395 lines
9.8 KiB
YAML
395 lines
9.8 KiB
YAML
---
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- name: reset | stop services
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service:
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name: "{{ item }}"
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state: stopped
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with_items:
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- kubelet.service
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- cri-dockerd.service
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- cri-dockerd.socket
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failed_when: false
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tags:
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- services
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- name: reset | remove services
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file:
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path: "/etc/systemd/system/{{ item }}"
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state: absent
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with_items:
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- kubelet.service
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- cri-dockerd.service
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- cri-dockerd.socket
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- calico-node.service
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- containerd.service.d/http-proxy.conf
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- crio.service.d/http-proxy.conf
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- k8s-certs-renew.service
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- k8s-certs-renew.timer
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register: services_removed
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tags:
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- services
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- containerd
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- crio
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- name: reset | Remove Docker
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include_role:
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name: container-engine/docker
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tasks_from: reset
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when: container_manager == 'docker'
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tags:
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- docker
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- name: reset | systemctl daemon-reload # noqa 503
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systemd:
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daemon_reload: true
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when: services_removed.changed
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- name: reset | check if crictl is present
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stat:
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path: "{{ bin_dir }}/crictl"
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get_attributes: no
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get_checksum: no
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get_mime: no
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register: crictl
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- name: reset | stop all cri containers
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shell: "set -o pipefail && {{ bin_dir }}/crictl ps -q | xargs -r {{ bin_dir }}/crictl -t 60s stop"
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args:
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executable: /bin/bash
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register: remove_all_cri_containers
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retries: 5
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until: remove_all_cri_containers.rc == 0
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delay: 5
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tags:
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- crio
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- containerd
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when:
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- crictl.stat.exists
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- container_manager in ["crio", "containerd"]
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ignore_errors: true # noqa ignore-errors
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- name: reset | force remove all cri containers
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command: "{{ bin_dir }}/crictl rm -a -f"
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register: remove_all_cri_containers
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retries: 5
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until: remove_all_cri_containers.rc == 0
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delay: 5
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tags:
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- crio
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- containerd
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when:
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- crictl.stat.exists
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- container_manager in ["crio", "containerd"]
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- deploy_container_engine
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ignore_errors: true # noqa ignore-errors
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- name: reset | stop and disable crio service
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service:
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name: crio
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state: stopped
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enabled: false
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failed_when: false
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tags: [ crio ]
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when: container_manager == "crio"
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- name: reset | forcefully wipe CRI-O's container and image storage
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command: "crio wipe -f"
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failed_when: false
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tags: [ crio ]
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when: container_manager == "crio"
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- name: reset | stop all cri pods
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shell: "set -o pipefail && {{ bin_dir }}/crictl pods -q | xargs -r {{ bin_dir }}/crictl -t 60s stopp"
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args:
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executable: /bin/bash
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register: remove_all_cri_containers
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retries: 5
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until: remove_all_cri_containers.rc == 0
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delay: 5
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tags: [ containerd ]
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when:
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- crictl.stat.exists
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- container_manager == "containerd"
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ignore_errors: true # noqa ignore-errors
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- block:
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- name: reset | force remove all cri pods
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command: "{{ bin_dir }}/crictl rmp -a -f"
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register: remove_all_cri_containers
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retries: 5
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until: remove_all_cri_containers.rc == 0
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delay: 5
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tags: [ containerd ]
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when:
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- crictl.stat.exists
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- container_manager == "containerd"
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rescue:
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- name: reset | force remove all cri pods (rescue)
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shell: "ip netns list | cut -d' ' -f 1 | xargs -n1 ip netns delete && {{ bin_dir }}/crictl rmp -a -f"
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ignore_errors: true # noqa ignore-errors
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changed_when: true
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- name: reset | stop etcd services
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service:
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name: "{{ item }}"
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state: stopped
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with_items:
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- etcd
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- etcd-events
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failed_when: false
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tags:
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- services
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- name: reset | remove etcd services
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file:
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path: "/etc/systemd/system/{{ item }}.service"
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state: absent
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with_items:
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- etcd
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- etcd-events
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register: services_removed
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tags:
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- services
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- name: reset | remove containerd
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when: container_manager == 'containerd'
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block:
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- name: reset | stop containerd service
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service:
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name: containerd
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state: stopped
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failed_when: false
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tags:
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- services
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- name: reset | remove containerd service
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file:
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path: /etc/systemd/system/containerd.service
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state: absent
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register: services_removed
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tags:
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- services
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- name: reset | gather mounted kubelet dirs # noqa 301
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shell: set -o pipefail && mount | grep /var/lib/kubelet/ | awk '{print $3}' | tac
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args:
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executable: /bin/bash
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warn: false
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check_mode: no
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register: mounted_dirs
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failed_when: false
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tags:
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- mounts
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- name: reset | unmount kubelet dirs # noqa 301
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command: umount -f {{ item }}
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with_items: "{{ mounted_dirs.stdout_lines }}"
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register: umount_dir
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when: mounted_dirs
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retries: 4
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until: umount_dir.rc == 0
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delay: 5
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tags:
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- mounts
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- name: flush iptables
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iptables:
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table: "{{ item }}"
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flush: yes
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with_items:
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- filter
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- nat
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- mangle
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- raw
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when: flush_iptables|bool
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tags:
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- iptables
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- name: Clear IPVS virtual server table
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command: "ipvsadm -C"
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ignore_errors: true # noqa ignore-errors
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when:
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- kube_proxy_mode == 'ipvs' and inventory_hostname in groups['k8s_cluster']
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- name: reset | check kube-ipvs0 network device
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stat:
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path: /sys/class/net/kube-ipvs0
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get_attributes: no
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get_checksum: no
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get_mime: no
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register: kube_ipvs0
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- name: reset | Remove kube-ipvs0
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command: "ip link del kube-ipvs0"
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when:
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- kube_proxy_mode == 'ipvs'
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- kube_ipvs0.stat.exists
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- name: reset | check nodelocaldns network device
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stat:
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path: /sys/class/net/nodelocaldns
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get_attributes: no
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get_checksum: no
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get_mime: no
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register: nodelocaldns_device
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- name: reset | Remove nodelocaldns
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command: "ip link del nodelocaldns"
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when:
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- enable_nodelocaldns|default(false)|bool
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- nodelocaldns_device.stat.exists
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- name: reset | delete some files and directories
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file:
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path: "{{ item }}"
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state: absent
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with_items:
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- "{{ kube_config_dir }}"
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- /var/lib/kubelet
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- "{{ containerd_storage_dir }}"
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- "{{ ansible_env.HOME | default('/root') }}/.kube"
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- "{{ ansible_env.HOME | default('/root') }}/.helm"
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- "{{ etcd_data_dir }}"
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- "{{ etcd_events_data_dir }}"
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- "{{ etcd_config_dir }}"
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- /var/log/calico
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- /etc/cni
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- /etc/nerdctl
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- "{{ nginx_config_dir }}"
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- /etc/dnsmasq.d
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- /etc/dnsmasq.conf
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- /etc/dnsmasq.d-available
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- /etc/etcd.env
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- /etc/calico
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- /etc/NetworkManager/conf.d/calico.conf
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- /etc/NetworkManager/conf.d/k8s.conf
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- /etc/weave.env
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- /opt/cni
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- /etc/dhcp/dhclient.d/zdnsupdate.sh
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- /etc/dhcp/dhclient-exit-hooks.d/zdnsupdate
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- /run/flannel
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- /etc/flannel
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- /run/kubernetes
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- /usr/local/share/ca-certificates/etcd-ca.crt
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- /usr/local/share/ca-certificates/kube-ca.crt
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- /etc/ssl/certs/etcd-ca.pem
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- /etc/ssl/certs/kube-ca.pem
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- /etc/pki/ca-trust/source/anchors/etcd-ca.crt
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- /etc/pki/ca-trust/source/anchors/kube-ca.crt
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- /var/log/pods/
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- "{{ bin_dir }}/kubelet"
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- "{{ bin_dir }}/cri-dockerd"
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- "{{ bin_dir }}/etcd-scripts"
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- "{{ bin_dir }}/etcd"
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- "{{ bin_dir }}/etcd-events"
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- "{{ bin_dir }}/etcdctl"
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- "{{ bin_dir }}/etcdctl.sh"
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- "{{ bin_dir }}/kubernetes-scripts"
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- "{{ bin_dir }}/kubectl"
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- "{{ bin_dir }}/kubeadm"
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- "{{ bin_dir }}/helm"
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- "{{ bin_dir }}/calicoctl"
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- "{{ bin_dir }}/calicoctl.sh"
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- "{{ bin_dir }}/calico-upgrade"
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- "{{ bin_dir }}/weave"
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- "{{ bin_dir }}/crictl"
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- "{{ bin_dir }}/nerdctl"
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- "{{ bin_dir }}/netctl"
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- "{{ bin_dir }}/k8s-certs-renew.sh"
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- /var/lib/cni
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- /etc/openvswitch
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- /run/openvswitch
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- /var/lib/kube-router
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- /var/lib/calico
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- /etc/cilium
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- /run/calico
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- /etc/bash_completion.d/kubectl.sh
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- /etc/bash_completion.d/crictl
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- /etc/bash_completion.d/nerdctl
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- /etc/bash_completion.d/krew
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- /etc/bash_completion.d/krew.sh
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- "{{ krew_root_dir }}"
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- /etc/modules-load.d/kube_proxy-ipvs.conf
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- /etc/modules-load.d/kubespray-br_netfilter.conf
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- /etc/modules-load.d/kubespray-kata-containers.conf
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- /usr/libexec/kubernetes
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- /etc/origin/openvswitch
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- /etc/origin/ovn
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- "{{ sysctl_file_path }}"
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- /etc/crictl.yaml
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ignore_errors: true # noqa ignore-errors
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tags:
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- files
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- name: reset | remove containerd binary files
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file:
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path: "{{ containerd_bin_dir }}/{{ item }}"
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state: absent
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with_items:
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- containerd
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- containerd-shim
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- containerd-shim-runc-v1
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- containerd-shim-runc-v2
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- containerd-stress
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- crictl
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- critest
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- ctd-decoder
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- ctr
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- runc
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ignore_errors: true # noqa ignore-errors
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when: container_manager == 'containerd'
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tags:
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- files
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- name: reset | remove dns settings from dhclient.conf
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blockinfile:
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path: "{{ item }}"
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state: absent
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marker: "# Ansible entries {mark}"
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failed_when: false
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with_items:
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- /etc/dhclient.conf
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- /etc/dhcp/dhclient.conf
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tags:
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- files
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- dns
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- name: reset | remove host entries from /etc/hosts
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blockinfile:
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path: "/etc/hosts"
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state: absent
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marker: "# Ansible inventory hosts {mark}"
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tags:
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- files
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- dns
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- name: reset | include file with reset tasks specific to the network_plugin if exists
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include_role:
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name: "network_plugin/{{ kube_network_plugin }}"
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tasks_from: reset
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when:
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- kube_network_plugin in ['flannel', 'cilium', 'kube-router', 'calico']
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tags:
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- network
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- name: reset | Restart network
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service:
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name: >-
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{% if ansible_os_family == "RedHat" -%}
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{%- if ansible_distribution_major_version|int == 8 or is_fedora_coreos or ansible_distribution == "Fedora" -%}
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NetworkManager
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{%- else -%}
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network
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{%- endif -%}
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{%- elif ansible_distribution == "Ubuntu" and ansible_distribution_release in ["hirsute","bionic", "focal"] -%}
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systemd-networkd
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{%- elif ansible_os_family == "Debian" -%}
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networking
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{%- endif %}
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state: restarted
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when:
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- ansible_os_family not in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
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- reset_restart_network
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tags:
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- services
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- network
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