276 lines
7.2 KiB
YAML
276 lines
7.2 KiB
YAML
---
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- name: Install Containerd
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include_role:
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name: containerd
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when:
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- kubernetes_cri == "containerd"
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#register: kubernetes_cri_changed
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- name: Install CRI-O
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include_role:
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name: cri-o
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when:
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- kubernetes_cri == "cri-o"
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#register: kubernetes_cri_changed
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#- name: Restart kubelet after kubernetes cri installation
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# service:
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# name: kubelet
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# status: restarted
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# when:
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# - kubernetes_cri_changed is changed
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- name: Disable SWAP since kubernetes can't work with swap enabled (1/2)
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command: swapoff -a
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- name: Remove swapfile from /etc/fstab (2/2)
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mount:
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name: swap
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fstype: swap
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state: absent
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- name: Configuring IPVS kernel module to be load on boot
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template:
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src: "etc/modules-load.d/ipvs.conf.j2"
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dest: "/etc/modules-load.d/ipvs.conf"
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group: root
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owner: root
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mode: 0644
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when:
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- kubernetes_kubeproxy_mode == "ipvs"
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- name: Load IPVS kernel module
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modprobe:
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name: "{{ item }}"
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state: present
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with_items:
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- ip_vs
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- ip_vs_rr
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- ip_vs_wrr
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- ip_vs_sh
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- nf_conntrack_ipv4
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- nf_conntrack_ipv6
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when:
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- kubernetes_kubeproxy_mode == "ipvs"
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- name: Ensuring /etc/systemd/system/kubelet.service.d Folder Exists
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file:
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path: "/etc/systemd/system/kubelet.service.d"
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state: "directory"
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group: root
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owner: root
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mode: 0755
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when:
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- ansible_service_mgr == "systemd"
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- name: Configure kubelet service
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template:
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src: "etc/{{ item }}.j2"
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dest: "/etc/{{ item }}"
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group: root
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owner: root
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mode: 0644
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with_items:
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- "systemd/system/kubelet.service.d/0-kubelet-extra-args.conf"
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# - "sysconfig/kubelet"
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when:
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- ansible_service_mgr == "systemd"
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- name: Configure kubelet service
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template:
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src: "etc/{{ item }}.j2"
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dest: "/etc/{{ item }}"
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group: root
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owner: root
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mode: 0644
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with_items:
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- "sysconfig/kubelet"
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when:
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- not ansible_service_mgr == "systemd"
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- name: Enable kubelet on 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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# Install API loadbalancer
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- include_tasks: "load_balancer.yml"
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when:
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- kubernetes_master|bool
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- groups['KubernetesMasters'] | length > 1
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- name: Check if /etc/kubernetes/admin.conf already existe
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stat:
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path: /etc/kubernetes/admin.conf
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register: st
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changed_when: False
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- name: Create KubernetesMasterConfigured group
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group_by:
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key: KubernetesMasterConfigured
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when:
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- st.stat.exists
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- name: Retreive kubeadm Major version
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shell: set -o pipefail && kubeadm version | sed 's/.*{Major:"\([0-9]\)".*/\1/'
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register: kubeadm_version_major
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changed_when: False
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- name: Retreive kubeadm Minor version
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shell: set -o pipefail && kubeadm version | sed -e 's/.* Minor:"\([0-9]*\)".*/\1/'
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register: kubeadm_version_minor
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changed_when: False
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- name: Defined a default lb_kubemaster
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set_fact:
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lb_kubemaster: "{{ groups['KubernetesMasters'][0] }}"
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when:
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- lb_kubemaster is undefined
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# - groups['KubernetesMasters'] | length > 1
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changed_when: False
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- name: Secure etcd directory
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file:
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path: "/var/lib/etcd"
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state: directory
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owner: root
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group: root
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mode: 0700
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when:
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- kubernetes_master|bool
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- name: Deploy initial kubeadm config
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template:
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src: kubeadm-config.yaml.j2
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dest: /root/kubeadm-config.yaml
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owner: root
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group: root
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mode: 0600
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when:
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- groups['KubernetesMasterConfigured'] is not defined
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- groups['KubernetesMasters'][0] == ansible_hostname
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- kubeadm_version_major.stdout | int == 1
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- kubeadm_version_minor.stdout | int >= 15
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- name: Init Kubernetes on {{ groups['KubernetesMasters'][0] }}
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command: kubeadm init --config=/root/kubeadm-config.yaml
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when:
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- groups['KubernetesMasterConfigured'] is not defined
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- groups['KubernetesMasters'][0] == ansible_hostname
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- kubeadm_version_major.stdout | int == 1
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- kubeadm_version_minor.stdout | int >= 15
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- name: Add {{ ansible_hostname }} to KubernetesMasterConfigured group
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group_by:
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key: KubernetesMasterConfigured
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when:
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- groups['KubernetesMasterConfigured'] is not defined
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- groups['KubernetesMasters'][0] == ansible_hostname
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- name: Test if server node already included
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command: kubectl --kubeconfig=/etc/kubernetes/admin.conf get nodes {{ ansible_hostname | lower }}
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delegate_to: "{{ lb_kubemaster }}"
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register: server_enrolled
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changed_when: False
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ignore_errors: yes
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#- name: Deploy kubeadm config
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# template:
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# src: kubeadm-config.yaml.j2
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# dest: /root/kubeadm-config.yaml
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# owner: root
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# group: root
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# mode: 600
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# when:
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# - not groups['KubernetesMasters'][0] == ansible_hostname
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# - kubeadm_version_major.stdout | int == 1
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# - kubeadm_version_minor.stdout | int >= 15
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# - server_enrolled.rc == 1
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- name: Retreive certificats key on {{ lb_kubemaster }}
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shell: set -o pipefail && kubeadm init phase upload-certs --upload-certs | grep -v upload-certs
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register: kubernetes_certificateKey
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delegate_to: "{{ lb_kubemaster }}"
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when:
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- server_enrolled.rc == 1
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- kubernetes_master|bool
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- kubeadm_version_major.stdout | int == 1
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- kubeadm_version_minor.stdout | int >= 15
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- name: Retreive token on "{{ lb_kubemaster }}"
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command: kubeadm token create
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register: kubetoken
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delegate_to: "{{ lb_kubemaster }}"
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when:
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- server_enrolled.rc == 1
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- name: Retreive hash certificat
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shell: set -o pipefail && openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'
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register: cacerthash
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delegate_to: "{{ lb_kubemaster }}"
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when:
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- server_enrolled.rc == 1
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- name: Deploy kubeadm config
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template:
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src: kubeadm-config.yaml.j2
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dest: /root/kubeadm-config.yaml
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owner: root
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group: root
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mode: 0600
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when:
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- server_enrolled.rc == 1
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- name: Join '{{ ansible_hostname }}' to Kubernetes cluster
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command: kubeadm join --config=/root/kubeadm-config.yaml
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when:
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- kubeadm_version_major.stdout | int == 1
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- kubeadm_version_minor.stdout | int >= 15
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- server_enrolled.rc == 1
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- name: Check if a node is still tainted
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command: kubectl --kubeconfig=/etc/kubernetes/admin.conf get nodes '{{ ansible_hostname | lower }}' -o jsonpath='{.spec.taints}'
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when: kubernetes_master_taint
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register: current_taint
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- name: taint the machine if needed
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# command: kubectl --kubeconfig=/etc/kubernetes/admin.conf taint nodes --all node-role.kubernetes.io/master-
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command: kubectl --kubeconfig=/etc/kubernetes/admin.conf taint nodes '{{ ansible_hostname | lower }}' node-role.kubernetes.io/master-
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when: kubernetes_master_taint|bool and current_taint.stdout
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#
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# At this point, we have a kubernetes up and running, but ready for it
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#
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- name: Make /root/.kube directory
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file:
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path: "/root/.kube"
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owner: root
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group: root
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mode: 0700
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state: directory
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when:
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- kubernetes_master|bool
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- name: Copy certificat file on
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copy:
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src: /etc/kubernetes/admin.conf
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dest: /root/.kube/config
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remote_src: yes
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owner: root
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group: root
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mode: 0600
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when:
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- kubernetes_master|bool
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#
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# Manque autoconfig de .kube/config local
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#
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#- name: Fetching CA certificat
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# copy:
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# src: /etc/kubernetes/pki/ca.crt
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# dest: /root/.kube/{{ kubernetes_cluster_name }}/ca.crt
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# when:
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# - kubernetes_master|bigip_pool
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