arvindshmicrosoft commented on a change in pull request #1568: Support multiple
tservers / node in accumulo-service
URL: https://github.com/apache/accumulo/pull/1568#discussion_r398235057
##########
File path: assemble/bin/accumulo-cluster
##########
@@ -100,15 +100,45 @@ function get_ip() {
echo "$ip_addr"
}
+function set_last_instance_id() {
+ if [[ "$service" == "tserver" ]]; then
+ last_instance_id=${NUM_TSERVERS:-1}
+ else
+ last_instance_id=1
+ fi
+}
+
+function set_service_instance_if_needed() {
+ if [[ "$service" == "tserver" && ${NUM_TSERVERS:-1} > 1 ]]; then
+ export ACCUMULO_SERVICE_INSTANCE=$inst_id
+ service_instance_cmd="export ACCUMULO_SERVICE_INSTANCE=${inst_id};"
+ else
+ export ACCUMULO_SERVICE_INSTANCE=
+ service_instance_cmd=
+ fi
+}
+
+function control_service() {
+ set_last_instance_id
+
+ for (( inst_id=1; inst_id<=last_instance_id; inst_id++ ))
+ do
+ set_service_instance_if_needed
+
+ if [[ $host == localhost || $host = "$(hostname -s)" || $host =
"$(hostname -f)" || $host = $(get_ip) ]] ; then
+ "${bin}/accumulo-service" "$service" "$control_cmd"
+ else
+ $SSH "$host" "bash -c '${service_instance_cmd} ${bin}/accumulo-service
\"$service\" \"$control_cmd\"'"
Review comment:
Thank you and I did plan to submit a docs PR for `NUM_TSERVERS` usage when
this change is done.
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