Add megapool

env_vars/prod.yml

@@ -23,6 +23,10 @@
 "builder_max_node_count": "10"
 "builder_max_surge": "3"
 
+"mega_min_node_count": "0"
+"mega_max_node_count": "10"
+"mega_max_surge": "3"
+
 "addons_to_add": "monitoring"
 "addons_to_remove": "kube-dashboard"
 "log_analytics_workspace_rg": "OMS-PROD-RG"

roles/aks-setup/defaults/main.yml

@@ -3,9 +3,12 @@ system_node_vm_size: "Standard_D4pds_v5"
 default_node_vm_size: "Standard_B2ms"
 worker_node_vm_size: "Standard_D4ads_v5"
 builder_node_vm_size: "Standard_D8ads_v5"
+mega_node_vm_size: "Standard_D8ads_v5"
 default_nodepool_name: "burstpool"
 worker_nodepool_name: "powerpool"
 builder_nodepool_name: "builderpool"
 system_nodepool_name: "systempool"
+mega_nodepool_name: "megapool"
 worker_taint: "powerPod=yes:NoSchedule"
 builder_taint: "builder=yes:NoSchedule"
+mega_taint: "megaPod=yes:NoSchedule"

roles/aks-setup/tasks/main.yml

@@ -85,3 +85,19 @@
     --node-taints {{builder_taint}}
   delegate_to: localhost
   ignore_errors: "{{ ansible_check_mode }}"
+
+- name: "Create nodepool {{mega_nodepool_name}}"
+  command: "az aks nodepool add \
+    --resource-group {{aks_resource_group_name}} \
+    --cluster-name {{aks_name}} \
+    --name {{mega_nodepool_name}} \
+    --min-count {{mega_min_node_count}} \
+    --max-count {{mega_max_node_count}} \
+    --max-surge {{mega_max_surge}} \
+    --node-vm-size {{mega_node_vm_size}} \
+    --os-sku azurelinux \
+    --node-osdisk-type Ephemeral \
+    --enable-cluster-autoscaler \
+    --node-taints {{mega_taint}}
+  delegate_to: localhost
+  ignore_errors: "{{ ansible_check_mode }}"