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49 lines
1.8 KiB
Markdown
49 lines
1.8 KiB
Markdown
# OpenTelemetry Metrics (Current Execd Support)
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This page lists the OpenTelemetry metrics currently implemented in execd.
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## Meter
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- `opensandbox/execd`
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## Metrics
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| Metric | Type | Unit | Attributes | Meaning |
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| `execd.http.request.duration` | Histogram | `ms` | `http_method`, `http_route`, `http_status_code` | HTTP request latency. |
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| `execd.execution.duration` | Histogram | `ms` | `operation`, `result` | Code/command execution duration. |
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| `execd.filesystem.operations.duration` | Histogram | `ms` | `operation`, `result` | Filesystem operation duration. |
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| `execd.system.process.count` | Observable Gauge | - | - | Current process count. |
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| `execd.system.cpu.usage` | Observable Gauge | `%` | - | System CPU usage percent (gopsutil). |
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| `execd.system.memory.usage_bytes` | Observable Gauge | `By` | - | System memory used bytes (gopsutil). |
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| `execd.system.network.io.bytes` | Observable Counter | `By` | `direction` (`in`/`out`) | Cumulative network I/O bytes. |
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| `execd.system.network.connections.active` | Observable Gauge | - | `protocol` (`tcp`/`udp`) | Current active network connections. |
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## Shared Attributes
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All execd metrics may include shared attributes:
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- `sandbox_id` from `OPENSANDBOX_ID` (when set)
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- extra key/value attributes from `OPENSANDBOX_EXECD_METRICS_EXTRA_ATTRS` (when set)
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## OTEL Endpoint Configuration
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Metric export is enabled only when at least one OTLP endpoint is set.
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- `OTEL_EXPORTER_OTLP_METRICS_ENDPOINT` (preferred)
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- `OTEL_EXPORTER_OTLP_ENDPOINT` (fallback)
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If both are unset, execd keeps metrics local (no OTLP export).
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### Minimal Example
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```bash
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export OTEL_EXPORTER_OTLP_METRICS_ENDPOINT="http://otel-collector:4318"
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```
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### Optional Service Name
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```bash
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export OTEL_SERVICE_NAME="opensandbox-execd"
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```
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