running kubernetes master processes as pods
This commit is contained in:
Smaine Kahlouch
parent
ef8a46b8c5
commit
f49620517e
21 changed files with 238 additions and 362 deletions
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@ -1,47 +1,16 @@
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---
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- name: restart daemons
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command: /bin/true
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notify:
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- reload systemd
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- restart reloaded-scheduler
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- restart reloaded-controller-manager
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- restart reloaded-apiserver
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- restart reloaded-proxy
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- name: reload systemd
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command: systemctl daemon-reload
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- name: restart apiserver
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- name: restart kubelet
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command: /bin/true
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notify:
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- reload systemd
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- restart reloaded-apiserver
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- restart reloaded-kubelet
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- name: restart reloaded-apiserver
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- name: restart reloaded-kubelet
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service:
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name: kube-apiserver
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state: restarted
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- name: restart controller-manager
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command: /bin/true
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notify:
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- reload systemd
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- restart reloaded-controller-manager
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- name: restart reloaded-controller-manager
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service:
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name: kube-controller-manager
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state: restarted
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- name: restart scheduler
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command: /bin/true
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notify:
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- reload systemd
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- restart reloaded-scheduler
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- name: restart reloaded-scheduler
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service:
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name: kube-scheduler
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name: kubelet
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state: restarted
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- name: restart proxy
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@ -1,3 +1,4 @@
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---
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dependencies:
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- { role: kubernetes/common }
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- { role: etcd }
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- { role: kubernetes/node }
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@ -1,94 +0,0 @@
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---
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- name: get the node token values from token files
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slurp:
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src: "{{ kube_token_dir }}/{{ item }}-{{ inventory_hostname }}.token"
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with_items:
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- "system:controller_manager"
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- "system:scheduler"
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- "system:kubectl"
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- "system:proxy"
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register: tokens
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delegate_to: "{{ groups['kube-master'][0] }}"
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- name: Set token facts
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set_fact:
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controller_manager_token: "{{ tokens.results[0].content|b64decode }}"
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scheduler_token: "{{ tokens.results[1].content|b64decode }}"
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kubectl_token: "{{ tokens.results[2].content|b64decode }}"
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proxy_token: "{{ tokens.results[3].content|b64decode }}"
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- name: write the config files for api server
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template: src=apiserver.j2 dest={{ kube_config_dir }}/apiserver backup=yes
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notify:
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- restart apiserver
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- name: write config file for controller-manager
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template: src=controller-manager.j2 dest={{ kube_config_dir }}/controller-manager backup=yes
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notify:
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- restart controller-manager
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- name: write the kubecfg (auth) file for controller-manager
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template: src=controller-manager.kubeconfig.j2 dest={{ kube_config_dir }}/controller-manager.kubeconfig backup=yes
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notify:
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- restart controller-manager
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- name: write the config file for scheduler
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template: src=scheduler.j2 dest={{ kube_config_dir }}/scheduler backup=yes
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notify:
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- restart scheduler
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- name: write the kubecfg (auth) file for scheduler
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template: src=scheduler.kubeconfig.j2 dest={{ kube_config_dir }}/scheduler.kubeconfig backup=yes
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notify:
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- restart scheduler
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- name: write the kubecfg (auth) file for kubectl
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template: src=kubectl.kubeconfig.j2 dest={{ kube_config_dir }}/kubectl.kubeconfig backup=yes
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- name: Copy kubectl bash completion
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copy: src=kubectl_bash_completion.sh dest=/etc/bash_completion.d/kubectl.sh
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- name: Create proxy environment vars dir
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file: path=/etc/systemd/system/kube-proxy.service.d state=directory
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- name: Write proxy config file
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template: src=proxy.j2 dest=/etc/systemd/system/kube-proxy.service.d/10-proxy-cluster.conf backup=yes
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notify:
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- restart proxy
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- name: write the kubecfg (auth) file for proxy
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template: src=proxy.kubeconfig.j2 dest={{ kube_config_dir }}/proxy.kubeconfig backup=yes
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- name: populate users for basic auth in API
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lineinfile:
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dest: "{{ kube_users_dir }}/known_users.csv"
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create: yes
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line: '{{ item.value.pass }},{{ item.key }},{{ item.value.role }}'
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backup: yes
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with_dict: "{{ kube_users }}"
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notify:
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- restart apiserver
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- name: Enable controller-manager
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service:
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name: kube-controller-manager
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enabled: yes
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state: started
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- name: Enable scheduler
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service:
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name: kube-scheduler
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enabled: yes
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state: started
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- name: Enable kube-proxy
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service:
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name: kube-proxy
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enabled: yes
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state: started
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- name: Enable apiserver
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service:
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name: kube-apiserver
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enabled: yes
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state: started
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@ -1,34 +0,0 @@
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---
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- name: Write kube-apiserver systemd init file
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template: src=systemd-init/kube-apiserver.service.j2 dest=/etc/systemd/system/kube-apiserver.service backup=yes
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notify: restart apiserver
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- name: Write kube-controller-manager systemd init file
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template: src=systemd-init/kube-controller-manager.service.j2 dest=/etc/systemd/system/kube-controller-manager.service backup=yes
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notify: restart controller-manager
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- name: Write kube-scheduler systemd init file
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template: src=systemd-init/kube-scheduler.service.j2 dest=/etc/systemd/system/kube-scheduler.service backup=yes
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notify: restart scheduler
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- name: Write kube-proxy systemd init file
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template: src=systemd-init/kube-proxy.service.j2 dest=/etc/systemd/system/kube-proxy.service backup=yes
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notify: restart proxy
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- name: Install kubernetes binaries
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copy:
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src={{ local_release_dir }}/kubernetes/bin/{{ item }}
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dest={{ bin_dir }}
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owner=kube
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mode=u+x
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with_items:
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- kube-apiserver
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- kube-controller-manager
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- kube-scheduler
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- kube-proxy
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- kubectl
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notify:
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- restart daemons
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- name: Allow apiserver to bind on both secure and insecure ports
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shell: setcap cap_net_bind_service+ep {{ bin_dir }}/kube-apiserver
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@ -1,3 +1,81 @@
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---
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- include: install.yml
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- include: config.yml
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- name: Install kubectl binary
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copy:
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src={{ local_release_dir }}/kubernetes/bin/kubectl
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dest={{ bin_dir }}
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owner=kube
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mode=u+x
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notify:
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- restart daemons
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- name: Copy kubectl bash completion
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copy:
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src: kubectl_bash_completion.sh
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dest: /etc/bash_completion.d/kubectl.sh
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- name: populate users for basic auth in API
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lineinfile:
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dest: "{{ kube_users_dir }}/known_users.csv"
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create: yes
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line: '{{ item.value.pass }},{{ item.key }},{{ item.value.role }}'
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backup: yes
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with_dict: "{{ kube_users }}"
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# Sync masters
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- name: synchronize auth directories for masters
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synchronize:
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src: "{{ item }}"
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dest: "{{ kube_config_dir }}"
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recursive: yes
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delete: yes
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rsync_opts: [ '--one-file-system']
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with_items:
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- "{{ kube_token_dir }}"
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- "{{ kube_cert_dir }}"
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- "{{ kube_users_dir }}"
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delegate_to: "{{ groups['kube-master'][0] }}"
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# Write manifests
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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-apisever.manifest"
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notify:
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- restart kubelet
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- meta: flush_handlers
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- name: wait for the apiserver to be running (pulling image and running container)
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wait_for:
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port: 8080
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- name: install required python module 'httplib2'
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apt:
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name: "python-httplib2"
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state: present
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when: inventory_hostname == groups['kube-master'][0]
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- name: Create 'kube-system' namespace
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uri:
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url: http://{{ groups['kube-master'][0]}}:{{ kube_apiserver_insecure_port }}/api/v1/namespaces
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method: POST
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body: '{"apiVersion":"v1","kind":"Namespace","metadata":{"name":"kube-system"}}'
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status_code: 201,409
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body_format: json
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run_once: yes
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when: inventory_hostname == groups['kube-master'][0]
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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_config_dir }}/kube-controller-manager.manifest"
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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_config_dir }}/kube-scheduler.manifest"
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- name: Write podmaster manifest
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template:
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src: manifests/kube-podmaster.manifest.j2
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dest: "{{ kube_manifest_dir }}/kube-podmaster.manifest"
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@ -1,28 +0,0 @@
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###
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# kubernetes system config
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#
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# The following values are used to configure the kube-apiserver
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#
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# The address on the local server to listen to.
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KUBE_API_ADDRESS="--insecure-bind-address=0.0.0.0"
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# The port on the local server to listen on.
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KUBE_API_PORT="--insecure-port={{kube_master_insecure_port}} --secure-port={{ kube_master_port }}"
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# KUBELET_PORT="--kubelet_port=10250"
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# Address range to use for services
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KUBE_SERVICE_ADDRESSES="--service-cluster-ip-range={{ kube_service_addresses }}"
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# Location of the etcd cluster
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KUBE_ETCD_SERVERS="--etcd_servers={% for node in groups['etcd'] %}http://{{ node }}:2379{% if not loop.last %},{% endif %}{% endfor %}"
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# default admission control policies
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KUBE_ADMISSION_CONTROL="--admission_control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota"
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# RUNTIME API CONFIGURATION (e.g. enable extensions)
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KUBE_RUNTIME_CONFIG="{% if kube_api_runtime_config is defined %}{% for conf in kube_api_runtime_config %}--runtime-config={{ conf }} {% endfor %}{% endif %}"
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# Add you own!
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KUBE_API_ARGS="--tls_cert_file={{ kube_cert_dir }}/server.crt --tls_private_key_file={{ kube_cert_dir }}/server.key --client_ca_file={{ kube_cert_dir }}/ca.crt --token_auth_file={{ kube_token_dir }}/known_tokens.csv --basic-auth-file={{ kube_users_dir }}/known_users.csv --service_account_key_file={{ kube_cert_dir }}/server.crt"
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###
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# The following values are used to configure the kubernetes controller-manager
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# defaults from config and apiserver should be adequate
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KUBE_CONTROLLER_MANAGER_ARGS="--kubeconfig={{ kube_config_dir }}/controller-manager.kubeconfig --service_account_private_key_file={{ kube_cert_dir }}/server.key --root_ca_file={{ kube_cert_dir }}/ca.crt"
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@ -1,18 +0,0 @@
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apiVersion: v1
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kind: Config
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current-context: controller-manager-to-{{ cluster_name }}
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preferences: {}
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clusters:
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- cluster:
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certificate-authority: {{ kube_cert_dir }}/ca.crt
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server: https://{{ groups['kube-master'][0] }}:{{ kube_master_port }}
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name: {{ cluster_name }}
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contexts:
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- context:
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cluster: {{ cluster_name }}
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user: controller-manager
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name: controller-manager-to-{{ cluster_name }}
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users:
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- name: controller-manager
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user:
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token: {{ controller_manager_token }}
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@ -4,8 +4,8 @@ current-context: kubectl-to-{{ cluster_name }}
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preferences: {}
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clusters:
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- cluster:
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certificate-authority-data: {{ kube_ca_cert|b64encode }}
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server: https://{{ groups['kube-master'][0] }}:{{ kube_master_port }}
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certificate-authority-data: {{ kube_node_cert|b64encode }}
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server: https://{{ groups['kube-master'][0] }}:{{ kube_apiserver_port }}
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name: {{ cluster_name }}
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contexts:
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- context:
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@ -0,0 +1,46 @@
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apiVersion: v1
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kind: Pod
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metadata:
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name: kube-apiserver
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spec:
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hostNetwork: true
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containers:
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- name: kube-apiserver
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image: {{ hyperkube_image.name }}:{{ hyperkube_image.tag }}
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command:
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- /hyperkube
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- apiserver
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- --insecure-bind-address=0.0.0.0
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- --etcd-servers=http://{{ hostvars[inventory_hostname]['ip'] | default( ansible_default_ipv4.address) }}:2379
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- --admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota
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- --service-cluster-ip-range={{ kube_service_addresses }}
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- --client-ca-file={{ kube_cert_dir }}/ca.pem
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- --basic-auth-file={{ kube_users_dir }}/known_users.csv
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- --tls-cert-file={{ kube_cert_dir }}/apiserver.pem
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- --tls-private-key-file={{ kube_cert_dir }}/apiserver-key.pem
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- --service-account-key-file={{ kube_cert_dir }}/apiserver-key.pem
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- --secure-port={{ kube_apiserver_port }}
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- --token-auth-file={{ kube_token_dir }}/known_tokens.csv
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- --v={{ kube_log_level | default('2') }}
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- --allow-privileged=true
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ports:
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- containerPort: {{ kube_apiserver_port }}
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hostPort: {{ kube_apiserver_port }}
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name: https
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- containerPort: {{ kube_apiserver_insecure_port }}
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hostPort: {{ kube_apiserver_insecure_port }}
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name: local
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volumeMounts:
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- mountPath: {{ kube_config_dir }}
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name: kubernetes-config
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readOnly: true
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- mountPath: /etc/ssl/certs
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name: ssl-certs-host
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readOnly: true
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volumes:
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- hostPath:
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path: {{ kube_config_dir }}
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name: kubernetes-config
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- hostPath:
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path: /usr/share/ca-certificates
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name: ssl-certs-host
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apiVersion: v1
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kind: Pod
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metadata:
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name: kube-controller-manager
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namespace: kube-system
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spec:
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hostNetwork: true
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containers:
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- name: kube-controller-manager
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image: {{ hyperkube_image.name }}:{{ hyperkube_image.tag }}
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command:
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- /hyperkube
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- controller-manager
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- --master=http://127.0.0.1:8080
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- --service-account-private-key-file={{ kube_cert_dir }}/apiserver-key.pem
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- --root-ca-file={{ kube_cert_dir }}/ca.pem
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- --v={{ kube_log_level | default('2') }}
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livenessProbe:
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httpGet:
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host: 127.0.0.1
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path: /healthz
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port: 10252
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initialDelaySeconds: 15
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timeoutSeconds: 1
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volumeMounts:
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- mountPath: {{ kube_cert_dir }}
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name: ssl-certs-kubernetes
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readOnly: true
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- mountPath: /etc/ssl/certs
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name: ssl-certs-host
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readOnly: true
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volumes:
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- hostPath:
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path: {{ kube_cert_dir }}
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name: ssl-certs-kubernetes
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- hostPath:
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path: /usr/share/ca-certificates
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name: ssl-certs-host
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apiVersion: v1
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kind: Pod
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metadata:
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name: kube-podmaster
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namespace: kube-system
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spec:
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hostNetwork: true
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containers:
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- name: scheduler-elector
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image: gcr.io/google_containers/podmaster:1.1
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command:
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- /podmaster
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- --etcd-servers=http://127.0.0.1:2379
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- --key=scheduler
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- --source-file={{ kube_config_dir}}/kube-scheduler.manifest
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- --dest-file={{ kube_manifest_dir }}/kube-scheduler.manifest
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volumeMounts:
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- mountPath: {{ kube_config_dir }}
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name: manifest-src
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readOnly: true
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- mountPath: {{ kube_manifest_dir }}
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name: manifest-dst
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- name: controller-manager-elector
|
||||
image: gcr.io/google_containers/podmaster:1.1
|
||||
command:
|
||||
- /podmaster
|
||||
- --etcd-servers=http://127.0.0.1:2379
|
||||
- --key=controller
|
||||
- --source-file={{ kube_config_dir }}/kube-controller-manager.manifest
|
||||
- --dest-file={{ kube_manifest_dir }}/kube-controller-manager.manifest
|
||||
terminationMessagePath: /dev/termination-log
|
||||
volumeMounts:
|
||||
- mountPath: {{ kube_config_dir }}
|
||||
name: manifest-src
|
||||
readOnly: true
|
||||
- mountPath: {{ kube_manifest_dir }}
|
||||
name: manifest-dst
|
||||
volumes:
|
||||
- hostPath:
|
||||
path: {{ kube_config_dir }}
|
||||
name: manifest-src
|
||||
- hostPath:
|
||||
path: {{ kube_manifest_dir }}
|
||||
name: manifest-dst
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
apiVersion: v1
|
||||
kind: Pod
|
||||
metadata:
|
||||
name: kube-scheduler
|
||||
namespace: kube-system
|
||||
spec:
|
||||
hostNetwork: true
|
||||
containers:
|
||||
- name: kube-scheduler
|
||||
image: {{ hyperkube_image.name }}:{{ hyperkube_image.tag }}
|
||||
command:
|
||||
- /hyperkube
|
||||
- scheduler
|
||||
- --master=http://127.0.0.1:8080
|
||||
- --v={{ kube_log_level | default('2') }}
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
host: 127.0.0.1
|
||||
path: /healthz
|
||||
port: 10251
|
||||
initialDelaySeconds: 15
|
||||
timeoutSeconds: 1
|
||||
|
|
@ -1,8 +0,0 @@
|
|||
###
|
||||
# kubernetes proxy config
|
||||
|
||||
# default config should be adequate
|
||||
|
||||
# Add your own!
|
||||
[Service]
|
||||
Environment="KUBE_PROXY_ARGS=--kubeconfig={{ kube_config_dir }}/proxy.kubeconfig --proxy-mode={{kube_proxy_mode}}"
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
apiVersion: v1
|
||||
kind: Config
|
||||
current-context: proxy-to-{{ cluster_name }}
|
||||
preferences: {}
|
||||
contexts:
|
||||
- context:
|
||||
cluster: {{ cluster_name }}
|
||||
user: proxy
|
||||
name: proxy-to-{{ cluster_name }}
|
||||
clusters:
|
||||
- cluster:
|
||||
certificate-authority: {{ kube_cert_dir }}/ca.crt
|
||||
server: http://{{ groups['kube-master'][0] }}:{{kube_master_insecure_port}}
|
||||
name: {{ cluster_name }}
|
||||
users:
|
||||
- name: proxy
|
||||
user:
|
||||
token: {{ proxy_token }}
|
||||
|
|
@ -1,7 +0,0 @@
|
|||
###
|
||||
# kubernetes scheduler config
|
||||
|
||||
# default config should be adequate
|
||||
|
||||
# Add your own!
|
||||
KUBE_SCHEDULER_ARGS="--kubeconfig={{ kube_config_dir }}/scheduler.kubeconfig"
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
apiVersion: v1
|
||||
kind: Config
|
||||
current-context: scheduler-to-{{ cluster_name }}
|
||||
preferences: {}
|
||||
clusters:
|
||||
- cluster:
|
||||
certificate-authority: {{ kube_cert_dir }}/ca.crt
|
||||
server: https://{{ groups['kube-master'][0] }}:{{ kube_master_port }}
|
||||
name: {{ cluster_name }}
|
||||
contexts:
|
||||
- context:
|
||||
cluster: {{ cluster_name }}
|
||||
user: scheduler
|
||||
name: scheduler-to-{{ cluster_name }}
|
||||
users:
|
||||
- name: scheduler
|
||||
user:
|
||||
token: {{ scheduler_token }}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
[Unit]
|
||||
Description=Kubernetes API Server
|
||||
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
|
||||
Requires=etcd2.service
|
||||
After=etcd2.service
|
||||
|
||||
[Service]
|
||||
EnvironmentFile=/etc/network-environment
|
||||
EnvironmentFile=-/etc/kubernetes/config
|
||||
EnvironmentFile=-/etc/kubernetes/apiserver
|
||||
User=kube
|
||||
ExecStart={{ bin_dir }}/kube-apiserver \
|
||||
$KUBE_LOGTOSTDERR \
|
||||
$KUBE_LOG_LEVEL \
|
||||
$KUBE_ETCD_SERVERS \
|
||||
$KUBE_API_ADDRESS \
|
||||
$KUBE_API_PORT \
|
||||
$KUBELET_PORT \
|
||||
$KUBE_ALLOW_PRIV \
|
||||
$KUBE_SERVICE_ADDRESSES \
|
||||
$KUBE_ADMISSION_CONTROL \
|
||||
$KUBE_RUNTIME_CONFIG \
|
||||
$KUBE_API_ARGS
|
||||
Restart=on-failure
|
||||
Type=notify
|
||||
LimitNOFILE=65536
|
||||
|
||||
[Install]
|
||||
WantedBy=multi-user.target
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
[Unit]
|
||||
Description=Kubernetes Controller Manager
|
||||
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
|
||||
Requires=etcd2.service
|
||||
After=etcd2.service
|
||||
|
||||
[Service]
|
||||
EnvironmentFile=-/etc/kubernetes/config
|
||||
EnvironmentFile=-/etc/kubernetes/controller-manager
|
||||
User=kube
|
||||
ExecStart={{ bin_dir }}/kube-controller-manager \
|
||||
$KUBE_LOGTOSTDERR \
|
||||
$KUBE_LOG_LEVEL \
|
||||
$KUBE_MASTER \
|
||||
$KUBE_CONTROLLER_MANAGER_ARGS
|
||||
Restart=on-failure
|
||||
LimitNOFILE=65536
|
||||
|
||||
[Install]
|
||||
WantedBy=multi-user.target
|
||||
|
|
@ -1,22 +0,0 @@
|
|||
[Unit]
|
||||
Description=Kubernetes Kube-Proxy Server
|
||||
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
|
||||
{% if kube_network_plugin is defined and kube_network_plugin == "calico" %}
|
||||
After=docker.service calico-node.service
|
||||
{% else %}
|
||||
After=docker.service
|
||||
{% endif %}
|
||||
|
||||
[Service]
|
||||
EnvironmentFile=/etc/kubernetes/config
|
||||
EnvironmentFile=/etc/network-environment
|
||||
ExecStart={{ bin_dir }}/kube-proxy \
|
||||
$KUBE_LOGTOSTDERR \
|
||||
$KUBE_LOG_LEVEL \
|
||||
$KUBE_MASTER \
|
||||
$KUBE_PROXY_ARGS
|
||||
Restart=on-failure
|
||||
LimitNOFILE=65536
|
||||
|
||||
[Install]
|
||||
WantedBy=multi-user.target
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
[Unit]
|
||||
Description=Kubernetes Scheduler Plugin
|
||||
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
|
||||
Requires=etcd2.service
|
||||
After=etcd2.service
|
||||
|
||||
[Service]
|
||||
EnvironmentFile=-/etc/kubernetes/config
|
||||
EnvironmentFile=-/etc/kubernetes/scheduler
|
||||
User=kube
|
||||
ExecStart={{ bin_dir }}/kube-scheduler \
|
||||
$KUBE_LOGTOSTDERR \
|
||||
$KUBE_LOG_LEVEL \
|
||||
$KUBE_MASTER \
|
||||
$KUBE_SCHEDULER_ARGS
|
||||
Restart=on-failure
|
||||
LimitNOFILE=65536
|
||||
|
||||
[Install]
|
||||
WantedBy=multi-user.target
|
||||
Loading…
Reference in a new issue