[aws] Support c5n instances (#62)

Author: lbernail

aws/limits.go

@@ -32,16 +32,22 @@ func init() {
 		"c4.8xlarge":   {8, 30, 30},
 		"c5.large":     {3, 10, 10},
 		"c5d.large":    {3, 10, 10},
+		"c5n.large":    {3, 10, 10},
 		"c5.xlarge":    {4, 15, 15},
 		"c5d.xlarge":   {4, 15, 15},
+		"c5n.xlarge":   {4, 15, 15},
 		"c5.2xlarge":   {4, 15, 15},
 		"c5d.2xlarge":  {4, 15, 15},
+		"c5n.2xlarge":  {4, 15, 15},
 		"c5.4xlarge":   {8, 30, 30},
 		"c5d.4xlarge":  {8, 30, 30},
+		"c5n.4xlarge":  {8, 30, 30},
 		"c5.9xlarge":   {8, 30, 30},
 		"c5d.9xlarge":  {8, 30, 30},
+		"c5n.9xlarge":  {8, 30, 30},
 		"c5.18xlarge":  {15, 50, 50},
 		"c5d.18xlarge": {15, 50, 50},
+		"c5n.18xlarge": {15, 50, 50},
 		"cc2.8xlarge":  {8, 30, 0},
 		"cg1.4xlarge":  {8, 30, 0},
 		"cr1.8xlarge":  {8, 30, 0},