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[AKS] az aks create --enable-hosted-system won't create default systempool #9331

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Merged
yanzhudd merged 2 commits into from
Oct 31, 2025
Merged

[AKS] az aks create --enable-hosted-system won't create default systempool #9331

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cc19670
[AKS] won't create default systempool
wenxuan0923 Oct 24, 2025
8ef2112
Ignore hobo test from live test
wenxuan0923 Oct 30, 2025
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4 changes: 4 additions & 0 deletions src/aks-preview/HISTORY.rst
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Expand Up @@ -11,6 +11,10 @@ To release a new version, please select a new version number (usually plus 1 to

Pending
+++++++

19.0.0b9
+++++++
* `az aks create --enable-hosted-system`: no longer provision default system node pool when creating an automatic cluster with hosted system enabled.
* `az aks machine update`: Add support for updating machine tags, node taints and node labels.
* Fix `az aks bastion` subshell defaulting to cmd on Windows when invoked from PowerShell by implementing grandparent process detection to identify the actual user shell.

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3 changes: 2 additions & 1 deletion src/aks-preview/azcli_aks_live_test/configs/ext_matrix_default.json
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Expand Up @@ -31,7 +31,8 @@
"test_aks_nodepool_add_with_workload_runtime"
],
"automatic, no quota": [
"test_aks_automatic_sku"
"test_aks_automatic_sku",
"test_aks_automatic_sku_with_hosted_system_enabled"
],
"maxBlockedNodes, missing feature registration & toggle": [
"test_aks_nodepool_max_blocked_nodes"
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5 changes: 5 additions & 0 deletions src/aks-preview/azext_aks_preview/managed_cluster_decorator.py
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Expand Up @@ -4710,6 +4710,10 @@ def set_up_enable_hosted_components(self, mc: ManagedCluster) -> ManagedCluster:
mc.hosted_system_profile = self.models.ManagedClusterHostedSystemProfile() # pylint: disable=no-member
mc.hosted_system_profile.enabled = True

# Remove default agent pool profiles when hosted system profile is enabled
if mc.agent_pool_profiles is not None:
mc.agent_pool_profiles = None

return mc

# pylint: disable=unused-argument
Expand Down Expand Up @@ -4779,6 +4783,7 @@ def construct_mc_profile_preview(self, bypass_restore_defaults: bool = False) ->
# set up user-defined scheduler configuration for kube-scheduler upstream
mc = self.set_up_upstream_kubescheduler_user_configuration(mc)
# set up enable hosted components
# enabling hosted components will remove the default agent pool profiles from the mc object
mc = self.set_up_enable_hosted_components(mc)

# validate the azure cli core version
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