Backport repos structure

Depends-On: https://gerrit.mcp.mirantis.com/#/c/37429/

Change-Id: Idce7bf41b98c9d684381fae7197d74c21dd82ed1
Prod-related: PROD-28395 (PROD:28395)
diff --git a/linux/system/repo/mcp/apt_mirantis/saltstack.yml b/linux/system/repo/mcp/apt_mirantis/saltstack.yml
new file mode 100644
index 0000000..2d4dd2c
--- /dev/null
+++ b/linux/system/repo/mcp/apt_mirantis/saltstack.yml
@@ -0,0 +1,24 @@
+classes:
+- system.linux.system.repo.keystorage.saltstack
+parameters:
+  linux:
+    system:
+      repo:
+        mcp_saltstack:
+          source: "deb [arch=amd64] ${_param:linux_system_repo_mcp_saltstack_url}/${_param:linux_system_codename}/ ${_param:linux_system_codename} main"
+          key: ${_param:linux_system_repo_mcp_saltstack_key}
+          architectures: ${_param:linux_system_architecture}
+          clean_file: true
+          pinning:
+            10:
+              enabled: true
+              pin: 'release o=SaltStack'
+              # WA for https://github.com/saltstack/salt/issues/49653
+              # Should be removed with new version\fix in upstream.
+              priority: 50
+              package: 'libsodium18'
+            20:
+              enabled: true
+              pin: 'release o=SaltStack'
+              priority: 1100
+              package: '*'