---
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- name: Define {{ machineset_group.name }} machinesets
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k8s:
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state: present
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definition: "{{ lookup('template', 'aws-machineset.yml.j2') | from_yaml }}"
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# Iterate through availability zones in reverse order as it makes the math
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# easier to scale zone "a" before "b" to match expected behavior.
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loop: "{{ aws_worker_availability_zones[::-1] }}"
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loop_control:
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label: "{{ machineset_name }}"
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loop_var: aws_worker_availability_zone
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index_var: loop_index
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vars:
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availability_zone: "{{ aws_worker_availability_zone.name }}"
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availability_zone_region: "{{ aws_worker_availability_zone.region }}"
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availability_zone_subnet: "{{ aws_worker_availability_zone.subnet }}"
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aws_instance_type: >-
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{{ machineset_group.aws_instance_type | default(default_aws_instance_type) }}
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aws_root_volume_size: >-
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{{ machineset_group.aws_root_volume_size | default(default_aws_root_volume_size) }}
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machineset_name: >-
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{{ [cluster_label, machineset_group.name, availability_zone] | join('-') }}
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machineset_group_node_labels: >-
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{{ machineset_group.node_labels
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| default({'node-role.kubernetes.io/' + machineset_group.role: ''}
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if machineset_group.role|default(False) else {})
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}}
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machineset_group_total_replicas: >-
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{{ machineset_group.total_replicas
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| default(machineset_group.total_replicas_min)
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| default(0)
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}}
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machineset_replicas: >-
|
{{ (
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(machineset_group_total_replicas|int + loop_index) / aws_worker_availability_zones|count
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) | int }}
|
|
- name: Define {{ machineset_group.name }} machineautoscalers
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k8s:
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state: present
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definition: "{{ lookup('template', 'machineautoscaler.yml.j2') | from_yaml }}"
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# Iterate through availability zones in reverse order as it makes the math
|
# easier to scale zone "a" before "b" to match expected behavior.
|
loop: "{{ aws_worker_availability_zones[::-1] }}"
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loop_control:
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label: "{{ machineset_name }}"
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loop_var: aws_worker_availability_zone
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index_var: loop_index
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vars:
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availability_zone: "{{ aws_worker_availability_zone.name }}"
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machineset_name: >-
|
{{ [cluster_label, machineset_group.name, availability_zone] | join('-') }}
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machineset_min_replicas: >-
|
{{ (
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(machineset_group.total_replicas_min|default(0) + loop_index) /
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aws_worker_availability_zones|count
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) | int }}
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machineset_max_replicas: >-
|
{{ (
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(machineset_group.total_replicas_max|default(100) + loop_index) /
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aws_worker_availability_zones|count
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) | int }}
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when: machineset_group.autoscale | default(False) | bool
|
