Merge pull request #3 from unclejack/split-ovsdb-and-vswitchd

Dockerfile,runtime-scripts: split ovsdb & vswitchd

Dockerfile

@@ -1,13 +1,24 @@
+# Copyright 2018 Cisco Systems Inc. All rights reserved.
+#
+# 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.
+
 # OVS Docker image
 
 FROM alpine:3.7
 LABEL maintainer "Cisco Contiv (https://contiv.github.io)"
 
-RUN mkdir -p /etc/openvswitch /var/log/contiv \
+RUN mkdir -p /etc/openvswitch \
  && echo 'http://dl-cdn.alpinelinux.org/alpine/v3.4/main' >> /etc/apk/repositories \
  && apk --no-cache add \
-      openvswitch=2.5.0-r0 iptables ca-certificates openssl curl bash
-
-COPY ovsInit.sh /scripts/
+      openvswitch=2.5.0-r0 ca-certificates bash
 
-ENTRYPOINT ["/scripts/ovsInit.sh"]
+COPY runtime-scripts/ /scripts/

runtime-scripts/start-ovs-vswitchd.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+#
+# Copyright 2018 Cisco Systems Inc. All rights reserved.
+#
+# 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 -euo pipefail
+
+mkdir -p /var/run/openvswitch
+
+if ! lsmod | cut -d" " -f1 | grep -q openvswitch; then
+	echo "INFO: Loading kernel module: openvswitch"
+	modprobe openvswitch
+	sleep 2
+fi
+
+echo "INFO: waiting for ovsdb"
+retry=0
+while ! ovsdb-client list-dbs | grep -q Open_vSwitch; do
+	if [[ ${retry} -eq 15 ]]; then
+		echo "CRITICAL: Failed to reach ovsdb server in 15 seconds"
+		exit 1
+	else
+		echo "INFO: Waiting for ovsdb to start..."
+		sleep 1
+		((retry += 1))
+	fi
+done
+
+echo "INFO: Starting ovs-vswitchd"
+ovs-vswitchd -v --pidfile &
+VSWITCHD_PID=$!
+
+sleep 2
+
+echo "INFO: Setting OVS manager (tcp)..."
+ovs-vsctl set-manager tcp:127.0.0.1:6640
+
+echo "INFO: Setting OVS manager (ptcp)..."
+ovs-vsctl set-manager ptcp:6640
+
+wait $VSWITCHD_PID
+exit 1

runtime-scripts/start-ovsdb-server.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# Copyright 2018 Cisco Systems Inc. All rights reserved.
+#
+# 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 -euo pipefail
+
+mkdir -p /var/run/openvswitch
+
+if [ -d "/etc/openvswitch" ]; then
+	if [ -f "/etc/openvswitch/conf.db" ]; then
+		echo "INFO: The Open vSwitch database exists"
+	else
+		echo "INFO: The Open vSwitch database doesn't exist"
+		echo "INFO: Creating the Open vSwitch database..."
+		ovsdb-tool create /etc/openvswitch/conf.db /usr/share/openvswitch/vswitch.ovsschema
+	fi
+else
+	echo "CRITICAL: Open vSwitch is not mounted from host"
+	exit 1
+fi
+
+echo "INFO: updating OVS database schema if needed"
+ovsdb-tool convert /etc/openvswitch/conf.db /usr/share/openvswitch/vswitch.ovsschema
+
+echo "INFO: Starting ovsdb-server..."
+exec ovsdb-server --remote=punix:/var/run/openvswitch/db.sock \
+	--remote=db:Open_vSwitch,Open_vSwitch,manager_options \
+	--private-key=db:Open_vSwitch,SSL,private_key \
+	--certificate=db:Open_vSwitch,SSL,certificate \
+	--bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert