Add slaves configurations for vnf-onboarding jobs

SSL certificates required to be on jenkins slaves for running
 vnf-onboarding jobs.

Change-Id: Ia9e80848f3d11c5bd6a916a989065a3c8c76c101
Related-PROD: PROD-19244
diff --git a/docker/swarm/stack/jenkins/slave_ssl.yml b/docker/swarm/stack/jenkins/slave_ssl.yml
new file mode 100644
index 0000000..6099cd7
--- /dev/null
+++ b/docker/swarm/stack/jenkins/slave_ssl.yml
@@ -0,0 +1,17 @@
+docker:
+  client:
+    stack:
+      jenkins:
+        service:
+          slave01:
+            volumes:
+              - /etc/ssl/certs/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt:ro
+              - /srv/salt/pki/${_param:cluster_name}/${salt:minion:cert:proxy:common_name}-with-chain.crt:/etc/ssl/certs/proxy-with-chain.crt:ro
+          slave02:
+            volumes:
+              - /etc/ssl/certs/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt:ro
+              - /srv/salt/pki/${_param:cluster_name}/${salt:minion:cert:proxy:common_name}-with-chain.crt:/etc/ssl/certs/proxy-with-chain.crt:ro
+          slave03:
+            volumes:
+              - /etc/ssl/certs/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt:ro
+              - /srv/salt/pki/${_param:cluster_name}/${salt:minion:cert:proxy:common_name}-with-chain.crt:/etc/ssl/certs/proxy-with-chain.crt:ro
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