1 files changed, 56 insertions, 0 deletions
diff --git a/csit/wait_for_port.sh b/csit/wait_for_port.sh
new file mode 100755
index 00000000..aec5f222
--- /dev/null
+++ b/csit/wait_for_port.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+# ============LICENSE_START====================================================
+#  Copyright (C) 2021 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END======================================================
+
+tmout=120
+cmd=
+while getopts c:t: opt; do
+    case "$opt" in
+    c) cmd="$OPTARG" ;;
+    t) tmout="$OPTARG" ;;
+    esac
+done
+nargs=$(expr $OPTIND - 1)
+shift $nargs
+
+even_args=$(expr $# % 2)
+if [ $# -lt 2 -o $even_args -ne 0 ]; then
+    echo "args: [-t timeout] [-c command] hostname1 port1 hostname2 port2 ..." >&2
+    exit 1
+fi
+
+while [ $# -ge 2 ]; do
+    export host=$1
+    export port=$2
+    shift
+    shift
+
+    echo "Waiting for $host port $port..."
+    timeout $tmout sh -c 'until nc -vz "$host" "$port"; do echo -n ".";
+        sleep 1; done'
+    rc=$?
+
+    if [ $rc != 0 ]; then
+        echo "$host port $port cannot be reached"
+        exit $rc
+    fi
+done
+
+$cmd
+
+exit 0