Add Kuryr devstack plugin

Add Kuryr devstack plugin
With default etcd as the K/V store

Change-Id: Idb9f4fec3ca393572b113490e7764ab4243642bd

devstack/local.conf.sample

@@ -0,0 +1,21 @@
+[[local|localrc]]
+
+DATABASE_PASSWORD=pass
+RABBIT_PASSWORD=pass
+SERVICE_PASSWORD=pass
+SERVICE_TOKEN=pass
+ADMIN_PASSWORD=pass
+
+enable_plugin kuryr http://git.openstack.org/openstack/kuryr
+enable_service kuryr
+enable_service etcd-server
+enable_service docker-engine
+
+# Use Neutron instead of nova-network
+disable_service n-net
+enable_service q-svc
+enable_service q-dhcp
+enable_service q-l3
+disable_service heat
+enable_service q-agt
+disable_service tempest

devstack/plugin.sh

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+#!/bin/bash
+#    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.
+
+
+function install_etcd_data_store {
+
+    if [ ! -f "/opt/stack/etcd/etcd-v2.1.1-linux-amd64/etcd" ]; then
+        echo "Installing etcd server"
+        mkdir /opt/stack/etcd
+        curl -L  https://github.com/coreos/etcd/releases/download/v2.1.1/etcd-v2.1.1-linux-amd64.tar.gz -o $DEST/etcd/etcd-v2.1.1-linux-amd64.tar.gz
+        tar xzvf $DEST/etcd/etcd-v2.1.1-linux-amd64.tar.gz -C /opt/stack/etcd
+    fi
+}
+
+# main loop
+if is_service_enabled kuryr; then
+    if [[ "$1" == "stack" && "$2" == "install" ]]; then
+        install_etcd_data_store
+        setup_develop $KURYR_HOME
+
+    elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then
+
+        if [[ ! -d "${KURYR_JSON_DIR}" ]]; then
+            echo -n "${KURYR_JSON_DIR} directory is missing. Creating it... "
+            sudo mkdir -p ${KURYR_JSON_DIR}
+            echo "Done"
+        fi
+
+        if [[ ! -f "${KURYR_JSON}" ]]; then
+             echo -n "${KURYR_JSON} is missing. Copying the default one... "
+             sudo cp ${KURYR_DEFAULT_JSON} ${KURYR_JSON}
+             echo "Done"
+        fi
+
+        run_process etcd-server "$DEST/etcd/etcd-v2.1.1-linux-amd64/etcd"
+
+        wget http://get.docker.com -O install_docker.sh
+        sudo chmod 777 install_docker.sh
+        sudo sh install_docker.sh
+        sudo rm install_docker.sh
+
+        sudo killall docker
+        run_process docker-engine "sudo /usr/bin/docker daemon --cluster-store etcd://localhost:4001"
+        run_process kuryr "sudo PYTHONPATH=$PYTHONPATH:$DEST/kuryr SERVICE_USER=admin SERVICE_PASSWORD=$SERVICE_PASSWORD SERVICE_TENANT_NAME=admin SERVICE_TOKEN=$SERVICE_TOKEN IDENTITY_URL=http://127.0.0.1:5000/v2.0 python $DEST/kuryr/scripts/run_server.py"
+    fi
+
+    if [[ "$1" == "unstack" ]]; then
+        stop_process kuryr
+        stop_process etcd-server
+        stop_process docker-engine
+    fi
+fi
+
+# Restore xtrace
+$XTRACE
+

devstack/settings

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+
+KURYR_HOME=${KURYR_HOME:-$DEST/kuryr}
+KURYR_JSON_FILENAME=kuryr.json
+KURYR_DEFAULT_JSON=${KURYR_HOME}/etc/${KURYR_JSON_FILENAME}
+
+# See libnetwork's plugin discovery mechanism:
+#   https://github.com/docker/docker/blob/c4d45b6a29a91f2fb5d7a51ac36572f2a9b295c6/docs/extend/plugin_api.md#plugin-discovery
+KURYR_JSON_DIR=${KURYR_JSON_DIR:-/usr/lib/docker/plugins/kuryr}
+KURYR_JSON=${KURYR_JSON_DIR}/${KURYR_JSON_FILENAME}