opentelemetry-collector/otelcol/configprovider_test.go

130 lines
3.2 KiB
Go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package otelcol
import (
"context"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gopkg.in/yaml.v3"
"go.opentelemetry.io/collector/confmap"
"go.opentelemetry.io/collector/confmap/provider/fileprovider"
"go.opentelemetry.io/collector/confmap/provider/yamlprovider"
)
func newConfig(yamlBytes []byte, factories Factories) (*Config, error) {
var stringMap = map[string]interface{}{}
err := yaml.Unmarshal(yamlBytes, stringMap)
if err != nil {
return nil, err
}
conf := confmap.NewFromStringMap(stringMap)
cfg, err := unmarshal(conf, factories)
if err != nil {
return nil, err
}
return &Config{
Receivers: cfg.Receivers.Configs(),
Processors: cfg.Processors.Configs(),
Exporters: cfg.Exporters.Configs(),
Connectors: cfg.Connectors.Configs(),
Extensions: cfg.Extensions.Configs(),
Service: cfg.Service,
}, nil
}
func TestConfigProviderYaml(t *testing.T) {
yamlBytes, err := os.ReadFile(filepath.Join("testdata", "otelcol-nop.yaml"))
require.NoError(t, err)
uriLocation := "yaml:" + string(yamlBytes)
provider := yamlprovider.New()
set := ConfigProviderSettings{
ResolverSettings: confmap.ResolverSettings{
URIs: []string{uriLocation},
Providers: map[string]confmap.Provider{provider.Scheme(): provider},
},
}
cp, err := NewConfigProvider(set)
require.NoError(t, err)
factories, err := nopFactories()
require.NoError(t, err)
cfg, err := cp.Get(context.Background(), factories)
require.NoError(t, err)
configNop, err := newConfig(yamlBytes, factories)
require.NoError(t, err)
assert.EqualValues(t, configNop, cfg)
}
func TestConfigProviderFile(t *testing.T) {
uriLocation := "file:" + filepath.Join("testdata", "otelcol-nop.yaml")
provider := fileprovider.New()
set := ConfigProviderSettings{
ResolverSettings: confmap.ResolverSettings{
URIs: []string{uriLocation},
Providers: map[string]confmap.Provider{provider.Scheme(): provider},
},
}
cp, err := NewConfigProvider(set)
require.NoError(t, err)
factories, err := nopFactories()
require.NoError(t, err)
cfg, err := cp.Get(context.Background(), factories)
require.NoError(t, err)
yamlBytes, err := os.ReadFile(filepath.Join("testdata", "otelcol-nop.yaml"))
require.NoError(t, err)
configNop, err := newConfig(yamlBytes, factories)
require.NoError(t, err)
assert.EqualValues(t, configNop, cfg)
}
func TestGetConfmap(t *testing.T) {
uriLocation := "file:" + filepath.Join("testdata", "otelcol-nop.yaml")
provider := fileprovider.New()
set := ConfigProviderSettings{
ResolverSettings: confmap.ResolverSettings{
URIs: []string{uriLocation},
Providers: map[string]confmap.Provider{provider.Scheme(): provider},
},
}
configBytes, err := os.ReadFile(filepath.Join("testdata", "otelcol-nop.yaml"))
require.NoError(t, err)
yamlMap := map[string]any{}
err = yaml.Unmarshal(configBytes, yamlMap)
require.NoError(t, err)
cp, err := NewConfigProvider(set)
require.NoError(t, err)
cmp, ok := cp.(ConfmapProvider)
require.True(t, ok)
cmap, err := cmp.GetConfmap(context.Background())
require.NoError(t, err)
assert.EqualValues(t, yamlMap, cmap.ToStringMap())
}