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Merged
NormB merged 1 commit into from
Jan 13, 2026
Merged

feat: add VoIP stack Grafana dashboards and Prometheus targets #123

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170 changes: 170 additions & 0 deletions configs/grafana/dashboards/asterisk-overview.json
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{
"title": "Asterisk Overview",
"uid": "asterisk-overview",
"tags": ["voip", "asterisk", "pbx", "sip"],
"refresh": "30s",
"time": {
"from": "now-1h",
"to": "now"
},
"panels": [
{
"title": "Asterisk VM Status",
"type": "stat",
"gridPos": {"h": 4, "w": 6, "x": 0, "y": 0},
"targets": [
{
"expr": "up{job=\"voip-nodes\", instance=\"pbx-1\"}",
"legendFormat": "pbx-1",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"mappings": [{"type": "value", "options": {"0": {"text": "DOWN", "color": "red"}, "1": {"text": "UP", "color": "green"}}}],
"thresholds": {"mode": "absolute", "steps": [{"color": "red", "value": 0}, {"color": "green", "value": 1}]}
}
},
"options": {"colorMode": "background", "graphMode": "none"},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Asterisk Info",
"type": "text",
"gridPos": {"h": 4, "w": 18, "x": 6, "y": 0},
"options": {
"mode": "markdown",
"content": "## Asterisk PBX (pbx-1)\n\n**Role:** Call processing, voicemail, IVR, recording\n\n| Port | Protocol | Purpose |\n|------|----------|--------|\n| 5080 | UDP | SIP (internal) |\n| 5038 | TCP | AMI (Asterisk Manager Interface) |\n| 8088 | TCP | ARI (Asterisk REST Interface) |\n\n*Note: Asterisk-specific metrics require asterisk_exporter to be installed*"
}
},
{
"title": "CPU Usage",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 4},
"targets": [
{
"expr": "100 - (avg(irate(node_cpu_seconds_total{job=\"voip-nodes\", instance=\"pbx-1\", mode=\"idle\"}[5m])) * 100)",
"legendFormat": "CPU %",
"refId": "A"
}
],
"fieldConfig": {"defaults": {"unit": "percent", "min": 0, "max": 100}},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Memory Usage",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 4},
"targets": [
{
"expr": "node_memory_MemTotal_bytes{job=\"voip-nodes\", instance=\"pbx-1\"} - node_memory_MemAvailable_bytes{job=\"voip-nodes\", instance=\"pbx-1\"}",
"legendFormat": "Used",
"refId": "A"
},
{
"expr": "node_memory_MemAvailable_bytes{job=\"voip-nodes\", instance=\"pbx-1\"}",
"legendFormat": "Available",
"refId": "B"
}
],
"fieldConfig": {"defaults": {"unit": "bytes"}},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Network I/O",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 12},
"targets": [
{
"expr": "rate(node_network_receive_bytes_total{job=\"voip-nodes\", instance=\"pbx-1\", device=\"lima0\"}[5m])",
"legendFormat": "RX",
"refId": "A"
},
{
"expr": "rate(node_network_transmit_bytes_total{job=\"voip-nodes\", instance=\"pbx-1\", device=\"lima0\"}[5m])",
"legendFormat": "TX",
"refId": "B"
}
],
"fieldConfig": {"defaults": {"unit": "Bps"}},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Disk I/O (Recording Storage)",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 12},
"targets": [
{
"expr": "rate(node_disk_read_bytes_total{job=\"voip-nodes\", instance=\"pbx-1\"}[5m])",
"legendFormat": "Read",
"refId": "A"
},
{
"expr": "rate(node_disk_written_bytes_total{job=\"voip-nodes\", instance=\"pbx-1\"}[5m])",
"legendFormat": "Write",
"refId": "B"
}
],
"fieldConfig": {"defaults": {"unit": "Bps"}},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Disk Usage",
"type": "gauge",
"gridPos": {"h": 6, "w": 8, "x": 0, "y": 20},
"targets": [
{
"expr": "(1 - (node_filesystem_avail_bytes{job=\"voip-nodes\", instance=\"pbx-1\", mountpoint=\"/\"} / node_filesystem_size_bytes{job=\"voip-nodes\", instance=\"pbx-1\", mountpoint=\"/\"})) * 100",
"legendFormat": "Root",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"unit": "percent",
"min": 0,
"max": 100,
"thresholds": {"mode": "absolute", "steps": [{"color": "green", "value": 0}, {"color": "yellow", "value": 70}, {"color": "red", "value": 85}]}
}
},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Process Count",
"type": "stat",
"gridPos": {"h": 6, "w": 8, "x": 8, "y": 20},
"targets": [
{
"expr": "node_procs_running{job=\"voip-nodes\", instance=\"pbx-1\"}",
"legendFormat": "Running",
"refId": "A"
},
{
"expr": "node_procs_blocked{job=\"voip-nodes\", instance=\"pbx-1\"}",
"legendFormat": "Blocked",
"refId": "B"
}
],
"options": {"colorMode": "value", "graphMode": "area"},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "File Descriptors",
"type": "timeseries",
"gridPos": {"h": 6, "w": 8, "x": 16, "y": 20},
"targets": [
{
"expr": "node_filefd_allocated{job=\"voip-nodes\", instance=\"pbx-1\"}",
"legendFormat": "Allocated",
"refId": "A"
},
{
"expr": "node_filefd_maximum{job=\"voip-nodes\", instance=\"pbx-1\"}",
"legendFormat": "Maximum",
"refId": "B"
}
],
"datasource": {"type": "prometheus", "uid": "Prometheus"}
}
]
}
143 changes: 143 additions & 0 deletions configs/grafana/dashboards/opensips-overview.json
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{
"title": "OpenSIPS Overview",
"uid": "opensips-overview",
"tags": ["voip", "opensips", "sip", "proxy"],
"refresh": "30s",
"time": {
"from": "now-1h",
"to": "now"
},
"panels": [
{
"title": "OpenSIPS VM Status",
"type": "stat",
"gridPos": {"h": 4, "w": 6, "x": 0, "y": 0},
"targets": [
{
"expr": "up{job=\"voip-nodes\", instance=\"sip-1\"}",
"legendFormat": "sip-1",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"mappings": [{"type": "value", "options": {"0": {"text": "DOWN", "color": "red"}, "1": {"text": "UP", "color": "green"}}}],
"thresholds": {"mode": "absolute", "steps": [{"color": "red", "value": 0}, {"color": "green", "value": 1}]}
}
},
"options": {"colorMode": "background", "graphMode": "none"},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "OpenSIPS Info",
"type": "text",
"gridPos": {"h": 4, "w": 18, "x": 6, "y": 0},
"options": {
"mode": "markdown",
"content": "## OpenSIPS SIP Proxy (sip-1)\n\n**Role:** SIP registration, routing, load balancing\n\n| Port | Protocol | Purpose |\n|------|----------|--------|\n| 5060 | UDP/TCP | SIP Signaling |\n| 5061 | TCP | SIP/TLS |\n| 8080 | TCP | WebSocket |\n| 8443 | TCP | WebSocket Secure |\n\n*Note: OpenSIPS-specific metrics require opensips_exporter to be installed*"
}
},
{
"title": "CPU Usage",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 4},
"targets": [
{
"expr": "100 - (avg(irate(node_cpu_seconds_total{job=\"voip-nodes\", instance=\"sip-1\", mode=\"idle\"}[5m])) * 100)",
"legendFormat": "CPU %",
"refId": "A"
}
],
"fieldConfig": {"defaults": {"unit": "percent", "min": 0, "max": 100, "color": {"mode": "palette-classic"}}},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Memory Usage",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 4},
"targets": [
{
"expr": "node_memory_MemTotal_bytes{job=\"voip-nodes\", instance=\"sip-1\"} - node_memory_MemAvailable_bytes{job=\"voip-nodes\", instance=\"sip-1\"}",
"legendFormat": "Used",
"refId": "A"
},
{
"expr": "node_memory_MemAvailable_bytes{job=\"voip-nodes\", instance=\"sip-1\"}",
"legendFormat": "Available",
"refId": "B"
}
],
"fieldConfig": {"defaults": {"unit": "bytes"}},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Network I/O",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 12},
"targets": [
{
"expr": "rate(node_network_receive_bytes_total{job=\"voip-nodes\", instance=\"sip-1\", device=\"lima0\"}[5m])",
"legendFormat": "RX",
"refId": "A"
},
{
"expr": "rate(node_network_transmit_bytes_total{job=\"voip-nodes\", instance=\"sip-1\", device=\"lima0\"}[5m])",
"legendFormat": "TX",
"refId": "B"
}
],
"fieldConfig": {"defaults": {"unit": "Bps"}},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "Network Packets",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 12},
"targets": [
{
"expr": "rate(node_network_receive_packets_total{job=\"voip-nodes\", instance=\"sip-1\", device=\"lima0\"}[5m])",
"legendFormat": "RX Packets",
"refId": "A"
},
{
"expr": "rate(node_network_transmit_packets_total{job=\"voip-nodes\", instance=\"sip-1\", device=\"lima0\"}[5m])",
"legendFormat": "TX Packets",
"refId": "B"
}
],
"fieldConfig": {"defaults": {"unit": "pps"}},
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "UDP Connections (SIP Traffic Indicator)",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 20},
"targets": [
{
"expr": "node_sockstat_UDP_inuse{job=\"voip-nodes\", instance=\"sip-1\"}",
"legendFormat": "UDP Sockets",
"refId": "A"
}
],
"datasource": {"type": "prometheus", "uid": "Prometheus"}
},
{
"title": "TCP Connections",
"type": "timeseries",
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 20},
"targets": [
{
"expr": "node_sockstat_TCP_inuse{job=\"voip-nodes\", instance=\"sip-1\"}",
"legendFormat": "TCP Established",
"refId": "A"
},
{
"expr": "node_sockstat_TCP_tw{job=\"voip-nodes\", instance=\"sip-1\"}",
"legendFormat": "TCP Time-Wait",
"refId": "B"
}
],
"datasource": {"type": "prometheus", "uid": "Prometheus"}
}
]
}
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