feat(config): add CA certificate config value

Signed-off-by: Xe Iaso <me@xeiaso.net>
This commit is contained in:
Xe Iaso
2026-04-22 19:32:11 -04:00
parent b66630df74
commit dfeb02b4ae
6 changed files with 101 additions and 11 deletions
+26 -11
View File
@@ -2,6 +2,7 @@ package config
import (
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"os"
@@ -9,17 +10,18 @@ import (
)
var (
ErrInvalidMetricsConfig = errors.New("config: invalid metrics configuration")
ErrInvalidMetricsTLSConfig = errors.New("config: invalid metrics TLS configuration")
ErrNoMetricsBind = errors.New("config.Metrics: must define bind")
ErrNoMetricsNetwork = errors.New("config.Metrics: must define network")
ErrNoMetricsSocketMode = errors.New("config.Metrics: must define socket mode when using unix sockets")
ErrInvalidMetricsSocketMode = errors.New("config.Metrics: invalid unix socket mode")
ErrInvalidMetricsNetwork = errors.New("config.Metrics: invalid metrics network")
ErrNoMetricsTLSCertificate = errors.New("config.Metrics.TLS: must define certificate file")
ErrNoMetricsTLSKey = errors.New("config.Metrics.TLS: must define key file")
ErrInvalidMetricsTLSKeypair = errors.New("config.Metrics.TLS: keypair is invalid")
ErrCantReadFile = errors.New("config: can't read required file")
ErrInvalidMetricsConfig = errors.New("config: invalid metrics configuration")
ErrInvalidMetricsTLSConfig = errors.New("config: invalid metrics TLS configuration")
ErrNoMetricsBind = errors.New("config.Metrics: must define bind")
ErrNoMetricsNetwork = errors.New("config.Metrics: must define network")
ErrNoMetricsSocketMode = errors.New("config.Metrics: must define socket mode when using unix sockets")
ErrInvalidMetricsSocketMode = errors.New("config.Metrics: invalid unix socket mode")
ErrInvalidMetricsNetwork = errors.New("config.Metrics: invalid metrics network")
ErrNoMetricsTLSCertificate = errors.New("config.Metrics.TLS: must define certificate file")
ErrNoMetricsTLSKey = errors.New("config.Metrics.TLS: must define key file")
ErrInvalidMetricsTLSKeypair = errors.New("config.Metrics.TLS: keypair is invalid")
ErrInvalidMetricsCACertificate = errors.New("config.Metrics.TLS: invalid CA certificate")
ErrCantReadFile = errors.New("config: can't read required file")
)
type Metrics struct {
@@ -70,6 +72,7 @@ func (m *Metrics) Valid() error {
type MetricsTLS struct {
Certificate string `json:"certificate" yaml:"certificate"`
Key string `json:"key" yaml:"key"`
CA string `json:"ca" yaml:"ca"`
}
func (mt *MetricsTLS) Valid() error {
@@ -95,6 +98,18 @@ func (mt *MetricsTLS) Valid() error {
errs = append(errs, fmt.Errorf("%w: %w", ErrInvalidMetricsTLSKeypair, err))
}
if mt.CA != "" {
caCert, err := os.ReadFile(mt.CA)
if err != nil {
errs = append(errs, fmt.Errorf("%w %s: %w", ErrCantReadFile, mt.CA, err))
}
certPool := x509.NewCertPool()
if !certPool.AppendCertsFromPEM(caCert) {
errs = append(errs, fmt.Errorf("%w %s", ErrInvalidMetricsCACertificate, mt.CA))
}
}
if len(errs) != 0 {
return errors.Join(ErrInvalidMetricsTLSConfig, errors.Join(errs...))
}