kubespray/upgrade-cluster.yml

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---
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- hosts: localhost
tasks:
- name: Check ansible version <2.7
assert:
msg: "Ansible V2.7.0 can't be used until: https://github.com/ansible/ansible/issues/46600 is fixed"
that:
- ansible_version.string is version("2.7.0", "<")
- ansible_version.string is version("2.5.0", ">=")
tags:
- check
vars:
ansible_connection: local
- hosts: bastion[0]
gather_facts: False
roles:
- { role: kubespray-defaults}
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- { role: bastion-ssh-config, tags: ["localhost", "bastion"]}
- hosts: k8s-cluster:etcd:calico-rr
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
gather_facts: false
vars:
# Need to disable pipelining for bootstrap-os as some systems have requiretty in sudoers set, which makes pipelining
# fail. bootstrap-os fixes this on these systems, so in later plays it can be enabled.
ansible_ssh_pipelining: false
roles:
- { role: kubespray-defaults}
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- { role: bootstrap-os, tags: bootstrap-os}
- hosts: k8s-cluster:etcd:calico-rr
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
vars:
ansible_ssh_pipelining: true
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gather_facts: true
pre_tasks:
- name: gather facts from all instances
setup:
delegate_to: "{{item}}"
delegate_facts: True
with_items: "{{ groups['k8s-cluster'] + groups['etcd'] + groups['calico-rr']|default([]) }}"
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- hosts: k8s-cluster:etcd:calico-rr
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
serial: "{{ serial | default('20%') }}"
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roles:
- { role: kubespray-defaults}
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- { role: kubernetes/preinstall, tags: preinstall }
- { role: container-engine, tags: "container-engine"}
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- { role: download, tags: download, when: "not skip_downloads" }
environment: "{{proxy_env}}"
- hosts: etcd:k8s-cluster:vault
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
roles:
- { role: kubespray-defaults, when: "cert_management == 'vault'" }
- { role: vault, tags: vault, vault_bootstrap: true, when: "cert_management == 'vault'" }
environment: "{{proxy_env}}"
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- hosts: etcd
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
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roles:
- { role: kubespray-defaults}
- { role: etcd, tags: etcd, etcd_cluster_setup: true }
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- hosts: k8s-cluster
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
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roles:
- { role: kubespray-defaults}
- { role: etcd, tags: etcd, etcd_cluster_setup: false }
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- hosts: etcd:k8s-cluster:vault
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
roles:
- { role: kubespray-defaults, when: "cert_management == 'vault'"}
- { role: vault, tags: vault, when: "cert_management == 'vault'"}
environment: "{{proxy_env}}"
#Handle upgrades to master components first to maintain backwards compat.
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- hosts: kube-master
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
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serial: 1
roles:
- { role: kubespray-defaults}
- { role: upgrade/pre-upgrade, tags: pre-upgrade }
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- { role: kubernetes/node, tags: node }
- { role: kubernetes/master, tags: master }
- { role: kubernetes/client, tags: client }
- { role: kubernetes-apps/cluster_roles, tags: cluster-roles }
- { role: upgrade/post-upgrade, tags: post-upgrade }
environment: "{{proxy_env}}"
#Upgrade calico on all masters and nodes
- hosts: kube-master:kube-node
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
serial: "{{ serial | default('20%') }}"
roles:
- { role: kubespray-defaults}
- { role: network_plugin, tags: network }
- { role: kubernetes-apps/network_plugin, tags: network }
- { role: kubernetes-apps/policy_controller, tags: policy-controller }
#Finally handle worker upgrades, based on given batch size
- hosts: kube-node:!kube-master
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
serial: "{{ serial | default('20%') }}"
roles:
- { role: kubespray-defaults}
- { role: upgrade/pre-upgrade, tags: pre-upgrade }
- { role: kubernetes/node, tags: node }
- { role: kubernetes/kubeadm, tags: kubeadm, when: "kubeadm_enabled" }
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- { role: upgrade/post-upgrade, tags: post-upgrade }
environment: "{{proxy_env}}"
- hosts: kube-master[0]
any_errors_fatal: true
roles:
- { role: kubespray-defaults}
- { role: kubernetes-apps/rotate_tokens, tags: rotate_tokens, when: "secret_changed|default(false)" }
- hosts: calico-rr
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
roles:
- { role: kubespray-defaults}
- { role: network_plugin/calico/rr, tags: network }
- hosts: k8s-cluster
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
roles:
- { role: kubespray-defaults}
- { role: dnsmasq, when: "dns_mode == 'dnsmasq_kubedns'", tags: dnsmasq }
- { role: kubernetes/preinstall, when: "dns_mode != 'none' and resolvconf_mode == 'host_resolvconf'", tags: resolvconf }
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- hosts: kube-master
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
roles:
- { role: kubespray-defaults}
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- { role: kubernetes-apps, tags: apps }