mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-24 20:14:40 +02:00
407 lines
13 KiB
Go
407 lines
13 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package otlpconfig_test
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import (
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"errors"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal/otlpconfig"
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)
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const (
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WeakCertificate = `
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-----BEGIN CERTIFICATE-----
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MIIBhzCCASygAwIBAgIRANHpHgAWeTnLZpTSxCKs0ggwCgYIKoZIzj0EAwIwEjEQ
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MA4GA1UEChMHb3RlbC1nbzAeFw0yMTA0MDExMzU5MDNaFw0yMTA0MDExNDU5MDNa
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MBIxEDAOBgNVBAoTB290ZWwtZ28wWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAS9
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nWSkmPCxShxnp43F+PrOtbGV7sNfkbQ/kxzi9Ego0ZJdiXxkmv/C05QFddCW7Y0Z
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sJCLHGogQsYnWJBXUZOVo2MwYTAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAwwCgYI
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KwYBBQUHAwEwDAYDVR0TAQH/BAIwADAsBgNVHREEJTAjgglsb2NhbGhvc3SHEAAA
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AAAAAAAAAAAAAAAAAAGHBH8AAAEwCgYIKoZIzj0EAwIDSQAwRgIhANwZVVKvfvQ/
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1HXsTvgH+xTQswOwSSKYJ1cVHQhqK7ZbAiEAus8NxpTRnp5DiTMuyVmhVNPB+bVH
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Lhnm4N/QDk5rek0=
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-----END CERTIFICATE-----
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`
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WeakPrivateKey = `
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-----BEGIN PRIVATE KEY-----
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MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgN8HEXiXhvByrJ1zK
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SFT6Y2l2KqDWwWzKf+t4CyWrNKehRANCAAS9nWSkmPCxShxnp43F+PrOtbGV7sNf
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kbQ/kxzi9Ego0ZJdiXxkmv/C05QFddCW7Y0ZsJCLHGogQsYnWJBXUZOV
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-----END PRIVATE KEY-----
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`
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)
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type env map[string]string
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func (e *env) getEnv(env string) string {
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return (*e)[env]
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}
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type fileReader map[string][]byte
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func (f *fileReader) readFile(filename string) ([]byte, error) {
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if b, ok := (*f)[filename]; ok {
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return b, nil
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}
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return nil, errors.New("File not found")
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}
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func TestConfigs(t *testing.T) {
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tlsCert, err := otlpconfig.CreateTLSConfig([]byte(WeakCertificate))
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assert.NoError(t, err)
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tests := []struct {
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name string
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opts []otlpconfig.GenericOption
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env env
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fileReader fileReader
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asserts func(t *testing.T, c *otlpconfig.Config, grpcOption bool)
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}{
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{
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name: "Test default configs",
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "localhost:4317", c.Metrics.Endpoint)
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assert.Equal(t, otlpconfig.NoCompression, c.Metrics.Compression)
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assert.Equal(t, map[string]string(nil), c.Metrics.Headers)
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assert.Equal(t, 10*time.Second, c.Metrics.Timeout)
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},
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},
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// Endpoint Tests
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{
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name: "Test With Endpoint",
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithEndpoint("someendpoint"),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "someendpoint", c.Metrics.Endpoint)
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},
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},
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{
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name: "Test Environment Endpoint",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": "env_endpoint",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "env_endpoint", c.Metrics.Endpoint)
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},
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},
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{
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name: "Test Environment Signal Specific Endpoint",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": "overrode_by_signal_specific",
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"OTEL_EXPORTER_OTLP_METRICS_ENDPOINT": "env_metrics_endpoint",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "env_metrics_endpoint", c.Metrics.Endpoint)
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},
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},
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{
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name: "Test Mixed Environment and With Endpoint",
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithEndpoint("metrics_endpoint"),
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},
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": "env_endpoint",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "metrics_endpoint", c.Metrics.Endpoint)
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},
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},
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{
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name: "Test Environment Endpoint with HTTP scheme",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": "http://env_endpoint",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "env_endpoint", c.Metrics.Endpoint)
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assert.Equal(t, true, c.Metrics.Insecure)
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},
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},
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{
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name: "Test Environment Endpoint with HTTP scheme and leading & trailingspaces",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": " http://env_endpoint ",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "env_endpoint", c.Metrics.Endpoint)
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assert.Equal(t, true, c.Metrics.Insecure)
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},
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},
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{
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name: "Test Environment Endpoint with HTTPS scheme",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": "https://env_endpoint",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "env_endpoint", c.Metrics.Endpoint)
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assert.Equal(t, false, c.Metrics.Insecure)
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},
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},
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{
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name: "Test Environment Signal Specific Endpoint",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": "http://overrode_by_signal_specific",
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"OTEL_EXPORTER_OTLP_METRICS_ENDPOINT": "https://env_metrics_endpoint",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "env_metrics_endpoint", c.Metrics.Endpoint)
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assert.Equal(t, false, c.Metrics.Insecure)
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},
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},
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{
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name: "Test Environment Signal Specific Endpoint #2",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": "http://overrode_by_signal_specific",
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"OTEL_EXPORTER_OTLP_METRICS_ENDPOINT": "env_metrics_endpoint",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "env_metrics_endpoint", c.Metrics.Endpoint)
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assert.Equal(t, false, c.Metrics.Insecure)
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},
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},
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{
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name: "Test Environment Signal Specific Endpoint with uppercase scheme",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_ENDPOINT": "HTTP://overrode_by_signal_specific",
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"OTEL_EXPORTER_OTLP_METRICS_ENDPOINT": "env_metrics_endpoint",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, "env_metrics_endpoint", c.Metrics.Endpoint)
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assert.Equal(t, false, c.Metrics.Insecure)
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},
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},
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// Certificate tests
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{
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name: "Test With Certificate",
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithTLSClientConfig(tlsCert),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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if grpcOption {
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//TODO: make sure gRPC's credentials actually works
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assert.NotNil(t, c.Metrics.GRPCCredentials)
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} else {
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assert.Equal(t, tlsCert.RootCAs.Subjects(), c.Metrics.TLSCfg.RootCAs.Subjects())
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}
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},
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},
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{
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name: "Test Environment Certificate",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_CERTIFICATE": "cert_path",
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},
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fileReader: fileReader{
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"cert_path": []byte(WeakCertificate),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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if grpcOption {
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assert.NotNil(t, c.Metrics.GRPCCredentials)
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} else {
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assert.Equal(t, tlsCert.RootCAs.Subjects(), c.Metrics.TLSCfg.RootCAs.Subjects())
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}
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},
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},
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{
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name: "Test Environment Signal Specific Certificate",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_CERTIFICATE": "overrode_by_signal_specific",
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"OTEL_EXPORTER_OTLP_METRICS_CERTIFICATE": "cert_path",
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},
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fileReader: fileReader{
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"cert_path": []byte(WeakCertificate),
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"invalid_cert": []byte("invalid certificate file."),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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if grpcOption {
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assert.NotNil(t, c.Metrics.GRPCCredentials)
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} else {
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assert.Equal(t, tlsCert.RootCAs.Subjects(), c.Metrics.TLSCfg.RootCAs.Subjects())
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}
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},
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},
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{
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name: "Test Mixed Environment and With Certificate",
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opts: []otlpconfig.GenericOption{},
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_CERTIFICATE": "cert_path",
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},
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fileReader: fileReader{
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"cert_path": []byte(WeakCertificate),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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if grpcOption {
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assert.NotNil(t, c.Metrics.GRPCCredentials)
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} else {
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assert.Equal(t, 1, len(c.Metrics.TLSCfg.RootCAs.Subjects()))
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}
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},
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},
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// Headers tests
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{
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name: "Test With Headers",
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithHeaders(map[string]string{"h1": "v1"}),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, map[string]string{"h1": "v1"}, c.Metrics.Headers)
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},
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},
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{
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name: "Test Environment Headers",
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env: map[string]string{"OTEL_EXPORTER_OTLP_HEADERS": "h1=v1,h2=v2"},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, map[string]string{"h1": "v1", "h2": "v2"}, c.Metrics.Headers)
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},
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},
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{
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name: "Test Environment Signal Specific Headers",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_HEADERS": "overrode_by_signal_specific",
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"OTEL_EXPORTER_OTLP_METRICS_HEADERS": "h1=v1,h2=v2",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, map[string]string{"h1": "v1", "h2": "v2"}, c.Metrics.Headers)
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},
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},
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{
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name: "Test Mixed Environment and With Headers",
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env: map[string]string{"OTEL_EXPORTER_OTLP_HEADERS": "h1=v1,h2=v2"},
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithHeaders(map[string]string{"m1": "mv1"}),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, map[string]string{"m1": "mv1"}, c.Metrics.Headers)
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},
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},
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// Compression Tests
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{
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name: "Test With Compression",
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithCompression(otlpconfig.GzipCompression),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, otlpconfig.GzipCompression, c.Metrics.Compression)
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},
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},
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{
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name: "Test Environment Compression",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_COMPRESSION": "gzip",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, otlpconfig.GzipCompression, c.Metrics.Compression)
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},
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},
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{
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name: "Test Environment Signal Specific Compression",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_METRICS_COMPRESSION": "gzip",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, otlpconfig.GzipCompression, c.Metrics.Compression)
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},
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},
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{
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name: "Test Mixed Environment and With Compression",
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithCompression(otlpconfig.NoCompression),
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},
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_METRICS_COMPRESSION": "gzip",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, otlpconfig.NoCompression, c.Metrics.Compression)
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},
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},
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// Timeout Tests
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{
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name: "Test With Timeout",
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithTimeout(time.Duration(5 * time.Second)),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, 5*time.Second, c.Metrics.Timeout)
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},
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},
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{
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name: "Test Environment Timeout",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_TIMEOUT": "15000",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, c.Metrics.Timeout, 15*time.Second)
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},
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},
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{
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name: "Test Environment Signal Specific Timeout",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_TIMEOUT": "15000",
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"OTEL_EXPORTER_OTLP_METRICS_TIMEOUT": "28000",
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, c.Metrics.Timeout, 28*time.Second)
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},
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},
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{
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name: "Test Mixed Environment and With Timeout",
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env: map[string]string{
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"OTEL_EXPORTER_OTLP_TIMEOUT": "15000",
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"OTEL_EXPORTER_OTLP_METRICS_TIMEOUT": "28000",
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},
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opts: []otlpconfig.GenericOption{
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otlpconfig.WithTimeout(5 * time.Second),
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},
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asserts: func(t *testing.T, c *otlpconfig.Config, grpcOption bool) {
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assert.Equal(t, c.Metrics.Timeout, 5*time.Second)
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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e := otlpconfig.EnvOptionsReader{
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GetEnv: tt.env.getEnv,
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ReadFile: tt.fileReader.readFile,
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}
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// Tests Generic options as HTTP Options
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cfg := otlpconfig.NewDefaultConfig()
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e.ApplyHTTPEnvConfigs(&cfg)
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for _, opt := range tt.opts {
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opt.ApplyHTTPOption(&cfg)
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}
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tt.asserts(t, &cfg, false)
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// Tests Generic options as gRPC Options
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cfg = otlpconfig.NewDefaultConfig()
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e.ApplyGRPCEnvConfigs(&cfg)
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for _, opt := range tt.opts {
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opt.ApplyGRPCOption(&cfg)
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}
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tt.asserts(t, &cfg, true)
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})
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}
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}
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