From fb3dc93b31bf4d248d532782c452c452f45697b2 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sun, 23 Apr 2023 14:52:01 +0200
Subject: now that prometheus exporter registering is done differently
 prometheus/ca is not needed as separate role any more

---
 roles/monitoring/prometheus/server/tasks/tls.yml | 47 ++++++++++++++++++++++--
 1 file changed, 43 insertions(+), 4 deletions(-)

(limited to 'roles/monitoring/prometheus/server/tasks/tls.yml')

diff --git a/roles/monitoring/prometheus/server/tasks/tls.yml b/roles/monitoring/prometheus/server/tasks/tls.yml
index 940c69b1..45990f9a 100644
--- a/roles/monitoring/prometheus/server/tasks/tls.yml
+++ b/roles/monitoring/prometheus/server/tasks/tls.yml
@@ -9,6 +9,49 @@
     path: /etc/ssl/prometheus
     state: directory
 
+- name: create CA directory
+  file:
+    path: /etc/ssl/prometheus/ca
+    state: directory
+    owner: root
+    group: root
+    mode: 0700
+
+- name: create CA private key
+  openssl_privatekey:
+    path: /etc/ssl/prometheus/ca/key.pem
+    type: RSA
+    size: 4096
+    owner: root
+    group: root
+    mode: 0600
+
+- name: create signing request for CA certificate
+  openssl_csr:
+    path: /etc/ssl/prometheus/ca/csr.pem
+    privatekey_path: /etc/ssl/prometheus/ca/key.pem
+    CN: "CA for prometheus zone {{ prometheus_zone_name }}"
+    useCommonNameForSAN: no
+    key_usage:
+    - cRLSign
+    - keyCertSign
+    key_usage_critical: yes
+    basic_constraints:
+    - 'CA:TRUE'
+    - 'pathlen:0'
+    basic_constraints_critical: yes
+
+- name: create self-signed CA certificate
+  openssl_certificate:
+    path: /etc/ssl/prometheus/ca-crt.pem
+    csr_path: /etc/ssl/prometheus/ca/csr.pem
+    privatekey_path: /etc/ssl/prometheus/ca/key.pem
+    provider: selfsigned
+    selfsigned_digest: sha256
+    selfsigned_not_after: "+18250d" ## 50 years
+    selfsigned_create_subject_key_identifier: always_create
+
+
 - name: create server cert/key directory
   file:
     path: /etc/ssl/prometheus/server
@@ -45,8 +88,6 @@
     - 'CA:FALSE'
     basic_constraints_critical: yes
 
-## TODO: install /etc/ssl/prometheus/ca-crt.pem from CA host
-
 - name: check if scrape-client certificate exists
   stat:
     path: /etc/ssl/prometheus/server/scrape-crt.pem
@@ -60,8 +101,6 @@
       ten_years: '+3650d'
   register: prometheus_server_scrape_client_cert_info
 
-## TODO: implement remote signing?
-
 - name: create scrape-client certificate
   openssl_certificate:
     path: /etc/ssl/prometheus/server/scrape-crt.pem
-- 
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