mirror of
https://github.com/geerlingguy/ansible-role-kubernetes.git
synced 2024-11-18 19:10:39 +01:00
92 lines
3.0 KiB
YAML
92 lines
3.0 KiB
YAML
---
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- include_tasks: setup-RedHat.yml
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when: ansible_os_family == 'RedHat'
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- include_tasks: setup-Debian.yml
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when: ansible_os_family == 'Debian'
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- name: Ensure depdencies are installed.
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package: name=curl state=present
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- name: Install Kubernetes packages.
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package:
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name: "{{ item.name | default(item) }}"
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state: "{{ item.state | default('present') }}"
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notify: restart kubelet
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with_items: "{{ kubernetes_packages }}"
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- name: Configure KUBELET_EXTRA_ARGS.
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lineinfile:
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path: /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
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line: 'Environment="KUBELET_EXTRA_ARGS={{ kubernetes_kubelet_extra_args }}"'
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regexp: 'Environment="KUBELET_EXTRA_ARGS='
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insertafter: '^Environment='
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state: present
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notify: restart kubelet
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- name: Ensure kubelet is started and enabled at boot.
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service:
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name: kubelet
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state: started
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enabled: yes
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- name: Check if Kubernetes has already been initialized.
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stat:
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path: /etc/kubernetes/admin.conf
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register: kubernetes_init_stat
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- name: Initialize the Kubernetes master with kubeadm init.
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command: >
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kubeadm init
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--pod-network-cidr={{ kubernetes_pod_network_cidr }}
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--apiserver-advertise-address={{ ansible_default_ipv4.address }}
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--kubernetes-version {{ kubernetes_version }}
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--ignore-preflight-errors={{ kubernetes_ignore_preflight_errors }}
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register: kubeadmin_init
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failed_when: False
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when: kubernetes_init_stat.stat.exists == False
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- name: Print the init output to screen.
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debug: var=kubeadmin_init.stdout
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when: kubernetes_init_stat.stat.exists == False
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- name: Ensure .kube directory exists.
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file:
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path: ~/.kube
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state: directory
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- name: Symlink the kubectl admin.conf to ~/.kube/conf.
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file:
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src: /etc/kubernetes/admin.conf
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dest: ~/.kube/config
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state: link
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- name: Configure Flannel networking.
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command: "{{ item }}"
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with_items:
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- kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
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- kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/k8s-manifests/kube-flannel-rbac.yml
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register: flannel_result
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changed_when: "'created' in flannel_result.stdout"
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# TODO: Check if taint exists with something like `kubectl describe nodes`
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# instead of using kubernetes_init_stat.stat.exists check.
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- name: Allow pods on master node (if configured).
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command: "kubectl taint nodes --all node-role.kubernetes.io/master-"
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when:
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- kubernetes_allow_pods_on_master
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- kubernetes_init_stat.stat.exists == False
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- name: Check if Kubernetes Dashboard UI service already exists.
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shell: kubectl get services --namespace kube-system | grep -q kubernetes-dashboard
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changed_when: False
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failed_when: False
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register: kubernetes_dashboard_service
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when: kubernetes_enable_web_ui
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- name: Enable the Kubernetes Web Dashboard UI (if configured).
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command: "kubectl create -f https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml"
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when:
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- kubernetes_enable_web_ui
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- kubernetes_dashboard_service is failed
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