diff --git a/debmirror/mirror_mirantis_com/maas/xenial.yml b/debmirror/mirror_mirantis_com/maas/xenial.yml
new file mode 100644
index 0000000..3204fd0
--- /dev/null
+++ b/debmirror/mirror_mirantis_com/maas/xenial.yml
@@ -0,0 +1,21 @@
+parameters:
+  _param:
+    apt_mk_version: 'stable'
+    mirror_mirantis_com_maas_xenial_force: False
+    debmirror_mirrors_base_target_dir: "/srv/volumes/aptly/public/${_param:apt_mk_version}/"
+  debmirror:
+    client:
+      enabled: true
+      mirrors:
+        mirror_mirantis_com_maas_xenial:
+          force: ${_param:mirror_mirantis_com_maas_xenial_force}
+          lock_target: True
+          extra_flags: [ '--verbose', '--progress', '--nosource', '--no-check-gpg', '--rsync-extra=none' ]
+          method: "rsync"
+          arch: [ 'amd64' ]
+          mirror_host: "mirror.mirantis.com"
+          mirror_root: ":mirror/${_param:apt_mk_version}/maas/xenial/"
+          target_dir: "${_param:debmirror_mirrors_base_target_dir}/maas/xenial/"
+          log_file: "/var/log/debmirror/mirror_mirantis_com_maas_xenial.log"
+          dist: [ xenial ]
+          section: [ main ]
diff --git a/debmirror/mirror_mirantis_com/ubuntu/xenial.yml b/debmirror/mirror_mirantis_com/ubuntu/xenial.yml
index 6a38787..3ba7267 100644
--- a/debmirror/mirror_mirantis_com/ubuntu/xenial.yml
+++ b/debmirror/mirror_mirantis_com/ubuntu/xenial.yml
@@ -2,6 +2,7 @@
   _param:
     apt_mk_version: 'stable'
     mirror_mirantis_com_ubuntu_xenial_force: False
+    debmirror_mirrors_base_target_dir: "/srv/volumes/aptly/public/${_param:apt_mk_version}/"
   debmirror:
     client:
       enabled: true
@@ -15,10 +16,10 @@
           arch: [ 'amd64' ]
           mirror_host: "mirror.mirantis.com"
           mirror_root: ":mirror/${_param:apt_mk_version}/ubuntu/"
-          target_dir: "/srv/volumes/aptly/public/ubuntu/"
+          target_dir: "${_param:debmirror_mirrors_base_target_dir}/ubuntu/"
           log_file: "/var/log/debmirror/mirror_mirantis_com_ubuntu_xenial.log"
           dist: [ xenial , xenial-security, xenial-updates ]
-          section: [ main , multiverse, restricted, universe ]
+          section: [ main , restricted, universe ]
           # Don't exclude main/x11 - its required for many pkgs.
           exclude_deb_section:
           - games
diff --git a/linux/system/repo/keystorage/jenkins.yml b/linux/system/repo/keystorage/jenkins.yml
new file mode 100644
index 0000000..f50851a
--- /dev/null
+++ b/linux/system/repo/keystorage/jenkins.yml
@@ -0,0 +1,151 @@
+parameters:
+  linux:
+    system:
+      repo:
+        mcp_jenkins:
+          # pub   1024D/D50582E6 2009-02-01
+          key: |
+            -----BEGIN PGP PUBLIC KEY BLOCK-----
+            Version: GnuPG v1
+
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+            vTrGzQCgg7/WrciTjK8wtd8e/E26mU1agOMAniYHo/aFmpsSFfNp4n419EI+mCXU
+            =fBn8
+            -----END PGP PUBLIC KEY BLOCK-----
diff --git a/linux/system/repo/keystorage/maas.yml b/linux/system/repo/keystorage/maas.yml
new file mode 100644
index 0000000..cac2c27
--- /dev/null
+++ b/linux/system/repo/keystorage/maas.yml
@@ -0,0 +1,36 @@
+parameters:
+  linux:
+    system:
+      repo:
+        mcp_maas:
+          # pub   4096R/684D4A1C 2015-08-20
+          key: |
+            -----BEGIN PGP PUBLIC KEY BLOCK-----
+            Version: GnuPG v1
+
+            mQINBFXVlyMBEACqM3iz2EGJE0iE3/AAbNCnbBB25m3AWaSxJk+GJfkAAYWGqAKi
+            uWceCcetdNKNTKd8frSZFsRB7IceZr0u5sWpSYur6uoMNHzS8Y5cGdyAVrnEZtbd
+            ak652x13jlX7nrcE9g//lD0w254XW1Loyy5YOGWfUmJkGImndFWtkqd1J7SCVMMW
+            5l/nS4LwsOx/wTxL5m/cFQLi67JyJGqszKXS88oHT1YFBWPyl1VcXifFwecH/32f
+            Rr6WGpEAaxGF4dO45WGvJIQs2yiT5f9ha3tuJCbzI58t9BxiR1MMZ9AAPjdNO6JZ
+            kX2q+/uqgJg9IWNcJ4E+fCgl/hvoB3AURXHmaagH7nMb/6OA/QFSbiR3eciSJ89c
+            EkK+7d0br+p2+shO/dOV6lUrbidVVjiiTdmYlyXzuPcvPWVYmXjDzsOi0sSZZNMq
+            8G3/pAavjyGUvZtb781V1j9/8l3o5ScAPzzamT2W4rF+nCh1iHYz7+wP2XDNifE/
+            oK7fLNb0ig1G5S4PCqZHUp95LUaJrFczYCPwlERUxIC3B9a+UC3SdZmRuuSENWNs
+            YxKUlbU07GCrjxtcDhQHGQDVJDUGbqqkA4B/iKrwW3reA5fHo3yocQMX7YR6C2/Q
+            n+wn/EoEPIB1wkzAQvarnNCCdwjD5AB1VhANEFwUKMWHDEsofKOSTBYvgQARAQAB
+            tBZMYXVuY2hwYWQgUFBBIGZvciBNQUFTiQI4BBMBAgAiBQJV1ZcjAhsDBgsJCAcD
+            AgYVCAIJCgsEFgIDAQIeAQIXgAAKCRAE5/3FaE1KHDH8D/9Mdc+4tw8foj6lILCg
+            fBRi9S37tOyV2m5YvD+qRzefUYgFKXYxleO+H9cjFH2XyHIBwa15dD/Yg+DkcAKb
+            9f/a1llHNTzLkHiNVQl4tl8qeJPj2Obm53HsjhazIgh0L208GRGJxO4HSBbrBTo8
+            FNF00Cl52josZdG1mPCSDuJm1AkeY9q4WeAOnekquz2qjUa+L8J8z+HVPC9rUryE
+            NXdwCyh3TE0G0occjUAsb5oOu3bcKSbVraq+trhjp9sz7o7O4lc4+cT2gFIWl1Rp
+            1djzXH8flU/s3U1vl0RcIFEZbuqsuDWukpxozq4M5y7VKq4y5dq7Y0PbMuJ0Dvgn
+            Bn4fbboMji4LYfgn++vosZv/MXkPIg6wubxdejVdrEoFRFxCcYqW4wObY8vxrvDr
+            Mjp4HrQ2guN8OJDUYnLdVv9P1MMKDAMrDjRdy3NsBpd7GuA9hXRXBPZ8y74nIwCR
+            jEDnIz5jsws9PxZIVabieoCI6RibJMw8qpuicM97Ss2Uq5vURvTBQ3f6wYjCMsdt
+            yqjz6TVJ3zwK9NPfMhXGVrrsxBOxO382r6XXuUbTcXZTDjAkoMsBqfjidlGDGTb3
+            Un0LkZJfpXrmZehyvO/GlsoYiFDhGf+EXJzKwRUEuJlIkVEZ72OtuoUMoBrjuADR
+            lJQUW0ZbcmpOxjK1c6w08nhSvA==
+            =QeWQ
+            -----END PGP PUBLIC KEY BLOCK-----
diff --git a/linux/system/repo/keystorage/ubuntu.yml b/linux/system/repo/keystorage/ubuntu.yml
new file mode 100644
index 0000000..aaa6f88
--- /dev/null
+++ b/linux/system/repo/keystorage/ubuntu.yml
@@ -0,0 +1,86 @@
+parameters:
+  linux:
+    system:
+      repo:
+        ubuntu:
+          key: |
+            -----BEGIN PGP PUBLIC KEY BLOCK-----
+            Version: GnuPG v1
+
+            mQGiBEFEnz8RBAC7LstGsKD7McXZgd58oN68KquARLBl6rjA2vdhwl77KkPPOr3O
+            YeSBH/voUsqausJfDNuTNivOfwceDe50lbhq52ODj4Mx9Jg+4aHn9fmRkIk41i2J
+            3hZiIGPACY/FsSlRq1AhBH2wZG1lQ45W/p77AeARRehYKJP9HY+1h/uihwCgrVE2
+            VzACJLuZWHbDsPoJaNQjiFcEAKbUF1rMyjd1xJM7bZeXbs8c+ohUo/ywSI/OIr8n
+            OfUswy08tsCof1KU0JBGLBCn0lHAYkAAcSr2pQ+k/odwdLQSjgm/JcUbi2ll16Wy
+            7qFbUAUJ5xO+iP61vL3z4pJGcK1pMH6kBLA4CPBchJU/hh3f7vtX2oFdWw8tWqvm
+            m/W7BACE7h0p86OP2G3ZJBjNYNQTK1LFYa+3G0spsVi9wl+Ih49ImPbSsUc2CSMA
+            fDlGpYU8FuUKCgQnS3UZz6e0NwrHbZTHBy0ksRwT9jf7qSAEKEN2ECxfwR5i1dU+
+            Yi4owkqGPhTLAbwkYdZZMcqfGgTXbiU4uy8DzMH/VhqP5wxdwbQ7VWJ1bnR1IEFy
+            Y2hpdmUgQXV0b21hdGljIFNpZ25pbmcgS2V5IDxmdHBtYXN0ZXJAdWJ1bnR1LmNv
+            bT6IXgQTEQIAHgUCQUSfPwIbAwYLCQgHAwIDFQIDAxYCAQIeAQIXgAAKCRBAl26v
+            Q30FtSTNAJ9TwRBI9/dXHqsyx5LkWrPxyO2H7wCfXDY77HnwSK3tTqJzC4m6KuDd
+            RheJAhwEEwECAAYFAkFRZ98ACgkQ18PxMasqkfV9whAAj5sSzTHDIdYCmbZcumTH
+            limqS88m+0He6jkG5j6DjQq/xGWg7B/svG+mPCE4K/zYG3CA0G0lTgJJKQg6gcUg
+            oQpaiK22gLG5tjVOQRRaExu+FNKF9kvSYFbEwpn0OESsRPjrdS2RYpGjY+DLHPaB
+            06Y/hQvMSCh67ZeDmLLTwQFzF0RAUHtwU+tU/gnvrk7kk/yPDqtj53J6zuAf86ZX
+            GRlmJCTDYJ/yXoYlm4sz0E1XANrdwtUGic0PF1gJIe7ZAnqMVvRGCxArNT1th83w
+            uppjI4/rGrFttbQUPb0cXyXhSmNauRMiiX/lrjqjouk9DX8CyVQG/mTgjrKLAMBZ
+            OJ/Im3D33jOdEWIaaVAVOmOej3S8s33zcWAUYbpqg+10i3O4SfVYH88tmEnmX3mq
+            Y21B7fkHHOVXF/4/sCzft6Ek6E57vIh0i7PjnrTWBO2/dl7zJyZZo7ty4f69B1xU
+            ZNClBZPXgYWmh68z5SgyfY5/N/CmfnsH6u5vHSRpm039Nr4IFNREkamkXl2GCPbA
+            rkZIkqdGdrX1EfWw/fsndHqHKwrPGHXIWWboZT1ZDx48P+825fVMg4N2cr87Mv1K
+            7E/hgHjxJ6eeciJFic4GT199DZha+1Gs7FRXvCa+sOGP/9JuZ+/S+Tv71sIPmRqD
+            rr6bSBH/E6yBKz7jv42GO8iIRgQQEQIABgUCQ76shgAKCRDohqckZfvHogOmAKCQ
+            SaKL15jq0TvjWWrcjvQvODdgMgCfdkb3Jbsg5liM0edJohWfyhzfGIGIRgQQEQIA
+            BgUCQ/tL4QAKCRDk7WqA+zgH23hVAJ9WpyWCnJIHNQVHH4/V8kqaptbLQwCfQN5/
+            kutAyXprjtU+W2stn2HV4pKIRgQQEQIABgUCRMoo7AAKCRD+VG3tGS5BXGKuAJ9c
+            XxY6TqxwIt6kTIShyykHuia7KgCdHYYlu+akh8PYBAlF4RvGlIkqmyiIRgQQEQIA
+            BgUCRQfC6gAKCRBbGMCBbDPfCDsGAKCO313nAlhu/FggyId7IG8yXtCa2QCguWI6
+            WCp0v4jyAIA2LK/zKbNlDcCIRgQQEQIABgUCRRvO4AAKCRDgL5ttNArtqI0LAJ4i
+            vwtgU9g6hn6TsbejzabpS7JLAACeLKBkLfPymJXlbpCjzsav9qJdZhGIRgQQEQIA
+            BgUCRRvPMAAKCRCRA7V5h+SGXz8OAJ0aus80uJDxtlflUDD1B1iEcO9EMQCglMfy
+            ys5abo/h6ZicTp2WIhp9IBCIRgQQEQIABgUCRRvPQgAKCRALOQhgy6dmGRaTAJwJ
+            FCgDskBzIeqCEORLAtLaBJCLngCeJzjzf4A8G1ZhS39Y/Yk7LQYB3aGIRgQQEQIA
+            BgUCRRvPYAAKCRAurJaQpVDnhKIiAKDaziS1x3SZIOS8p4iVGVY43KYO7ACfdevW
+            FB3BLbmLKB9xsrH00safNJWIRgQQEQIABgUCRWfafAAKCRCV4getfktcl1R8AJ4x
+            8HI/GPIcpHNuJ8PUlJKvjSOY1QCeN8glquCHP7d9XyBe4p41o0WdbAqIRgQQEQIA
+            BgUCRaABKQAKCRBZgbnSh0vryCoKAJ9/KYHPBGwGuR4WR8ZWujLqIue92ACfVk5G
+            hTCj8sjkC2835BOmWdPia3yIRgQQEQIABgUCRbQdHQAKCRB9RtY87eO1ZT4AAJ9q
+            OBuspkVxj9ewlJtFPZfzKkRypACeM/WVpw+2rz7UHVAGXYZpWnqjmwaIRgQQEQIA
+            BgUCRfkxvwAKCRA+O+Dt/wMVgO5fAKDEdUwaGl6sd8pS2N5f+Fdm25EWQQCdE8p9
+            Fsq+Q2lA2m3sbEgH3ga+zPGIRgQQEQIABgUCRq72nQAKCRD23TMCEPpM0XyeAJ9C
+            GZ1MNHUYsJv2ZdpzPqdc23EW6ACdEDfk5MnkAYX2i9eoEParoMRNcx+IRgQTEQIA
+            BgUCQp2FvgAKCRAwa1VExpE89g4LAJ9TY9lyD3u8eXXiVE11zw20lvIongCfUfLh
+            OE+oLMmUAwoCsCpVTxNhnRuIRgQTEQIABgUCQp2cvwAKCRBQ1yY84R14E1z9AKCG
+            2I2enXp7roBiIosVi76hx4Dd9gCgs21hGpvQqouLs6Oz9TbQ4COqrT+ISQQQEQIA
+            CQUCRZtwwAIHAAAKCRAHjSWNsiCtxiKBAJ9KL7LtkZiVNcj8kJJ9u4+QX00LsACg
+            hJVJpjXC5Q4EeGfyzm4MICf2MVqJAhwEEAECAAYFAkc0xpUACgkQC/uEfz8nL1sU
+            rBAAsLGXDeZ/QHyYfWHPrph+ALC94xmblfSu8Q/BRD09VyPimnoRtSNHZwwbTp38
+            ysVU9G9mo3lgQ07HQP6XxoEDrw42sLUpnECUMptr1e66hlyvk4urMVjGEs4FCpA3
+            wRuDUYuI4McpB1mRzYqJEYZ2bGl9MWN+FGEE6oFHCvJUUAEDVj7enCN1+ouKw+Wf
+            giki1BqPWGofTrj2G/st8hn2LhBgomCDtnb14gRSFHvINO+dDr96QjVXGg9+WSr2
+            iIVeIHS8QWWOpYwgit16DK0SgXxlIMXMkcNpDosak639DF6wwRTvVoMGcr5OEbtU
+            I23GOdyX9RTrWCECmUctat9vprdx6e0nbYbt9jYheVBzTCMGCtc1pVSuNcsPBU3F
+            KZlMq6yH9D7POQPHamKcZdRhGKtR0vQadKt3bMZQP231pUMdCp9ayIMjLjjX7EDo
+            FO6iCqeuuqBa0quiz7Z6nAvTWkGHHXjd555iIrkTz1fgses05P9BHkfPmnOH55b3
+            3vyopz53A74Vz6SutOUTQi0MaXAYNsX0A55bjNb3fm6LuuLAkOZAR1wfSM1Ecb5r
+            yZP+9kF6o9zSGcQ2sjG3b7pGFtQztwzXKNUCOI4Iv932IeD9O95w5omXZVahTGQ8
+            NesFHdmEwq69aEGOq3E3q7Qz1pAgZsj2N+6LmE3Ln2rudKW5Ag0EQUSfRxAIAMgl
+            vR9L60xR65i2QG4k2CnqZhmRUaTySxwOlNqKWtokUpzf8WmqA383uRLO8W9Tee1a
+            F7KEMEUXgFiP7nns0kroKGLlcLbC+nEzkv51ao6Lcr5dWr0817LmlvCl2N1KeQDk
+            pHIAiS0LTjuEFY1yosi2ECiOan6sgcLaVqJVbEUeIaYJOiZ8O1INTAGGdpVoSPvg
+            kuZVKhP2uMIhYq3qgs6sB5SshEaKAGYIiH3lZ6UJUIVEuyumxpNPqkJ1Jkpo4SxI
+            wy8KYiQ9Uo1NPP8bmvyGGaeWbRObLPHCO+iqxHxMiE4xX08sVizxA1YLw9iwtdNP
+            OWkQsM9rn8W/gieH0SsAAwYIAMLzDICy2IA1wcmf5XPpg4JBFuMjeg8pIuaQZMf/
+            MO2u+RlOVrIXPVFtYOpxQR9C1gCg+Blg2qQXBNw19cNT2EtSGi0HtycTww2xnIOn
+            aLOzq/eI/LnakdAMclaTVbNltraepkoRFE4Exvuq/tCdzssotnmAha1tzGf+O3Qy
+            xkIBJ6zHFTNCREGBPYi/Pe9iviWqNAIr3SPhlw7STFrVDgpne9VdpOZb3nVYYQHG
+            6iwvVwzrE23+84RMFENq4Dhyx9L8R6+PMt347uT8dB03PXMovOpwXX06zMgfGwF6
+            0TZsmHqun/E3gE46YiME26rmUX5KSNTm9N2IZA8jz/sFXz2ISQQYEQIACQUCQUSf
+            RwIbDAAKCRBAl26vQ30FtdxYAJsFjU+xbex7gevyGQ2/mhqidES4MwCggqQyo+w1
+            Twx6DKLF+3rF5nf1F3Q=
+            =PBAe
+        ubuntu_updates:
+          key: ${linux:system:repo:ubuntu:key}
+        ubuntu_security:
+          key: ${linux:system:repo:ubuntu:key}
diff --git a/linux/system/repo/mcp/apt_mirantis/jenkins.yml b/linux/system/repo/mcp/apt_mirantis/jenkins.yml
new file mode 100644
index 0000000..71070d7
--- /dev/null
+++ b/linux/system/repo/mcp/apt_mirantis/jenkins.yml
@@ -0,0 +1,19 @@
+classes:
+- system.repo.keystorage.jenkins
+parameters:
+  _param:
+    apt_mk_version: stable
+    linux_system_repo_url: http://mirror.mirantis.com/${_param:apt_mk_version}/
+    linux_system_repo_mcp_jenkins_url: ${_param:linux_system_repo_url}/jenkins/
+  linux:
+    system:
+      repo:
+        mcp_jenkins:
+          # FIXME
+          source: "deb [arch=amd64] ${_param:linux_system_repo_mcp_jenkins_url}/${_param:linux_system_codename}/ binary main"
+          architectures: amd64
+          clean_file: true
+          pin:
+          - pin: 'release o=jenkins.io'
+            priority: 1100
+            package: '*'
diff --git a/linux/system/repo/mcp/apt_mirantis/maas.yml b/linux/system/repo/mcp/apt_mirantis/maas.yml
index 7ee3537..b69e4e6 100644
--- a/linux/system/repo/mcp/apt_mirantis/maas.yml
+++ b/linux/system/repo/mcp/apt_mirantis/maas.yml
@@ -1,13 +1,18 @@
+classes:
+- system.repo.keystorage.maas
 parameters:
   _param:
     apt_mk_version: stable
-    linux_system_repo_mcp_maas_version: ${_param:apt_mk_version}
+    linux_system_repo_url: http://mirror.mirantis.com/${_param:apt_mk_version}/
+    linux_system_repo_mcp_maas_url: ${_param:linux_system_repo_url}/maas/
   linux:
     system:
       repo:
         mcp_maas:
-          source: "deb [arch=amd64] http://mirror.mirantis.com/${_param:linux_system_repo_mcp_maas_version}/maas/${_param:linux_system_codename}/ ${_param:linux_system_codename} main"
+          source: "deb [arch=amd64] ${_param:linux_system_repo_mcp_maas_url}/${_param:linux_system_codename} ${_param:linux_system_codename} main"
           architectures: amd64
-          key_id: 684D4A1C
-          key_server: keyserver.ubuntu.com
           clean_file: true
+          pin:
+          - pin: 'release o=LP-PPA-maas-stable'
+            priority: 1100
+            package: '*'
diff --git a/linux/system/repo/mcp/apt_mirantis/ubuntu.yml b/linux/system/repo/mcp/apt_mirantis/ubuntu.yml
index e254ed6..472dc63 100644
--- a/linux/system/repo/mcp/apt_mirantis/ubuntu.yml
+++ b/linux/system/repo/mcp/apt_mirantis/ubuntu.yml
@@ -1,24 +1,25 @@
+classes:
+- system.repo.keystorage.ubuntu
 parameters:
   _param:
-    apt_mk_version: stable
+    apt_mk_version: 'stable'
+    linux_system_repo_url: http://mirror.mirantis.com/${_param:apt_mk_version}/
+    linux_system_repo_ubuntu_url: ${_param:linux_system_repo_url}/ubuntu/
   linux:
     system:
       repo:
         ubuntu:
-          source: "deb [arch=amd64] http://mirror.mirantis.com/${_param:apt_mk_version}/ubuntu/ ${_param:linux_system_codename} main restricted universe"
+          refresh_db: ${_param:linux_repo_refresh_db}
+          source: "deb [arch=amd64] ${_param:linux_system_repo_ubuntu_url} ${_param:linux_system_codename} main restricted universe"
           architectures: amd64
           default: true
-          key_id: 437D05B5
-          key_server: keyserver.ubuntu.com
         ubuntu_updates:
-          source: "deb [arch=amd64] http://mirror.mirantis.com/${_param:apt_mk_version}/ubuntu/ ${_param:linux_system_codename}-updates main restricted universe"
+          refresh_db: ${_param:linux_repo_refresh_db}
+          source: "deb [arch=amd64] ${_param:linux_system_repo_ubuntu_url} ${_param:linux_system_codename}-updates main restricted universe"
           architectures: amd64
           default: true
-          key_id: 437D05B5
-          key_server: keyserver.ubuntu.com
         ubuntu_security:
-          source: "deb [arch=amd64] http://mirror.mirantis.com/${_param:apt_mk_version}/ubuntu/ ${_param:linux_system_codename}-security main restricted universe"
+          refresh_db: ${_param:linux_repo_refresh_db}
+          source: "deb [arch=amd64] ${_param:linux_system_repo_ubuntu_url} ${_param:linux_system_codename}-security main restricted universe"
           architectures: amd64
           default: true
-          key_id: 437D05B5
-          key_server: keyserver.ubuntu.com
\ No newline at end of file
diff --git a/linux/system/repo_local/mcp/apt_mirantis/ubuntu.yml b/linux/system/repo_local/mcp/apt_mirantis/ubuntu.yml
index d510183..ab5758c 100644
--- a/linux/system/repo_local/mcp/apt_mirantis/ubuntu.yml
+++ b/linux/system/repo_local/mcp/apt_mirantis/ubuntu.yml
@@ -1,23 +1,23 @@
+classes:
+- system.repo.keystorage.ubuntu
 parameters:
+  _param:
+    apt_mk_version: 'stable'
   linux:
     system:
       repo:
         ubuntu:
           refresh_db: ${_param:linux_repo_refresh_db}
-          source: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu ${_param:linux_system_codename} main universe restricted"
+          source: "deb [arch=amd64] http://${_param:local_repo_url}/${_param:apt_mk_version}/ubuntu ${_param:linux_system_codename} main universe restricted"
           architectures: amd64
           default: true
-          key_url: "http://${_param:local_repo_url}/public.gpg"
-        ubuntu-updates:
+        ubuntu_updates:
           refresh_db: ${_param:linux_repo_refresh_db}
-          source: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu ${_param:linux_system_codename}-updates main universe restricted"
+          source: "deb [arch=amd64] http://${_param:local_repo_url}/${_param:apt_mk_version}/ubuntu ${_param:linux_system_codename}-updates main universe restricted"
           architectures: amd64
           default: true
-          key_url: "http://${_param:local_repo_url}/public.gpg"
-        ubuntu-security:
+        ubuntu_security:
           refresh_db: ${_param:linux_repo_refresh_db}
-          source: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu ${_param:linux_system_codename}-security main universe restricted"
+          source: "deb [arch=amd64] http://${_param:local_repo_url}/${_param:apt_mk_version}/ubuntu ${_param:linux_system_codename}-security main universe restricted"
           architectures: amd64
           default: true
-          key_url: "http://${_param:local_repo_url}/public.gpg"
-
diff --git a/linux/system/repo_local/ubuntu.yml b/linux/system/repo_local/ubuntu.yml
index 46994ee..e93a4b3 100644
--- a/linux/system/repo_local/ubuntu.yml
+++ b/linux/system/repo_local/ubuntu.yml
@@ -8,13 +8,13 @@
           architectures: amd64
           default: true
           key_url: "http://${_param:local_repo_url}/public.gpg"
-        ubuntu-updates:
+        ubuntu_updates:
           refresh_db: ${_param:linux_repo_refresh_db}
           source: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu ${_param:linux_system_codename}-updates main universe restricted"
           architectures: amd64
           default: true
           key_url: "http://${_param:local_repo_url}/public.gpg"
-        ubuntu-security:
+        ubuntu_security:
           refresh_db: ${_param:linux_repo_refresh_db}
           source: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu ${_param:linux_system_codename}-security main universe restricted"
           architectures: amd64
diff --git a/maas/region/boot_sources/maas_ephemeral_v3/bss_xenial.yml b/maas/region/boot_sources/maas_ephemeral_v3/bss_xenial.yml
index a1d1620..ad54efa 100644
--- a/maas/region/boot_sources/maas_ephemeral_v3/bss_xenial.yml
+++ b/maas/region/boot_sources/maas_ephemeral_v3/bss_xenial.yml
@@ -1,15 +1,11 @@
 parameters:
   _param:
     apt_mk_version: stable
-    maas_region_boot_sources_maas_ephemeral_v3_version: ${_param:apt_mk_version}
-    maas_region_boot_sources_maas_ephemeral_v3_host_url: "http://mirror.mirantis.com/"
-    # http://mirror.mirantis.com/nightly/maas-ephemeral-v3/
-    maas_region_boot_sources_maas_ephemeral_v3_url: "${_param:linux_system_repo_maas_ephemeral_v3_host_url}/${_param:apt_mk_version}/maas-ephemeral-v3/"
   maas:
     region:
       boot_sources_selections:
-        xenial:
-          url: "${_param:maas_region_boot_sources_maas_ephemeral_v3_url}"
+        mcp_xenial:
+          url: ${maas:region:boot_sources:mcp_resources_mirror:url}
           os: "ubuntu"
           release: "xenial"
           arches: "amd64"
diff --git a/maas/region/boot_sources/maas_ephemeral_v3/init.yml b/maas/region/boot_sources/maas_ephemeral_v3/init.yml
index 965f333..9d0abf2 100644
--- a/maas/region/boot_sources/maas_ephemeral_v3/init.yml
+++ b/maas/region/boot_sources/maas_ephemeral_v3/init.yml
@@ -1,14 +1,11 @@
 parameters:
   _param:
     apt_mk_version: stable
-    maas_region_boot_sources_maas_ephemeral_v3_version: ${_param:apt_mk_version}
-    maas_region_boot_sources_maas_ephemeral_v3_host_url: "http://mirror.mirantis.com/"
-    # http://mirror.mirantis.com/nightly/maas-ephemeral-v3/
-    maas_region_boot_sources_maas_ephemeral_v3_url: "${_param:linux_system_repo_maas_ephemeral_v3_host_url}/${_param:apt_mk_version}/maas-ephemeral-v3/"
+    maas_region_boot_sources_maas_ephemeral_v3_bs_url: http://mirror.mirantis.com/${_param:apt_mk_version}/maas-ephemeral-v3/
   maas:
     region:
       boot_sources_delete_all_others: true
       boot_sources:
-        resources_mirror:
-          url: ${_param:maas_region_boot_sources_maas_ephemeral_v3_url}
+        mcp_resources_mirror:
+          url: ${_param:maas_region_boot_sources_maas_ephemeral_v3_bs_url}
           keyring_file: /usr/share/keyrings/ubuntu-cloudimage-keyring.gpg