vttablet-up and vtgate-up to block until ready

shellcheck is temporarily disabled due to https://github.com/vitessio/vitess/issues/5305

No new shellcheck issues should be introduced, but there are existing
problems with vtgate-up.sh and vttablet-up.sh which are not addressed.

Signed-off-by: Morgan Tocker <tocker@gmail.com>

examples/local/101_initial_cluster.sh

@@ -34,7 +34,6 @@ CELL=zone1 "$script_root/vtctld-up.sh"
 
 # start vttablets for keyspace commerce
 CELL=zone1 KEYSPACE=commerce UID_BASE=100 "$script_root/vttablet-up.sh"
-sleep 15
 
 # set one of the replicas to master
 ./lvtctl.sh InitShardMaster -force commerce/0 zone1-100

examples/local/202_customer_tablets.sh

@@ -24,7 +24,7 @@ set -e
 script_root=$(dirname "${BASH_SOURCE}")
 
 CELL=zone1 KEYSPACE=customer UID_BASE=200 "$script_root/vttablet-up.sh"
-sleep 15
+
 ./lvtctl.sh InitShardMaster -force customer/0 zone1-200
 ./lvtctl.sh CopySchemaShard -tables customer,corder commerce/0 customer/0
 ./lvtctl.sh ApplyVSchema -vschema_file vschema_commerce_vsplit.json commerce

examples/local/302_new_shards.sh

@@ -24,7 +24,7 @@ script_root=$(dirname "${BASH_SOURCE}")
 
 SHARD=-80 CELL=zone1 KEYSPACE=customer UID_BASE=300 "$script_root/vttablet-up.sh"
 SHARD=80- CELL=zone1 KEYSPACE=customer UID_BASE=400 "$script_root/vttablet-up.sh"
-sleep 15
+
 ./lvtctl.sh InitShardMaster -force customer/-80 zone1-300
 ./lvtctl.sh InitShardMaster -force customer/80- zone1-400
 ./lvtctl.sh CopySchemaShard customer/0 customer/-80

examples/local/vtgate-up.sh

@@ -89,6 +89,16 @@ $VTROOT/bin/vtgate \
   $optional_tls_args \
   > $VTDATAROOT/tmp/vtgate.out 2>&1 &
 
+# Block waiting for vtgate to be listening
+# Not the same as healthy
+
+echo "Waiting for vtgate to be up..."
+while true; do
+ curl -I "http://$hostname:$web_port/debug/status" >/dev/null 2>&1 && break
+ sleep 0.1
+done;
+echo "vtgate is up!"
+
 echo "Access vtgate at http://$hostname:$web_port/debug/status"
 
 disown -a

examples/local/vttablet-up.sh

@@ -129,4 +129,17 @@ for uid_index in $uids; do
   echo "Access tablet $alias at http://$hostname:$port/debug/status"
 done
 
+# Block waiting for all tablets to be listening
+# Not the same as healthy
+
+echo "Waiting for tablets to be listening..."
+for uid_index in $uids; do
+  port=$[$port_base + $uid_index]
+  while true; do
+   curl -I "http://$hostname:$port/debug/status" >/dev/null 2>&1 && break
+   sleep 0.1
+  done;
+done;
+echo "Tablets up!"
+
 disown -a