c12s-kubespray/roles/network_plugin/calico/tasks/check.yml
Etienne Champetier c14388629a
calico: check if inventory settings match cluster settings (#6969)
If some settings were changed from the default but not commited into an inventory repo,
we risk breaking the cluster / cause downtime, so add some extra checks

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2021-01-04 09:07:56 -08:00

62 lines
2.1 KiB
YAML

---
- name: "Check vars defined correctly"
assert:
that:
- "calico_pool_name is defined"
- "calico_pool_name is match('^[a-zA-Z0-9-_\\\\.]{2,63}$')"
msg: "calico_pool_name contains invalid characters"
- name: "Check calico network backend defined correctly"
assert:
that:
- "calico_network_backend in ['bird', 'vxlan', 'none']"
msg: "calico network backend is not 'bird', 'vxlan' or 'none'"
when:
- calico_network_backend is defined
- name: "Check ipip and vxlan mode defined correctly"
assert:
that:
- "calico_ipip_mode in ['Always', 'CrossSubnet', 'Never']"
- "calico_vxlan_mode in ['Always', 'CrossSubnet', 'Never']"
msg: "calico inter host encapsulation mode is not 'Always', 'CrossSubnet' or 'Never'"
- name: "Check ipip and vxlan mode if simultaneously enabled"
assert:
that:
- "calico_vxlan_mode in ['Never']"
msg: "IP in IP and VXLAN mode is mutualy exclusive modes"
when:
- "calico_ipip_mode in ['Always', 'CrossSubnet']"
- name: "Check ipip and vxlan mode if simultaneously enabled"
assert:
that:
- "calico_ipip_mode in ['Never']"
msg: "IP in IP and VXLAN mode is mutualy exclusive modes"
when:
- "calico_vxlan_mode in ['Always', 'CrossSubnet']"
- name: "Get Calico {{ calico_pool_name }} configuration"
command: calicoctl.sh get ipPool {{ calico_pool_name }} -o json
failed_when: False
changed_when: False
register: calico
run_once: True
delegate_to: "{{ groups['kube-master'][0] }}"
- name: "Set calico_pool_conf"
set_fact:
calico_pool_conf: '{{ calico.stdout | from_json }}'
when: calico.rc == 0 and calico.stdout
- name: "Check if inventory match current cluster configuration"
assert:
that:
- calico_pool_conf.spec.blockSize == (calico_pool_blocksize | default(kube_network_node_prefix))
- calico_pool_conf.spec.cidr == (calico_pool_cidr | default(kube_pods_subnet))
- calico_pool_conf.spec.ipipMode == calico_ipip_mode
- calico_pool_conf.spec.vxlanMode == calico_vxlan_mode
msg: "Your inventory doesn't match the current cluster configuration"
when:
- calico_pool_conf is defined