c12s-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
- name: Flannel | Create flannel certs directory
file:
dest: "{{ flannel_cert_dir }}"
state: directory
mode: 0750
owner: root
group: root
- name: Flannel | Link etcd certificates for flanneld
file:
src: "{{ etcd_cert_dir }}/{{ item.s }}"
dest: "{{ flannel_cert_dir }}/{{ item.d }}"
state: hard
force: yes
with_items:
- {s: "ca.pem", d: "ca_cert.crt"}
- {s: "node-{{ inventory_hostname }}.pem", d: "cert.crt"}
- {s: "node-{{ inventory_hostname }}-key.pem", d: "key.pem"}
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- name: Flannel | Create flannel pod manifest
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template:
src: flannel-pod.yml
dest: "{{kube_manifest_dir}}/flannel-pod.manifest"
notify: Flannel | delete default docker bridge
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- 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
check_mode: no
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- 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
check_mode: no
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- set_fact:
flannel_mtu: "{{ flannel_mtu_output.stdout }}"
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- set_fact:
docker_options_file: >-
{%- if ansible_os_family == "Debian" -%}/etc/default/docker{%- elif ansible_os_family == "RedHat" -%}/etc/sysconfig/docker{%- endif -%}
tags: facts
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- set_fact:
docker_options_name: >-
{%- if ansible_os_family == "Debian" -%}DOCKER_OPTS{%- elif ansible_os_family == "RedHat" -%}other_args{%- endif -%}
tags: facts
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- set_fact:
docker_network_options: '"--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }}"'
- name: Flannel | Ensure path for docker network systemd drop-in
file:
path: "/etc/systemd/system/docker.service.d"
state: directory
owner: root
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- name: Flannel | Create docker network systemd drop-in
template:
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src: flannel-options.conf.j2
dest: "/etc/systemd/system/docker.service.d/flannel-options.conf"
notify:
- Flannel | restart docker