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actualized for kubespray version 2.28.0

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This commit is contained in:
George Stykalin
2025-06-15 20:25:45 +03:00
parent c819d4f51f
commit c2df2abc78
366 changed files with 9939 additions and 40388 deletions
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91
kubespray/project/roles/kubernetes/preinstall/tasks/0020-set_facts.yml
View File

@@ -33,30 +33,12 @@
failed_when: false
register: resolvconf_stat
- name: Fetch resolvconf
when: resolvconf_stat.stat.exists is defined and resolvconf_stat.stat.exists
block:
- name: Get content of /etc/resolv.conf
slurp:
src: /etc/resolv.conf
register: resolvconf_slurp
- name: Get currently configured nameservers
set_fact:
configured_nameservers: "{{ resolvconf_slurp.content | b64decode | regex_findall('^nameserver\\s*(\\S*)', multiline=True) | ansible.utils.ipaddr }}"
when: resolvconf_slurp.content is defined
- name: Stop if /etc/resolv.conf not configured nameservers
assert:
that: configured_nameservers | length>0
fail_msg: "nameserver should not empty in /etc/resolv.conf"
when:
- not ignore_assert_errors
- configured_nameservers is defined
- not (upstream_dns_servers is defined and upstream_dns_servers | length > 0)
- not (disable_host_nameservers | default(false))
- dns_mode in ['coredns', 'coredns_dual']
# Used in vars/
- name: Fetch resolv.conf
when: resolvconf_stat.stat.exists
slurp:
src: /etc/resolv.conf
register: resolvconf_slurp
- name: NetworkManager | Check if host has NetworkManager
# noqa command-instead-of-module - Should we use service_facts for this?
@@ -77,19 +59,12 @@
- name: Set default dns if remove_default_searchdomains is false
set_fact:
default_searchdomains: ["default.svc.{{ dns_domain }}", "svc.{{ dns_domain }}"]
when: not remove_default_searchdomains | default() | bool or (remove_default_searchdomains | default() | bool and searchdomains | default([]) | length==0)
when: not remove_default_searchdomains | default() | bool or (remove_default_searchdomains | default() | bool and searchdomains | length == 0)
- name: Set dns facts
set_fact:
resolvconf: >-
{%- if resolvconf.rc == 0 and resolvconfd_path.stat.isdir is defined and resolvconfd_path.stat.isdir -%}true{%- else -%}false{%- endif -%}
bogus_domains: |-
{% for d in default_searchdomains | default([]) + searchdomains | default([]) -%}
{{ dns_domain }}.{{ d }}./{{ d }}.{{ d }}./com.{{ d }}./
{%- endfor %}
cloud_resolver: "{{ ['169.254.169.254'] if cloud_provider is defined and cloud_provider == 'gce' else
['169.254.169.253'] if cloud_provider is defined and cloud_provider == 'aws' else
[] }}"
- name: Check if kubelet is configured
stat:
@@ -154,58 +129,6 @@
dhclienthookfile: /etc/dhcp/dhclient-exit-hooks.d/zdnsupdate
when: ansible_os_family == "Debian"
- name: Generate search domains to resolvconf
set_fact:
searchentries:
search {{ (default_searchdomains | default([]) + searchdomains | default([])) | join(' ') }}
domainentry:
domain {{ dns_domain }}
supersede_search:
supersede domain-search "{{ (default_searchdomains | default([]) + searchdomains | default([])) | join('", "') }}";
supersede_domain:
supersede domain-name "{{ dns_domain }}";
- name: Pick coredns cluster IP or default resolver
set_fact:
coredns_server: |-
{%- if dns_mode == 'coredns' and not dns_early | bool -%}
{{ [skydns_server] }}
{%- elif dns_mode == 'coredns_dual' and not dns_early | bool -%}
{{ [skydns_server] + [skydns_server_secondary] }}
{%- elif dns_mode == 'manual' and not dns_early | bool -%}
{{ (manual_dns_server.split(',') | list) }}
{%- elif dns_mode == 'none' and not dns_early | bool -%}
[]
{%- elif dns_early | bool -%}
{{ upstream_dns_servers | default([]) }}
{%- endif -%}
# This task should only run after cluster/nodelocal DNS is up, otherwise all DNS lookups will timeout
- name: Generate nameservers for resolvconf, including cluster DNS
set_fact:
nameserverentries: |-
{{ (([nodelocaldns_ip] if enable_nodelocaldns else []) + (coredns_server | d([]) if not enable_nodelocaldns else []) + nameservers | d([]) + cloud_resolver | d([]) + (configured_nameservers | d([]) if not disable_host_nameservers | d() | bool else [])) | unique | join(',') }}
dhclient_supersede_nameserver_entries_list: |-
{{ (([nodelocaldns_ip] if enable_nodelocaldns else []) + (coredns_server | d([]) if not enable_nodelocaldns else []) + nameservers | d([]) + cloud_resolver | d([]) + (configured_nameservers | d([]) if not disable_host_nameservers | d() | bool else [])) | unique }}
when: not dns_early or dns_late
# This task should run instead of the above task when cluster/nodelocal DNS hasn't
# been deployed yet (like scale.yml/cluster.yml) or when it's down (reset.yml)
- name: Generate nameservers for resolvconf, not including cluster DNS
set_fact:
nameserverentries: |-
{{ (nameservers | d([]) + cloud_resolver | d([]) + configured_nameservers | d([])) | unique | join(',') }}
dhclient_supersede_nameserver_entries_list: |-
{{ (nameservers | d([]) + cloud_resolver | d([])) | unique }}
when: dns_early and not dns_late
- name: Generate supersede_nameserver from dhclient_supersede_nameserver_entries_list
set_fact:
supersede_nameserver: |-
{%- if dhclient_supersede_nameserver_entries_list | length > 0 -%}
supersede domain-name-servers {{ dhclient_supersede_nameserver_entries_list | join(', ') }};
{%- endif -%}
- name: Set etcd vars if using kubeadm mode
set_fact:
etcd_cert_dir: "{{ kube_cert_dir }}"

297
kubespray/project/roles/kubernetes/preinstall/tasks/0040-verify-settings.yml
View File

@@ -1,19 +1,18 @@
---
- name: Stop if kube_control_plane group is empty
- name: Stop if any host not in '--limit' does not have a fact cache
vars:
uncached_hosts: "{{ hostvars | dict2items | selectattr('value.ansible_default_ipv6', 'undefined') | selectattr('value.ansible_default_ipv4', 'undefined') | map(attribute='key') }}"
excluded_hosts: "{{ groups['k8s_cluster'] | difference(query('inventory_hostnames', ansible_limit)) }}"
assert:
that: groups.get( 'kube_control_plane' )
run_once: true
when: not ignore_assert_errors
- name: Stop if etcd group is empty in external etcd mode
assert:
that: groups.get('etcd')
fail_msg: "Group 'etcd' cannot be empty in external etcd mode"
that: uncached_hosts | intersect(excluded_hosts) == []
fail_msg: |
Kubespray does not support '--limit' without a populated facts cache for the excluded hosts.
Please run the facts.yml playbook first without '--limit'.
The following excluded hosts are not cached: {{ uncached_hosts | intersect(excluded_hosts) }}
run_once: true
when:
- ansible_limit is defined
- not ignore_assert_errors
- etcd_deployment_type != "kubeadm"
- name: Stop if non systemd OS type
assert:
that: ansible_service_mgr == "systemd"
@@ -25,54 +24,19 @@
msg: "{{ ansible_distribution }} is not a known OS"
when: not ignore_assert_errors
- name: Stop if unknown network plugin
assert:
that: kube_network_plugin in ['calico', 'flannel', 'weave', 'cloud', 'cilium', 'cni', 'kube-ovn', 'kube-router', 'macvlan', 'custom_cni']
msg: "{{ kube_network_plugin }} is not supported"
when:
- kube_network_plugin is defined
- not ignore_assert_errors
- name: Stop if unsupported version of Kubernetes
assert:
that: kube_version is version(kube_version_min_required, '>=')
msg: "The current release of Kubespray only support newer version of Kubernetes than {{ kube_version_min_required }} - You are trying to apply {{ kube_version }}"
when: not ignore_assert_errors
# simplify this items-list when https://github.com/ansible/ansible/issues/15753 is resolved
- name: "Stop if known booleans are set as strings (Use JSON format on CLI: -e \"{'key': true }\")"
assert:
that: item.value | type_debug == 'bool'
msg: "{{ item.value }} isn't a bool"
run_once: true
with_items:
- { name: download_run_once, value: "{{ download_run_once }}" }
- { name: deploy_netchecker, value: "{{ deploy_netchecker }}" }
- { name: download_always_pull, value: "{{ download_always_pull }}" }
- { name: helm_enabled, value: "{{ helm_enabled }}" }
- { name: openstack_lbaas_enabled, value: "{{ openstack_lbaas_enabled }}" }
when: not ignore_assert_errors
- name: Stop if even number of etcd hosts
assert:
that: groups.etcd | length is not divisibleby 2
when:
- not ignore_assert_errors
- inventory_hostname in groups.get('etcd',[])
- name: Stop if memory is too small for masters
- name: Stop if memory is too small for control plane nodes
assert:
that: ansible_memtotal_mb >= minimal_master_memory_mb
when:
- not ignore_assert_errors
- inventory_hostname in groups['kube_control_plane']
- ('kube_control_plane' in group_names)
- name: Stop if memory is too small for nodes
assert:
that: ansible_memtotal_mb >= minimal_node_memory_mb
when:
- not ignore_assert_errors
- inventory_hostname in groups['kube_node']
- ('kube_node' in group_names)
# This command will fail if cgroups are not enabled on the node.
# For reference: https://kubernetes.io/docs/concepts/architecture/cgroups/#check-cgroup-version
@@ -81,21 +45,6 @@
changed_when: false
when: not ignore_assert_errors
# This assertion will fail on the safe side: One can indeed schedule more pods
# on a node than the CIDR-range has space for when additional pods use the host
# network namespace. It is impossible to ascertain the number of such pods at
# provisioning time, so to establish a guarantee, we factor these out.
# NOTICE: the check blatantly ignores the inet6-case
- name: Guarantee that enough network address space is available for all pods
assert:
that: "{{ (kubelet_max_pods | default(110)) | int <= (2 ** (32 - kube_network_node_prefix | int)) - 2 }}"
msg: "Do not schedule more pods on a node than inet addresses are available."
when:
- not ignore_assert_errors
- inventory_hostname in groups['k8s_cluster']
- kube_network_node_prefix is defined
- kube_network_plugin != 'calico'
- name: Stop if ip var does not match local ips
assert:
that: (ip in ansible_all_ipv4_addresses) or (ip in ansible_all_ipv6_addresses)
@@ -104,50 +53,26 @@
- not ignore_assert_errors
- ip is defined
- name: Ensure ping package
package:
# noqa: jinja[spacing]
name: >-
{%- if ansible_os_family == 'Debian' -%}
iputils-ping
{%- else -%}
iputils
{%- endif -%}
state: present
when:
- access_ip is defined
- not ignore_assert_errors
- ping_access_ip
- not is_fedora_coreos
- not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
- name: Stop if access_ip is not pingable
command: ping -c1 {{ access_ip }}
command: ping -c1 {{ main_access_ip }}
when:
- access_ip is defined
- main_access_ip is defined
- not ignore_assert_errors
- ping_access_ip
changed_when: false
- name: Stop if RBAC is not enabled when dashboard is enabled
assert:
that: rbac_enabled
when:
- dashboard_enabled
- not ignore_assert_errors
- name: Stop if RBAC is not enabled when OCI cloud controller is enabled
assert:
that: rbac_enabled
when:
- cloud_provider is defined and cloud_provider == "oci"
- not ignore_assert_errors
- name: Stop if kernel version is too low
- name: Stop if kernel version is too low for cilium
assert:
that: ansible_kernel.split('-')[0] is version('4.9.17', '>=')
when:
- kube_network_plugin == 'cilium' or cilium_deploy_additionally | default(false) | bool
- kube_network_plugin == 'cilium' or cilium_deploy_additionally
- not ignore_assert_errors
- name: Stop if kernel version is too low for nftables
assert:
that: ansible_kernel.split('-')[0] is version('5.13', '>=')
when:
- kube_proxy_mode == 'nftables'
- not ignore_assert_errors
- name: Stop if bad hostname
@@ -156,179 +81,17 @@
msg: "Hostname must consist of lower case alphanumeric characters, '.' or '-', and must start and end with an alphanumeric character"
when: not ignore_assert_errors
- name: Check cloud_provider value
- name: Stop if /etc/resolv.conf has no configured nameservers
assert:
that: cloud_provider in ['gce', 'aws', 'azure', 'openstack', 'vsphere', 'oci', 'external']
msg: "If set the 'cloud_provider' var must be set either to 'gce', 'aws', 'azure', 'openstack', 'vsphere', 'oci' or 'external'"
that: configured_nameservers | length>0
fail_msg: "nameserver should not be empty in /etc/resolv.conf"
when:
- cloud_provider is defined
- not ignore_assert_errors
tags:
- cloud-provider
- facts
- name: "Check that kube_service_addresses is a network range"
assert:
that:
- kube_service_addresses | ansible.utils.ipaddr('net')
msg: "kube_service_addresses = '{{ kube_service_addresses }}' is not a valid network range"
run_once: true
- name: "Check that kube_pods_subnet is a network range"
assert:
that:
- kube_pods_subnet | ansible.utils.ipaddr('net')
msg: "kube_pods_subnet = '{{ kube_pods_subnet }}' is not a valid network range"
run_once: true
- name: "Check that kube_pods_subnet does not collide with kube_service_addresses"
assert:
that:
- kube_pods_subnet | ansible.utils.ipaddr(kube_service_addresses) | string == 'None'
msg: "kube_pods_subnet cannot be the same network segment as kube_service_addresses"
run_once: true
- name: "Check that IP range is enough for the nodes"
assert:
that:
- 2 ** (kube_network_node_prefix - kube_pods_subnet | ansible.utils.ipaddr('prefix')) >= groups['k8s_cluster'] | length
msg: "Not enough IPs are available for the desired node count."
when: kube_network_plugin != 'calico'
run_once: true
- name: Stop if unknown dns mode
assert:
that: dns_mode in ['coredns', 'coredns_dual', 'manual', 'none']
msg: "dns_mode can only be 'coredns', 'coredns_dual', 'manual' or 'none'"
when: dns_mode is defined
run_once: true
- name: Stop if unknown kube proxy mode
assert:
that: kube_proxy_mode in ['iptables', 'ipvs']
msg: "kube_proxy_mode can only be 'iptables' or 'ipvs'"
when: kube_proxy_mode is defined
run_once: true
- name: Stop if unknown cert_management
assert:
that: cert_management | d('script') in ['script', 'none']
msg: "cert_management can only be 'script' or 'none'"
run_once: true
- name: Stop if unknown resolvconf_mode
assert:
that: resolvconf_mode in ['docker_dns', 'host_resolvconf', 'none']
msg: "resolvconf_mode can only be 'docker_dns', 'host_resolvconf' or 'none'"
when: resolvconf_mode is defined
run_once: true
- name: Stop if etcd deployment type is not host, docker or kubeadm
assert:
that: etcd_deployment_type in ['host', 'docker', 'kubeadm']
msg: "The etcd deployment type, 'etcd_deployment_type', must be host, docker or kubeadm"
when:
- inventory_hostname in groups.get('etcd',[])
- name: Stop if container manager is not docker, crio or containerd
assert:
that: container_manager in ['docker', 'crio', 'containerd']
msg: "The container manager, 'container_manager', must be docker, crio or containerd"
run_once: true
- name: Stop if etcd deployment type is not host or kubeadm when container_manager != docker
assert:
that: etcd_deployment_type in ['host', 'kubeadm']
msg: "The etcd deployment type, 'etcd_deployment_type', must be host or kubeadm when container_manager is not docker"
when:
- inventory_hostname in groups.get('etcd',[])
- container_manager != 'docker'
# TODO: Clean this task up when we drop backward compatibility support for `etcd_kubeadm_enabled`
- name: Stop if etcd deployment type is not host or kubeadm when container_manager != docker and etcd_kubeadm_enabled is not defined
run_once: true
when: etcd_kubeadm_enabled is defined
block:
- name: Warn the user if they are still using `etcd_kubeadm_enabled`
debug:
msg: >
"WARNING! => `etcd_kubeadm_enabled` is deprecated and will be removed in a future release.
You can set `etcd_deployment_type` to `kubeadm` instead of setting `etcd_kubeadm_enabled` to `true`."
changed_when: true
- name: Stop if `etcd_kubeadm_enabled` is defined and `etcd_deployment_type` is not `kubeadm` or `host`
assert:
that: etcd_deployment_type == 'kubeadm'
msg: >
It is not possible to use `etcd_kubeadm_enabled` when `etcd_deployment_type` is set to {{ etcd_deployment_type }}.
Unset the `etcd_kubeadm_enabled` variable and set `etcd_deployment_type` to desired deployment type (`host`, `kubeadm`, `docker`) instead."
when: etcd_kubeadm_enabled
- name: Stop if download_localhost is enabled but download_run_once is not
assert:
that: download_run_once
msg: "download_localhost requires enable download_run_once"
when: download_localhost
- name: Stop if kata_containers_enabled is enabled when container_manager is docker
assert:
that: container_manager != 'docker'
msg: "kata_containers_enabled support only for containerd and crio-o. See https://github.com/kata-containers/documentation/blob/1.11.4/how-to/run-kata-with-k8s.md#install-a-cri-implementation for details"
when: kata_containers_enabled
- name: Stop if gvisor_enabled is enabled when container_manager is not containerd
assert:
that: container_manager == 'containerd'
msg: "gvisor_enabled support only compatible with containerd. See https://github.com/kubernetes-sigs/kubespray/issues/7650 for details"
when: gvisor_enabled
- upstream_dns_servers | length == 0
- not disable_host_nameservers
- dns_mode in ['coredns', 'coredns_dual']
- name: Stop if download_localhost is enabled for Flatcar Container Linux
assert:
that: ansible_os_family not in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
msg: "download_run_once not supported for Flatcar Container Linux"
when: download_run_once or download_force_cache
- name: Ensure minimum containerd version
assert:
that: containerd_version is version(containerd_min_version_required, '>=')
msg: "containerd_version is too low. Minimum version {{ containerd_min_version_required }}"
run_once: true
when:
- containerd_version not in ['latest', 'edge', 'stable']
- container_manager == 'containerd'
- name: Stop if using deprecated containerd_config variable
assert:
that: containerd_config is not defined
msg: "Variable containerd_config is now deprecated. See https://github.com/kubernetes-sigs/kubespray/blob/master/inventory/sample/group_vars/all/containerd.yml for details."
when:
- containerd_config is defined
- not ignore_assert_errors
- name: Stop if auto_renew_certificates is enabled when certificates are managed externally (kube_external_ca_mode is true)
assert:
that: not auto_renew_certificates
msg: "Variable auto_renew_certificates must be disabled when CA are managed externally: kube_external_ca_mode = true"
when:
- kube_external_ca_mode
- not ignore_assert_errors
- name: Stop if using deprecated comma separated list for admission plugins
assert:
that: "',' not in kube_apiserver_enable_admission_plugins[0]"
msg: "Comma-separated list for kube_apiserver_enable_admission_plugins is now deprecated, use separate list items for each plugin."
when:
- kube_apiserver_enable_admission_plugins is defined
- kube_apiserver_enable_admission_plugins | length > 0
- name: Verify that the packages list structure is valid
ansible.utils.validate:
criteria: "{{ lookup('file', 'pkgs-schema.json') }}"
data: "{{ pkgs }}"
- name: Verify that the packages list is sorted
vars:
pkgs_lists: "{{ pkgs.keys() | list }}"
assert:
that: "pkgs_lists | sort == pkgs_lists"
fail_msg: "pkgs is not sorted: {{ pkgs_lists | ansible.utils.fact_diff(pkgs_lists | sort) }}"

30
kubespray/project/roles/kubernetes/preinstall/tasks/0050-create_directories.yml
View File

@@ -5,17 +5,17 @@
state: directory
owner: "{{ kube_owner }}"
mode: "0755"
when: inventory_hostname in groups['k8s_cluster']
when: ('k8s_cluster' in group_names)
become: true
tags:
- kubelet
- k8s-secrets
- kube-controller-manager
- kube-apiserver
- bootstrap-os
- bootstrap_os
- apps
- network
- master
- master # master tag is deprecated and replaced by control-plane
- control-plane
- node
with_items:
- "{{ kube_config_dir }}"
@@ -29,17 +29,17 @@
state: directory
owner: root
mode: "0755"
when: inventory_hostname in groups['k8s_cluster']
when: ('k8s_cluster' in group_names)
become: true
tags:
- kubelet
- k8s-secrets
- kube-controller-manager
- kube-apiserver
- bootstrap-os
- bootstrap_os
- apps
- network
- master
- master # master tag is deprecated and replaced by control-plane
- control-plane
- node
with_items:
- "{{ kube_cert_dir }}"
@@ -53,7 +53,7 @@
get_mime: false
register: kube_cert_compat_dir_check
when:
- inventory_hostname in groups['k8s_cluster']
- ('k8s_cluster' in group_names)
- kube_cert_dir != kube_cert_compat_dir
- name: Create kubernetes kubeadm compat cert dir (kubernetes/kubeadm issue 1498)
@@ -63,7 +63,7 @@
state: link
mode: "0755"
when:
- inventory_hostname in groups['k8s_cluster']
- ('k8s_cluster' in group_names)
- kube_cert_dir != kube_cert_compat_dir
- not kube_cert_compat_dir_check.stat.exists
@@ -78,7 +78,7 @@
- "/opt/cni/bin"
when:
- kube_network_plugin in ["calico", "weave", "flannel", "cilium", "kube-ovn", "kube-router", "macvlan"]
- inventory_hostname in groups['k8s_cluster']
- ('k8s_cluster' in group_names)
tags:
- network
- cilium
@@ -86,7 +86,7 @@
- weave
- kube-ovn
- kube-router
- bootstrap-os
- bootstrap_os
- name: Create calico cni directories
file:
@@ -98,11 +98,11 @@
- "/var/lib/calico"
when:
- kube_network_plugin == "calico"
- inventory_hostname in groups['k8s_cluster']
- ('k8s_cluster' in group_names)
tags:
- network
- calico
- bootstrap-os
- bootstrap_os
- name: Create local volume provisioner directories
file:
@@ -113,7 +113,7 @@
mode: "{{ local_volume_provisioner_directory_mode }}"
with_items: "{{ local_volume_provisioner_storage_classes.keys() | list }}"
when:
- inventory_hostname in groups['k8s_cluster']
- ('k8s_cluster' in group_names)
- local_volume_provisioner_enabled
tags:
- persistent_volumes

7
kubespray/project/roles/kubernetes/preinstall/tasks/0060-resolvconf.yml
View File

@@ -7,10 +7,9 @@
blockinfile:
path: "{{ resolvconffile }}"
block: |-
{% for item in [domainentry] + [searchentries] -%}
{{ item }}
{% endfor %}
{% for item in nameserverentries.split(',') %}
domain {{ dns_domain }}
search {{ (default_searchdomains + searchdomains) | join(' ') }}
{% for item in nameserverentries %}
nameserver {{ item }}
{% endfor %}
options ndots:{{ ndots }} timeout:{{ dns_timeout | default('2') }} attempts:{{ dns_attempts | default('2') }}

13
kubespray/project/roles/kubernetes/preinstall/tasks/0063-networkmanager-dns.yml
View File

@@ -4,11 +4,12 @@
path: /etc/NetworkManager/conf.d/dns.conf
section: global-dns-domain-*
option: servers
value: "{{ nameserverentries }}"
value: "{{ nameserverentries | join(',') }}"
mode: '0600'
backup: true
backup: "{{ leave_etc_backup_files }}"
when:
- nameserverentries != "127.0.0.53" or systemd_resolved_enabled.rc != 0
- ('127.0.0.53' not in nameserverentries
or systemd_resolved_enabled.rc != 0)
notify: Preinstall | update resolvconf for networkmanager
- name: Set default dns if remove_default_searchdomains is false
@@ -21,9 +22,9 @@
path: /etc/NetworkManager/conf.d/dns.conf
section: global-dns
option: searches
value: "{{ (default_searchdomains | default([]) + searchdomains | default([])) | join(',') }}"
value: "{{ (default_searchdomains | default([]) + searchdomains) | join(',') }}"
mode: '0600'
backup: true
backup: "{{ leave_etc_backup_files }}"
notify: Preinstall | update resolvconf for networkmanager
- name: NetworkManager | Add DNS options to NM configuration
@@ -33,5 +34,5 @@
option: options
value: "ndots:{{ ndots }},timeout:{{ dns_timeout | default('2') }},attempts:{{ dns_attempts | default('2') }}"
mode: '0600'
backup: true
backup: "{{ leave_etc_backup_files }}"
notify: Preinstall | update resolvconf for networkmanager

87
kubespray/project/roles/kubernetes/preinstall/tasks/0070-system-packages.yml
View File

@@ -1,87 +0,0 @@
---
- name: Update package management cache (zypper) - SUSE
command: zypper -n --gpg-auto-import-keys ref
register: make_cache_output
until: make_cache_output is succeeded
retries: 4
delay: "{{ retry_stagger | random + 3 }}"
when:
- ansible_pkg_mgr == 'zypper'
tags: bootstrap-os
- name: Add debian 10 required repos
when:
- ansible_distribution == "Debian"
- ansible_distribution_version == "10"
tags:
- bootstrap-os
block:
- name: Add Debian Backports apt repo
apt_repository:
repo: "deb http://deb.debian.org/debian {{ ansible_distribution_release }}-backports main"
state: present
filename: debian-backports
- name: Set libseccomp2 pin priority to apt_preferences on Debian buster
copy:
content: |
Package: libseccomp2
Pin: release a={{ ansible_distribution_release }}-backports
Pin-Priority: 1001
dest: "/etc/apt/preferences.d/libseccomp2"
owner: "root"
mode: "0644"
- name: Update package management cache (APT)
apt:
update_cache: true
cache_valid_time: 3600
when: ansible_os_family == "Debian"
tags:
- bootstrap-os
- name: Remove legacy docker repo file
file:
path: "{{ yum_repo_dir }}/docker.repo"
state: absent
when:
- ansible_os_family == "RedHat"
- not is_fedora_coreos
- name: Install epel-release on RHEL derivatives
package:
name: epel-release
state: present
when:
- ansible_os_family == "RedHat"
- not is_fedora_coreos
- epel_enabled | bool
tags:
- bootstrap-os
- name: Install packages requirements
vars:
# The json_query for selecting packages name is split for readability
# see files/pkgs-schema.json for the structure of `pkgs`
# and the matching semantics
full_query: "[? value | (enabled == null || enabled) && ( {{ filters_os }} ) && ( {{ filters_groups }} ) ].key"
filters_groups: "groups | @ == null || [? contains(`{{ group_names }}`, @)]"
filters_os: "os == null || (os | ( {{ filters_family }} ) || ( {{ filters_distro }} ))"
dquote: !unsafe '"'
# necessary to workaround Ansible escaping
filters_distro: "distributions.{{ dquote }}{{ ansible_distribution }}{{ dquote }} |
@ == `{}` ||
contains(not_null(major_versions, `[]`), '{{ ansible_distribution_major_version }}') ||
contains(not_null(versions, `[]`), '{{ ansible_distribution_version }}') ||
contains(not_null(releases, `[]`), '{{ ansible_distribution_release }}')"
filters_family: "families && contains(families, '{{ ansible_os_family }}')"
package:
name: "{{ pkgs | dict2items | to_json|from_json | community.general.json_query(full_query) }}"
state: present
register: pkgs_task_result
until: pkgs_task_result is succeeded
retries: "{{ pkg_install_retries }}"
delay: "{{ retry_stagger | random + 3 }}"
when: not (ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"] or is_fedora_coreos)
tags:
- bootstrap-os

13
kubespray/project/roles/kubernetes/preinstall/tasks/0080-system-configurations.yml
View File

@@ -20,7 +20,7 @@
- "'Amazon' not in ansible_distribution"
- slc.stat.exists
tags:
- bootstrap-os
- bootstrap_os
- name: Disable IPv6 DNS lookup
lineinfile:
@@ -28,13 +28,13 @@
line: "precedence ::ffff:0:0/96 100"
state: present
create: true
backup: true
backup: "{{ leave_etc_backup_files }}"
mode: "0644"
when:
- disable_ipv6_dns
- not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
tags:
- bootstrap-os
- bootstrap_os
- name: Clean previously used sysctl file locations
file:
@@ -52,7 +52,7 @@
get_mime: false
register: sysctl_file_stat
tags:
- bootstrap-os
- bootstrap_os
- name: Change sysctl file path to link source if linked
set_fact:
@@ -61,7 +61,7 @@
- sysctl_file_stat.stat.islnk is defined
- sysctl_file_stat.stat.islnk
tags:
- bootstrap-os
- bootstrap_os
- name: Make sure sysctl file path folder exists
file:
@@ -76,6 +76,7 @@
value: "1"
state: present
reload: true
when: ipv4_stack | bool
- name: Enable ipv6 forwarding
ansible.posix.sysctl:
@@ -84,7 +85,7 @@
value: "1"
state: present
reload: true
when: enable_dual_stack_networks | bool
when: ipv6_stack | bool
- name: Check if we need to set fs.may_detach_mounts
stat:

16
kubespray/project/roles/kubernetes/preinstall/tasks/0081-ntp-configurations.yml
View File

@@ -1,12 +1,4 @@
---
- name: Ensure NTP package
package:
name:
- "{{ ntp_package }}"
state: present
when:
- not is_fedora_coreos
- not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
- name: Disable systemd-timesyncd
service:
@@ -21,6 +13,8 @@
ntp_config_file: >-
{% if ntp_package == "ntp" -%}
/etc/ntp.conf
{%- elif ntp_package == "ntpsec" -%}
/etc/ntpsec/ntp.conf
{%- elif ansible_os_family in ['RedHat', 'Suse'] -%}
/etc/chrony.conf
{%- else -%}
@@ -56,10 +50,10 @@
# noqa: jinja[spacing]
command: >-
timeout -k 60s 60s
{% if ntp_package == "ntp" -%}
ntpd -gq
{%- else -%}
{% if ntp_package == "chrony" -%}
chronyd -q
{%- else -%}
ntpd -gq
{%- endif -%}
when:
- ntp_force_sync_immediately

15
kubespray/project/roles/kubernetes/preinstall/tasks/0090-etchosts.yml
View File

@@ -2,11 +2,10 @@
- name: Hosts | create hosts list from inventory
set_fact:
etc_hosts_inventory_block: |-
{% for item in (groups['k8s_cluster'] + groups['etcd'] | default([]) + groups['calico_rr'] | default([])) | unique -%}
{% if 'access_ip' in hostvars[item] or 'ip' in hostvars[item] or 'ansible_default_ipv4' in hostvars[item] -%}
{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(hostvars[item]['ansible_default_ipv4']['address'])) }}
{%- if ('ansible_hostname' in hostvars[item] and item != hostvars[item]['ansible_hostname']) %} {{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }} {{ hostvars[item]['ansible_hostname'] }} {% else %} {{ item }}.{{ dns_domain }} {{ item }} {% endif %}
{% for item in (groups['k8s_cluster'] + groups['etcd'] | default([]) + groups['calico_rr'] | default([])) | unique %}
{{ hostvars[item]['main_access_ip'] }} {{ hostvars[item]['ansible_hostname'] | default(item) }}.{{ dns_domain }} {{ hostvars[item]['ansible_hostname'] | default(item) }}
{% if ipv4_stack and ipv6_stack %}
{{ hostvars[item]['access_ip6'] | default(hostvars[item]['ip6'] | default(hostvars[item]['ansible_default_ipv6']['address'])) }} {{ hostvars[item]['ansible_hostname'] | default(item) }}.{{ dns_domain }} {{ hostvars[item]['ansible_hostname'] | default(item) }}
{% endif %}
{% endfor %}
delegate_to: localhost
@@ -20,7 +19,7 @@
block: "{{ hostvars.localhost.etc_hosts_inventory_block }}"
state: "{{ 'present' if populate_inventory_to_hosts_file else 'absent' }}"
create: true
backup: true
backup: "{{ leave_etc_backup_files }}"
unsafe_writes: true
marker: "# Ansible inventory hosts {mark}"
mode: "0644"
@@ -31,7 +30,7 @@
regexp: ".*{{ apiserver_loadbalancer_domain_name }}$"
line: "{{ loadbalancer_apiserver.address }} {{ apiserver_loadbalancer_domain_name }}"
state: present
backup: true
backup: "{{ leave_etc_backup_files }}"
unsafe_writes: true
when:
- populate_loadbalancer_apiserver_to_hosts_file
@@ -69,7 +68,7 @@
line: "{{ item.key }} {{ item.value | join(' ') }}"
regexp: "^{{ item.key }}.*$"
state: present
backup: true
backup: "{{ leave_etc_backup_files }}"
unsafe_writes: true
loop: "{{ etc_hosts_localhosts_dict_target | default({}) | dict2items }}"

11
kubespray/project/roles/kubernetes/preinstall/tasks/0100-dhclient-hooks.yml
View File

@@ -1,15 +1,20 @@
---
- name: Configure dhclient to supersede search/domain/nameservers
blockinfile:
# 1 is the 2nd item of a tuple in items()
block: |-
{% for item in [supersede_domain, supersede_search, supersede_nameserver] | reject('equalto', '') -%}
{{ item }}
{% for key, val in dhclient_supersede.items() | rejectattr(1, '==', []) -%}
{% if key == "domain-name-servers" -%}
supersede {{ key }} {{ val | join(',') }};
{% else -%}
supersede {{ key }} "{{ val | join('","') }}";
{% endif -%}
{% endfor %}
path: "{{ dhclientconffile }}"
create: true
state: present
insertbefore: BOF
backup: true
backup: "{{ leave_etc_backup_files }}"
marker: "# Ansible entries {mark}"
mode: "0644"
notify: Preinstall | propagate resolvconf to k8s components

2
kubespray/project/roles/kubernetes/preinstall/tasks/0110-dhclient-hooks-undo.yml
View File

@@ -7,7 +7,7 @@
blockinfile:
path: "{{ dhclientconffile }}"
state: absent
backup: true
backup: "{{ leave_etc_backup_files }}"
marker: "# Ansible entries {mark}"
notify: Preinstall | propagate resolvconf to k8s components

28
kubespray/project/roles/kubernetes/preinstall/tasks/main.yml
View File

@@ -32,7 +32,7 @@
- systemd_resolved_enabled.rc != 0
- networkmanager_enabled.rc != 0
tags:
- bootstrap-os
- bootstrap_os
- resolvconf
- name: Apply systemd-resolved settings
@@ -42,7 +42,7 @@
- resolvconf_mode == 'host_resolvconf'
- systemd_resolved_enabled.rc == 0
tags:
- bootstrap-os
- bootstrap_os
- resolvconf
- name: Apply networkmanager unmanaged devices settings
@@ -50,7 +50,7 @@
when:
- networkmanager_enabled.rc == 0
tags:
- bootstrap-os
- bootstrap_os
- name: Apply networkmanager DNS settings
import_tasks: 0063-networkmanager-dns.yml
@@ -59,23 +59,15 @@
- resolvconf_mode == 'host_resolvconf'
- networkmanager_enabled.rc == 0
tags:
- bootstrap-os
- bootstrap_os
- resolvconf
- name: Install required system packages
import_tasks: 0070-system-packages.yml
when:
- not dns_late
tags:
- bootstrap-os
- system-packages
- name: Apply system configurations
import_tasks: 0080-system-configurations.yml
when:
- not dns_late
tags:
- bootstrap-os
- bootstrap_os
- name: Configure NTP
import_tasks: 0081-ntp-configurations.yml
@@ -83,12 +75,12 @@
- not dns_late
- ntp_enabled
tags:
- bootstrap-os
- bootstrap_os
- name: Configure /etc/hosts
import_tasks: 0090-etchosts.yml
tags:
- bootstrap-os
- bootstrap_os
- etchosts
- name: Configure dhclient
@@ -99,7 +91,7 @@
- dhclientconffile is defined
- not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
tags:
- bootstrap-os
- bootstrap_os
- resolvconf
- name: Configure dhclient dhclient hooks
@@ -110,7 +102,7 @@
- dhclientconffile is defined
- not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
tags:
- bootstrap-os
- bootstrap_os
- resolvconf
# We need to make sure the network is restarted early enough so that docker can later pick up the correct system
@@ -128,7 +120,7 @@
when:
- not dns_late
tags:
- bootstrap-os
- bootstrap_os
- name: Run calico checks
include_role: