init

symon.toml

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+# Symon Configuration File
+# Lightweight system metrics exporter for OpenTelemetry
+
+# Collection interval in seconds
+# How often to collect system metrics
+collection_interval_secs = 5
+
+# OTLP configuration
+[otlp]
+# OTLP endpoint (gRPC)
+endpoint = "http://localhost:4317"
+
+# Export interval in seconds
+# How often to export metrics to OTLP collector
+export_interval_secs = 10
+
+# Service name that will appear in metrics
+service_name = "symon"
+
+# Service version
+service_version = "0.1.0"
+
+# Export timeout in seconds
+export_timeout_secs = 30
+
+# Additional resource attributes (key-value pairs)
+[otlp.resource_attributes]
+environment = "production"
+# host = "server-01"
+# datacenter = "us-east-1"
+
+# Metrics configuration - enable/disable specific metric types
+[metrics]
+cpu = true           # CPU usage per core
+memory = true        # RAM and swap usage
+network = true       # Network RX/TX
+disk = true          # Disk usage
+processes = false    # Top 10 processes (disabled by default - can generate high cardinality)
+temperature = true   # System temperatures (if available)
+
+# Process filtering configuration
+# Only used when processes = true
+[metrics.process_filter]
+# Option 1: Use an external file for server-specific process lists
+# include = "processes.toml"
+
+# Option 2: Configure inline
+# Filter mode: "whitelist" (only listed processes) or "blacklist" (exclude listed)
+filter_mode = "whitelist"
+
+# List of process names to filter (case-insensitive substring match)
+names = [
+    # Web servers
+    "nginx",
+    "apache",
+
+    # Databases
+    "postgres",
+    "mysql",
+    "redis",
+
+    # Application servers
+    # "java",
+    # "node",
+    # "python",
+]
+
+# List of regex patterns to match process names (case-sensitive)
+patterns = [
+    # Example: Match specific versions
+    # "^nginx-[0-9.]+$",
+    # "^node-v[0-9]+",
+]
+
+# List of specific process PIDs to filter
+pids = []