1 files changed, 100 insertions, 0 deletions
diff --git a/roles/monitoring/prometheus/exporter/base/tasks/tls.yml b/roles/monitoring/prometheus/exporter/base/tasks/tls.yml
new file mode 100644
index 00000000..e34025e4
--- /dev/null
+++ b/roles/monitoring/prometheus/exporter/base/tasks/tls.yml
@@ -0,0 +1,100 @@
+---
+- name: install python-cryptoraphy
+  apt:
+    name: "{{ python_basename }}-cryptography"
+    state: present
+
+- name: create base directory
+  file:
+    path: /etc/ssl/prometheus
+    state: directory
+
+- name: create exporter cert/key directory
+  file:
+    path: /etc/ssl/prometheus/exporter
+    state: directory
+    owner: root
+    group: prometheus-exporter
+    mode: 0750
+
+- name: create exporter private key
+  openssl_privatekey:
+    path: /etc/ssl/prometheus/exporter/key.pem
+    type: RSA
+    size: 4096
+    owner: prometheus-exporter
+    group: prometheus-exporter
+    mode: 0400
+  notify: restart prometheus-exporter-exporter
+
+- name: create signing request for exporter certificate
+  openssl_csr:
+    path: /etc/ssl/prometheus/exporter/csr.pem
+    privatekey_path: /etc/ssl/prometheus/exporter/key.pem
+    CN: "{{ inventory_hostname }}"
+    subject_alt_name:
+    - "DNS:{{ host_name }}.{{ host_domain }}"
+    - "IP:{{ ansible_default_ipv4.address }}"
+    key_usage:
+    - digitalSignature
+    key_usage_critical: yes
+    extended_key_usage:
+    - serverAuth
+    extended_key_usage_critical: yes
+    basic_constraints:
+    - 'CA:FALSE'
+    basic_constraints_critical: yes
+
+- name: slurp CSR
+  slurp:
+    src: /etc/ssl/prometheus/exporter/csr.pem
+  register: prometheus_exporter_server_csr
+
+- name: check if exporter certificate exists
+  stat:
+    path: /etc/ssl/prometheus/exporter/crt.pem
+  register: prometheus_exporter_server_cert
+
+- name: read exporter client certificate validity
+  when: prometheus_exporter_server_cert.stat.exists
+  openssl_certificate_info:
+    path: /etc/ssl/prometheus/exporter/crt.pem
+    valid_at:
+      ten_years: '+3650d'
+  register: prometheus_exporter_server_cert_info
+
+- name: slurp existing exporter certificate
+  when: prometheus_exporter_server_cert.stat.exists
+  slurp:
+    src: /etc/ssl/prometheus/exporter/crt.pem
+  register: prometheus_exporter_server_cert_current
+
+- name: generate exporter certificate
+  delegate_to: "{{ prometheus_server }}"
+  community.crypto.x509_certificate_pipe:
+    content: "{{ prometheus_exporter_server_cert_current.content | default('') | b64decode }}"
+    csr_content: "{{ prometheus_exporter_server_csr.content | b64decode }}"
+    provider: ownca
+    ownca_path: /etc/ssl/prometheus/ca-crt.pem
+    ownca_privatekey_path: /etc/ssl/prometheus/ca/key.pem
+    ownca_digest: sha256
+    ownca_not_after: "+18250d" ## 50 years
+    force: "{{ prometheus_exporter_server_cert.stat.exists and (not prometheus_exporter_server_cert_info.valid_at.ten_years) }}"
+  register: prometheus_exporter_server_cert
+
+- name: store exporter certificate
+  copy:
+    content: "{{ prometheus_exporter_server_cert.certificate }}"
+    dest: /etc/ssl/prometheus/exporter/crt.pem
+  notify: restart prometheus-exporter-exporter
+
+- name: slurp CA certificate
+  delegate_to: "{{ prometheus_server }}"
+  slurp:
+    src: /etc/ssl/prometheus/ca-crt.pem
+  register: prometheus_exporter_ca_certificate
+
+- name: install CA certificate
+  copy:
+    content: "{{ prometheus_exporter_ca_certificate.content | b64decode }}"
+    dest: /etc/ssl/prometheus/ca-crt.pem