Set JAVA_HOME environment variable for Keycloak service (#293)

Fixes #285

manifests/init.pp

@@ -26,7 +26,8 @@
 # @param java_package
 # Java package name, only used when `java_declare_method` is `class`
 # @param java_home
-# Java home path, only used when `java_declare_method` is `class`
+# Java home path. This value is used when `java_declare_method` is `class`
+# as well as to set JAVA_HOME environment variable for the Keycloak service.
 # @param java_alternative_path
 # Java alternative path, only used when `java_declare_method` is `class`
 # @param java_alternative

spec/classes/init_spec.rb

@@ -183,6 +183,16 @@
  )
  end
  end
+
+ context 'when java_home defined' do
+ let(:params) { { java_home: '/foo' } }
+
+ it do
+ is_expected.to contain_systemd__unit_file('keycloak.service').with(
+ content: %r{Environment='JAVA_HOME=/foo'},
+ )
+ end
+ end
  end
  end
  end

templates/keycloak.service.erb

@@ -17,6 +17,7 @@ Environment='JAVA_OPTS_APPEND=<%= scope['keycloak::java_opts'].join(' ') %>'
 Environment='JAVA_OPTS_APPEND=<%= scope['keycloak::java_opts'] %>'
  <%- end -%>
 <% end -%>
+Environment='JAVA_HOME=<%= scope['keycloak::java_home'] %>'
 User=<%= scope['keycloak::user'] %>
 Group=<%= scope['keycloak::group'] %>
 ExecStart=<%= scope['keycloak::service_start_cmd'] %>