| 1 | from fastapi import APIRouter |
| 2 | from fastapi import Depends |
| 3 | from fastapi import Query |
| 4 | from fastapi import Security |
| 5 | from sqlalchemy.ext.asyncio import AsyncSession |
| 6 | |
| 7 | from app.auth.utils import AuthHandler |
| 8 | from app.connectors.influxdb.schema.metrics import HostsResponse |
| 9 | from app.connectors.influxdb.schema.metrics import MetricsResponse |
| 10 | from app.connectors.influxdb.services.metrics import get_cpu_metrics |
| 11 | from app.connectors.influxdb.services.metrics import get_disk_metrics |
| 12 | from app.connectors.influxdb.services.metrics import get_hosts |
| 13 | from app.connectors.influxdb.services.metrics import get_kernel_metrics |
| 14 | from app.connectors.influxdb.services.metrics import get_memory_metrics |
| 15 | from app.connectors.influxdb.services.metrics import get_network_metrics |
| 16 | from app.connectors.influxdb.services.metrics import get_process_metrics |
| 17 | from app.connectors.influxdb.services.metrics import get_summary |
| 18 | from app.db.db_session import get_db |
| 19 | |
| 20 | influxdb_metrics_router = APIRouter() |
| 21 | |
| 22 | |
| 23 | @influxdb_metrics_router.get( |
| 24 | "/hosts", |
| 25 | response_model=HostsResponse, |
| 26 | description="Get available hosts from InfluxDB metrics", |
| 27 | dependencies=[Security(AuthHandler().require_any_scope("admin", "analyst"))], |
| 28 | ) |
| 29 | async def get_hosts_route( |
| 30 | session: AsyncSession = Depends(get_db), |
| 31 | ) -> HostsResponse: |
| 32 | """ |
| 33 | Get a list of all hosts reporting metrics to InfluxDB. |
| 34 | """ |
| 35 | return await get_hosts(session) |
| 36 | |
| 37 | |
| 38 | @influxdb_metrics_router.get( |
| 39 | "/summary", |
| 40 | response_model=MetricsResponse, |
| 41 | description="Get system summary metrics for a host", |
| 42 | dependencies=[Security(AuthHandler().require_any_scope("admin", "analyst"))], |
| 43 | ) |
| 44 | async def get_summary_route( |
| 45 | host: str = Query(..., description="Hostname to retrieve metrics for"), |
| 46 | range_h: str = Query("1", description="Number of hours to look back"), |
| 47 | session: AsyncSession = Depends(get_db), |
| 48 | ) -> MetricsResponse: |
| 49 | """ |
| 50 | Get a summary of system metrics for a host including uptime, CPU count, |
| 51 | memory, processes, swap, and system load time-series. |
| 52 | """ |
| 53 | return await get_summary(host, range_h, session) |
| 54 | |
| 55 | |
| 56 | @influxdb_metrics_router.get( |
| 57 | "/cpu", |
| 58 | response_model=MetricsResponse, |
| 59 | description="Get CPU metrics for a host", |
| 60 | dependencies=[Security(AuthHandler().require_any_scope("admin", "analyst"))], |
| 61 | ) |
| 62 | async def get_cpu_route( |
| 63 | host: str = Query(..., description="Hostname to retrieve metrics for"), |
| 64 | range_h: str = Query("1", description="Number of hours to look back"), |
| 65 | session: AsyncSession = Depends(get_db), |
| 66 | ) -> MetricsResponse: |
| 67 | """ |
| 68 | Get CPU usage time-series: system, user, iowait, and softirq. |
| 69 | """ |
| 70 | return await get_cpu_metrics(host, range_h, session) |
| 71 | |
| 72 | |
| 73 | @influxdb_metrics_router.get( |
| 74 | "/memory", |
| 75 | response_model=MetricsResponse, |
| 76 | description="Get memory metrics for a host", |
| 77 | dependencies=[Security(AuthHandler().require_any_scope("admin", "analyst"))], |
| 78 | ) |
| 79 | async def get_memory_route( |
| 80 | host: str = Query(..., description="Hostname to retrieve metrics for"), |
| 81 | range_h: str = Query("1", description="Number of hours to look back"), |
| 82 | session: AsyncSession = Depends(get_db), |
| 83 | ) -> MetricsResponse: |
| 84 | """ |
| 85 | Get memory usage time-series and swap info. |
| 86 | """ |
| 87 | return await get_memory_metrics(host, range_h, session) |
| 88 | |
| 89 | |
| 90 | @influxdb_metrics_router.get( |
| 91 | "/kernel", |
| 92 | response_model=MetricsResponse, |
| 93 | description="Get kernel metrics for a host", |
| 94 | dependencies=[Security(AuthHandler().require_any_scope("admin", "analyst"))], |
| 95 | ) |
| 96 | async def get_kernel_route( |
| 97 | host: str = Query(..., description="Hostname to retrieve metrics for"), |
| 98 | range_h: str = Query("1", description="Number of hours to look back"), |
| 99 | session: AsyncSession = Depends(get_db), |
| 100 | ) -> MetricsResponse: |
| 101 | """ |
| 102 | Get kernel metrics: interrupts and processes forked (rate per second). |
| 103 | """ |
| 104 | return await get_kernel_metrics(host, range_h, session) |
| 105 | |
| 106 | |
| 107 | @influxdb_metrics_router.get( |
| 108 | "/disks", |
| 109 | response_model=MetricsResponse, |
| 110 | description="Get disk metrics for a host", |
| 111 | dependencies=[Security(AuthHandler().require_any_scope("admin", "analyst"))], |
| 112 | ) |
| 113 | async def get_disks_route( |
| 114 | host: str = Query(..., description="Hostname to retrieve metrics for"), |
| 115 | range_h: str = Query("1", description="Number of hours to look back"), |
| 116 | session: AsyncSession = Depends(get_db), |
| 117 | ) -> MetricsResponse: |
| 118 | """ |
| 119 | Get disk metrics: total size, usage percent by path, I/O throughput by device, |
| 120 | and inode usage. |
| 121 | """ |
| 122 | return await get_disk_metrics(host, range_h, session) |
| 123 | |
| 124 | |
| 125 | @influxdb_metrics_router.get( |
| 126 | "/processes", |
| 127 | response_model=MetricsResponse, |
| 128 | description="Get process metrics for a host", |
| 129 | dependencies=[Security(AuthHandler().require_any_scope("admin", "analyst"))], |
| 130 | ) |
| 131 | async def get_processes_route( |
| 132 | host: str = Query(..., description="Hostname to retrieve metrics for"), |
| 133 | range_h: str = Query("1", description="Number of hours to look back"), |
| 134 | session: AsyncSession = Depends(get_db), |
| 135 | ) -> MetricsResponse: |
| 136 | """ |
| 137 | Get process metrics: status time-series (running, sleeping, zombies, stopped, blocked) |
| 138 | and current counts per state. |
| 139 | """ |
| 140 | return await get_process_metrics(host, range_h, session) |
| 141 | |
| 142 | |
| 143 | @influxdb_metrics_router.get( |
| 144 | "/network", |
| 145 | response_model=MetricsResponse, |
| 146 | description="Get network metrics for a host", |
| 147 | dependencies=[Security(AuthHandler().require_any_scope("admin", "analyst"))], |
| 148 | ) |
| 149 | async def get_network_route( |
| 150 | host: str = Query(..., description="Hostname to retrieve metrics for"), |
| 151 | range_h: str = Query("1", description="Number of hours to look back"), |
| 152 | session: AsyncSession = Depends(get_db), |
| 153 | ) -> MetricsResponse: |
| 154 | """ |
| 155 | Get network metrics: traffic (bytes/sec by interface), TCP established connections, |
| 156 | and interface errors. |
| 157 | """ |
| 158 | return await get_network_metrics(host, range_h, session) |