pigsty/cert.yml at main · pgsty/pigsty · GitHub

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#!/usr/bin/env ansible-playbook
---
#==============================================================#
# File      :   cert.yml
# Desc      :   Issue certificates signed by Pigsty self-signed CA
# Ctime     :   2022-11-19
# Mtime     :   2025-12-31
# Path      :   cert.yml
# Docs      :   https://pigsty.io/docs/infra/cert
# License   :   Apache-2.0 @ https://pigsty.io/docs/about/license
# Copyright :   2018-2026  Ruohang Feng / Vonng (rh@vonng.com)
#==============================================================#
# This playbook issues X.509 certificates using the Pigsty CA.
# Prerequisites: CA must exist at files/pki/ca/ (created by infra.yml)
#
# Usage:
#   ./cert.yml -e cn=<common_name>                    # basic usage
#   ./cert.yml -e cn=<name> -e expire=3650d           # custom validity
#   ./cert.yml -e cn=<name> -e key=<path> -e crt=<path>  # custom output
#
# Examples:
#   ./cert.yml -e cn=dbuser_dba           # PostgreSQL client cert
#   ./cert.yml -e cn=dbuser_monitor       # Monitor user cert
#   ./cert.yml -e cn=myapp -e '{"san":["DNS:myapp.local","IP:10.0.0.1"]}'
#
# Output:
#   files/pki/misc/<cn>.key   # Private key (mode 0600)
#   files/pki/misc/<cn>.crt   # Certificate (mode 0600)
#   files/pki/csr/<cn>.csr    # CSR file (intermediate, can be deleted)
#==============================================================#


- name: Issue Cert
  hosts: localhost
  gather_facts: no
  become: false
  vars:

    #----------------------------------------------------------#
    # Certificate Subject Information
    #----------------------------------------------------------#
    cn: pigsty                        # Common Name, REQUIRED, pass via -e cn=<name>
    san:                              # Subject Alternative Names (optional)
      - DNS:localhost                 #   - DNS names for the certificate
      - IP:127.0.0.1                  #   - IP addresses for the certificate
    org: pigsty                       # Organization name in certificate
    unit: pigsty                      # Organizational Unit name

    #----------------------------------------------------------#
    # Certificate Validity
    #----------------------------------------------------------#
    expire: 7300d                     # Validity period: 20 years by default
                                      # Use shorter period for sensitive certs
                                      # e.g., expire=365d for 1 year

    #----------------------------------------------------------#
    # Output Paths (auto-generated from cn if not specified)
    #----------------------------------------------------------#
    # key: files/pki/misc/<cn>.key    # Private key output path
    # crt: files/pki/misc/<cn>.crt    # Certificate output path
    csr: files/pki/csr/tmp.csr        # CSR path (overwritten if cn-based)


  tasks:

    #----------------------------------------------------------#
    # 1. Determine Output Paths
    #----------------------------------------------------------#
    # If key/crt not explicitly provided, derive from cn
    - name: set crt, key, csr path
      when: key is not defined and crt is not defined
      set_fact:
        key: "files/pki/misc/{{ cn }}.key"
        crt: "files/pki/misc/{{ cn }}.crt"
        csr: "files/pki/csr/{{ cn }}.csr"

    #----------------------------------------------------------#
    # 2. Generate Private Key
    #----------------------------------------------------------#
    # Creates RSA private key if not exists, mode 0600 for security
    - name: generate private key
      connection: local
      openssl_privatekey:
        path: "{{ key }}"
        mode: 0600

    #----------------------------------------------------------#
    # 3. Generate Certificate Signing Request (CSR)
    #----------------------------------------------------------#
    # CSR contains subject info and SAN, signed by private key
    - name: generate signing request
      connection: local
      openssl_csr:
        path: "{{ csr }}"
        privatekey_path: "{{ key }}"
        common_name: "{{ cn }}"
        organization_name: "{{ org }}"
        organizational_unit_name: "{{ unit }}"
        subject_alt_name: "{{ san }}"
        force: true                   # Always regenerate CSR

    #----------------------------------------------------------#
    # 4. Sign Certificate with CA
    #----------------------------------------------------------#
    # Issue certificate using Pigsty CA (files/pki/ca/ca.{key,crt})
    - name: sign certificate with CA
      connection: local
      openssl_certificate:
        path: "{{ crt }}"
        csr_path: "{{ csr }}"
        ownca_path: files/pki/ca/ca.crt
        ownca_privatekey_path: files/pki/ca/ca.key
        provider: ownca
        ownca_not_after: "+{{ expire }}"
        mode: 0600

    #----------------------------------------------------------#
    # 5. Print Result
    #----------------------------------------------------------#
    - name: print certificate paths
      debug:
        msg: "Certificate issued: {{ key }} {{ crt }}"

...