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IaC/ansible/roles/k8s_network/tasks/main.yaml
2022-11-02 13:21:31 +13:00

123 lines
5.3 KiB
YAML

---
- name: ensure required python bindings are present
when: ansible_os_family == 'Archlinux'
become: true
community.general.pacman:
name: "{{ k8s_network_packages }}"
state: latest
update_cache: true
- name: create target directory for calico files
ansible.builtin.file:
path: "{{ ansible_search_path[0] }}/files/calico"
state: directory
mode: 0775
- name: download the calico operator manifest
ansible.builtin.uri:
url: https://raw.githubusercontent.com/projectcalico/calico/{{ calico_version }}/manifests/tigera-operator.yaml
dest: "{{ ansible_search_path[0] }}/files/calico/calico_operator_{{ calico_version }}.yaml"
creates: "{{ ansible_search_path[0] }}/files/calico/calico_operator_{{ calico_version }}.yaml"
mode: 0664
- name: download calico configuration
ansible.builtin.uri:
url: https://raw.githubusercontent.com/projectcalico/calico/{{ calico_version }}/manifests/custom-resources.yaml
dest: "{{ ansible_search_path[0] }}/files/calico/calico_resources_{{ calico_version }}.yaml"
creates: "{{ ansible_search_path[0] }}/files/calico/calico_resources_{{ calico_version }}.yaml"
mode: 0664
- name: read the default config into memory
ansible.builtin.slurp:
src: "{{ ansible_search_path[0] }}/files/calico/calico_resources_{{ calico_version }}.yaml"
register: calico_file_raw
- name: split and parse calico settings from the file data # to_yaml will reject the --- in the original manifest, hence data must be split.
ansible.builtin.set_fact:
calico_default_installation: "{{ (calico_file_raw['content'] | b64decode).split(\"---\")[0] | from_yaml }}"
calico_default_apiserver: "{{ (calico_file_raw['content'] | b64decode).split(\"---\")[1] | from_yaml }}"
- name: update calico installation settings to desired values
ansible.utils.update_fact:
updates:
- path: calico_default_installation.spec.calicoNetwork.ipPools[0].blockSize
value: "{{ k8s_network_blocksize }}"
- path: calico_default_installation.spec.calicoNetwork.ipPools[0].cidr
value: "{{ k8s_pod_cidr }}"
- path: calico_default_installation.spec.calicoNetwork.ipPools[0].encapsulation
value: "{{ k8s_network_encapsulation }}"
- path: calico_default_installation.spec.calicoNetwork.ipPools[0].natOutgoing
value: "{{ k8s_network_nat }}"
- path: calico_default_installation.spec.calicoNetwork.bgp
value: "{{ k8s_network_bgp }}"
- path: calico_default_installation.spec.calicoNetwork.linuxDataplane
value: "{{ k8s_network_dataplane }}"
- path: calico_default_installation.spec.calicoNetwork.hostPorts
value: "{{ k8s_network_hostports }}"
register: calico_updated_installation
- name: add config map for ebpf mode # https://projectcalico.docs.tigera.io/maintenance/ebpf/install
ansible.builtin.set_fact:
calico_configmap_ebpf:
kind: ConfigMap
apiVersion: v1
metadata:
name: kubernetes-services-endpoint
namespace: tigera-operator
data:
KUBERNETES_SERVICE_HOST: "{{ k8s_endpoint }}"
KUBERNETES_SERVICE_PORT: "{{ k8s_api_port }}"
- name: add bgp peer for gateway/router
ansible.builtin.set_fact:
calico_bgp_peer:
apiVersion: crd.projectcalico.org/v1
kind: BGPPeer
metadata:
name: "{{ k8s_network_bgp_peer_name }}"
spec:
peerIP: "{{ k8s_network_bgp_peer_address }}"
asNumber: "{{ k8s_network_bgp_peer_as }}"
- name: write out calico configmap for ebpf mode
ansible.builtin.copy:
content: "{{ calico_configmap_ebpf | to_nice_yaml }}" # Ansible registers the original fact name (with new vaule) inside the updated fact, hence the sub element
dest: "{{ ansible_search_path[0] }}/files/calico/calico_configmap_ebpf.yaml"
- name: write out calico installation definition
ansible.builtin.copy:
content: "{{ calico_updated_installation.calico_default_installation | to_nice_yaml }}" # Ansible registers the original fact name (with new vaule) inside the updated fact, hence the sub element
dest: "{{ ansible_search_path[0] }}/files/calico/calico_installation.yaml"
- name: write out calico apiserver definition
ansible.builtin.copy:
content: "{{ calico_default_apiserver | to_nice_yaml }}"
dest: "{{ ansible_search_path[0] }}/files/calico/calico_apiserver.yaml"
# TODO two api versions exist for BGP, one only becomes available after calico is online. Do they both work??
# crd.projectcalico.org/v1
# projectcalico.org/v3
- name: write out calico bgp peer definition
ansible.builtin.copy:
content: "{{ calico_bgp_peer | to_nice_yaml }}"
dest: "{{ ansible_search_path[0] }}/files/calico/calico_bgp_peer.yaml"
- name: install configmap for ebpf mode to cluster
kubernetes.core.k8s:
src: "{{ ansible_search_path[0] }}/files/calico/calico_configmap_ebpf.yaml"
state: present
- name: install calico operator to cluster
kubernetes.core.k8s:
src: "{{ ansible_search_path[0] }}/files/calico/calico_operator_{{ calico_version }}.yaml"
state: present
- name: install calico definitions to cluster
kubernetes.core.k8s:
state: present
src: "{{ item }}"
with_items:
- "{{ ansible_search_path[0] }}/files/calico/calico_installation.yaml"
- "{{ ansible_search_path[0] }}/files/calico/calico_apiserver.yaml"
- "{{ ansible_search_path[0] }}/files/calico/calico_bgp_peer.yaml"