fix(config): cope with aberrant service names

prometheus/config/args/clean.sls

@@ -46,9 +46,17 @@ prometheus-config-args-{{ name }}-all:
 
             {%- elif grains.os_family != 'FreeBSD' %}
 
+                {%- set args_file = prometheus.pkg.get(name, {}).get('args_file', False) %}
+                {%- if not args_file %}
+                    {%- set args_file = prometheus.dir.args | path_join(name) %}
+                    {%- if not grains.os_family in ['Debian'] %}
+                        {%- set args_file = "{}.sh".format(args_file) %}
+                    {%- endif %}
+                {%- endif %}
+
 prometheus-config-args-{{ name }}-file-absent:
   file.absent:
-    - name: {{ prometheus.dir.args }}/{{ name }}.sh
+    - name: {{ args_file }}
     - require:
       - service: prometheus-service-clean-{{ name }}-service-dead
     - require_in:

prometheus/config/args/install.sls

@@ -94,9 +94,17 @@ prometheus-config-args-{{ name }}-all:
 
             {%- elif grains.os_family != 'FreeBSD' %}
 
+                {%- set args_file = prometheus.pkg.get(name, {}).get('args_file', False) %}
+                {%- if not args_file %}
+                    {%- set args_file = prometheus.dir.args | path_join(name) %}
+                    {%- if not grains.os_family in ['Debian'] %}
+                        {%- set args_file = "{}.sh".format(args_file) %}
+                    {%- endif %}
+                {%- endif %}
+
 prometheus-config-args-{{ name }}-file-managed:
   file.managed:
-    - name: {{ prometheus.dir.args }}/{{ name }}.sh
+    - name: {{ args_file }}
     - contents: |
         ARGS="{{ concat_args(args) }}"
     - watch_in:

prometheus/osfamilymap.yaml

@@ -10,7 +10,14 @@
 # you will need to provide at least an empty dict in this file, e.g.
 # osfamilymap: {}
 ---
-Debian: {}
+Debian:
+  pkg:
+    node_exporter:
+      name: prometheus-node-exporter
+      args_file: /etc/default/prometheus-node-exporter
+  service:
+    node_exporter:
+      name: prometheus-node-exporter
 
 RedHat:
   pkg:

prometheus/service/clean.sls

@@ -8,12 +8,17 @@
     {%- for name in prometheus.wanted %}
        {%- if name in prometheus.service %}
 
+            {%- set service_name = prometheus.service.get(name, {}).get('name', False) %}
+            {%- if not service_name %}
+                {%- set service_name = name %}
+            {%- endif %}
+
 prometheus-service-clean-{{ name }}-service-dead:
   service.dead:
     - name: {{ name }}
     - enable: False
             {%- if grains.kernel|lower == 'linux' %}
-    - onlyif: systemctl list-unit-files | grep {{ name }} >/dev/null 2>&1
+    - onlyif: systemctl list-units | grep {{ service_name }} >/dev/null 2>&1
             {%- endif %}
   file.absent:
     - name: {{ prometheus.dir.service }}/{{ name }}.service

prometheus/service/running.sls

@@ -23,20 +23,26 @@ prometheus-config-file-var-file-directory:
 
     {%- for name in prometheus.wanted %}
         {%- if name in prometheus.service %}
+
+            {%- set service_name = prometheus.service.get(name, {}).get('name', False) %}
+            {%- if not service_name %}
+                {%- set service_name = name %}
+            {%- endif %}
+
             {%- if grains.kernel|lower == 'linux' %}
 
 prometheus-service-running-{{ name }}-service-unmasked:
   service.unmasked:
-    - name: {{ name }}
+    - name: {{ service_name }}
     - require:
       - file: prometheus-config-file-var-file-directory
     - onlyif:
-       -  systemctl list-unit-files | grep {{ name }} >/dev/null 2>&1
+       -  systemctl list-units | grep {{ service_name }} >/dev/null 2>&1
             {%- endif %}
 
 prometheus-service-running-{{ name }}-service-running:
   service.running:
-    - name: {{ name }}
+    - name: {{ service_name }}
     - enable: True
             {%- if name in prometheus.config %}
     - watch:
@@ -46,7 +52,7 @@ prometheus-service-running-{{ name }}-service-running:
       - file: prometheus-config-file-var-file-directory
             {%- if grains.kernel|lower == 'linux' %}
       - service: prometheus-service-running-{{ name }}-service-unmasked
-    - onlyif: systemctl list-unit-files | grep {{ name }} >/dev/null 2>&1
+    - onlyif: systemctl list-units | grep {{ service_name }} >/dev/null 2>&1
             {%- endif %}
 
         {%- endif %}

test/integration/default/controls/environ_spec.rb

@@ -1,7 +1,14 @@
 control 'prometheus configuration environment' do
   title 'should match desired lines'
 
-  describe file('/etc/default/prometheus.sh') do
+  args_file = case os[:family]
+  when 'debian'
+    '/etc/default/prometheus'
+  else
+    '/etc/default/prometheus.sh'
+  end
+
+  describe file(args_file) do
     it { should be_file }
     it { should be_owned_by 'root' }
     it { should be_grouped_into 'root' }