aks-preview: Add new --node-provisioning-default-pools parameter

src/aks-preview/HISTORY.rst

@@ -11,6 +11,8 @@ To release a new version, please select a new version number (usually plus 1 to
 
 Pending
 +++++++
+* Add `--node-provisioning-default-pools` to the `az aks update` command.
+* Add `--node-provisioning-default-pools` to the `az aks create` command.
 
 18.0.0b13
 +++++++

src/aks-preview/azext_aks_preview/_consts.py

@@ -319,6 +319,10 @@
 CONST_NODE_PROVISIONING_MODE_MANUAL = "Manual"
 CONST_NODE_PROVISIONING_MODE_AUTO = "Auto"
 
+# Node Provisioning Default Pools Consts
+CONST_NODE_PROVISIONING_DEFAULT_POOLS_AUTO = "Auto"
+CONST_NODE_PROVISIONING_DEFAULT_POOLS_NONE = "None"
+
 # Node Provisioning State Consts
 CONST_NODE_PROVISIONING_STATE_SUCCEEDED = "Succeeded"
 

src/aks-preview/azext_aks_preview/_help.py

@@ -596,6 +596,14 @@
         - name: --node-provisioning-mode
           type: string
           short-summary: Set the node provisioning mode of the cluster. Valid values are "Auto" and "Manual". For more information on "Auto" mode see aka.ms/aks/nap.
+        - name: --node-provisioning-default-pools
+          type: string
+          short-summary: The set of default Karpenter NodePools configured for node provisioning. Valid values are "Auto" and "None".
+          long-summary: |-
+              The set of default Karpenter NodePools configured for node provisioning. Valid values are "Auto" and "None".
+              Auto: A standard set of Karpenter NodePools are provisioned.
+              None: No Karpenter NodePools are provisioned.
+              WARNING: Changing this from Auto to None on an existing cluster will cause the default Karpenter NodePools to be deleted, which will in turn drain and delete the nodes associated with those pools. It is strongly recommended to not do this unless there are idle nodes ready to take the pods evicted by that action.
         - name: --enable-app-routing
           type: bool
           short-summary: Enable Application Routing addon.
@@ -1230,6 +1238,14 @@
         - name: --node-provisioning-mode
           type: string
           short-summary: Set the node provisioning mode of the cluster. Valid values are "Auto" and "Manual". For more information on "Auto" mode see aka.ms/aks/nap.
+        - name: --node-provisioning-default-pools
+          type: string
+          short-summary: The set of default Karpenter NodePools configured for node provisioning. Valid values are "Auto" and "None".
+          long-summary: |-
+              The set of default Karpenter NodePools configured for node provisioning. Valid values are "Auto" and "None".
+              Auto: A standard set of Karpenter NodePools are provisioned.
+              None: No Karpenter NodePools are provisioned.
+              WARNING: Changing this from Auto to None on an existing cluster will cause the default Karpenter NodePools to be deleted, which will in turn drain and delete the nodes associated with those pools. It is strongly recommended to not do this unless there are idle nodes ready to take the pods evicted by that action.
         - name: --enable-ai-toolchain-operator
           type: bool
           short-summary: Enable AI toolchain operator to the cluster

src/aks-preview/azext_aks_preview/_params.py

@@ -126,6 +126,8 @@
     CONST_WORKLOAD_RUNTIME_WASM_WASI,
     CONST_NODE_PROVISIONING_MODE_MANUAL,
     CONST_NODE_PROVISIONING_MODE_AUTO,
+    CONST_NODE_PROVISIONING_DEFAULT_POOLS_AUTO,
+    CONST_NODE_PROVISIONING_DEFAULT_POOLS_NONE,
     CONST_MANAGED_CLUSTER_SKU_NAME_BASE,
     CONST_MANAGED_CLUSTER_SKU_NAME_AUTOMATIC,
     CONST_SSH_ACCESS_LOCALUSER,
@@ -456,12 +458,16 @@
     CONST_EPHEMERAL_NVME_PERF_TIER_STANDARD,
 ]
 
-# consts for guardrails level
 node_provisioning_modes = [
     CONST_NODE_PROVISIONING_MODE_MANUAL,
     CONST_NODE_PROVISIONING_MODE_AUTO,
 ]
 
+node_provisioning_default_pools = [
+    CONST_NODE_PROVISIONING_DEFAULT_POOLS_AUTO,
+    CONST_NODE_PROVISIONING_DEFAULT_POOLS_NONE,
+]
+
 ssh_accesses = [
     CONST_SSH_ACCESS_LOCALUSER,
     CONST_SSH_ACCESS_DISABLED,
@@ -1016,6 +1022,20 @@ def load_arguments(self, _):
                 'For more information on "Auto" mode see aka.ms/aks/nap.'
             )
         )
+        c.argument(
+            "node_provisioning_default_pools",
+            is_preview=True,
+            arg_type=get_enum_type(node_provisioning_default_pools),
+            help=(
+                'The set of default Karpenter NodePools configured for node provisioning. '
+                'Valid values are "Auto" and "None". Auto: A standard set of Karpenter NodePools are provisioned. '
+                'None: No Karpenter NodePools are provisioned. '
+                'WARNING: Changing this from Auto to None on an existing cluster will cause the default Karpenter '
+                'NodePools to be deleted, which will in turn drain and delete the nodes associated with those pools. '
+                'It is strongly recommended to not do this unless there are idle nodes ready to take the pods evicted '
+                'by that action.'
+            )
+        )
         # in creation scenario, use "localuser" as default
         c.argument(
             'ssh_access',
@@ -1461,6 +1481,20 @@ def load_arguments(self, _):
                 'For more information on "Auto" mode see aka.ms/aks/nap.'
             )
         )
+        c.argument(
+            "node_provisioning_default_pools",
+            is_preview=True,
+            arg_type=get_enum_type(node_provisioning_default_pools),
+            help=(
+                'The set of default Karpenter NodePools configured for node provisioning. '
+                'Valid values are "Auto" and "None". Auto: A standard set of Karpenter NodePools are provisioned. '
+                'None: No Karpenter NodePools are provisioned. '
+                'WARNING: Changing this from Auto to None on an existing cluster will cause the default Karpenter '
+                'NodePools to be deleted, which will in turn drain and delete the nodes associated with those pools. '
+                'It is strongly recommended to not do this unless there are idle nodes ready to take the pods evicted '
+                'by that action.'
+            )
+        )
         c.argument('enable_static_egress_gateway', is_preview=True, action='store_true')
         c.argument('disable_static_egress_gateway', is_preview=True, action='store_true')
         c.argument("enable_imds_restriction", action="store_true", is_preview=True)

src/aks-preview/azext_aks_preview/custom.py

@@ -718,6 +718,7 @@ def aks_create(
     ephemeral_disk_volume_type=None,
     ephemeral_disk_nvme_perf_tier=None,
     node_provisioning_mode=None,
+    node_provisioning_default_pools=None,
     ssh_access=CONST_SSH_ACCESS_LOCALUSER,
     # trusted launch
     enable_secure_boot=False,
@@ -933,6 +934,7 @@ def aks_update(
     ephemeral_disk_volume_type=None,
     ephemeral_disk_nvme_perf_tier=None,
     node_provisioning_mode=None,
+    node_provisioning_default_pools=None,
     cluster_service_load_balancer_health_probe_mode=None,
     if_match=None,
     if_none_match=None,

src/aks-preview/azext_aks_preview/managed_cluster_decorator.py

@@ -2749,6 +2749,11 @@ def get_node_provisioning_mode(self) -> Union[str, None]:
         """
         return self.raw_param.get("node_provisioning_mode")
 
+    def get_node_provisioning_default_pools(self) -> Union[str, None]:
+        """Obtain the value of node_provisioning_default_pools.
+        """
+        return self.raw_param.get("node_provisioning_default_pools")
+
     def get_ai_toolchain_operator(self, enable_validation: bool = False) -> bool:
         """Internal function to obtain the value of enable_ai_toolchain_operator.
 
@@ -3542,10 +3547,26 @@ def set_up_node_provisioning_mode(self, mc: ManagedCluster) -> ManagedCluster:
 
         return mc
 
+    def set_up_node_provisioning_default_pools(self, mc: ManagedCluster) -> ManagedCluster:
+        self._ensure_mc(mc)
+
+        default_pools = self.context.get_node_provisioning_default_pools()
+        if default_pools is not None:
+            if mc.node_provisioning_profile is None:
+                mc.node_provisioning_profile = (
+                    self.models.ManagedClusterNodeProvisioningProfile()  # pylint: disable=no-member
+                )
+
+            # set default_node_pools
+            mc.node_provisioning_profile.default_node_pools = default_pools
+
+        return mc
+
     def set_up_node_provisioning_profile(self, mc: ManagedCluster) -> ManagedCluster:
         self._ensure_mc(mc)
 
         mc = self.set_up_node_provisioning_mode(mc)
+        mc = self.set_up_node_provisioning_default_pools(mc)
 
         return mc
 
@@ -5060,6 +5081,21 @@ def update_node_provisioning_mode(self, mc: ManagedCluster) -> ManagedCluster:
 
         return mc
 
+    def update_node_provisioning_default_pools(self, mc: ManagedCluster) -> ManagedCluster:
+        self._ensure_mc(mc)
+
+        default_pools = self.context.get_node_provisioning_default_pools()
+        if default_pools is not None:
+            if mc.node_provisioning_profile is None:
+                mc.node_provisioning_profile = (
+                    self.models.ManagedClusterNodeProvisioningProfile()  # pylint: disable=no-member
+                )
+
+            # set default_node_pools
+            mc.node_provisioning_profile.default_node_pools = default_pools
+
+        return mc
+
     # pylint: disable=too-many-branches
     def update_app_routing_profile(self, mc: ManagedCluster) -> ManagedCluster:
         """Update app routing profile for the ManagedCluster object.
@@ -5222,6 +5258,7 @@ def update_node_provisioning_profile(self, mc: ManagedCluster) -> ManagedCluster
         self._ensure_mc(mc)
 
         mc = self.update_node_provisioning_mode(mc)
+        mc = self.update_node_provisioning_default_pools(mc)
 
         return mc