147 lines
5.6 KiB
YAML
147 lines
5.6 KiB
YAML
---
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- name: Stop if ansible version is too low
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assert:
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that:
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- ansible_version.full|version_compare('2.3.0', '>=')
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run_once: yes
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- name: Stop if non systemd OS type
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assert:
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that: ansible_service_mgr == "systemd"
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if unknown OS
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assert:
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that: ansible_distribution in ['RedHat', 'CentOS', 'Fedora', 'Ubuntu', 'Debian', 'CoreOS', 'Container Linux by CoreOS', 'openSUSE Leap', 'openSUSE Tumbleweed']
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if unknown network plugin
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assert:
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that: kube_network_plugin in ['calico', 'canal', 'flannel', 'weave', 'cloud', 'cilium', 'contiv']
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when: kube_network_plugin is defined
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if incompatible network plugin and cloudprovider
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assert:
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that: kube_network_plugin != 'calico'
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msg: "Azure and Calico are not compatible. See https://github.com/projectcalico/calicoctl/issues/949 for details."
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when: cloud_provider is defined and cloud_provider == 'azure'
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ignore_errors: "{{ ignore_assert_errors }}"
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# simplify this items-list when https://github.com/ansible/ansible/issues/15753 is resolved
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- name: "Stop if known booleans are set as strings (Use JSON format on CLI: -e \"{'key': true }\")"
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assert:
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that: item.value|type_debug == 'bool'
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msg: "{{item.value}} isn't a bool"
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run_once: yes
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with_items:
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- { name: kubeadm_enabled, value: "{{ kubeadm_enabled }}" }
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- { name: download_run_once, value: "{{ download_run_once }}" }
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- { name: deploy_netchecker, value: "{{ deploy_netchecker }}" }
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- { name: download_always_pull, value: "{{ download_always_pull }}" }
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- { name: helm_enabled, value: "{{ helm_enabled }}" }
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- { name: openstack_lbaas_enabled, value: "{{ openstack_lbaas_enabled }}" }
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if even number of etcd hosts
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assert:
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that: groups.etcd|length is not divisibleby 2
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if memory is too small for masters
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assert:
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that: ansible_memtotal_mb >= 1500
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ignore_errors: "{{ ignore_assert_errors }}"
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when: inventory_hostname in groups['kube-master']
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- name: Stop if memory is too small for nodes
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assert:
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that: ansible_memtotal_mb >= 1024
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ignore_errors: "{{ ignore_assert_errors }}"
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when: inventory_hostname in groups['kube-node']
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# This assertion will fail on the safe side: One can indeed schedule more pods
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# on a node than the CIDR-range has space for when additional pods use the host
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# network namespace. It is impossible to ascertain the number of such pods at
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# provisioning time, so to establish a guarantee, we factor these out.
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# NOTICE: the check blatantly ignores the inet6-case
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- name: Guarantee that enough network address space is available for all pods
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assert:
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that: "{{ kubelet_max_pods | default(110) <= (2 ** (32 - kube_network_node_prefix)) - 2 }}"
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msg: "Do not schedule more pods on a node than inet addresses are available."
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ignore_errors: "{{ ignore_assert_errors }}"
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when:
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- inventory_hostname in groups['kube-node']
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- kube_network_node_prefix is defined
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- name: Stop if ip var does not match local ips
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assert:
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that: ip in ansible_all_ipv4_addresses
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ignore_errors: "{{ ignore_assert_errors }}"
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when: ip is defined
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- name: Stop if access_ip is not pingable
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command: ping -c1 {{ access_ip }}
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when: access_ip is defined
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if RBAC is not enabled when dashboard is enabled
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assert:
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that: rbac_enabled
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when: dashboard_enabled
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if RBAC is not enabled when OCI cloud controller is enabled
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assert:
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that: rbac_enabled
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when: cloud_provider is defined and cloud_provider == "oci"
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if RBAC and anonymous-auth are not enabled when insecure port is disabled
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assert:
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that: rbac_enabled and kube_api_anonymous_auth
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when: kube_apiserver_insecure_port == 0
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if kernel version is too low
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assert:
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that: ansible_kernel.split('-')[0]|version_compare('4.8', '>=')
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when: kube_network_plugin == 'cilium'
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: Stop if bad hostname
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assert:
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that: inventory_hostname | match("[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$")
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msg: "Hostname must consist of lower case alphanumeric characters, '.' or '-', and must start and end with an alphanumeric character"
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ignore_errors: "{{ ignore_assert_errors }}"
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- name: check cloud_provider value
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assert:
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that: cloud_provider in ['generic', 'gce', 'aws', 'azure', 'openstack', 'vsphere', 'oci', 'external']
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msg: "If set the 'cloud_provider' var must be set either to 'generic', 'gce', 'aws', 'azure', 'openstack', 'vsphere', or external"
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when:
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- cloud_provider is defined
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ignore_errors: "{{ ignore_assert_errors }}"
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tags:
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- cloud-provider
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- facts
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- name: "Get current version of calico cluster version"
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shell: "{{ bin_dir }}/calicoctl version | grep 'Cluster Version' | awk '{ print $3}'"
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register: calico_version_on_server
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run_once: yes
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delegate_to: "{{ groups['kube-master'][0] }}"
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- name: "Check that calico version is enought for upgrade"
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assert:
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that:
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- calico_version_on_server.stdout|version_compare('v2.6.5', '>=')
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msg: "Your version of calico is not fresh enough for upgrade. Minimum version v2.6.5"
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when:
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- 'calico_version_on_server.stdout is defined'
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- 'calico_version_on_server.stdout != ""'
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- inventory_hostname == groups['kube-master'][0]
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run_once: yes
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