#!/bin/bash
+#########
+# ============LICENSE_START====================================================
+# org.onap.aaf
+# ===========================================================================
+# Copyright (c) 2017 AT&T Intellectual Property. 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.
+# ============LICENSE_END====================================================
+#
#
# A Script for use in Pods... Check for status files, and validate before moving on.
#
DIR="/opt/app/aaf/status"
APP=$1
shift
-OTHER=$1
-shift
function status {
if [ -d "$DIR" ]; then
- echo "$@" > $DIR/$APP
+ echo "$@" > $DIR/$APP-$HOSTNAME
fi
}
function check {
if [ -d "$DIR" ]; then
- if [ -e "$DIR/$OTHER" ]; then
- echo "$(cat $DIR/$OTHER)"
- else
+ if [ -z "$(ls $DIR/$OTHER* 2> /dev/null)" ]; then
echo "$DIR/$OTHER does not exist"
+ else
+ echo "$(cat $DIR/$OTHER*)"
fi
else
echo "$DIR does not exist"
fi
}
+function wait {
+ n=0
+ while [ $n -lt 40 ]; do
+ rv="$(check)"
+ echo "$rv"
+ if [ -z "$(echo $rv | grep "ready")" ]; then
+ (( ++n ))
+ echo "Sleep 10 (iteration $n)"
+ sleep 10
+ else
+ echo "$OTHER is $rv"
+ n=10000
+ fi
+ done
+}
+
+function wait_nc {
+ n=0
+ while [ $n -lt 40 ]; do
+ echo "Waiting for Network Access to $@"
+ status "Waiting for Network Access to $1 $2"
+ rv="$(nc -zvw 5 $1 $2 2>&1 | grep -e "[open|succeed]")"
+ echo $rv
+
+ if [[ "$rv" == *open* ]] || [[ "$rv" == *succeeded* ]]; then
+ status "Network Connectable to $1 $2"
+ n=10000
+ else
+ (( ++n ))
+ echo "Sleep 10 (iteration $n)"
+ sleep 10
+ fi
+ done
+}
+
function start {
n=0
while [ $n -lt 40 ]; do
rv="$(check)"
echo "$OTHER is $rv"
- if [ "$rv" = "ready" ]; then
+ if [ -z "$(echo $rv | grep "ready")" ]; then
+ (( ++n ))
+ echo "Sleep 10 (iteration $n)"
+ sleep 10
+ else
# This is critical. Until status is literally "ready" in the status directory, no processes will start
status ready
echo "Starting $@"
n=10000
- else
- (( ++n ))
- echo "Sleep 10 (iteration $n)"
- sleep 10
fi
done
}
-if [ "sleep" = "$OTHER" ]; then
- echo "Sleeping $1"
- status "Sleeping $1"
- sleep $1
+while [ ! -z "$1" ]; do
+ OTHER=$1
shift
- status "ready"
-else
- echo "App $APP is waiting to start until $OTHER is ready"
- status "waiting for $OTHER"
-
- start
-fi
-
-eval "$@"
+ case "$OTHER" in
+ nc)
+ H=$1
+ shift
+ P=$1
+ shift
+ wait_nc "$H" "$P"
+ if [ -z "$@" ]; then
+ echo "ready"
+ status "ready"
+ fi
+ ;;
+ sleep)
+ echo "Sleeping $1"
+ status "Sleeping $1"
+ sleep $1
+ shift
+ if [ -z "$@" ]; then
+ echo "ready"
+ status "ready"
+ fi
+ echo "Done"
+ ;;
+ remove)
+ echo "Removing $DIR/$APP-$HOSTNAME"
+ rm -f $DIR/$APP-$HOSTNAME
+ ;;
+ wait)
+ OTHER="$1"
+ shift
+ wait
+ ;;
+ *)
+ echo "App $APP is waiting to start until $OTHER is ready"
+ status "waiting for $OTHER"
+
+ start
+ break
+ ;;
+ esac
+done