diff --git a/aptly/server/mirror/debian/aptly.yml b/aptly/server/mirror/debian/aptly.yml
index 48a176e..d4e4a61 100644
--- a/aptly/server/mirror/debian/aptly.yml
+++ b/aptly/server/mirror/debian/aptly.yml
@@ -1,14 +1,19 @@
 parameters:
+  _param:
+    mirror_aptly_source: http://repo.aptly.info/
+    mirror_aptly_distribution: squeeze
+    mirror_aptly_components: main
+    mirrot_aptly_gpgkeys:
+      - 9C7DE460
   aptly:
     server:
       mirror:
         aptly:
-          source: http://repo.aptly.info/
-          distribution: squeeze
-          components: main
+          source: ${_param:mirror_aptly_source}
+          distribution: ${_param:mirror_aptly_distribution}
+          components: ${_param:mirror_aptly_components}
           architectures: amd64
-          gpgkeys:
-            - 9C7DE460
+          gpgkeys: ${_param:mirror_aptly_gpgkeys}
           publisher:
             component: extra
             distributions:
diff --git a/aptly/server/mirror/debian/cassandra.yml b/aptly/server/mirror/debian/cassandra.yml
index 846df4e..3a19e84 100644
--- a/aptly/server/mirror/debian/cassandra.yml
+++ b/aptly/server/mirror/debian/cassandra.yml
@@ -1,18 +1,22 @@
 parameters:
   _param:
     apt_mk_version: stable
+    mirror_cassandra-21x_source: http://www.apache.org/dist/cassandra/debian
+    mirror_cassandra-21x_distribution: 21x
+    mirror_cassandra-21x_components: main
+    mirror_cassandra-21x_gpgkeys:
+      - F758CE318D77295D
+      - 2B5C1B00
+      - 0353B12C
   aptly:
     server:
       mirror:
         cassandra-21x:
-          source: http://www.apache.org/dist/cassandra/debian
-          distribution: 21x
-          components: main
+          source: ${_param:mirror_cassandra-21x_source}
+          distribution: ${_param:mirror_cassandra-21x_distribution}
+          components: ${_param:mirror_cassandra-21x_components}
           architectures: amd64
-          gpgkeys:
-            - F758CE318D77295D
-            - 2B5C1B00
-            - 0353B12C
+          gpgkeys: ${_param:mirror_cassandra-21x_gpgkeys}
           publisher:
             component: extra
             distributions:
diff --git a/aptly/server/mirror/debian/elasticsearch.yml b/aptly/server/mirror/debian/elasticsearch.yml
index ece60af..84a21d1 100644
--- a/aptly/server/mirror/debian/elasticsearch.yml
+++ b/aptly/server/mirror/debian/elasticsearch.yml
@@ -1,52 +1,68 @@
 parameters:
   _param:
     apt_mk_version: stable
+    mirror_elasticsearch-2x_source: http://packages.elastic.co/elasticsearch/2.x/debian
+    mirror_elasticsearch-2x_distribution: stable
+    mirror_elasticsearch-2x_components: main
+    mirror_elasticsearch-2x_gpgkeys:
+      - D88E42B4
+    mirror_kibana_source: http://packages.elasticsearch.org/kibana/4.4/debian
+    mirror_kibana_distribution: stable
+    mirror_kibana_components: main
+    mirror_kibana_gpgkeys:
+      - D88E42B4
+    mirror_kibana-46_source: http://packages.elasticsearch.org/kibana/4.6/debian
+    mirror_kibana-46_distribution: stable
+    mirror_kibana-46_components: main
+    mirror_kibana-46_gpgkeys:
+      - D88E42B4
+    mirror_elasticsearch-curator_source: http://packages.elastic.co/curator/4/debian
+    mirror_elasticsearch-curator_distribution: stable
+    mirror_elasticsearch-curator_components: main
+    mirror_elasticsearch-curator_gpgkeys:
+      - D88E42B4
   aptly:
     server:
       mirror:
         elasticsearch-2x:
-          source: http://packages.elastic.co/elasticsearch/2.x/debian
-          distribution: stable
-          components: main
+          source: ${_param:mirror_elasticsearch-2x_source}
+          distribution: ${_param:mirror_elasticsearch-2x_distribution}
+          components: ${_param:mirror_elasticsearch-2x_components}
           architectures: amd64
-          gpgkeys:
-            - D88E42B4
+          gpgkeys: ${_param:mirror_elasticsearch-2x_gpgkeys}
           publisher:
             component: elastic
             distributions:
               - trusty/${_param:apt_mk_version}
               - xenial/${_param:apt_mk_version}
         kibana:
-          source: http://packages.elasticsearch.org/kibana/4.4/debian
-          distribution: stable
-          components: main
+          source: ${_param:mirror_kibana_source}
+          distribution: ${_param:mirror_kibana_distribution}
+          components: ${_param:mirror_kibana_components}
           architectures: amd64
-          gpgkeys:
-            - D88E42B4
+          gpgkeys: ${_param:mirror_kibana_gpgkeys}
           publisher:
             component: elastic
             distributions:
               - trusty/${_param:apt_mk_version}
               - xenial/${_param:apt_mk_version}
         kibana-46:
-          source: http://packages.elasticsearch.org/kibana/4.6/debian
-          distribution: stable
-          components: main
+          source: ${_param:mirror_kibana-46_source}
+          distribution: ${_param:mirror_kibana-46_distribution}
+          components: ${_param:mirror_kibana-46_components}
           architectures: amd64
-          gpgkeys:
-            - D88E42B4
+          gpgkeys: ${_param:mirror_kibana-46_gpgkeys}
           publisher:
             component: elastic
             distributions:
               - trusty/${_param:apt_mk_version}
               - xenial/${_param:apt_mk_version}
         elasticsearch-curator:
-          source: http://packages.elastic.co/curator/4/debian
-          distribution: stable
-          components: main
+          source: ${_param:mirror_elasticsearch-curator_source}
+          distribution: ${_param:mirror_elasticsearch-curator_distribution}
+          components: ${_param:mirror_elasticsearch-curator_components}
           architectures: amd64
-          gpgkeys:
-            - D88E42B4
+          gpgkeys: ${_param:mirror_elasticsearch-curator_gpgkeys}
           publisher:
             component: elastic
             distributions:
diff --git a/aptly/server/mirror/debian/jenkins.yml b/aptly/server/mirror/debian/jenkins.yml
index f04f4d9..1392323 100644
--- a/aptly/server/mirror/debian/jenkins.yml
+++ b/aptly/server/mirror/debian/jenkins.yml
@@ -1,28 +1,37 @@
 parameters:
+  _param:
+    mirror_jenkins_source: http://pkg.jenkins-ci.org/debian/
+    mirror_jenkins_distribution: binary/
+    mirror_jenkins_components: ""
+    mirror_jenkins_gpgkeys:
+      - D50582E6
+    mirror_jenkins-debian-glue_source: http://jenkins.grml.org/debian/
+    mirror_jenkins-debian-glue_distribution: jenkins-debian-glue
+    mirror_jenkins-debian-glue_components: main
+    # TODO: this key is not uploaded to keyserver, workaround:
+    # su aptly -c 'curl http://jenkins.grml.org/debian/C525F56752D4A654.asc|gpg --no-default-keyring --keyring trustedkeys.gpg --import'
+    mirror_jenkins-debian-glue_gpgkeys:
+      - 52D4A654
   aptly:
     server:
       mirror:
         jenkins:
-          source: http://pkg.jenkins-ci.org/debian/
-          distribution: binary/
-          components: ""
+          source: ${_param:mirror_jenkins_source}
+          distribution: ${_param:mirror_jenkins_distribution}
+          components: ${_param:mirror_jenkins_components}
           architectures: amd64
-          gpgkeys:
-            - D50582E6
+          gpgkeys: ${_param:mirror_jenkins_gpgkeys}
           publisher:
             component: extra
             distributions:
               - trusty/nightly
               - xenial/nightly
         jenkins-debian-glue:
-          source: http://jenkins.grml.org/debian/
-          distribution: jenkins-debian-glue
-          components: main
+          source: ${_param:mirror_jenkins-debian-glue_source}
+          distribution: ${_param:mirror_jenkins-debian-glue_distribution}
+          components: ${_param:mirror_jenkins-debian-glue_components}
           architectures: amd64
-          # TODO: this key is not uploaded to keyserver, workaround:
-          # su aptly -c 'curl http://jenkins.grml.org/debian/C525F56752D4A654.asc|gpg --no-default-keyring --keyring trustedkeys.gpg --import'
-          gpgkeys:
-            - 52D4A654
+          gpgkeys: ${_param:mirror_jenkins-debian-glue_gpgkeys}
           publisher:
             component: extra
             distributions:
diff --git a/aptly/server/mirror/debian/sensu.yml b/aptly/server/mirror/debian/sensu.yml
index 0361538..9e2f5a1 100644
--- a/aptly/server/mirror/debian/sensu.yml
+++ b/aptly/server/mirror/debian/sensu.yml
@@ -1,18 +1,22 @@
 parameters:
   _param:
     apt_mk_version: stable
+    mirror_sensu_source: http://sensu.global.ssl.fastly.net/apt
+    mirror_sensu_distribution: sensu
+    mirror_sensu_components: main
+    mirror_sensu_gpgkeys:
+      - EB9C94BB
   aptly:
     server:
       mirror:
         sensu:
-          source: http://sensu.global.ssl.fastly.net/apt
-          distribution: sensu
-          components: main
+          source: ${_param:mirror_sensu_source}
+          distribution: ${_param:mirror_sensu_distribution}
+          components: ${_param:mirror_sensu_components}
           architectures: amd64
-          gpgkeys:
-            - EB9C94BB
+          gpgkeys: ${_param:mirror_sensu_gpgkeys}
           publisher:
             component: sensu
             distributions:
               - ubuntu-trusty/${_param:apt_mk_version}
-              - ubuntu-xenial/${_param:apt_mk_version}
+              - ubuntu-xenial/${_param:apt_mk_version}
\ No newline at end of file