kubespray/roles/network_plugin/flannel/tasks/main.yml

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---
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- name: Flannel | Set Flannel etcd configuration
command: |-
{{ bin_dir }}/etcdctl --peers={{ etcd_access_addresses }} \
set /{{ cluster_name }}/network/config \
'{ "Network": "{{ kube_pods_subnet }}", "SubnetLen": {{ kube_network_node_prefix }}, "Backend": { "Type": "{{ flannel_backend_type }}" } }'
delegate_to: "{{groups['etcd'][0]}}"
run_once: true
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- name: Flannel | Create flannel pod manifest
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template:
src: flannel-pod.yml
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dest: /etc/kubernetes/manifests/flannel-pod.manifest
notify: delete default docker bridge
- name: Flannel | Wait for flannel subnet.env file presence
wait_for:
path: /run/flannel/subnet.env
delay: 5
timeout: 600
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- name: Flannel | Get flannel_subnet from subnet.env
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shell: cat /run/flannel/subnet.env | awk -F'=' '$1 == "FLANNEL_SUBNET" {print $2}'
register: flannel_subnet_output
changed_when: false
- set_fact:
flannel_subnet: "{{ flannel_subnet_output.stdout }}"
- name: Flannel | Get flannel_mtu from subnet.env
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shell: cat /run/flannel/subnet.env | awk -F'=' '$1 == "FLANNEL_MTU" {print $2}'
register: flannel_mtu_output
changed_when: false
- set_fact:
flannel_mtu: "{{ flannel_mtu_output.stdout }}"
- name: Flannel | Set docker daemon options
template:
src: docker
dest: "/etc/default/docker"
owner: root
group: root
mode: 0644
notify:
- restart docker
when: ansible_os_family != "CoreOS"
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- name: Flannel | Create docker service path for CoreOS
file: path=/etc/systemd/system/docker.service.d state=directory
when: ansible_os_family == "CoreOS"
- name: Flannel | Create docker dropin for CoreOS
template:
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src: docker-systemd
dest: "/etc/systemd/system/docker.service.d/flannel-options.conf"
notify:
- restart docker
when: ansible_os_family == "CoreOS"
- meta: flush_handlers