dynamicalsystem.com
homelab infrastructure services
1#!/bin/bash
2# tin machine list - List existing machine environments
3
4set -euo pipefail
5
6# Get tinsnip root and source libraries
7SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
8TINSNIP_ROOT="$(dirname "$(dirname "$SCRIPT_DIR")")"
9source "$TINSNIP_ROOT/lib/core.sh"
10source "$TINSNIP_ROOT/lib/uid.sh"
11
12# List existing machine environments
13list_machines() {
14 echo "Machine Environments"
15 echo "==================="
16 echo
17
18 # Scan for service users in the system
19 echo "Service Environment UID Status"
20 echo "------- ----------- --- ------"
21
22 local found_any=false
23 local sheet=$(get_sheet)
24 local sheet_num=$(get_sheet_number "$sheet" 2>/dev/null || echo "")
25
26 if [[ -z "$sheet_num" ]]; then
27 echo "Sheet '$sheet' not registered - cannot scan for machines"
28 return 1
29 fi
30
31 # Scan for users matching SMEP pattern for this sheet
32 for service_num in {00..99}; do
33 for env_num in {0..9}; do
34 for port_num in 0; do # Only check base UID (port 0)
35 local smep_uid="${sheet_num}${service_num}${env_num}${port_num}"
36
37 if getent passwd "$smep_uid" >/dev/null 2>&1; then
38 local username=$(getent passwd "$smep_uid" | cut -d: -f1)
39
40 # Parse service and environment from username
41 local parsed_output
42 if parsed_output=$(parse_machine_name "$username" 2>/dev/null); then
43 local service_name=$(echo "$parsed_output" | sed -n '1p')
44 local env_name=$(echo "$parsed_output" | sed -n '2p')
45 local status="Active"
46
47 # Check if mount exists
48 if mountpoint -q "/mnt/$username" 2>/dev/null; then
49 status="Mounted"
50 fi
51
52 printf "%-24s %-12s %-6s %s\n" "$service_name" "$env_name" "$smep_uid" "$status"
53 found_any=true
54 fi
55 fi
56 done
57 done
58 done
59
60 if [[ "$found_any" == "false" ]]; then
61 echo "No machine environments found in sheet '$sheet'"
62 echo ""
63 echo "Create one with: tin machine create <service> <environment>"
64 fi
65}
66
67# Main execution
68list_machines