Files
ResolveSpec/pkg/metrics/config.go
2026-01-02 13:48:31 +02:00

65 lines
2.5 KiB
Go

package metrics
// Config holds configuration for the metrics provider
type Config struct {
// Enabled determines whether metrics collection is enabled
Enabled bool `mapstructure:"enabled"`
// Provider specifies which metrics provider to use (prometheus, noop)
Provider string `mapstructure:"provider"`
// Namespace is an optional prefix for all metric names
Namespace string `mapstructure:"namespace"`
// HTTPRequestBuckets defines histogram buckets for HTTP request duration (in seconds)
// Default: [0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10]
HTTPRequestBuckets []float64 `mapstructure:"http_request_buckets"`
// DBQueryBuckets defines histogram buckets for database query duration (in seconds)
// Default: [0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5]
DBQueryBuckets []float64 `mapstructure:"db_query_buckets"`
// PushgatewayURL is the URL of the Prometheus Pushgateway (optional)
// If set, metrics will be pushed to this gateway instead of only being scraped
// Example: "http://pushgateway:9091"
PushgatewayURL string `mapstructure:"pushgateway_url"`
// PushgatewayJobName is the job name to use when pushing metrics to Pushgateway
// Default: "resolvespec"
PushgatewayJobName string `mapstructure:"pushgateway_job_name"`
// PushgatewayInterval is the interval at which to push metrics to Pushgateway
// Only used if PushgatewayURL is set. If 0, automatic pushing is disabled.
// Default: 0 (no automatic pushing)
PushgatewayInterval int `mapstructure:"pushgateway_interval"`
}
// DefaultConfig returns a Config with sensible defaults
func DefaultConfig() *Config {
return &Config{
Enabled: true,
Provider: "prometheus",
// HTTP requests typically take longer than DB queries
HTTPRequestBuckets: []float64{0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10},
// DB queries are usually faster
DBQueryBuckets: []float64{0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5},
}
}
// ApplyDefaults fills in any missing values with defaults
func (c *Config) ApplyDefaults() {
if c.Provider == "" {
c.Provider = "prometheus"
}
if len(c.HTTPRequestBuckets) == 0 {
c.HTTPRequestBuckets = []float64{0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10}
}
if len(c.DBQueryBuckets) == 0 {
c.DBQueryBuckets = []float64{0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5}
}
// Set default job name if pushgateway is configured but job name is empty
if c.PushgatewayURL != "" && c.PushgatewayJobName == "" {
c.PushgatewayJobName = "resolvespec"
}
}