Get the actual variable instead of the group name

Author: vmcj

provision-contest/ansible/roles/grafana/templates/prometheus.yml.j2

@@ -14,7 +14,7 @@ scrape_configs:
   - job_name: node_judgehost
     basic_auth:
       username: "prometheus"
-      password: "{{ groups[group_prefix+"judgehost"][0]['PROMETHEUS_PASS'] }}"
+      password: "{{ hostvars[groups[group_prefix+"judgehost"][0]]['PROMETHEUS_PASS'] }}"
     tls_config:
       insecure_skip_verify: true
     scheme: https
@@ -41,7 +41,7 @@ scrape_configs:
   - job_name: {{ group_prefix ~ 'db' }}
     basic_auth:
       username: "prometheus"
-      password: "{{ groups[group_prefix+"domserver"][0]['PROMETHEUS_PASS'] }}"
+      password: "{{ hostvars[groups[group_prefix+"domserver"][0]]['PROMETHEUS_PASS'] }}"
     tls_config:
       insecure_skip_verify: true
     scheme: https
@@ -53,7 +53,7 @@ scrape_configs:
   - job_name: {{ group_prefix ~ 'node_domserver' }}
     basic_auth:
       username: "prometheus"
-      password: "{{ groups[group_prefix+"domserver"][0]['PROMETHEUS_PASS'] }}"
+      password: "{{ hostvars[groups[group_prefix+"domserver"][0]]['PROMETHEUS_PASS'] }}"
     tls_config:
       insecure_skip_verify: true
     scheme: https
@@ -65,7 +65,7 @@ scrape_configs:
   - job_name: {{ group_prefix ~ 'web_nginx_domserver' }}
     basic_auth:
       username: "prometheus"
-      password: "{{ groups[group_prefix+"domserver"][0]['PROMETHEUS_PASS'] }}"
+      password: "{{ hostvars[groups[group_prefix+"domserver"][0]]['PROMETHEUS_PASS'] }}"
     tls_config:
       insecure_skip_verify: true
     scheme: https
@@ -77,7 +77,7 @@ scrape_configs:
   - job_name: {{ group_prefix ~ 'web_fpm_domserver' }}
     basic_auth:
       username: "prometheus"
-      password: "{{ groups[group_prefix+"domserver"][0]['PROMETHEUS_PASS'] }}"
+      password: "{{ hostvars[groups[group_prefix+"domserver"][0]]['PROMETHEUS_PASS'] }}"
     tls_config:
       insecure_skip_verify: true
     scheme: https