k8s-sig-cluster-lifecycleawskubesprayhigh-availabilityansiblekubernetes-clustergcekubernetesbare-metal
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82 lines
2.5 KiB
82 lines
2.5 KiB
---
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- include: pre_upgrade.yml
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- name: ensure dnsmasq.d directory exists
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file:
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path: /etc/dnsmasq.d
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state: directory
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tags: bootstrap-os
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- name: ensure dnsmasq.d-available directory exists
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file:
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path: /etc/dnsmasq.d-available
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state: directory
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tags: bootstrap-os
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- name: check system nameservers
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shell: awk '/^nameserver/ {print $NF}' /etc/resolv.conf
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changed_when: False
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register: system_nameservers
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- name: init system_and_upstream_dns_servers
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set_fact:
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system_and_upstream_dns_servers: "{{ upstream_dns_servers|default([]) }}"
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- name: combine upstream_dns_servers and system nameservers (only for docker_dns)
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set_fact:
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system_and_upstream_dns_servers: "{{ system_and_upstream_dns_servers | union(system_nameservers.stdout_lines) | unique }}"
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when: system_nameservers.stdout != "" and resolvconf_mode != 'host_resolvconf'
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- name: Write dnsmasq configuration
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template:
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src: 01-kube-dns.conf.j2
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dest: /etc/dnsmasq.d-available/01-kube-dns.conf
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mode: 0755
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backup: yes
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register: dnsmasq_config
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- name: Stat dnsmasq configuration
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stat:
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path: /etc/dnsmasq.d/01-kube-dns.conf
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register: sym
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- name: Move previous configuration
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command: mv /etc/dnsmasq.d/01-kube-dns.conf /etc/dnsmasq.d-available/01-kube-dns.conf.bak
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changed_when: False
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when: sym.stat.islnk is defined and sym.stat.islnk == False
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- name: Enable dnsmasq configuration
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file:
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src: /etc/dnsmasq.d-available/01-kube-dns.conf
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dest: /etc/dnsmasq.d/01-kube-dns.conf
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state: link
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- name: Create dnsmasq manifests
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template:
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src: "{{item.file}}"
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dest: "{{kube_config_dir}}/{{item.file}}"
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with_items:
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- {name: dnsmasq, file: dnsmasq-deploy.yml, type: deployment}
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- {name: dnsmasq, file: dnsmasq-svc.yml, type: svc}
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- {name: dnsmasq-autoscaler, file: dnsmasq-autoscaler.yml, type: deployment}
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register: manifests
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when: inventory_hostname == groups['kube-master'][0]
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- name: Start Resources
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kube:
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name: "{{item.item.name}}"
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namespace: "{{system_namespace}}"
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kubectl: "{{bin_dir}}/kubectl"
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resource: "{{item.item.type}}"
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filename: "{{kube_config_dir}}/{{item.item.file}}"
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state: "{{item.changed | ternary('latest','present') }}"
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with_items: "{{ manifests.results }}"
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when: inventory_hostname == groups['kube-master'][0]
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- name: Check for dnsmasq port (pulling image and running container)
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wait_for:
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host: "{{dns_server}}"
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port: 53
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timeout: 180
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when: inventory_hostname == groups['kube-node'][0] and groups['kube-node'][0] in ansible_play_hosts
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