1  #!/usr/bin/env bash
 2  
 3  # swivel - Easily switch between running glances servers.
 4  #
 5  # Usage:
 6  # swivel 10.0.0.10 10.0.0.11 10.0.0.12
 7  
 8  set -euo pipefail
 9  
10  # Dependency check
11  missing_deps=()
12  command -v gum >/dev/null || missing_deps+=(gum)
13  command -v glances >/dev/null || missing_deps+=(glances)
14  
15  if (( "${#missing_deps[@]}" != 0 )); then
16      echo "Missing dependencies:" "${missing_deps[@]}"
17      exit 1
18  fi
19  
20  # Check number of args supplied at cli
21  if (( "${#@}" == 0 )); then
22      echo "At least one IP address or hostname must be supplied."
23      echo ""
24      echo "Usage: swivel <ip_addr0> <ip_addr1> ... <ip addrN>"
25      exit 1
26  fi
27  
28  while
29      selection=$(gum choose "${@}" "Exit" --limit=1 --header="Selection:")
30      [[ "$selection" != "Exit" ]] && glances -c "@$selection" -p 61209
31  do true; done