Adding wait for script for checking host

Change-Id: Ib7004cec2fad3808cab6b15604cc11a87b06b953
Issue-ID: SO-2144
Signed-off-by: waqas.ikram <waqas.ikram@est.tech>

diff --git a/plans/so/integration-etsi-testing/config/wait-for.sh b/plans/so/integration-etsi-testing/config/wait-for.sh
new file mode 100755 (executable)
index 0000000..53581b3
--- /dev/null
+++ b/plans/so/integration-etsi-testing/config/wait-for.sh
@@ -0,0 +1,138 @@
+#!/bin/bash
+#
+# ============LICENSE_START=======================================================
+#  Copyright (C) 2019 Nordix Foundation.
+# ================================================================================
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END=========================================================
+#
+
+# @author Waqas Ikram (waqas.ikram@est.tech)
+
+SCRIPT_NAME=$(basename $0)
+
+# Process the arguments passed to the script
+usage()
+{
+ _msg_="$@"
+ cat<<-EOF
+ Command Arguments:
+
+ -t, --timeout
+ Mandatory argument. time out value in seconds (must be number) 
+
+ -h --host
+ Mandatory argument. Host name or IP
+
+ -p, --port
+ Mandatory argument. Port of the host
+
+ --help
+ Optional argument.  Display this usage.
+
+EOF
+ exit 1
+}
+
+current_timestamp()
+{
+ date +"%Y-%m-%d %H:%M:%S"
+}
+
+# Called when script is executed with invalid arguments
+invalid_arguments()
+{
+ echo "Missing or invalid option(s):"
+ echo "$@"
+ echo "Try --help for more information"
+ exit 1
+}
+
+process_arguments()
+{
+ SHORT_ARGS="t:h:p:"
+ LONG_ARGS="help,timeout:,host:,port:"
+
+ args=$(getopt -o $SHORT_ARGS -l $LONG_ARGS -n "$0"  -- "$@"  2>&1 )
+ [[ $? -ne 0 ]] && invalid_arguments $( echo " $args"| head -1 )
+ [[ $# -eq 0 ]] && invalid_arguments "No options provided"
+
+ eval set -- "$args"
+ cmd_arg="$0"
+
+ while true; do
+    case "$1" in
+         -t|--timeout)
+          TIME_OUT=$2
+          shift 2 ;;
+          -h|--host)
+          HOST=$2
+          shift 2 ;;
+          -p|--port)
+          PORT=$2
+         shift 2 ;;
+         --help)
+          usage
+          exit 0
+          ;;
+         --)
+          shift
+          break ;;
+         *)
+          echo BAD ARGUMENTS # perhaps error
+          break ;;
+      esac
+ done
+
+ regex='^[0-9]+$'
+ if ! [[ $TIME_OUT =~ $regex ]] ; then
+   echo "$SCRIPT_NAME $(current_timestamp): error: TIME_OUT must be number $TIME_OUT" >&2; exit 1
+ fi
+
+ if [ -z "$HOST" ]; then
+   echo "$SCRIPT_NAME $(current_timestamp): error: HOST must not be empty! $HOST" >&2; exit 1
+ fi
+
+ if ! [[ $PORT =~ $regex ]]; then
+   echo "$SCRIPT_NAME $(current_timestamp): error: PORT must be number! $PORT" >&2; exit 1
+ fi
+
+ SLEEP_TIME=5
+ START_TIME_IN_SECONDS=`date +%s`
+ TIME_OUT_END_TIME_IN_SECONDS=$(($START_TIME_IN_SECONDS+$TIME_OUT));
+
+ while [ `date +%s` -lt "$TIME_OUT_END_TIME_IN_SECONDS" ]; do
+    echo "$(current_timestamp): Waiting for $HOST:$PORT to startup ..."
+
+    nc -z "$HOST" "$PORT" > /dev/null 2>&1
+    result=$?
+    if [ $result -eq 0 ] ; then
+        echo "$SCRIPT_NAME $(current_timestamp): $HOST:$PORT is up and running"
+        break;
+    fi
+    echo "$SCRIPT_NAME $(current_timestamp): Sleeping for ${SLEEP_TIME} seconds"
+    sleep ${SLEEP_TIME}
+ done
+
+ if [ $result -ne 0 ]; then
+    echo "$SCRIPT_NAME $(current_timestamp): Time out: could not get any response from $HOST:$PORT . . ."
+    exit 1
+ fi
+
+ echo "$SCRIPT_NAME $(current_timestamp): finished successfully"
+}
+
+# main body
+process_arguments $@