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// Copyright 2016 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 config
import (
"crypto/tls"
"io/ioutil"
"reflect"
"strings"
"testing"
"gopkg.in/yaml.v2"
)
// LoadTLSConfig parses the given YAML file into a tls.Config.
func LoadTLSConfig(filename string) (*tls.Config, error) {
content, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
cfg := &TLSConfig{}
if err = yaml.Unmarshal(content, cfg); err != nil {
return nil, err
}
return cfg.GenerateConfig()
}
var expectedTLSConfigs = []struct {
filename string
config *tls.Config
}{
{
filename: "tls_config.empty.good.yml",
config: &tls.Config{},
}, {
filename: "tls_config.insecure.good.yml",
config: &tls.Config{InsecureSkipVerify: true},
},
}
func TestValidTLSConfig(t *testing.T) {
for _, cfg := range expectedTLSConfigs {
cfg.config.BuildNameToCertificate()
got, err := LoadTLSConfig("testdata/" + cfg.filename)
if err != nil {
t.Errorf("Error parsing %s: %s", cfg.filename, err)
}
if !reflect.DeepEqual(*got, *cfg.config) {
t.Fatalf("%s: unexpected config result: \n\n%s\n expected\n\n%s", cfg.filename, got, cfg.config)
}
}
}
var expectedTLSConfigErrors = []struct {
filename string
errMsg string
}{
{
filename: "tls_config.invalid_field.bad.yml",
errMsg: "unknown fields in",
}, {
filename: "tls_config.cert_no_key.bad.yml",
errMsg: "specified without client key file",
}, {
filename: "tls_config.key_no_cert.bad.yml",
errMsg: "specified without client cert file",
},
}
func TestBadTLSConfigs(t *testing.T) {
for _, ee := range expectedTLSConfigErrors {
_, err := LoadTLSConfig("testdata/" + ee.filename)
if err == nil {
t.Errorf("Expected error parsing %s but got none", ee.filename)
continue
}
if !strings.Contains(err.Error(), ee.errMsg) {
t.Errorf("Expected error for %s to contain %q but got: %s", ee.filename, ee.errMsg, err)
}
}
}
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