diff --git a/README.md b/README.md
index 51503cab3..4799223ed 100644
--- a/README.md
+++ b/README.md
@@ -400,6 +400,7 @@ The node_pools variable takes the following parameters:
 | reservation_affinity_values | The list of label values of reservation resources. For example: the name of the specific reservation when using a key of "compute.googleapis.com/reservation-name". This should be passed as comma separated string. | | Optional |
 | local_ssd_encryption_mode | specifies the method used for encrypting the local SSDs attached to the node. Valid values are: "STANDARD_ENCRYPTION" and "EPHEMERAL_KEY_ENCRYPTION" | | Optional |
 | max_run_duration | The runtime of each node in the node pool in seconds, terminated by 's'. Example: "3600s". | null | Optional |
+| flex_start | Enables Flex Start provisioning model for the node pool | null | Optional |
 
 ## windows_node_pools variable
 
diff --git a/autogen/main/README.md b/autogen/main/README.md
index b48be72be..7e7bfe799 100644
--- a/autogen/main/README.md
+++ b/autogen/main/README.md
@@ -285,6 +285,7 @@ The node_pools variable takes the following parameters:
 | reservation_affinity_values | The list of label values of reservation resources. For example: the name of the specific reservation when using a key of "compute.googleapis.com/reservation-name". This should be passed as comma separated string. | | Optional |
 | local_ssd_encryption_mode | specifies the method used for encrypting the local SSDs attached to the node. Valid values are: "STANDARD_ENCRYPTION" and "EPHEMERAL_KEY_ENCRYPTION" | | Optional |
 | max_run_duration | The runtime of each node in the node pool in seconds, terminated by 's'. Example: "3600s". | null | Optional |
+| flex_start | Enables Flex Start provisioning model for the node pool | null | Optional |
 
 ## windows_node_pools variable
 
diff --git a/autogen/main/cluster.tf.tmpl b/autogen/main/cluster.tf.tmpl
index eaf88cf84..c45145eb4 100644
--- a/autogen/main/cluster.tf.tmpl
+++ b/autogen/main/cluster.tf.tmpl
@@ -678,6 +678,7 @@ resource "google_container_cluster" "primary" {
 
       local_ssd_encryption_mode = lookup(var.node_pools[0], "local_ssd_encryption_mode", null)
       max_run_duration          = lookup(var.node_pools[0], "max_run_duration", null)
+      flex_start                = lookup(var.node_pools[0], "flex_start", null)
     }
   }
   {% endif %}
@@ -846,6 +847,7 @@ locals {
     "secondary_boot_disk",
     "local_ssd_encryption_mode",
     "max_run_duration",
+    "flex_start",
   ]
 }
 
@@ -1288,6 +1290,7 @@ resource "google_container_node_pool" "windows_pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
diff --git a/cluster.tf b/cluster.tf
index 923c71c41..d9a26d27a 100644
--- a/cluster.tf
+++ b/cluster.tf
@@ -529,6 +529,7 @@ resource "google_container_cluster" "primary" {
 
       local_ssd_encryption_mode = lookup(var.node_pools[0], "local_ssd_encryption_mode", null)
       max_run_duration          = lookup(var.node_pools[0], "max_run_duration", null)
+      flex_start                = lookup(var.node_pools[0], "flex_start", null)
     }
   }
 
@@ -975,6 +976,7 @@ resource "google_container_node_pool" "pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
@@ -1306,6 +1308,7 @@ resource "google_container_node_pool" "windows_pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
diff --git a/modules/beta-private-cluster-update-variant/README.md b/modules/beta-private-cluster-update-variant/README.md
index 3272e07e6..f5ca6c90a 100644
--- a/modules/beta-private-cluster-update-variant/README.md
+++ b/modules/beta-private-cluster-update-variant/README.md
@@ -454,6 +454,7 @@ The node_pools variable takes the following parameters:
 | reservation_affinity_values | The list of label values of reservation resources. For example: the name of the specific reservation when using a key of "compute.googleapis.com/reservation-name". This should be passed as comma separated string. | | Optional |
 | local_ssd_encryption_mode | specifies the method used for encrypting the local SSDs attached to the node. Valid values are: "STANDARD_ENCRYPTION" and "EPHEMERAL_KEY_ENCRYPTION" | | Optional |
 | max_run_duration | The runtime of each node in the node pool in seconds, terminated by 's'. Example: "3600s". | null | Optional |
+| flex_start | Enables Flex Start provisioning model for the node pool | null | Optional |
 
 ## windows_node_pools variable
 
diff --git a/modules/beta-private-cluster-update-variant/cluster.tf b/modules/beta-private-cluster-update-variant/cluster.tf
index eaf9e90b6..b77082e17 100644
--- a/modules/beta-private-cluster-update-variant/cluster.tf
+++ b/modules/beta-private-cluster-update-variant/cluster.tf
@@ -573,6 +573,7 @@ resource "google_container_cluster" "primary" {
 
       local_ssd_encryption_mode = lookup(var.node_pools[0], "local_ssd_encryption_mode", null)
       max_run_duration          = lookup(var.node_pools[0], "max_run_duration", null)
+      flex_start                = lookup(var.node_pools[0], "flex_start", null)
     }
   }
 
@@ -725,6 +726,7 @@ locals {
     "secondary_boot_disk",
     "local_ssd_encryption_mode",
     "max_run_duration",
+    "flex_start",
   ]
 }
 
@@ -1138,6 +1140,7 @@ resource "google_container_node_pool" "pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
@@ -1483,6 +1486,7 @@ resource "google_container_node_pool" "windows_pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
diff --git a/modules/beta-private-cluster/README.md b/modules/beta-private-cluster/README.md
index 5fa58ebc7..b555fd007 100644
--- a/modules/beta-private-cluster/README.md
+++ b/modules/beta-private-cluster/README.md
@@ -432,6 +432,7 @@ The node_pools variable takes the following parameters:
 | reservation_affinity_values | The list of label values of reservation resources. For example: the name of the specific reservation when using a key of "compute.googleapis.com/reservation-name". This should be passed as comma separated string. | | Optional |
 | local_ssd_encryption_mode | specifies the method used for encrypting the local SSDs attached to the node. Valid values are: "STANDARD_ENCRYPTION" and "EPHEMERAL_KEY_ENCRYPTION" | | Optional |
 | max_run_duration | The runtime of each node in the node pool in seconds, terminated by 's'. Example: "3600s". | null | Optional |
+| flex_start | Enables Flex Start provisioning model for the node pool | null | Optional |
 
 ## windows_node_pools variable
 
diff --git a/modules/beta-private-cluster/cluster.tf b/modules/beta-private-cluster/cluster.tf
index c64f4f385..b32577b35 100644
--- a/modules/beta-private-cluster/cluster.tf
+++ b/modules/beta-private-cluster/cluster.tf
@@ -573,6 +573,7 @@ resource "google_container_cluster" "primary" {
 
       local_ssd_encryption_mode = lookup(var.node_pools[0], "local_ssd_encryption_mode", null)
       max_run_duration          = lookup(var.node_pools[0], "max_run_duration", null)
+      flex_start                = lookup(var.node_pools[0], "flex_start", null)
     }
   }
 
@@ -1055,6 +1056,7 @@ resource "google_container_node_pool" "pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
@@ -1399,6 +1401,7 @@ resource "google_container_node_pool" "windows_pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
diff --git a/modules/beta-public-cluster-update-variant/README.md b/modules/beta-public-cluster-update-variant/README.md
index df0a6dceb..3868f5397 100644
--- a/modules/beta-public-cluster-update-variant/README.md
+++ b/modules/beta-public-cluster-update-variant/README.md
@@ -441,6 +441,7 @@ The node_pools variable takes the following parameters:
 | reservation_affinity_values | The list of label values of reservation resources. For example: the name of the specific reservation when using a key of "compute.googleapis.com/reservation-name". This should be passed as comma separated string. | | Optional |
 | local_ssd_encryption_mode | specifies the method used for encrypting the local SSDs attached to the node. Valid values are: "STANDARD_ENCRYPTION" and "EPHEMERAL_KEY_ENCRYPTION" | | Optional |
 | max_run_duration | The runtime of each node in the node pool in seconds, terminated by 's'. Example: "3600s". | null | Optional |
+| flex_start | Enables Flex Start provisioning model for the node pool | null | Optional |
 
 ## windows_node_pools variable
 
diff --git a/modules/beta-public-cluster-update-variant/cluster.tf b/modules/beta-public-cluster-update-variant/cluster.tf
index 3fba3b693..d24214907 100644
--- a/modules/beta-public-cluster-update-variant/cluster.tf
+++ b/modules/beta-public-cluster-update-variant/cluster.tf
@@ -573,6 +573,7 @@ resource "google_container_cluster" "primary" {
 
       local_ssd_encryption_mode = lookup(var.node_pools[0], "local_ssd_encryption_mode", null)
       max_run_duration          = lookup(var.node_pools[0], "max_run_duration", null)
+      flex_start                = lookup(var.node_pools[0], "flex_start", null)
     }
   }
 
@@ -703,6 +704,7 @@ locals {
     "secondary_boot_disk",
     "local_ssd_encryption_mode",
     "max_run_duration",
+    "flex_start",
   ]
 }
 
@@ -1116,6 +1118,7 @@ resource "google_container_node_pool" "pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
@@ -1461,6 +1464,7 @@ resource "google_container_node_pool" "windows_pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
diff --git a/modules/beta-public-cluster/README.md b/modules/beta-public-cluster/README.md
index 0279d919a..a93fdf84a 100644
--- a/modules/beta-public-cluster/README.md
+++ b/modules/beta-public-cluster/README.md
@@ -419,6 +419,7 @@ The node_pools variable takes the following parameters:
 | reservation_affinity_values | The list of label values of reservation resources. For example: the name of the specific reservation when using a key of "compute.googleapis.com/reservation-name". This should be passed as comma separated string. | | Optional |
 | local_ssd_encryption_mode | specifies the method used for encrypting the local SSDs attached to the node. Valid values are: "STANDARD_ENCRYPTION" and "EPHEMERAL_KEY_ENCRYPTION" | | Optional |
 | max_run_duration | The runtime of each node in the node pool in seconds, terminated by 's'. Example: "3600s". | null | Optional |
+| flex_start | Enables Flex Start provisioning model for the node pool | null | Optional |
 
 ## windows_node_pools variable
 
diff --git a/modules/beta-public-cluster/cluster.tf b/modules/beta-public-cluster/cluster.tf
index 322cf8937..aaf21d7a3 100644
--- a/modules/beta-public-cluster/cluster.tf
+++ b/modules/beta-public-cluster/cluster.tf
@@ -573,6 +573,7 @@ resource "google_container_cluster" "primary" {
 
       local_ssd_encryption_mode = lookup(var.node_pools[0], "local_ssd_encryption_mode", null)
       max_run_duration          = lookup(var.node_pools[0], "max_run_duration", null)
+      flex_start                = lookup(var.node_pools[0], "flex_start", null)
     }
   }
 
@@ -1033,6 +1034,7 @@ resource "google_container_node_pool" "pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
@@ -1377,6 +1379,7 @@ resource "google_container_node_pool" "windows_pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
diff --git a/modules/private-cluster-update-variant/README.md b/modules/private-cluster-update-variant/README.md
index 96cb9fb36..6bf872915 100644
--- a/modules/private-cluster-update-variant/README.md
+++ b/modules/private-cluster-update-variant/README.md
@@ -435,6 +435,7 @@ The node_pools variable takes the following parameters:
 | reservation_affinity_values | The list of label values of reservation resources. For example: the name of the specific reservation when using a key of "compute.googleapis.com/reservation-name". This should be passed as comma separated string. | | Optional |
 | local_ssd_encryption_mode | specifies the method used for encrypting the local SSDs attached to the node. Valid values are: "STANDARD_ENCRYPTION" and "EPHEMERAL_KEY_ENCRYPTION" | | Optional |
 | max_run_duration | The runtime of each node in the node pool in seconds, terminated by 's'. Example: "3600s". | null | Optional |
+| flex_start | Enables Flex Start provisioning model for the node pool | null | Optional |
 
 ## windows_node_pools variable
 
diff --git a/modules/private-cluster-update-variant/cluster.tf b/modules/private-cluster-update-variant/cluster.tf
index 003f4df53..79bcc92ff 100644
--- a/modules/private-cluster-update-variant/cluster.tf
+++ b/modules/private-cluster-update-variant/cluster.tf
@@ -529,6 +529,7 @@ resource "google_container_cluster" "primary" {
 
       local_ssd_encryption_mode = lookup(var.node_pools[0], "local_ssd_encryption_mode", null)
       max_run_duration          = lookup(var.node_pools[0], "max_run_duration", null)
+      flex_start                = lookup(var.node_pools[0], "flex_start", null)
     }
   }
 
@@ -679,6 +680,7 @@ locals {
     "secondary_boot_disk",
     "local_ssd_encryption_mode",
     "max_run_duration",
+    "flex_start",
   ]
 }
 
@@ -1079,6 +1081,7 @@ resource "google_container_node_pool" "pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
@@ -1411,6 +1414,7 @@ resource "google_container_node_pool" "windows_pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
diff --git a/modules/private-cluster/README.md b/modules/private-cluster/README.md
index a37139058..ab29e57ab 100644
--- a/modules/private-cluster/README.md
+++ b/modules/private-cluster/README.md
@@ -413,6 +413,7 @@ The node_pools variable takes the following parameters:
 | reservation_affinity_values | The list of label values of reservation resources. For example: the name of the specific reservation when using a key of "compute.googleapis.com/reservation-name". This should be passed as comma separated string. | | Optional |
 | local_ssd_encryption_mode | specifies the method used for encrypting the local SSDs attached to the node. Valid values are: "STANDARD_ENCRYPTION" and "EPHEMERAL_KEY_ENCRYPTION" | | Optional |
 | max_run_duration | The runtime of each node in the node pool in seconds, terminated by 's'. Example: "3600s". | null | Optional |
+| flex_start | Enables Flex Start provisioning model for the node pool | null | Optional |
 
 ## windows_node_pools variable
 
diff --git a/modules/private-cluster/cluster.tf b/modules/private-cluster/cluster.tf
index 1ba5da2c3..70c169c55 100644
--- a/modules/private-cluster/cluster.tf
+++ b/modules/private-cluster/cluster.tf
@@ -529,6 +529,7 @@ resource "google_container_cluster" "primary" {
 
       local_ssd_encryption_mode = lookup(var.node_pools[0], "local_ssd_encryption_mode", null)
       max_run_duration          = lookup(var.node_pools[0], "max_run_duration", null)
+      flex_start                = lookup(var.node_pools[0], "flex_start", null)
     }
   }
 
@@ -997,6 +998,7 @@ resource "google_container_node_pool" "pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {
@@ -1328,6 +1330,7 @@ resource "google_container_node_pool" "windows_pools" {
 
     local_ssd_encryption_mode = lookup(each.value, "local_ssd_encryption_mode", null)
     max_run_duration          = lookup(each.value, "max_run_duration", null)
+    flex_start                = lookup(each.value, "flex_start", null)
   }
 
   lifecycle {