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#!/bin/bash
# Copyright (c) 2017 Huawei Technologies Co., Ltd. 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.
# Echo text to the log file, summary log file and stdout
# echo_summary "something to say"
function echo_summary {
echo -e "$@"
}
wait_for_url() {
local url=$1
local prefix=${2:-}
local wait=${3:-1}
local times=${4:-30}
which curl >/dev/null || {
echo_summary "curl must be installed"
exit 1
}
local i
for i in $(seq 1 "$times"); do
local out
if out=$(curl --max-time 1 -gkfs "$url" 2>/dev/null); then
echo_summary "On try ${i}, ${prefix}: ${out}"
return 0
fi
sleep "${wait}"
done
echo_summary "Timed out waiting for ${prefix} to answer at ${url}; tried ${times} waiting ${wait} between each"
return 1
}
# Prints line number and "message" in error format
# err $LINENO "message"
err() {
local exitcode=$?
local xtrace
xtrace=$(set +o | grep xtrace)
set +o xtrace
local msg="[ERROR] ${BASH_SOURCE[2]}:$1 $2"
echo "$msg"
$xtrace
return $exitcode
}
# Prints line number and "message" then exits
# die $LINENO "message"
die() {
local exitcode=$?
set +o xtrace
local line=$1; shift
if [ $exitcode == 0 ]; then
exitcode=1
fi
err "$line" "$*"
# Give buffers a second to flush
sleep 1
exit $exitcode
}
get_default_host_ip() {
local host_ip=$1
local af=$2
# Search for an IP unless an explicit is set by ``HOST_IP`` environment variable
if [ -z "$host_ip" ]; then
host_ip=""
# Find the interface used for the default route
host_ip_iface=${host_ip_iface:-$(ip -f "$af" route | awk '/default/ {print $5}' | head -1)}
local host_ips
host_ips=$(LC_ALL=C ip -f "$af" addr show "${host_ip_iface}" | sed /temporary/d |awk /$af'/ {split($2,parts,"/"); print parts[1]}')
local ip
for ip in $host_ips; do
host_ip=$ip
break;
done
fi
echo "$host_ip"
}
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