connectivity

1#!/bin/bash
2# Connectivity Services Health Check Script
3# {{ ansible_managed }}
4
5set -euo pipefail
6
7# Configuration
8DOCKER_BASE_PATH="{{ connectivity_docker_base_path }}"
9HOST_IP="{{ ansible_default_ipv4.address }}"
10
11# Colors for output
12RED='\033[0;31m'
13GREEN='\033[0;32m'
14YELLOW='\033[1;33m'
15BLUE='\033[0;34m'
16NC='\033[0m' # No Color
17
18# Logging function
19log() {
20    echo -e "[$(date +'%Y-%m-%d %H:%M:%S')] $1"
21}
22
23# Check if service is running
24check_container() {
25    local container_name="$1"
26    local service_name="$2"
27    
28    if docker ps --format "table {{.Names}}" | grep -q "^${container_name}$"; then
29        log "${GREEN}✓${NC} ${service_name} container is running"
30        return 0
31    else
32        log "${RED}✗${NC} ${service_name} container is not running"
33        return 1
34    fi
35}
36
37# Check if port is listening
38check_port() {
39    local port="$1"
40    local service_name="$2"
41    local protocol="${3:-tcp}"
42    
43    if nc -z "${HOST_IP}" "${port}" 2>/dev/null; then
44        log "${GREEN}✓${NC} ${service_name} is listening on port ${port}/${protocol}"
45        return 0
46    else
47        log "${RED}✗${NC} ${service_name} is not listening on port ${port}/${protocol}"
48        return 1
49    fi
50}
51
52# Check HTTP endpoint
53check_http() {
54    local url="$1"
55    local service_name="$2"
56    
57    if curl -sf "${url}" > /dev/null 2>&1; then
58        log "${GREEN}✓${NC} ${service_name} HTTP endpoint is responding"
59        return 0
60    else
61        log "${RED}✗${NC} ${service_name} HTTP endpoint is not responding"
62        return 1
63    fi
64}
65
66# Check DNS resolution
67check_dns() {
68    local dns_server="$1"
69    local test_domain="${2:-google.com}"
70    
71    if dig "@${dns_server}" "${test_domain}" +short | grep -q "^[0-9]"; then
72        log "${GREEN}✓${NC} DNS resolution working through ${dns_server}"
73        return 0
74    else
75        log "${RED}✗${NC} DNS resolution failed through ${dns_server}"
76        return 1
77    fi
78}
79
80# Main health check function
81main() {
82    log "${BLUE}Starting Connectivity Services Health Check${NC}"
83    log "Host: ${HOST_IP}"
84    echo
85    
86    local overall_status=0
87    
88    # Docker daemon check
89    if ! docker info > /dev/null 2>&1; then
90        log "${RED}✗${NC} Docker daemon is not running"
91        exit 1
92    fi
93    log "${GREEN}✓${NC} Docker daemon is running"
94    echo
95    
96    # Service checks
97{% if connectivity_wireguard_enabled %}
98    log "${YELLOW}Checking WireGuard VPN...${NC}"
99    check_container "{{ connectivity_wireguard_container_name }}" "WireGuard" || overall_status=1
100    check_port "{{ connectivity_wireguard_web_port }}" "WireGuard Web UI" "tcp" || overall_status=1
101    check_http "http://${HOST_IP}:{{ connectivity_wireguard_web_port }}" "WireGuard Web UI" || overall_status=1
102    echo
103{% endif %}
104
105{% if connectivity_nginx_proxy_enabled %}
106    log "${YELLOW}Checking Nginx Proxy Manager...${NC}"
107    check_container "{{ connectivity_nginx_proxy_container_name }}" "Nginx Proxy Manager" || overall_status=1
108    check_port "{{ connectivity_nginx_proxy_admin_port }}" "Nginx Proxy Admin" "tcp" || overall_status=1
109    check_port "{{ connectivity_nginx_proxy_http_port }}" "HTTP Proxy" "tcp" || overall_status=1
110    check_port "{{ connectivity_nginx_proxy_https_port }}" "HTTPS Proxy" "tcp" || overall_status=1
111    check_http "http://${HOST_IP}:{{ connectivity_nginx_proxy_admin_port }}" "Nginx Proxy Admin UI" || overall_status=1
112{% if connectivity_nginx_proxy_db_enabled %}
113    check_container "{{ connectivity_nginx_proxy_db_container_name }}" "Nginx Proxy Database" || overall_status=1
114{% endif %}
115    echo
116{% endif %}
117
118{% if connectivity_unbound_enabled %}
119    log "${YELLOW}Checking Unbound DNS...${NC}"
120    check_container "{{ connectivity_unbound_container_name }}" "Unbound" || overall_status=1
121    check_port "{{ connectivity_unbound_port }}" "Unbound DNS" "udp" || overall_status=1
122    echo
123{% endif %}
124
125{% if connectivity_pihole_enabled %}
126    log "${YELLOW}Checking Pi-hole DNS...${NC}"
127    check_container "{{ connectivity_pihole_container_name }}" "Pi-hole" || overall_status=1
128    check_port "{{ connectivity_pihole_dns_port }}" "Pi-hole DNS" "udp" || overall_status=1
129    check_port "{{ connectivity_pihole_web_port }}" "Pi-hole Web UI" "tcp" || overall_status=1
130    check_http "http://${HOST_IP}:{{ connectivity_pihole_web_port }}" "Pi-hole Web UI" || overall_status=1
131    check_dns "${HOST_IP}" "google.com" || overall_status=1
132    echo
133{% endif %}
134
135    # Network connectivity check
136    log "${YELLOW}Checking network connectivity...${NC}"
137    if ping -c 1 8.8.8.8 > /dev/null 2>&1; then
138        log "${GREEN}✓${NC} Internet connectivity is working"
139    else
140        log "${RED}✗${NC} Internet connectivity is not working"
141        overall_status=1
142    fi
143    echo
144    
145    # Disk space check
146    log "${YELLOW}Checking disk space...${NC}"
147    local disk_usage=$(df "${DOCKER_BASE_PATH}" | tail -1 | awk '{print $5}' | sed 's/%//')
148    if [ "${disk_usage}" -lt 90 ]; then
149        log "${GREEN}✓${NC} Disk space is adequate (${disk_usage}% used)"
150    else
151        log "${YELLOW}⚠${NC} Disk space is running low (${disk_usage}% used)"
152    fi
153    echo
154    
155    # Summary
156    if [ ${overall_status} -eq 0 ]; then
157        log "${GREEN}✓ All connectivity services are healthy${NC}"
158    else
159        log "${RED}✗ Some connectivity services have issues${NC}"
160        log "${BLUE}Check individual service logs: docker logs <service_name>${NC}"
161    fi
162    
163    exit ${overall_status}
164}
165
166main "$@"