228 lines
8.7 KiB
YAML
228 lines
8.7 KiB
YAML
---
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- name: "Gen_certs | Create kubernetes config directory (on {{groups['kube-master'][0]}})"
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file:
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path: "{{ kube_config_dir }}"
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state: directory
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owner: kube
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run_once: yes
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delegate_to: "{{groups['kube-master'][0]}}"
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when: gen_certs|default(false)
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tags:
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- kubelet
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- k8s-secrets
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- kube-controller-manager
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- kube-apiserver
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- apps
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- network
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- master
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- node
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- name: "Gen_certs | Create kubernetes script directory (on {{groups['kube-master'][0]}})"
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file:
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path: "{{ kube_script_dir }}"
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state: directory
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owner: kube
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run_once: yes
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delegate_to: "{{groups['kube-master'][0]}}"
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when: gen_certs|default(false)
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tags:
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- k8s-secrets
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- name: Gen_certs | write masters openssl config
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template:
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src: "openssl-master.conf.j2"
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dest: "{{ kube_config_dir }}/openssl-master.conf"
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run_once: yes
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delegate_to: "{{ groups['kube-master']|first }}"
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when: gen_certs|default(false)
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- name: Gen_certs | write nodes openssl config
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template:
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src: "openssl-node.conf.j2"
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dest: "{{ kube_config_dir }}/{{ inventory_hostname }}-openssl.conf"
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delegate_to: "{{ groups['kube-master']|first }}"
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when: gen_certs|default(false) and inventory_hostname in groups['k8s-cluster']
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- name: Gen_certs | copy certs generation script
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template:
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src: "make-ssl.sh.j2"
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dest: "{{ kube_script_dir }}/make-ssl.sh"
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mode: 0700
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run_once: yes
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delegate_to: "{{groups['kube-master'][0]}}"
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when: gen_certs|default(false)
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- name: Gen_certs | run master cert generation script
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command: "{{ kube_script_dir }}/make-ssl.sh -f {{ kube_config_dir }}/openssl-master.conf -d {{ kube_cert_dir }}"
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environment:
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- MASTERS: "{% for m in groups['kube-master'] %}
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{% if gen_master_certs|default(false) %}
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{{ m }}
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{% endif %}
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{% endfor %}"
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delegate_to: "{{ groups['kube-master']|first }}"
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run_once: true
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when: gen_certs|default(false)
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notify: set secret_changed
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- name: Gen_certs | run nodes cert generation script
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command: "{{ kube_script_dir }}/make-ssl.sh -f {{ kube_config_dir }}/{{ inventory_hostname }}-openssl.conf -d {{ kube_cert_dir }}"
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environment:
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- HOSTS: "{{ inventory_hostname }}"
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delegate_to: "{{ groups['kube-master']|first }}"
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when: gen_certs|default(false) and inventory_hostname in groups['k8s-cluster']
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notify: set secret_changed
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- set_fact:
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all_master_certs: "['ca-key.pem',
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'apiserver.pem',
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'apiserver-key.pem',
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'kube-scheduler.pem',
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'kube-scheduler-key.pem',
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'kube-controller-manager.pem',
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'kube-controller-manager-key.pem',
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'front-proxy-ca.pem',
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'front-proxy-ca-key.pem',
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'front-proxy-client.pem',
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'front-proxy-client-key.pem',
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'service-account-key.pem',
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{% for node in groups['kube-master'] %}
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'admin-{{ node }}.pem',
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'admin-{{ node }}-key.pem',
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{% endfor %}]"
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my_master_certs: ['ca-key.pem',
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'admin-{{ inventory_hostname }}.pem',
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'admin-{{ inventory_hostname }}-key.pem',
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'apiserver.pem',
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'apiserver-key.pem',
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'front-proxy-ca.pem',
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'front-proxy-ca-key.pem',
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'front-proxy-client.pem',
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'front-proxy-client-key.pem',
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'service-account-key.pem',
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'kube-scheduler.pem',
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'kube-scheduler-key.pem',
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'kube-controller-manager.pem',
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'kube-controller-manager-key.pem']
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all_node_certs: "['ca.pem',
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{% for node in groups['k8s-cluster'] %}
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'node-{{ node }}.pem',
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'node-{{ node }}-key.pem',
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'kube-proxy-{{ node }}.pem',
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'kube-proxy-{{ node }}-key.pem',
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{% endfor %}]"
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my_node_certs: ['ca.pem',
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'node-{{ inventory_hostname }}.pem',
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'node-{{ inventory_hostname }}-key.pem',
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'kube-proxy-{{ inventory_hostname }}.pem',
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'kube-proxy-{{ inventory_hostname }}-key.pem']
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tags:
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- facts
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- name: "Check certs | check if a cert already exists on node"
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find:
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paths: "{{ kube_cert_dir }}"
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patterns: "*.pem"
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get_checksum: true
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register: kubecert_node
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when: inventory_hostname != groups['kube-master'][0]
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- name: "Check_certs | Set 'sync_certs' to true on masters"
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set_fact:
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sync_certs: true
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when: inventory_hostname in groups['kube-master'] and
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inventory_hostname != groups['kube-master'][0] and
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(not item in kubecert_node.files | map(attribute='path') | map("basename") | list or
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kubecert_node.files | selectattr("path", "equalto", '%s/%s'|format(kube_cert_dir, item)) | map(attribute="checksum")|first|default('') != kubecert_master.files | selectattr("path", "equalto", '%s/%s'|format(kube_cert_dir, item)) | map(attribute="checksum")|first|default(''))
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with_items:
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- "{{ my_master_certs + all_node_certs }}"
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- name: "Check_certs | Set 'sync_certs' to true on nodes"
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set_fact:
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sync_certs: true
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when: inventory_hostname in groups['kube-node'] and
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inventory_hostname != groups['kube-master'][0] and
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(not item in kubecert_node.files | map(attribute='path') | map("basename") | list or
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kubecert_node.files | selectattr("path", "equalto", '%s/%s'|format(kube_cert_dir, item)) | map(attribute="checksum")|first|default('') != kubecert_master.files | selectattr("path", "equalto", '%s/%s'|format(kube_cert_dir, item)) | map(attribute="checksum")|first|default(''))
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with_items:
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- "{{ my_node_certs }}"
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- name: Gen_certs | Gather master certs
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shell: "tar cfz - -C {{ kube_cert_dir }} -T /dev/stdin <<< {{ my_master_certs|join(' ') }} {{ all_node_certs|join(' ') }} | base64 --wrap=0"
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args:
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executable: /bin/bash
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no_log: true
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register: master_cert_data
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check_mode: no
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delegate_to: "{{groups['kube-master'][0]}}"
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when: inventory_hostname in groups['kube-master'] and sync_certs|default(false) and
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inventory_hostname != groups['kube-master'][0]
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- name: Gen_certs | Gather node certs
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shell: "tar cfz - -C {{ kube_cert_dir }} -T /dev/stdin <<< {{ my_node_certs|join(' ') }} | base64 --wrap=0"
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args:
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executable: /bin/bash
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no_log: true
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register: node_cert_data
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check_mode: no
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delegate_to: "{{groups['kube-master'][0]}}"
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when: inventory_hostname in groups['kube-node'] and
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sync_certs|default(false) and
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inventory_hostname != groups['kube-master'][0]
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# NOTE(mattymo): Use temporary file to copy master certs because we have a ~200k
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# char limit when using shell command
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# FIXME(mattymo): Use tempfile module in ansible 2.3
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- name: Gen_certs | Prepare tempfile for unpacking certs on masters
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command: mktemp /tmp/certsXXXXX.tar.gz
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register: cert_tempfile
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when: inventory_hostname in groups['kube-master'] and sync_certs|default(false) and
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inventory_hostname != groups['kube-master'][0]
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- name: Gen_certs | Write master certs to tempfile
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copy:
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content: "{{master_cert_data.stdout}}"
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dest: "{{cert_tempfile.stdout}}"
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owner: root
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mode: "0600"
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when: inventory_hostname in groups['kube-master'] and sync_certs|default(false) and
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inventory_hostname != groups['kube-master'][0]
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- name: Gen_certs | Unpack certs on masters
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shell: "base64 -d < {{ cert_tempfile.stdout }} | tar xz -C {{ kube_cert_dir }}"
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no_log: true
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changed_when: false
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check_mode: no
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when: inventory_hostname in groups['kube-master'] and sync_certs|default(false) and
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inventory_hostname != groups['kube-master'][0]
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notify: set secret_changed
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- name: Gen_certs | Cleanup tempfile on masters
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file:
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path: "{{cert_tempfile.stdout}}"
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state: absent
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when: inventory_hostname in groups['kube-master'] and sync_certs|default(false) and
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inventory_hostname != groups['kube-master'][0]
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- name: Gen_certs | Copy certs on nodes
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shell: "base64 -d <<< '{{node_cert_data.stdout|quote}}' | tar xz -C {{ kube_cert_dir }}"
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args:
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executable: /bin/bash
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no_log: true
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changed_when: false
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check_mode: no
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when: inventory_hostname in groups['kube-node'] and
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sync_certs|default(false) and
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inventory_hostname != groups['kube-master'][0]
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notify: set secret_changed
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- name: Gen_certs | check certificate permissions
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file:
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path: "{{ kube_cert_dir }}"
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group: "{{ kube_cert_group }}"
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state: directory
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owner: kube
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mode: "u=rwX,g-rwx,o-rwx"
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recurse: yes
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