* Use K8s 1.14 and add kubeadm experimental control plane mode
This reverts commit d39c273d96
.
* Cleanup kubeadm setup run on first master
* pin kubeadm_certificate_key in test
* Remove kubelet autolabel of kube-node, add symlink for pki dir
Change-Id: Id5e74dd667c60675dbfe4193b0bc9fb44380e1ca
503 lines
20 KiB
YAML
503 lines
20 KiB
YAML
---
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# Use proxycommand if bastion host is in group all
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# This change obseletes editing ansible.cfg file depending on bastion existance
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ansible_ssh_common_args: "{% if 'bastion' in groups['all'] %} -o ProxyCommand='ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -W %h:%p {{ hostvars['bastion']['ansible_user'] }}@{{ hostvars['bastion']['ansible_host'] }} {% if ansible_ssh_private_key_file is defined %}-i {{ ansible_ssh_private_key_file }}{% endif %} ' {% endif %}"
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kube_api_anonymous_auth: true
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# Default value, but will be set to true automatically if detected
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is_atomic: false
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# optional disable the swap
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disable_swap: true
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## Change this to use another Kubernetes version, e.g. a current beta release
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kube_version: v1.14.0
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## Kube Proxy mode One of ['iptables','ipvs']
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kube_proxy_mode: ipvs
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## Delete kube-proxy daemonset if kube_proxy_remove set, e.g. kube_network_plugin providing proxy services
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kube_proxy_remove: "{{ (kube_network_plugin == 'kube-router') and (kube_router_run_service_proxy is defined and kube_router_run_service_proxy)| bool }}"
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# A string slice of values which specify the addresses to use for NodePorts.
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# Values may be valid IP blocks (e.g. 1.2.3.0/24, 1.2.3.4/32).
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# The default empty string slice ([]) means to use all local addresses.
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# kube_proxy_nodeport_addresses_cidr is retained for legacy config
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kube_proxy_nodeport_addresses: >-
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{%- if kube_proxy_nodeport_addresses_cidr is defined -%}
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[{{ kube_proxy_nodeport_addresses_cidr }}]
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{%- else -%}
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[]
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{%- endif -%}
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# Set to true to allow pre-checks to fail and continue deployment
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ignore_assert_errors: false
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# nginx-proxy configure
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nginx_config_dir: "/etc/nginx"
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# haproxy configure
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haproxy_config_dir: "/etc/haproxy"
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# Directory where the binaries will be installed
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bin_dir: /usr/local/bin
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docker_bin_dir: /usr/bin
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etcd_data_dir: /var/lib/etcd
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# Where the binaries will be downloaded.
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# Note: ensure that you've enough disk space (about 1G)
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local_release_dir: "/tmp/releases"
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# Random shifts for retrying failed ops like pushing/downloading
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retry_stagger: 5
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# Install epel repo on Centos/RHEL
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epel_enabled: false
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# DNS configuration.
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# Kubernetes cluster name, also will be used as DNS domain
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cluster_name: cluster.local
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# Subdomains of DNS domain to be resolved via /etc/resolv.conf for hostnet pods
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ndots: 2
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# Can be coredns, coredns_dual, manual, or none
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dns_mode: coredns
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# Enable nodelocal dns cache
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enable_nodelocaldns: true
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nodelocaldns_ip: 169.254.25.10
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# Should be set to a cluster IP if using a custom cluster DNS
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manual_dns_server: ""
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# Can be docker_dns, host_resolvconf or none
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resolvconf_mode: docker_dns
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# Deploy netchecker app to verify DNS resolve as an HTTP service
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deploy_netchecker: false
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# Ip address of the kubernetes DNS service (called skydns for historical reasons)
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skydns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(3)|ipaddr('address') }}"
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skydns_server_secondary: "{{ kube_service_addresses|ipaddr('net')|ipaddr(4)|ipaddr('address') }}"
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dns_domain: "{{ cluster_name }}"
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kube_dns_servers:
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coredns: ["{{skydns_server}}"]
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coredns_dual: "{{[skydns_server] + [ skydns_server_secondary ]}}"
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manual: ["{{manual_dns_server}}"]
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dns_servers: "{{kube_dns_servers[dns_mode]}}"
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# Kubernetes configuration dirs and system namespace.
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# Those are where all the additional config stuff goes
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# the kubernetes normally puts in /srv/kubernetes.
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# This puts them in a sane location and namespace.
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# Editing those values will almost surely break something.
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kube_config_dir: /etc/kubernetes
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kube_script_dir: "{{ bin_dir }}/kubernetes-scripts"
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kube_manifest_dir: "{{ kube_config_dir }}/manifests"
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# This is where all the cert scripts and certs will be located
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kube_cert_dir: "{{ kube_config_dir }}/ssl"
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# compatibility directory for kubeadm
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kube_cert_compat_dir: "/etc/kubernetes/pki"
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# This is where all of the bearer tokens will be stored
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kube_token_dir: "{{ kube_config_dir }}/tokens"
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# This is where to save basic auth file
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kube_users_dir: "{{ kube_config_dir }}/users"
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# This is the group that the cert creation scripts chgrp the
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# cert files to. Not really changeable...
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kube_cert_group: kube-cert
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# Cluster Loglevel configuration
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kube_log_level: 2
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# Users to create for basic auth in Kubernetes API via HTTP
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kube_api_pwd: "changeme"
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kube_users:
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kube:
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pass: "{{kube_api_pwd}}"
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role: admin
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# Choose network plugin (cilium, calico, weave or flannel)
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# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
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kube_network_plugin: calico
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kube_network_plugin_multus: false
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# Determines if calico-rr group exists
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peer_with_calico_rr: "{{ 'calico-rr' in groups and groups['calico-rr']|length > 0 }}"
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# Set to false to disable calico-upgrade
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calico_upgrade_enabled: true
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# Kubernetes internal network for services, unused block of space.
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kube_service_addresses: 10.233.0.0/18
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# internal network. When used, it will assign IP
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# addresses from this range to individual pods.
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# This network must be unused in your network infrastructure!
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kube_pods_subnet: 10.233.64.0/18
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# internal network node size allocation (optional). This is the size allocated
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# to each node on your network. With these defaults you should have
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# room for 64 nodes with 254 pods per node.
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# Example: Up to 256 nodes, 100 pods per node (/16 network):
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# - kube_service_addresses: 10.233.0.0/17
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# - kube_pods_subnet: 10.233.128.0/17
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# - kube_network_node_prefix: 25
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# Example: Up to 4096 nodes, 100 pods per node (/12 network):
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# - kube_service_addresses: 10.192.0.0/13
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# - kube_pods_subnet: 10.200.0.0/13
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# - kube_network_node_prefix: 25
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kube_network_node_prefix: 24
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# The virtual cluster IP, real host IPs and ports the API Server will be
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# listening on.
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# NOTE: loadbalancer_apiserver_localhost somewhat alters the final API enpdoint
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# access IP value (automatically evaluated below)
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kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
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kube_apiserver_bind_address: 0.0.0.0
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# https
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kube_apiserver_port: 6443
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# http
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kube_apiserver_insecure_bind_address: 127.0.0.1
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kube_apiserver_insecure_port: 0
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# If non-empty, will use this string as identification instead of the actual hostname
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kube_override_hostname: >-
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{%- if cloud_provider is defined and cloud_provider in [ 'aws' ] -%}
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{%- else -%}
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{{ inventory_hostname }}
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{%- endif -%}
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# dynamic kubelet configuration
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dynamic_kubelet_configuration: false
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# define kubelet config dir for dynamic kubelet
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# kubelet_config_dir:
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default_kubelet_config_dir: "{{ kube_config_dir }}/dynamic_kubelet_dir"
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dynamic_kubelet_configuration_dir: "{{ kubelet_config_dir | default(default_kubelet_config_dir) }}"
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# Aggregator
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kube_api_aggregator_routing: false
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# Profiling
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kube_profiling: false
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# Container for runtime
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container_manager: docker
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## Uncomment this if you want to force overlay/overlay2 as docker storage driver
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## Please note that overlay2 is only supported on newer kernels
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# docker_storage_options: -s overlay2
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## Enable docker_container_storage_setup, it will configure devicemapper driver on Centos7 or RedHat7.
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docker_container_storage_setup: false
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## It must be define a disk path for docker_container_storage_setup_devs.
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## Otherwise docker-storage-setup will be executed incorrectly.
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# docker_container_storage_setup_devs: /dev/vdb
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## Uncomment this if you have more than 3 nameservers, then we'll only use the first 3.
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docker_dns_servers_strict: false
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# Path used to store Docker data
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docker_daemon_graph: "/var/lib/docker"
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## Used to set docker daemon iptables options to true
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docker_iptables_enabled: "false"
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# Docker log options
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# Rotate container stderr/stdout logs at 50m and keep last 5
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docker_log_opts: "--log-opt max-size=50m --log-opt max-file=5"
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## An obvious use case is allowing insecure-registry access to self hosted registries.
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## Can be ipaddress and domain_name.
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## example define 172.19.16.11 or mirror.registry.io
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# docker_insecure_registries:
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# - mirror.registry.io
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# - 172.19.16.11
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## Add other registry,example China registry mirror.
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# docker_registry_mirrors:
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# - https://registry.docker-cn.com
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# - https://mirror.aliyuncs.com
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## If non-empty will override default system MounFlags value.
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## This option takes a mount propagation flag: shared, slave
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## or private, which control whether mounts in the file system
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## namespace set up for docker will receive or propagate mounts
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## and unmounts. Leave empty for system default
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# docker_mount_flags:
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## A string of extra options to pass to the docker daemon.
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## This string should be exactly as you wish it to appear.
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docker_options: >-
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{%- if docker_insecure_registries is defined %}
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{{ docker_insecure_registries | map('regex_replace', '^(.*)$', '--insecure-registry=\1' ) | list | join(' ') }}
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{%- endif %}
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{% if docker_registry_mirrors is defined %}
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{{ docker_registry_mirrors | map('regex_replace', '^(.*)$', '--registry-mirror=\1' ) | list | join(' ') }}
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{%- endif %}
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{%- if docker_version != "latest" and docker_version is version('17.05', '<') %}
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--graph={{ docker_daemon_graph }} {% if ansible_os_family not in ["openSUSE Leap", "openSUSE Tumbleweed", "Suse"] %}{{ docker_log_opts }}{% endif %}
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{%- else %}
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--data-root={{ docker_daemon_graph }} {% if ansible_os_family not in ["openSUSE Leap", "openSUSE Tumbleweed", "Suse"] %}{{ docker_log_opts }}{% endif %}
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{%- endif %}
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{%- if ansible_architecture == "aarch64" and ansible_os_family == "RedHat" %}
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--add-runtime docker-runc=/usr/libexec/docker/docker-runc-current
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--default-runtime=docker-runc --exec-opt native.cgroupdriver=systemd
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--userland-proxy-path=/usr/libexec/docker/docker-proxy-current --signature-verification=false
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{%- endif -%}
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# Settings for containerized control plane (etcd/kubelet/secrets)
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etcd_deployment_type: docker
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cert_management: script
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helm_deployment_type: host
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# Make a copy of kubeconfig on the host that runs Ansible in {{ inventory_dir }}/artifacts
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kubeconfig_localhost: false
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# Download kubectl onto the host that runs Ansible in {{ bin_dir }}
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kubectl_localhost: false
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# Define credentials_dir here so it can be overridden
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credentials_dir: "{{ inventory_dir }}/credentials"
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# K8s image pull policy (imagePullPolicy)
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k8s_image_pull_policy: IfNotPresent
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# Kubernetes dashboard
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# RBAC required. see docs/getting-started.md for access details.
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dashboard_enabled: true
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# Addons which can be enabled
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helm_enabled: false
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registry_enabled: false
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metrics_server_enabled: false
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enable_network_policy: true
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local_volume_provisioner_enabled: "{{ local_volumes_enabled | default('false') }}"
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persistent_volumes_enabled: false
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cephfs_provisioner_enabled: false
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rbd_provisioner_enabled: false
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ingress_nginx_enabled: false
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cert_manager_enabled: false
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expand_persistent_volumes: false
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## When OpenStack is used, Cinder version can be explicitly specified if autodetection fails (Fixed in 1.9: https://github.com/kubernetes/kubernetes/issues/50461)
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# openstack_blockstorage_version: "v1/v2/auto (default)"
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openstack_blockstorage_ignore_volume_az: "{{ volume_cross_zone_attachment | default('false') }}"
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## When OpenStack is used, if LBaaSv2 is available you can enable it with the following 2 variables.
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openstack_lbaas_enabled: false
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# openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP"
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## To enable automatic floating ip provisioning, specify a subnet.
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# openstack_lbaas_floating_network_id: "Neutron network ID (not subnet ID) to get floating IP from, disabled by default"
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## Override default LBaaS behavior
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# openstack_lbaas_use_octavia: False
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# openstack_lbaas_method: "ROUND_ROBIN"
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# openstack_lbaas_provider: "haproxy"
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openstack_lbaas_create_monitor: "yes"
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openstack_lbaas_monitor_delay: "1m"
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openstack_lbaas_monitor_timeout: "30s"
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openstack_lbaas_monitor_max_retries: "3"
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openstack_cacert: "{{ lookup('env','OS_CACERT') }}"
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## List of authorization modes that must be configured for
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## the k8s cluster. Only 'AlwaysAllow', 'AlwaysDeny', 'Node' and
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## 'RBAC' modes are tested. Order is important.
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authorization_modes: ['Node', 'RBAC']
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rbac_enabled: "{{ 'RBAC' in authorization_modes }}"
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# When enabled, API bearer tokens (including service account tokens) can be used to authenticate to the kubelet’s HTTPS endpoint
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kubelet_authentication_token_webhook: true
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# When enabled, access to the kubelet API requires authorization by delegation to the API server
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kubelet_authorization_mode_webhook: false
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# kubelet uses certificates for authenticating to the Kubernetes API
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# Automatically generate a new key and request a new certificate from the Kubernetes API as the current certificate approaches expiration
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kubelet_rotate_certificates: true
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## v1.11 feature
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feature_gate_v1_11:
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- "PersistentLocalVolumes={{ local_volume_provisioner_enabled | string }}"
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- "VolumeScheduling={{ local_volume_provisioner_enabled | string }}"
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- "MountPropagation={{ local_volume_provisioner_enabled | string }}"
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## v1.12 feature
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feature_gate_v1_12: []
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## List of key=value pairs that describe feature gates for
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## the k8s cluster.
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kube_feature_gates: |-
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{%- if kube_version is version('v1.12.0', '<') -%}
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{{ feature_gate_v1_11 }}
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{%- else -%}
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{{ feature_gate_v1_12 }}
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{%- endif %}
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# Enable kubeadm experimental control plane
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kubeadm_control_plane: false
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# Local volume provisioner storage classes
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# Levarages Ansibles string to Python datatype casting. Otherwise the dict_key isn't substituted
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# see https://github.com/ansible/ansible/issues/17324
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local_volume_provisioner_storage_classes: |
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{
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"{{ local_volume_provisioner_storage_class | default('local-storage') }}": {
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"host_dir": "{{ local_volume_provisioner_base_dir | default ('/mnt/disks') }}",
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"mount_dir": "{{ local_volume_provisioner_mount_dir | default('/mnt/disks') }}"
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}
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}
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# weave's network password for encryption
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# if null then no network encryption
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# you can use --extra-vars to pass the password in command line
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weave_password: EnterPasswordHere
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# Weave uses consensus mode by default
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# Enabling seed mode allow to dynamically add or remove hosts
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# https://www.weave.works/docs/net/latest/ipam/
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weave_mode_seed: false
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# This two variable are automatically changed by the weave's role in group_vars/k8s-cluster.yml.
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# Do not manually change these values
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weave_seed: uninitialized
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weave_peers: uninitialized
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# Contiv L3 BGP Mode
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contiv_peer_with_uplink_leaf: false
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contiv_global_as: "65002"
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contiv_global_neighbor_as: "500"
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# Set 127.0.0.1 as fallback IP if we do not have host facts for host
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fallback_ips_base: |
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---
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{% for item in groups['k8s-cluster'] + groups['etcd'] + groups['calico-rr']|default([])|unique %}
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{{item}}: "{{ hostvars[item].get('ansible_default_ipv4', {'address': '127.0.0.1'})['address'] }}"
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{% endfor %}
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fallback_ips: "{{ fallback_ips_base | from_yaml }}"
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## Set no_proxy to all assigned cluster IPs and hostnames
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no_proxy: >-
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{%- if http_proxy is defined or https_proxy is defined %}
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{%- if loadbalancer_apiserver is defined -%}
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{{ apiserver_loadbalancer_domain_name| default('') }},
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{{ loadbalancer_apiserver.address | default('') }},
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{%- endif -%}
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{%- for item in (groups['k8s-cluster'] + groups['etcd'] + groups['calico-rr']|default([]))|unique -%}
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{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(fallback_ips[item])) }},
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{%- if item != hostvars[item].get('ansible_hostname', '') -%}
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{{ hostvars[item]['ansible_hostname'] }},
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{{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }},
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{%- endif -%}
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{{ item }},{{ item }}.{{ dns_domain }},
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{%- endfor -%}
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{%- if additional_no_proxy is defined -%}
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{{ additional_no_proxy }},
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{%- endif -%}
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127.0.0.1,localhost
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{%- endif %}
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proxy_env:
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http_proxy: "{{ http_proxy| default ('') }}"
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https_proxy: "{{ https_proxy| default ('') }}"
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no_proxy: "{{ no_proxy| default ('') }}"
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ssl_ca_dirs: >-
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[
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{% if ansible_os_family in ['CoreOS', 'Container Linux by CoreOS'] -%}
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'/usr/share/ca-certificates',
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{% elif ansible_os_family == 'RedHat' -%}
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'/etc/pki/tls',
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'/etc/pki/ca-trust',
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{% elif ansible_os_family == 'Debian' -%}
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'/usr/share/ca-certificates',
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{% endif -%}
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]
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# Vars for pointing to kubernetes api endpoints
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is_kube_master: "{{ inventory_hostname in groups['kube-master'] }}"
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kube_apiserver_count: "{{ groups['kube-master'] | length }}"
|
||
kube_apiserver_address: "{{ ip | default(fallback_ips[inventory_hostname]) }}"
|
||
kube_apiserver_access_address: "{{ access_ip | default(kube_apiserver_address) }}"
|
||
first_kube_master: "{{ hostvars[groups['kube-master'][0]]['access_ip'] | default(hostvars[groups['kube-master'][0]]['ip'] | default(fallback_ips[groups['kube-master'][0]])) }}"
|
||
loadbalancer_apiserver_localhost: "{{ loadbalancer_apiserver is not defined }}"
|
||
loadbalancer_apiserver_type: "nginx"
|
||
# applied if only external loadbalancer_apiserver is defined, otherwise ignored
|
||
apiserver_loadbalancer_domain_name: "lb-apiserver.kubernetes.local"
|
||
kube_apiserver_endpoint: |-
|
||
{% if loadbalancer_apiserver is defined and loadbalancer_apiserver.port is defined -%}
|
||
https://{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }}
|
||
{%- elif not is_kube_master and loadbalancer_apiserver_localhost -%}
|
||
https://localhost:{{ loadbalancer_apiserver_port|default(kube_apiserver_port) }}
|
||
{%- elif is_kube_master -%}
|
||
https://{{ kube_apiserver_bind_address | regex_replace('0\.0\.0\.0','127.0.0.1') }}:{{ kube_apiserver_port }}
|
||
{%- else -%}
|
||
https://{{ first_kube_master }}:{{ kube_apiserver_port }}
|
||
{%- endif %}
|
||
kube_apiserver_insecure_endpoint: >-
|
||
http://{{ kube_apiserver_insecure_bind_address | regex_replace('0\.0\.0\.0','127.0.0.1') }}:{{ kube_apiserver_insecure_port }}
|
||
kube_apiserver_client_cert: "{{ kube_cert_dir }}/ca.crt"
|
||
kube_apiserver_client_key: "{{ kube_cert_dir }}/ca.key"
|
||
|
||
# Set to true to deploy etcd-events cluster
|
||
etcd_events_cluster_enabled: false
|
||
|
||
# Vars for pointing to etcd endpoints
|
||
is_etcd_master: "{{ inventory_hostname in groups['etcd'] }}"
|
||
etcd_address: "{{ ip | default(fallback_ips[inventory_hostname]) }}"
|
||
etcd_access_address: "{{ access_ip | default(etcd_address) }}"
|
||
etcd_events_access_address: "{{ access_ip | default(etcd_address) }}"
|
||
etcd_peer_url: "https://{{ etcd_access_address }}:2380"
|
||
etcd_client_url: "https://{{ etcd_access_address }}:2379"
|
||
etcd_events_peer_url: "https://{{ etcd_events_access_address }}:2382"
|
||
etcd_events_client_url: "https://{{ etcd_events_access_address }}:2381"
|
||
etcd_access_addresses: |-
|
||
{% for item in groups['etcd'] -%}
|
||
https://{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(fallback_ips[item])) }}:2379{% if not loop.last %},{% endif %}
|
||
{%- endfor %}
|
||
etcd_events_access_addresses_list: |-
|
||
[
|
||
{% for item in groups['etcd'] -%}
|
||
'https://{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(fallback_ips[item])) }}:2381'{% if not loop.last %},{% endif %}
|
||
{%- endfor %}
|
||
]
|
||
etcd_events_access_addresses: "{{etcd_events_access_addresses_list | join(',')}}"
|
||
etcd_events_access_addresses_semicolon: "{{etcd_events_access_addresses_list | join(';')}}"
|
||
# user should set etcd_member_name in inventory/mycluster/hosts.ini
|
||
etcd_member_name: |-
|
||
{% for host in groups['etcd'] %}
|
||
{% if inventory_hostname == host %}{{ hostvars[host].etcd_member_name | default("etcd" + loop.index|string) }}{% endif %}
|
||
{% endfor %}
|
||
etcd_peer_addresses: |-
|
||
{% for item in groups['etcd'] -%}
|
||
{{ hostvars[item].etcd_member_name | default("etcd" + loop.index|string) }}=https://{{ hostvars[item].access_ip | default(hostvars[item].ip | default(fallback_ips[item])) }}:2380{% if not loop.last %},{% endif %}
|
||
{%- endfor %}
|
||
etcd_events_peer_addresses: |-
|
||
{% for item in groups['etcd'] -%}
|
||
{{ hostvars[item].etcd_member_name | default("etcd" + loop.index|string) }}-events=https://{{ hostvars[item].access_ip | default(hostvars[item].ip | default(fallback_ips[item])) }}:2382{% if not loop.last %},{% endif %}
|
||
{%- endfor %}
|
||
|
||
podsecuritypolicy_enabled: false
|
||
etcd_heartbeat_interval: "250"
|
||
etcd_election_timeout: "5000"
|
||
etcd_snapshot_count: "10000"
|
||
|
||
certificates_key_size: 2048
|
||
certificates_duration: 36500
|
||
|
||
pip_extra_args: |-
|
||
{%- set pip_extra_args_list = [] -%}
|
||
{%- if pyrepo_index is defined -%}
|
||
{%- set DO = pip_extra_args_list.append('--index-url %s' | format(pyrepo_index)) -%}
|
||
{%- if pyrepo_cert is defined -%}
|
||
{%- set DO = pip_extra_args_list.append('--cert %s' | format(pyrepo_cert)) -%}
|
||
{%- endif -%}
|
||
{%- endif -%}
|
||
{{ pip_extra_args_list|join(' ') }}
|
||
|
||
etcd_config_dir: /etc/ssl/etcd
|
||
etcd_cert_dir: "{{ etcd_config_dir }}/ssl"
|