alertmanager/cluster/tls_config.go
Simon Pasquier aea6204d58 cluster: fix panic when tls_client_config is empty
Closes #3403

Signed-off-by: Simon Pasquier <spasquie@redhat.com>
2023-08-04 14:29:06 +02:00

57 lines
1.5 KiB
Go

// Copyright 2020 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cluster
import (
"fmt"
"os"
"path/filepath"
"github.com/prometheus/common/config"
"github.com/prometheus/exporter-toolkit/web"
"gopkg.in/yaml.v2"
)
type TLSTransportConfig struct {
TLSServerConfig *web.TLSConfig `yaml:"tls_server_config"`
TLSClientConfig *config.TLSConfig `yaml:"tls_client_config"`
}
func GetTLSTransportConfig(configPath string) (*TLSTransportConfig, error) {
if configPath == "" {
return nil, nil
}
bytes, err := os.ReadFile(configPath)
if err != nil {
return nil, err
}
cfg := &TLSTransportConfig{
TLSClientConfig: &config.TLSConfig{},
}
if err := yaml.UnmarshalStrict(bytes, cfg); err != nil {
return nil, err
}
if cfg.TLSServerConfig == nil {
return nil, fmt.Errorf("missing 'tls_server_config' entry in the TLS configuration")
}
cfg.TLSServerConfig.SetDirectory(filepath.Dir(configPath))
cfg.TLSClientConfig.SetDirectory(filepath.Dir(configPath))
return cfg, nil
}