76 lines
2.7 KiB
Django/Jinja
76 lines
2.7 KiB
Django/Jinja
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#!/usr/bin/env bash
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set -uo pipefail
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source '{{ healthcheck_install_root }}/health-common.sh'
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require_command docker
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require_command curl
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require_command dig
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require_command ss
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require_command df
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check_compose
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container='adguardhome'
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if ! docker inspect "$container" >/dev/null 2>&1; then
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record critical 'adguardhome_container_missing'
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else
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running="$(docker inspect "$container" --format '{{ '{{' }}.State.Running{{ '}}' }}' 2>/dev/null)"
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[[ "$running" == true ]] || record critical 'adguardhome_container_not_running'
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fi
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config_check="$(docker exec "$container" /opt/adguardhome/AdGuardHome --check-config \
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-c /opt/adguardhome/conf/AdGuardHome.yaml 2>&1 || true)"
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if grep -qiE 'error|invalid|fatal' <<<"$config_check"; then
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record critical 'adguardhome_config_invalid'
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else
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record ok 'adguardhome_config_valid'
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fi
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if ss -H -ltn 2>/dev/null | awk '{print $4}' | grep -Eq '(^|:)53$'; then
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record ok 'dns_tcp_53_listening'
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else
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record critical 'dns_tcp_53_missing'
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fi
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if ss -H -uln 2>/dev/null | awk '{print $4}' | grep -Eq '(^|:)53$'; then
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record ok 'dns_udp_53_listening'
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else
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record critical 'dns_udp_53_missing'
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fi
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if ss -H -ltn 2>/dev/null | awk '{print $4}' | grep -Eq '(^|:)80$'; then
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record ok 'ui_http_80_listening'
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else
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record critical 'ui_http_80_missing'
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fi
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dns_a="$(dig +time=5 +tries=1 @192.168.66.36 example.com A +noall +answer 2>/dev/null)"
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[[ -n "$dns_a" ]] && record ok 'dns_example_a' || record critical 'dns_example_a_failed'
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dns_aaaa="$(dig +time=5 +tries=1 @192.168.66.36 example.com AAAA +noall +answer 2>/dev/null)"
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[[ -n "$dns_aaaa" ]] && record ok 'dns_example_aaaa' || record warning 'dns_example_aaaa_none'
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dns_local="$(dig +time=5 +tries=1 @192.168.66.36 hass.windy.lan A +noall +answer 2>/dev/null)"
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[[ -n "$dns_local" ]] && record ok 'dns_local_name' || record warning 'dns_local_name_unresolved'
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ui_code="$(curl --silent --show-error --output /dev/null --write-out '%{http_code}' --max-time 10 http://192.168.66.36/ 2>/dev/null || true)"
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case "$ui_code" in
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200|301|302) record ok "ui_http_${ui_code}" ;;
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'') record critical 'ui_unreachable' ;;
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*) record critical "ui_http_${ui_code}" ;;
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esac
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usage="$(df -P /opt/adguardhome/work 2>/dev/null | awk 'NR==2 {print $5}' | tr -d '%')"
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if [[ "$usage" =~ ^[0-9]+$ ]]; then
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if (( usage >= 90 )); then record critical 'disk_usage_high'
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elif (( usage >= 80 )); then record warning 'disk_usage_elevated'
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else record ok 'disk_usage_ok'; fi
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else
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record unknown 'disk_usage_unknown'
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fi
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logs="$(docker logs --since 30m "$container" 2>&1 || true)"
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if grep -qiE '\[(error|warn|fatal)\]|level=(error|warn|fatal)' <<<"$logs"; then
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record warning 'adguardhome_log_errors'
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else
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record ok 'adguardhome_logs_clean'
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fi
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emit_result
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exit "$EXIT_CODE"
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