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-rw-r--r--roles/monitoring/prometheus/server/tasks/tls.yml34
-rw-r--r--roles/monitoring/prometheus/server/templates/prometheus.yml.j216
2 files changed, 32 insertions, 18 deletions
diff --git a/roles/monitoring/prometheus/server/tasks/tls.yml b/roles/monitoring/prometheus/server/tasks/tls.yml
index 5c112e12..940c69b1 100644
--- a/roles/monitoring/prometheus/server/tasks/tls.yml
+++ b/roles/monitoring/prometheus/server/tasks/tls.yml
@@ -17,9 +17,9 @@
group: prometheus
mode: 0750
-- name: create private key to connect to exporter
+- name: create private key for scrape-client certificate
openssl_privatekey:
- path: /etc/ssl/prometheus/server/exporter-key.pem
+ path: /etc/ssl/prometheus/server/scrape-key.pem
type: RSA
size: 4096
owner: prometheus
@@ -27,10 +27,10 @@
mode: 0400
notify: reload prometheus
-- name: create signing request for client certificate to connect to exporter
+- name: create signing request for scrape-client certificate
openssl_csr:
- path: /etc/ssl/prometheus/server/exporter-csr.pem
- privatekey_path: /etc/ssl/prometheus/server/exporter-key.pem
+ path: /etc/ssl/prometheus/server/scrape-csr.pem
+ privatekey_path: /etc/ssl/prometheus/server/scrape-key.pem
CN: "{{ inventory_hostname }}"
subject_alt_name:
- "DNS:{{ host_name }}.{{ host_domain }}"
@@ -45,17 +45,31 @@
- '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
+ register: prometheus_server_scrape_client_cert
+
+- name: check scrape-client certificate validity
+ when: prometheus_server_scrape_client_cert.stat.exists
+ openssl_certificate_info:
+ path: /etc/ssl/prometheus/server/scrape-crt.pem
+ valid_at:
+ ten_years: '+3650d'
+ register: prometheus_server_scrape_client_cert_info
+
## TODO: implement remote signing?
-- name: create client certificate to connect to exporter
+- name: create scrape-client certificate
openssl_certificate:
- path: /etc/ssl/prometheus/server/exporter-crt.pem
- csr_path: /etc/ssl/prometheus/server/exporter-csr.pem
+ path: /etc/ssl/prometheus/server/scrape-crt.pem
+ csr_path: /etc/ssl/prometheus/server/scrape-csr.pem
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_server_scrape_client_cert.stat.exists and (not prometheus_server_scrape_client_cert_info.valid_at.ten_years) }}"
notify: reload prometheus
-
-## TODO: install /etc/ssl/prometheus/ca-crt.pem from server
diff --git a/roles/monitoring/prometheus/server/templates/prometheus.yml.j2 b/roles/monitoring/prometheus/server/templates/prometheus.yml.j2
index 5eb7c570..3975c74d 100644
--- a/roles/monitoring/prometheus/server/templates/prometheus.yml.j2
+++ b/roles/monitoring/prometheus/server/templates/prometheus.yml.j2
@@ -23,8 +23,8 @@ scrape_configs:
scheme: https
tls_config:
ca_file: /etc/ssl/prometheus/ca-crt.pem
- cert_file: /etc/ssl/prometheus/server/exporter-crt.pem
- key_file: /etc/ssl/prometheus/server/exporter-key.pem
+ cert_file: /etc/ssl/prometheus/server/scrape-crt.pem
+ key_file: /etc/ssl/prometheus/server/scrape-key.pem
file_sd_configs:
- files:
- "/etc/prometheus/jobs/{{ job }}/*.yml"
@@ -40,8 +40,8 @@ scrape_configs:
scheme: https
tls_config:
ca_file: /etc/ssl/prometheus/ca-crt.pem
- cert_file: /etc/ssl/prometheus/server/exporter-crt.pem
- key_file: /etc/ssl/prometheus/server/exporter-key.pem
+ cert_file: /etc/ssl/prometheus/server/scrape-crt.pem
+ key_file: /etc/ssl/prometheus/server/scrape-key.pem
static_configs:
- targets:
- 62.99.185.129
@@ -63,8 +63,8 @@ scrape_configs:
scheme: https
tls_config:
ca_file: /etc/ssl/prometheus/ca-crt.pem
- cert_file: /etc/ssl/prometheus/server/exporter-crt.pem
- key_file: /etc/ssl/prometheus/server/exporter-key.pem
+ cert_file: /etc/ssl/prometheus/server/scrape-crt.pem
+ key_file: /etc/ssl/prometheus/server/scrape-key.pem
static_configs:
- targets:
- web.chaos-at-home.org
@@ -85,8 +85,8 @@ scrape_configs:
scheme: https
tls_config:
ca_file: /etc/ssl/prometheus/ca-crt.pem
- cert_file: /etc/ssl/prometheus/server/exporter-crt.pem
- key_file: /etc/ssl/prometheus/server/exporter-key.pem
+ cert_file: /etc/ssl/prometheus/server/scrape-crt.pem
+ key_file: /etc/ssl/prometheus/server/scrape-key.pem
static_configs:
- targets:
- 192.168.32.230:222