Merge pull request #26790 from rmmh/bash-range

Automatic merge from submit-queue

Use bash ranges "{1..3}" instead of "$(seq 1 3)".




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cluster/aws/util.sh

@@ -1547,7 +1547,7 @@ function ssh-to-node {
 
   local ip=$(get_ssh_hostname ${node})
 
-  for try in $(seq 1 5); do
+  for try in {1..5}; do
     if ssh -oLogLevel=quiet -oConnectTimeout=30 -oStrictHostKeyChecking=no -i "${AWS_SSH_KEY}" ${SSH_USER}@${ip} "echo test > /dev/null"; then
       break
     fi

cluster/gce/util.sh

@@ -1533,7 +1533,7 @@ function ssh-to-node {
   local node="$1"
   local cmd="$2"
   # Loop until we can successfully ssh into the box
-  for try in $(seq 1 5); do
+  for try in {1..5}; do
     if gcloud compute ssh --ssh-flag="-o LogLevel=quiet" --ssh-flag="-o ConnectTimeout=30" --project "${PROJECT}" --zone="${ZONE}" "${node}" --command "echo test > /dev/null"; then
       break
     fi

cluster/gke/util.sh

@@ -339,7 +339,7 @@ function ssh-to-node() {
   local node="$1"
   local cmd="$2"
   # Loop until we can successfully ssh into the box
-  for try in $(seq 1 5); do
+  for try in {1..5}; do
     if gcloud compute ssh --ssh-flag="-o LogLevel=quiet" --ssh-flag="-o ConnectTimeout=30" --project "${PROJECT}" --zone="${ZONE}" "${node}" --command "echo test > /dev/null"; then
       break
     fi

cluster/photon-controller/util.sh

@@ -284,7 +284,7 @@ function pc-create-vm {
 
    # Wait for the VM to be started and connected to the network
   have_network=0
-  for i in $(seq 120); do
+  for i in {1..120}; do
     # photon -n vm networks print several fields:
     # NETWORK MAC IP GATEWAY CONNECTED?
     # We wait until CONNECTED is True