dynamicalsystem.com
homelab infrastructure services
1#!/bin/bash
2
3# Test edge cases for port allocation strategy
4
5set -euo pipefail
6
7SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
8
9# Source the main functions
10source "$SCRIPT_DIR/validate_functions.sh"
11
12log() {
13 echo "[Port Edge Case Tests] $*"
14}
15
16test_future_service_ports() {
17 log "Testing future service scalability..."
18
19 # Test adding a hypothetical third service (service=2)
20 # UID would be 11200 (prod), 11210 (test)
21
22 local future_service_prod_uid="11200"
23 local future_service_test_uid="11210"
24
25 local prod_ports
26 prod_ports=$(calculate_service_ports "$future_service_prod_uid" 5 | tr '\n' ',' | sed 's/,$//')
27
28 local test_ports
29 test_ports=$(calculate_service_ports "$future_service_test_uid" 5 | tr '\n' ',' | sed 's/,$//')
30
31 echo "Future service ports:"
32 echo " Prod: $prod_ports"
33 echo " Test: $test_ports"
34
35 # Verify no conflicts with existing services
36 local existing_ports=("11000" "11001" "11002" "11010" "11011" "11012" "11100" "11101" "11102" "11110" "11111" "11112")
37 local new_ports=("11200" "11201" "11202" "11203" "11204" "11210" "11211" "11212" "11213" "11214")
38
39 local conflicts=0
40 for new_port in "${new_ports[@]}"; do
41 for existing_port in "${existing_ports[@]}"; do
42 if [[ "$new_port" == "$existing_port" ]]; then
43 echo "✗ Conflict: Port $new_port already in use"
44 ((conflicts++))
45 fi
46 done
47 done
48
49 if [[ $conflicts -eq 0 ]]; then
50 echo "✓ No conflicts with future service ports"
51 else
52 echo "✗ Found $conflicts port conflicts"
53 fi
54}
55
56test_many_ports_per_service() {
57 log "Testing services with many ports..."
58
59 # Test a service that needs 10 ports
60 local service_uid="11010" # station-test
61 local port_count=10
62
63 local ports
64 ports=$(calculate_service_ports "$service_uid" "$port_count")
65
66 echo "Station-test with $port_count ports:"
67 echo "$ports" | tr '\n' ',' | sed 's/,$//' | fold -w 50
68
69 # Verify they're sequential
70 local expected_start=$service_uid
71 local actual_ports
72 actual_ports=($ports)
73
74 local sequential=true
75 for ((i=0; i<port_count; i++)); do
76 local expected=$((expected_start + i))
77 if [[ "${actual_ports[$i]}" != "$expected" ]]; then
78 echo "✗ Port sequence broken at index $i: expected $expected, got ${actual_ports[$i]}"
79 sequential=false
80 fi
81 done
82
83 if [[ "$sequential" == "true" ]]; then
84 echo "✓ All $port_count ports are sequential"
85 fi
86}
87
88test_port_range_boundaries() {
89 log "Testing port range boundaries..."
90
91 # Check that our UIDs don't conflict with well-known ports
92 local services=("11000" "11010" "11100" "11110")
93
94 for service_uid in "${services[@]}"; do
95 if [[ $service_uid -lt 1024 ]]; then
96 echo "✗ UID $service_uid conflicts with privileged port range (<1024)"
97 elif [[ $service_uid -lt 49152 ]]; then
98 echo "✓ UID $service_uid in safe user port range (1024-49151)"
99 else
100 echo "⚠ UID $service_uid in dynamic/ephemeral range (49152-65535)"
101 fi
102 done
103
104 # Check we're not in common service port ranges
105 local common_ports=(22 23 25 53 80 110 143 443 993 995 1433 3306 5432 6379 11211)
106 local our_ports=(11000 11001 11002 11010 11011 11012 11100 11101 11102 11110 11111 11112)
107
108 local conflicts=0
109 for our_port in "${our_ports[@]}"; do
110 for common_port in "${common_ports[@]}"; do
111 if [[ $our_port -eq $common_port ]]; then
112 echo "✗ Our port $our_port conflicts with common service port"
113 ((conflicts++))
114 fi
115 done
116 done
117
118 if [[ $conflicts -eq 0 ]]; then
119 echo "✓ No conflicts with common service ports"
120 fi
121}
122
123main() {
124 echo "Port Allocation Edge Case Tests"
125 echo "==============================="
126 echo
127
128 test_future_service_ports
129 echo
130
131 test_many_ports_per_service
132 echo
133
134 test_port_range_boundaries
135 echo
136
137 log "All edge case tests completed!"
138}
139
140main "$@"