Merge pull request #1293 from mattymo/kubelet_host_mode
Add host-based kubelet deployment
This commit is contained in:
commit
9e64267867
4 changed files with 47 additions and 3 deletions
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@ -1,3 +1,6 @@
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# Valid options: docker (default), rkt, or host
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kubelet_deployment_type: docker
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# change to 0.0.0.0 to enable insecure access from anywhere (not recommended)
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# change to 0.0.0.0 to enable insecure access from anywhere (not recommended)
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kube_apiserver_insecure_bind_address: 127.0.0.1
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kube_apiserver_insecure_bind_address: 127.0.0.1
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10
roles/kubernetes/node/tasks/install_host.yml
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10
roles/kubernetes/node/tasks/install_host.yml
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---
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- name: install | Copy kubelet 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 -f /hyperkube /systembindir/kubelet"
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register: kubelet_task_result
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until: kubelet_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, upgrade]
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notify: restart kubelet
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@ -23,10 +23,11 @@ ExecStart={{ bin_dir }}/kubelet \
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$DOCKER_SOCKET \
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$DOCKER_SOCKET \
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$KUBELET_NETWORK_PLUGIN \
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$KUBELET_NETWORK_PLUGIN \
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$KUBELET_CLOUDPROVIDER
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$KUBELET_CLOUDPROVIDER
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ExecStartPre=-{{ docker_bin_dir }}/docker rm -f kubelet
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ExecReload={{ docker_bin_dir }}/docker restart kubelet
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Restart=always
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Restart=always
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RestartSec=10s
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RestartSec=10s
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ExecStartPre=-{{ docker_bin_dir }}/docker rm -f kubelet
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ExecReload={{ docker_bin_dir }}/docker restart kubelet
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[Install]
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[Install]
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WantedBy=multi-user.target
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WantedBy=multi-user.target
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30
roles/kubernetes/node/templates/kubelet.host.service.j2
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30
roles/kubernetes/node/templates/kubelet.host.service.j2
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[Unit]
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Description=Kubernetes Kubelet Server
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Documentation=https://github.com/GoogleCloudPlatform/kubernetes
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{% if kube_network_plugin is defined and kube_network_plugin == "calico" %}
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After=docker.service docker.socket calico-node.service
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Wants=docker.socket calico-node.service
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{% else %}
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After=docker.service
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Wants=docker.socket
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{% endif %}
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[Service]
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EnvironmentFile={{kube_config_dir}}/kubelet.env
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ExecStart={{ bin_dir }}/kubelet \
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$KUBE_LOGTOSTDERR \
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$KUBE_LOG_LEVEL \
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$KUBELET_API_SERVER \
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$KUBELET_ADDRESS \
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$KUBELET_PORT \
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$KUBELET_HOSTNAME \
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$KUBE_ALLOW_PRIV \
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$KUBELET_ARGS \
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$DOCKER_SOCKET \
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$KUBELET_NETWORK_PLUGIN \
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$KUBELET_CLOUDPROVIDER
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Restart=always
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RestartSec=10s
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[Install]
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WantedBy=multi-user.target
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