Add tempest suse image and zuul job

Adds dockerfile for building tempest under suse and build
it with zuul

Change-Id: Ib278deedb8e1daaa6d5e33a73a0fbf12bbee407e

tempest/Cloud:OpenStack:Master-openSUSE_Leap_15.0.gpgkey

@@ -0,0 +1,21 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.5 (GNU/Linux)
+
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+cmd3/2i/nNmx
+=hpCE
+-----END PGP PUBLIC KEY BLOCK-----

tempest/Dockerfile.opensuse_15

@@ -0,0 +1,20 @@
+FROM opensuse/leap:15.0
+LABEL maintainer="cloud-devel@suse.com"
+
+ARG VERSION=Master
+ARG KEYFILE=Cloud:OpenStack:Master-openSUSE_Leap_15.0.gpgkey
+
+COPY ${KEYFILE} /tmp/
+RUN rpm --import /tmp/${KEYFILE}
+RUN rm /tmp/${KEYFILE}
+
+RUN set -ex ;\
+    zypper --non-interactive addrepo http://download.opensuse.org/repositories/Cloud:/OpenStack:/${VERSION}/openSUSE_Leap_15.0/ openstack-${VERSION} ;\
+    zypper --non-interactive refresh ;\
+    zypper --non-interactive up -y ;\
+    zypper --non-interactive install -y openstack-tempest \
+                                        python-cinder-tempest-plugin \
+                                        python-heat-tempest-plugin \
+                                        python-keystone-tempest-plugin \
+                                        python-neutron-tempest-plugin ;\
+    zypper --non-interactive clean -a

zuul.d/tempest.yaml

@@ -38,6 +38,11 @@
           dockerfile: Dockerfile.ubuntu_xenial
           tags:
             - latest-ubuntu_xenial
+        - context: tempest
+          repository: openstackhelm/tempest
+          dockerfile: Dockerfile.opensuse_15
+          tags:
+            - latest-opensuse_15
     files: &tempest_files
       - tempest/.*
       - zuul.d/tempest.yaml