c12s-kubespray/roles/kubernetes/preinstall/tasks/verify-settings.yml

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---
- name: Stop if ansible version is too low
assert:
that:
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- ansible_version.full|version_compare('2.3.0', '>=')
run_once: yes
- name: Stop if non systemd OS type
assert:
that: ansible_service_mgr == "systemd"
ignore_errors: "{{ ignore_assert_errors }}"
- name: Stop if unknown OS
assert:
that: ansible_distribution in ['RedHat', 'CentOS', 'Fedora', 'Ubuntu', 'Debian', 'CoreOS', 'Container Linux by CoreOS']
ignore_errors: "{{ ignore_assert_errors }}"
- name: Stop if unknown network plugin
assert:
that: network_plugin in ['calico', 'canal', 'flannel', 'weave', 'cloud']
when: network_plugin is defined
ignore_errors: "{{ ignore_assert_errors }}"
- name: Stop if incompatible network plugin and cloudprovider
assert:
that: network_plugin != 'calico'
msg: "Azure and Calico are not compatible. See https://github.com/projectcalico/calicoctl/issues/949 for details."
when: cloud_provider is defined and cloud_provider == 'azure'
ignore_errors: "{{ ignore_assert_errors }}"
- name: "Stop if known booleans are set as strings (Use JSON format on CLI: -e \"{'key': true }\")"
assert:
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that: hostvars[inventory_hostname][item]|type_debug == 'bool'
msg: "{{hostvars[inventory_hostname][item]}} isn't a bool"
run_once: yes
with_items:
- kubeadm_enabled
- download_run_once
- deploy_netchecker
- download_always_pull
- efk_enabled
- helm_enabled
- openstack_lbaas_Enabled
- rbac_enabled
ignore_errors: "{{ ignore_assert_errors }}"
- name: Stop if even number of etcd hosts
assert:
that: groups.etcd|length is not divisibleby 2
ignore_errors: "{{ ignore_assert_errors }}"
- name: Stop if memory is too small for masters
assert:
that: ansible_memtotal_mb >= 1500
ignore_errors: "{{ ignore_assert_errors }}"
when: inventory_hostname in groups['kube-master']
- name: Stop if memory is too small for nodes
assert:
that: ansible_memtotal_mb >= 1024
ignore_errors: "{{ ignore_assert_errors }}"
when: inventory_hostname in groups['kube-node']
- name: Stop if ip var does not match local ips
assert:
that: ip in ansible_all_ipv4_addresses
ignore_errors: "{{ ignore_assert_errors }}"
when: ip is defined
- name: Stop if access_ip is not pingable
command: ping -c1 {{ access_ip }}
when: access_ip is defined
ignore_errors: "{{ ignore_assert_errors }}"