c12s-kubespray/roles/kubernetes-apps/ansible/tasks/coredns.yml
Andreas Krüger 17f07e2613 Enable DNS AutoScaler for CoreDNS (#3707)
* Enable AutoScaler for CoreDNS

* Only use one template for dns autoscaler

* Rename a few variables for replicas and minimum pods

* Rename a few variables for replicas and minimum pods

* Remove replicas to make autoscale work

* Cleanup kubedns-autoscaler as it has been renamed
2018-11-15 01:28:03 -08:00

43 lines
1.8 KiB
YAML

---
- name: Kubernetes Apps | Lay Down CoreDNS Template
template:
src: "{{ item.file }}.j2"
dest: "{{ kube_config_dir }}/{{ item.file }}"
with_items:
- { name: coredns, file: coredns-config.yml, type: configmap }
- { name: coredns, file: coredns-sa.yml, type: sa }
- { name: coredns, file: coredns-deployment.yml, type: deployment }
- { name: coredns, file: coredns-svc.yml, type: svc }
- { name: coredns, file: coredns-clusterrole.yml, type: clusterrole }
- { name: coredns, file: coredns-clusterrolebinding.yml, type: clusterrolebinding }
- { name: dns-autoscaler, file: dns-autoscaler-sa.yml, type: sa }
- { name: dns-autoscaler, file: dns-autoscaler-clusterrole.yml, type: clusterrole }
- { name: dns-autoscaler, file: dns-autoscaler-clusterrolebinding.yml, type: clusterrolebinding }
- { name: dns-autoscaler, file: dns-autoscaler.yml, type: deployment }
register: coredns_manifests
vars:
clusterIP: "{{ skydns_server }}"
when:
- dns_mode in ['coredns', 'coredns_dual']
- inventory_hostname == groups['kube-master'][0]
tags:
- coredns
- name: Kubernetes Apps | Lay Down Secondary CoreDNS Template
template:
src: "{{ item.src }}.j2"
dest: "{{ kube_config_dir }}/{{ item.file }}"
with_items:
- { name: coredns, src: coredns-deployment.yml, file: coredns-deployment-secondary.yml, type: deployment }
- { name: coredns, src: coredns-svc.yml, file: coredns-svc-secondary.yml, type: svc }
- { name: dns-autoscaler, src: dns-autoscaler.yml, file: coredns-autoscaler-secondary.yml, type: deployment }
register: coredns_secondary_manifests
vars:
clusterIP: "{{ skydns_server_secondary }}"
coredns_ordinal_suffix: "-secondary"
when:
- dns_mode == 'coredns_dual'
- inventory_hostname == groups['kube-master'][0]
tags:
- coredns