Morph gce_multinode-based scripts into net/

net/ssh.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+here=$(dirname "$0")
+# shellcheck source=net/common.sh
+source "$here"/common.sh
+
+usage() {
+  exitcode=0
+  if [[ -n "$1" ]]; then
+    exitcode=1
+    echo "Error: $*"
+  fi
+  cat <<EOF
+usage: $0 [ipAddress]
+
+ssh into a node
+
+ ipAddress     - IP address of the desired node.
+
+If ipAddress is unspecified, a list of available nodes will be displayed.
+
+EOF
+  exit $exitcode
+}
+
+while getopts "h?" opt; do
+  case $opt in
+  h | \?)
+    usage
+    ;;
+  *)
+    usage "Error: unhandled option: $opt"
+    ;;
+  esac
+done
+
+loadConfigFile
+
+ipAddress=$1
+if [[ -n "$ipAddress" ]]; then
+  set -x
+  exec ssh "${sshOptions[@]}" "$ipAddress"
+fi
+
+echo Leader:
+echo "  $0 $leaderIp"
+echo
+echo Validators:
+for ipAddress in "${validatorIpList[@]}"; do
+  echo "  $0 $ipAddress"
+done
+echo
+echo Clients:
+if [[ ${#clientIpList[@]} -eq 0 ]]; then
+  echo "  None"
+else
+  for ipAddress in "${clientIpList[@]}"; do
+    echo "  $0 $ipAddress"
+  done
+fi
+
+exit 0