25b366dd98
Default backend is now etcd3 (was etcd2). The migration process consists of the following steps: * check if migration is necessary * stop etcd on first etcd server * run migration script * start etcd on first etcd server * stop kube-apiserver until configuration is updated * update kube-apiserver * purge old etcdv2 data
76 lines
2.3 KiB
YAML
76 lines
2.3 KiB
YAML
---
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- include: pre-upgrade.yml
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tags: k8s-pre-upgrade
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- name: Copy kubectl from hyperkube container
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command: "{{ docker_bin_dir }}/docker run --rm -v {{ bin_dir }}:/systembindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /bin/cp /hyperkube /systembindir/kubectl"
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register: kube_task_result
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until: kube_task_result.rc == 0
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retries: 4
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delay: "{{ retry_stagger | random + 3 }}"
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changed_when: false
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tags: [hyperkube, kubectl, upgrade]
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- name: Install kubectl bash completion
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shell: "{{ bin_dir }}/kubectl completion bash >/etc/bash_completion.d/kubectl.sh"
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#no_log: true
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when: ansible_os_family in ["Debian","RedHat"]
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tags: kubectl
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- name: Set kubectl bash completion file
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file:
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path: /etc/bash_completion.d/kubectl.sh
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owner: root
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group: root
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mode: 0755
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when: ansible_os_family in ["Debian","RedHat"]
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tags: [kubectl, upgrade]
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- name: Write kube-apiserver manifest
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template:
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src: manifests/kube-apiserver.manifest.j2
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dest: "{{ kube_manifest_dir }}/kube-apiserver.manifest"
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notify: Master | wait for the apiserver to be running
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tags: kube-apiserver
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- meta: flush_handlers
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- name: copy kube system namespace manifest
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copy:
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src: namespace.yml
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dest: "{{kube_config_dir}}/{{system_namespace}}-ns.yml"
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run_once: yes
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when: inventory_hostname == groups['kube-master'][0]
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tags: apps
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- name: Check if kube system namespace exists
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command: "{{ bin_dir }}/kubectl get ns {{system_namespace}}"
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register: 'kubesystem'
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changed_when: False
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failed_when: False
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run_once: yes
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tags: apps
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- name: Create kube system namespace
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command: "{{ bin_dir }}/kubectl create -f {{kube_config_dir}}/{{system_namespace}}-ns.yml"
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changed_when: False
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when: kubesystem|failed and inventory_hostname == groups['kube-master'][0]
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tags: apps
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- name: Write kube-controller-manager manifest
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template:
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src: manifests/kube-controller-manager.manifest.j2
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dest: "{{ kube_manifest_dir }}/kube-controller-manager.manifest"
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notify: Master | wait for kube-controller-manager
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tags: kube-controller-manager
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- name: Write kube-scheduler manifest
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template:
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src: manifests/kube-scheduler.manifest.j2
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dest: "{{ kube_manifest_dir }}/kube-scheduler.manifest"
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notify: Master | wait for kube-scheduler
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tags: kube-scheduler
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- include: post-upgrade.yml
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tags: k8s-post-upgrade
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