test(packages): check when using repo or archives

test/integration/repo/controls/packages_spec.rb

@@ -1,9 +1,26 @@
 # frozen_string_literal: true
 
-control 'prometheus package' do
+case platform[:family]
+when 'redhat'
+  packages = %w[
+    prometheus2
+    alertmanager
+    node_exporter
+  ]
+when 'debian'
+  packages = %w[
+    prometheus
+    prometheus-alertmanager
+    prometheus-node-exporter
+  ]
+end
+
+control 'prometheus packages' do
   title 'should be installed'
 
-  describe package('prometheus2') do
-    it { should be_installed }
+  packages.each do |p|
+    describe package(p) do
+      it { should be_installed }
+    end
   end
 end

test/integration/repo/controls/repositories_spec.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+control 'repositories' do
+  impact 0.6
+  title 'Configure the repositories'
+  desc '
+    Configure the Debian/RedHat repositories for the supported platforms.
+  '
+  tag 'repositories', 'apt', 'yum'
+  ref 'Prometheus prerequisites - Section: Prometheus package repositories', url: 'https://prometheus.io/download'
+
+  case os[:family]
+  when 'debian'
+    describe file('/etc/apt/sources.list.d/prometheus.list') do
+      it { should_not exist }
+    end
+  when 'redhat', 'centos'
+    describe yum.repo('prometheus') do
+      it { should exist }
+      it { should be_enabled }
+    end
+  end
+end

test/salt/pillar/repo.sls

@@ -9,8 +9,9 @@ prometheus:
       - rust
     component:
       - prometheus
-      - alertmanager          # not in debian repo, only archive
+      - alertmanager
       - node_exporter
+      - blackbox_exporter
       # - memcached_exporter  # not in upstream repo, only archive
 
   exporters:
@@ -29,7 +30,7 @@ prometheus:
           smartctl: /usr/sbin/smartctl
 
   pkg:
-    use_upstream_repo: true
+    use_upstream_repo: {{ false if grains.os_family|lower in ('debian',) else true }}
     use_upstream_archive: false
 
     clientlibs: