[zuul] Zuul gates fixes

Add firewall flush rules to zuul pre-update gates.
Wrap gate scripts by run-gates.sh script in order to preserve the scripts execution contexts.
Altered build-charts script.

Change-Id: I6295d55338a6a75ac43b54c092704670d61854d9

.zuul.yaml

@@ -74,10 +74,7 @@
       zuul_osh_infra_relative_path: ../../openstack/openstack-helm-infra/
       gate_scripts_relative_path: ""
       gate_scripts:
-        - "{{ zuul_osh_infra_relative_path }}./tools/deployment/apparmor/001-setup-apparmor-profiles.sh"
-        - "{{ zuul_osh_infra_relative_path }}./tools/deployment/common/005-deploy-k8s.sh"
-        - ./tools/gate/scripts/010-build-charts.sh
-        - sudo ./tools/gate/scripts/020-test-divingbell.sh
+        - ./tools/gate/scripts/run-gates.sh
     post-run: tools/gate/playbooks/osh-infra-collect-logs.yaml
     required-projects:
       - openstack/openstack-helm-infra

tools/gate/playbooks/osh-infra-upgrade-host.yaml

@@ -35,10 +35,12 @@
     - upgrade-host
     - start-zuul-console
     - disable-local-nameserver
+    - setup-firewall
   tags:
     - upgrade-host
     - start-zuul-console
     - disable-local-nameserver
+    - setup-firewall
 
 - hosts: all
   vars_files:

tools/gate/playbooks/roles/setup-firewall/tasks/main.yaml

@@ -0,0 +1,29 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# NOTE(portdirect): This needs refinement but drops the firewall on zuul nodes
+---
+- name: deploy iptables packages
+  include_role:
+    name: deploy-package
+    tasks_from: dist
+  vars:
+    packages:
+      deb:
+        - iptables
+      rpm:
+        - iptables
+- command: iptables -S
+- command: iptables -F
+- command: iptables -P INPUT ACCEPT
+- command: iptables -S
+...

tools/gate/scripts/002-build-helm-toolkit.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+CURRENT_DIR="$(pwd)"
+: "${PORTHOLE_PATH:="../porthole"}"
+
+cd "${PORTHOLE_PATH}" || exit
+sudo echo 127.0.0.1 localhost /etc/hosts
+
+BUILD_DIR=$(mktemp -d)
+HELM=${BUILD_DIR}/helm
+HELM_PIDFILE=${CURRENT_DIR}/.helm-pid
+
+rm -rf build
+rm -f charts/*.tgz
+rm -f charts/*/requirements.lock
+rm -rf charts/*/charts
+
+./tools/helm_install.sh ${HELM}
+./tools/helm_tk.sh ${HELM} ${HELM_PIDFILE}
+
+

tools/gate/scripts/run-gates.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Copyright 2017 The Openstack-Helm Authors.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+set -xe
+
+
+./tools/gate/scripts/002-build-helm-toolkit.sh
+../../openstack/openstack-helm-infra/tools/deployment/apparmor/001-setup-apparmor-profiles.sh
+../../openstack/openstack-helm-infra//tools/deployment/common/005-deploy-k8s.sh
+./tools/gate/scripts/010-build-charts.sh
+sudo ./tools/gate/scripts/020-test-divingbell.sh