109391031b
When stopping at the check of "Stop if ip var does not match local ips"
the error message is like:
fatal: [single-k8s]: FAILED! => {
"assertion": "ip in ansible_all_ipv4_addresses",
"changed": false,
"evaluated_to": false,
"msg": "Assertion failed"
}
That doesn't contain actual IP addresses and it is difficult to understand
what was wrong. This adds the error message which contain actual IP addresses
to investigate the issue if happens.
284 lines
10 KiB
YAML
284 lines
10 KiB
YAML
---
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- name: Stop if either kube-master, kube-node or etcd is empty
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assert:
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that: groups.get('{{ item }}')
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with_items:
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- kube-master
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- kube-node
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- etcd
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run_once: true
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when: not ignore_assert_errors
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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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when: not ignore_assert_errors
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- name: Stop if unknown OS
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assert:
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that: ansible_os_family in ['RedHat', 'CentOS', 'Fedora', 'Ubuntu', 'Debian', 'Flatcar Container Linux by Kinvolk', 'Suse', 'ClearLinux', 'OracleLinux']
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msg: "{{ ansible_os_family }} is not a known OS"
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when: not 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', 'cni', 'contiv', 'ovn4nfv','kube-ovn', 'kube-router', 'macvlan']
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msg: "{{ kube_network_plugin }} is not supported"
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when:
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- kube_network_plugin is defined
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- not 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:
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- cloud_provider is defined and cloud_provider == 'azure'
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- not ignore_assert_errors
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- name: Stop if unsupported version of Kubernetes
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assert:
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that: kube_version is version(kube_version_min_required, '>=')
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msg: "The current release of Kubespray only support newer version of Kubernetes than {{ kube_version_min_required }} - You are trying to apply {{ kube_version }}"
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when: not 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: 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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when: not 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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when:
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- not ignore_assert_errors
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- inventory_hostname in groups['etcd']
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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 >= minimal_master_memory_mb
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when:
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- not ignore_assert_errors
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- 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 >= minimal_node_memory_mb
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when:
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- not ignore_assert_errors
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- 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)) | int <= (2 ** (32 - kube_network_node_prefix | int)) - 2 }}"
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msg: "Do not schedule more pods on a node than inet addresses are available."
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when:
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- not ignore_assert_errors
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- inventory_hostname in groups['k8s-cluster']
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- kube_network_node_prefix is defined
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- kube_network_plugin != 'calico'
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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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msg: "'{{ ansible_all_ipv4_addresses }}' do not contain '{{ ip }}'"
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when:
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- not ignore_assert_errors
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- 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:
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- access_ip is defined
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- not 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:
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- dashboard_enabled
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- not 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:
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- cloud_provider is defined and cloud_provider == "oci"
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- not 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:
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- kube_apiserver_insecure_port == 0 and inventory_hostname in groups['kube-master']
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- not 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] is version('4.9.17', '>=')
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when:
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- kube_network_plugin == 'cilium' or cilium_deploy_additionally | default(false) | bool
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- not ignore_assert_errors
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- name: Stop if bad hostname
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assert:
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that: inventory_hostname is 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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when: not 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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- not ignore_assert_errors
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tags:
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- cloud-provider
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- facts
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- name: Ensure minimum calico version
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assert:
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that: calico_version is version(calico_min_version_required, '>=')
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msg: "calico_version is too low. Minimum version {{ calico_min_version_required }}"
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run_once: yes
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when:
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- kube_network_plugin == 'calico'
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- name: Get current calico cluster version
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shell: "set -o pipefail && {{ bin_dir }}/calicoctl.sh version | grep 'Cluster Version:' | awk '{ print $3}'"
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args:
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executable: /bin/bash
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register: calico_version_on_server
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async: 10
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poll: 3
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run_once: yes
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changed_when: false
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failed_when: false
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when:
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- kube_network_plugin == 'calico'
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- name: Check that current calico version is enough for upgrade
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assert:
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that:
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- calico_version_on_server.stdout is version(calico_min_version_required, '>=')
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msg: "Your version of calico is not fresh enough for upgrade. Minimum version {{ calico_min_version_required }}"
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when:
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- kube_network_plugin == 'calico'
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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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- name: "Check that cluster_id is set if calico_rr enabled"
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assert:
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that:
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- cluster_id is defined
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msg: "A unique cluster_id is required if using calico_rr"
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when:
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- kube_network_plugin == 'calico'
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- peer_with_calico_rr
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- inventory_hostname == groups['kube-master'][0]
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run_once: yes
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- name: "Check that calico_rr nodes are in k8s-cluster group"
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assert:
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that:
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- '"k8s-cluster" in group_names'
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msg: "calico-rr must be a child group of k8s-cluster group"
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when:
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- kube_network_plugin == 'calico'
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- '"calico-rr" in group_names'
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- name: "Check that kube_service_addresses is a network range"
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assert:
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that:
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- kube_service_addresses | ipaddr('net')
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msg: "kube_service_addresses = '{{ kube_service_addresses }}' is not a valid network range"
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run_once: yes
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- name: "Check that kube_pods_subnet is a network range"
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assert:
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that:
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- kube_pods_subnet | ipaddr('net')
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msg: "kube_pods_subnet = '{{ kube_pods_subnet }}' is not a valid network range"
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run_once: yes
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- name: "Check that kube_pods_subnet does not collide with kube_service_addresses"
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assert:
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that:
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- kube_pods_subnet | ipaddr(kube_service_addresses) | string == 'None'
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msg: "kube_pods_subnet cannot be the same network segment as kube_service_addresses"
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run_once: yes
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- name: Stop if unknown dns mode
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assert:
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that: dns_mode in ['coredns', 'coredns_dual', 'manual', 'none']
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msg: "dns_mode can only be 'coredns', 'coredns_dual', 'manual' or 'none'"
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when: dns_mode is defined
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run_once: true
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- name: Stop if unknown kube proxy mode
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assert:
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that: kube_proxy_mode in ['iptables', 'ipvs']
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msg: "kube_proxy_mode can only be 'iptables' or 'ipvs'"
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when: kube_proxy_mode is defined
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run_once: true
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- name: Stop if vault is chose
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assert:
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that: cert_management != 'vault'
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msg: "Support for vault have been removed, please use 'script' or 'none'"
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when: cert_management is defined
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run_once: true
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- name: Stop if unknown cert_management
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assert:
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that: cert_management|d('script') in ['script', 'none']
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msg: "cert_management can only be 'script' or 'none'"
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run_once: true
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- name: Stop if unknown resolvconf_mode
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assert:
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that: resolvconf_mode in ['docker_dns', 'host_resolvconf', 'none']
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msg: "resolvconf_mode can only be 'docker_dns', 'host_resolvconf' or 'none'"
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when: resolvconf_mode is defined
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run_once: true
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- name: Stop if etcd deployment type is not host or docker
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assert:
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that: etcd_deployment_type in ['host', 'docker']
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msg: "The etcd deployment type, 'etcd_deployment_type', must be host or docker"
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run_once: true
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- name: Stop if download_localhost is enabled but download_run_once is not
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assert:
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that: download_run_once
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msg: "download_localhost requires enable download_run_once"
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when: download_localhost
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- name: Stop if download_localhost is enabled when container_manager not docker
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assert:
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that: container_manager == 'docker'
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msg: "download_run_once support only for docker. See https://github.com/containerd/containerd/issues/4075 for details"
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when: download_run_once or download_force_cache
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- name: Stop if download_localhost is enabled for Flatcar Container Linux
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assert:
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that: ansible_os_family not in ["Flatcar Container Linux by Kinvolk"]
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msg: "download_run_once not supported for Flatcar Container Linux"
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when: download_run_once or download_force_cache
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