Pin salt version for offline deploys

Change-Id: I54281713e5213e89460d1bfd1eb2ec45bed8f751
diff --git a/tcp_tests/templates/virtual-offline-pike-ovs-dpdk/underlay--user-data-apt01.yaml b/tcp_tests/templates/virtual-offline-pike-ovs-dpdk/underlay--user-data-apt01.yaml
index 69772ac..7297a41 100644
--- a/tcp_tests/templates/virtual-offline-pike-ovs-dpdk/underlay--user-data-apt01.yaml
+++ b/tcp_tests/templates/virtual-offline-pike-ovs-dpdk/underlay--user-data-apt01.yaml
@@ -55,8 +55,8 @@
    - which wget >/dev/null || (apt-get update; apt-get install -y wget);
    - echo "deb [arch=amd64] http://apt.mirantis.com/xenial {{ REPOSITORY_SUITE }} salt extra" > /etc/apt/sources.list.d/mcp_salt.list;
    - wget -O - http://apt.mirantis.com/public.gpg | apt-key add -;
-   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/{{ SALT_VERSION }} xenial main" > /etc/apt/sources.list.d/saltstack.list;
-   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/{{ SALT_VERSION }}/SALTSTACK-GPG-KEY.pub | apt-key add -;
+   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2017.7 xenial main" > /etc/apt/sources.list.d/saltstack.list;
+   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/2017.7/SALTSTACK-GPG-KEY.pub | apt-key add -;
 
    - eatmydata apt-get clean && apt-get update
 
diff --git a/tcp_tests/templates/virtual-offline-pike-ovs/underlay--user-data-apt01.yaml b/tcp_tests/templates/virtual-offline-pike-ovs/underlay--user-data-apt01.yaml
index 69772ac..7297a41 100644
--- a/tcp_tests/templates/virtual-offline-pike-ovs/underlay--user-data-apt01.yaml
+++ b/tcp_tests/templates/virtual-offline-pike-ovs/underlay--user-data-apt01.yaml
@@ -55,8 +55,8 @@
    - which wget >/dev/null || (apt-get update; apt-get install -y wget);
    - echo "deb [arch=amd64] http://apt.mirantis.com/xenial {{ REPOSITORY_SUITE }} salt extra" > /etc/apt/sources.list.d/mcp_salt.list;
    - wget -O - http://apt.mirantis.com/public.gpg | apt-key add -;
-   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/{{ SALT_VERSION }} xenial main" > /etc/apt/sources.list.d/saltstack.list;
-   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/{{ SALT_VERSION }}/SALTSTACK-GPG-KEY.pub | apt-key add -;
+   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2017.7 xenial main" > /etc/apt/sources.list.d/saltstack.list;
+   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/2017.7/SALTSTACK-GPG-KEY.pub | apt-key add -;
 
    - eatmydata apt-get clean && apt-get update
 
diff --git a/tcp_tests/templates/virtual-offline-ssl/underlay--user-data-apt01.yaml b/tcp_tests/templates/virtual-offline-ssl/underlay--user-data-apt01.yaml
index 69772ac..7297a41 100644
--- a/tcp_tests/templates/virtual-offline-ssl/underlay--user-data-apt01.yaml
+++ b/tcp_tests/templates/virtual-offline-ssl/underlay--user-data-apt01.yaml
@@ -55,8 +55,8 @@
    - which wget >/dev/null || (apt-get update; apt-get install -y wget);
    - echo "deb [arch=amd64] http://apt.mirantis.com/xenial {{ REPOSITORY_SUITE }} salt extra" > /etc/apt/sources.list.d/mcp_salt.list;
    - wget -O - http://apt.mirantis.com/public.gpg | apt-key add -;
-   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/{{ SALT_VERSION }} xenial main" > /etc/apt/sources.list.d/saltstack.list;
-   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/{{ SALT_VERSION }}/SALTSTACK-GPG-KEY.pub | apt-key add -;
+   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2017.7 xenial main" > /etc/apt/sources.list.d/saltstack.list;
+   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/2017.7/SALTSTACK-GPG-KEY.pub | apt-key add -;
 
    - eatmydata apt-get clean && apt-get update