dynamicalsystem.com
homelab infrastructure services
1#!/bin/bash
2# Docker installation validation for tinsnip
3
4set -euo pipefail
5
6# Get script directory and source libraries
7SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
8TINSNIP_ROOT="$(dirname "$SCRIPT_DIR")"
9source "$TINSNIP_ROOT/lib/core.sh"
10
11# Verify Docker installation for a service user
12verify_docker_installation() {
13 local username="$1"
14
15 log_with_prefix "Docker Validation" "Verifying Docker installation for $username..."
16
17 # Use the service .env file (source of truth)
18 local service_env_file="/mnt/$username/.env"
19
20 # Docker context already set up in configure_docker()
21
22 # Debug verification process
23 log_with_prefix "Docker Validation" "Debugging verification process..."
24 log_with_prefix "Docker Validation" " Service env file: $service_env_file"
25
26 if [[ -f "$service_env_file" ]]; then
27 log_with_prefix "Docker Validation" " Environment variables in service .env:"
28 sudo -u "$username" grep "DOCKER\|XDG_RUNTIME" "$service_env_file" | while read line; do
29 log_with_prefix "Docker Validation" " $line"
30 done
31 else
32 log_with_prefix "Docker Validation" " WARNING: Service .env file not found!"
33 fi
34
35 # Test Docker verification with detailed output
36 log_with_prefix "Docker Validation" " Testing Docker command with environment..."
37 if sudo -u "$username" bash -c "source '$service_env_file' 2>/dev/null && docker version"; then
38 log_with_prefix "Docker Validation" "Docker verification successful!"
39 local docker_version
40 docker_version=$(sudo -u "$username" bash -c "source '$service_env_file' && docker --version")
41 log_with_prefix "Docker Validation" "Installed: $docker_version"
42 else
43 log_with_prefix "Docker Validation" "Docker verification failed - showing detailed error:"
44 sudo -u "$username" bash -c "source '$service_env_file' 2>/dev/null && docker version" 2>&1 | while read line; do
45 log_with_prefix "Docker Validation" " ERROR: $line"
46 done
47 error_with_prefix "Docker Validation" "Docker verification failed for $username"
48 return 1
49 fi
50
51 log_with_prefix "Docker Validation" "Service available for user: $username"
52 log_with_prefix "Docker Validation" "Privileged ports: enabled"
53 return 0
54}
55
56# Main validation entry point
57main() {
58 local service_user="${1:-}"
59
60 if [[ -z "$service_user" ]]; then
61 echo "Usage: $0 <service-user>" >&2
62 echo "Example: $0 testservice-prod" >&2
63 exit 1
64 fi
65
66 # Check if user exists
67 if ! id "$service_user" &>/dev/null; then
68 error_with_prefix "Docker Validation" "User $service_user does not exist"
69 exit 1
70 fi
71
72 verify_docker_installation "$service_user"
73 log_with_prefix "Docker Validation" "✅ All Docker validation checks passed"
74}
75
76# Run main if called directly
77if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
78 main "$@"
79fi