Improve certificate generation
1. Generate root CA 2. Generate wildcard CSR 3. Sign wildcard CSR with root CA 4. Install root CA system-wide
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@ -8,6 +8,7 @@ homelab.
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* completely managed by Ansible
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* containerised
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* configurable
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* automatic SSL certificates via `openssl`
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=== Containers
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@ -5,20 +5,51 @@
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mode: '0755'
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loop:
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- "{{ nginx_confd_folder }}"
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- name: generate certificates
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- name: generate root ca
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command: openssl req \
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-x509 \
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-sha256 \
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-newkey rsa:2048 \
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-keyout "{{ data_folder }}/nginx/{{ base_domain }}".key \
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-subj "/C=CZ/L=Prague/CN=*.{{ base_domain }}/emailAddress={{ admin_email }}"
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-out "{{ data_folder }}/nginx/{{ base_domain }}".crt \
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-days 3650 \
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-nodes \
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-x509 \
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-new \
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-nodes \
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-newkey rsa:2048 \
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-keyout "{{ data_folder }}/nginx/rootca.key" \
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-out "{{ data_folder }}/nginx/rootca.pem" \
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-sha256 \
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-days 3650 \
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-subj "/C=CZ/L=Prague/CN=Homelab/emailAddress={{ admin_email }}"
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args:
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creates: rootca.*
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- name: generate wildcard csr
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command: openssl req \
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-new \
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-nodes \
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-newkey rsa:2048 \
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-keyout "{{ data_folder }}/nginx/{{ base_domain }}.key" \
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-out "{{ data_folder }}/nginx/{{ base_domain }}.csr" \
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-subj "/C=CZ/L=Prague/CN=*.{{ base_domain }}/emailAddress={{ admin_email }}"
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args:
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creates: "{{ data_folder }}/nginx/{{ base_domain }}.*"
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- name: sign wildcard csr with root ca
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command: openssl x509 \
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-req \
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-in "{{ data_folder }}/nginx/{{ base_domain }}.csr" \
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-CA "{{ data_folder }}/nginx/rootca.pem" \
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-CAkey "{{ data_folder }}/nginx/rootca.key" \
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-CAcreateserial \
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-out "{{ data_folder }}/nginx/{{ base_domain }}.crt" \
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-days 3650 \
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-sha256
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args:
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creates: "{{ data_folder }}/nginx/{{ base_domain }}.crt"
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- name: install root ca
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command: trust anchor "{{ data_folder }}/nginx/rootca.pem"
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args:
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creates: /etc/ca-certificates/extracted/cadir/Homelab*
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become: yes
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- name: copy certificates
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copy:
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src: "{{ item }}"
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dest: "{{ data_folder }}/nginx"
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mode: '0755'
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loop:
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- "{{ data_folder }}/nginx/{{ base_domain }}.key"
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- "{{ data_folder }}/nginx/{{ base_domain }}.crt"
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