diff options
| -rwxr-xr-x | geo-replication/src/gverify.sh | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/geo-replication/src/gverify.sh b/geo-replication/src/gverify.sh index 89eceb8f3ef..f2295649571 100755 --- a/geo-replication/src/gverify.sh +++ b/geo-replication/src/gverify.sh @@ -100,16 +100,35 @@ function slave_stats() echo $status } +function ping_host () +{ + ### Use bash internal socket support + { + exec 400<>/dev/tcp/$1/$2 + if [ $? -ne '0' ]; then + return 1; + else + exec 400>&- + return 0; + fi + } 1>&2 2>/dev/null +} function main() { log_file=$5 > $log_file + SSH_PORT=22 # Use FORCE_BLOCKER flag in the error message to differentiate # between the errors which the force command should bypass - ping -w 5 $3; + # Test tcp connection to port 22, this is necessary since `ping` + # does not work on all environments where 'ssh' is allowed but + # ICMP is filterd + + ping_host $3 ${SSH_PORT} + if [ $? -ne 0 ]; then echo "FORCE_BLOCKER|$3 not reachable." > $log_file exit 1; |