatus != "available" {
log.Printf("[DEBUG] Node (%s) is not yet available, status: %s", *n.CacheNodeId, *n.CacheNodeStatus)
return nil, "creating", nil
}
log.Printf("[DEBUG] Cache node not in expected state")
}
log.Printf("[DEBUG] ElastiCache returning given state (%s), cluster: %s", givenState, c)
return c, givenState, nil
}
log.Printf("[DEBUG] current status: %v", *c.CacheClusterStatus)
return c, *c.CacheClusterStatus, nil
}
}