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flags_test.go
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flags_test.go
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// Copyright (c) 2019 The Jaeger Authors.
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 app
import (
"net/http"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
"github.com/jaegertracing/jaeger/pkg/config"
"github.com/jaegertracing/jaeger/ports"
"github.com/jaegertracing/jaeger/storage/mocks"
spanstore_mocks "github.com/jaegertracing/jaeger/storage/spanstore/mocks"
)
func TestQueryBuilderFlags(t *testing.T) {
v, command := config.Viperize(AddFlags)
command.ParseFlags([]string{
"--query.static-files=/dev/null",
"--query.log-static-assets-access=true",
"--query.ui-config=some.json",
"--query.base-path=/jaeger",
"--query.http-server.host-port=127.0.0.1:8080",
"--query.grpc-server.host-port=127.0.0.1:8081",
"--query.additional-headers=access-control-allow-origin:blerg",
"--query.additional-headers=whatever:thing",
"--query.max-clock-skew-adjustment=10s",
})
qOpts, err := new(QueryOptions).InitFromViper(v, zap.NewNop())
require.NoError(t, err)
assert.Equal(t, "/dev/null", qOpts.StaticAssets)
assert.True(t, qOpts.LogStaticAssetsAccess)
assert.Equal(t, "some.json", qOpts.UIConfig)
assert.Equal(t, "/jaeger", qOpts.BasePath)
assert.Equal(t, "127.0.0.1:8080", qOpts.HTTPHostPort)
assert.Equal(t, "127.0.0.1:8081", qOpts.GRPCHostPort)
assert.Equal(t, http.Header{
"Access-Control-Allow-Origin": []string{"blerg"},
"Whatever": []string{"thing"},
}, qOpts.AdditionalHeaders)
assert.Equal(t, 10*time.Second, qOpts.MaxClockSkewAdjust)
}
func TestQueryBuilderBadHeadersFlags(t *testing.T) {
v, command := config.Viperize(AddFlags)
command.ParseFlags([]string{
"--query.additional-headers=malformedheader",
})
qOpts, err := new(QueryOptions).InitFromViper(v, zap.NewNop())
require.NoError(t, err)
assert.Nil(t, qOpts.AdditionalHeaders)
}
func TestStringSliceAsHeader(t *testing.T) {
headers := []string{
"Access-Control-Allow-Origin: https://mozilla.org",
"Access-Control-Expose-Headers: X-My-Custom-Header",
"Access-Control-Expose-Headers: X-Another-Custom-Header",
}
parsedHeaders, err := stringSliceAsHeader(headers)
assert.Equal(t, []string{"https://mozilla.org"}, parsedHeaders["Access-Control-Allow-Origin"])
assert.Equal(t, []string{"X-My-Custom-Header", "X-Another-Custom-Header"}, parsedHeaders["Access-Control-Expose-Headers"])
assert.NoError(t, err)
malformedHeaders := append(headers, "this is not a valid header")
parsedHeaders, err = stringSliceAsHeader(malformedHeaders)
assert.Nil(t, parsedHeaders)
assert.Error(t, err)
parsedHeaders, err = stringSliceAsHeader([]string{})
assert.Nil(t, parsedHeaders)
assert.NoError(t, err)
parsedHeaders, err = stringSliceAsHeader(nil)
assert.Nil(t, parsedHeaders)
assert.NoError(t, err)
}
func TestBuildQueryServiceOptions(t *testing.T) {
v, _ := config.Viperize(AddFlags)
qOpts, err := new(QueryOptions).InitFromViper(v, zap.NewNop())
require.NoError(t, err)
assert.NotNil(t, qOpts)
qSvcOpts := qOpts.BuildQueryServiceOptions(&mocks.Factory{}, zap.NewNop())
assert.NotNil(t, qSvcOpts)
assert.NotNil(t, qSvcOpts.Adjuster)
assert.Nil(t, qSvcOpts.ArchiveSpanReader)
assert.Nil(t, qSvcOpts.ArchiveSpanWriter)
comboFactory := struct {
*mocks.Factory
*mocks.ArchiveFactory
}{
&mocks.Factory{},
&mocks.ArchiveFactory{},
}
comboFactory.ArchiveFactory.On("CreateArchiveSpanReader").Return(&spanstore_mocks.Reader{}, nil)
comboFactory.ArchiveFactory.On("CreateArchiveSpanWriter").Return(&spanstore_mocks.Writer{}, nil)
qSvcOpts = qOpts.BuildQueryServiceOptions(comboFactory, zap.NewNop())
assert.NotNil(t, qSvcOpts)
assert.NotNil(t, qSvcOpts.Adjuster)
assert.NotNil(t, qSvcOpts.ArchiveSpanReader)
assert.NotNil(t, qSvcOpts.ArchiveSpanWriter)
}
func TestQueryOptionsPortAllocationFromFlags(t *testing.T) {
flagPortCases := []struct {
name string
flagsArray []string
expectedHTTPHostPort string
expectedGRPCHostPort string
verifyCommonPort bool
expectedHostPort string
}{
{
// Default behavior. Dedicated host-port is used for both HTTP and GRPC endpoints
name: "No host-port flags specified, both GRPC and HTTP TLS disabled",
flagsArray: []string{},
expectedHTTPHostPort: ports.PortToHostPort(ports.QueryHTTP), // fallback in viper
expectedGRPCHostPort: ports.PortToHostPort(ports.QueryGRPC), // fallback in viper
},
{
// If any one host-port is specified, and TLS is disabled, fallback to ports defined in viper
name: "Atleast one dedicated host-port is specified, both GRPC and HTTP TLS disabled",
flagsArray: []string{
"--query.http-server.host-port=127.0.0.1:8081",
},
expectedHTTPHostPort: "127.0.0.1:8081",
expectedGRPCHostPort: ports.PortToHostPort(ports.QueryGRPC), // fallback in viper
},
{
// Allows usage of common host-ports. Flags allow this irrespective of TLS status
// The server with TLS enabled with equal HTTP & GRPC host-ports, is still an acceptable flag configuration, but will throw an error during initialisation
name: "Common equal host-port specified, TLS enabled in atleast one server",
flagsArray: []string{
"--query.grpc.tls.enabled=true",
"--query.http-server.host-port=127.0.0.1:8081",
"--query.grpc-server.host-port=127.0.0.1:8081",
},
expectedHTTPHostPort: "127.0.0.1:8081",
expectedGRPCHostPort: "127.0.0.1:8081",
},
}
for _, test := range flagPortCases {
t.Run(test.name, func(t *testing.T) {
v, command := config.Viperize(AddFlags)
command.ParseFlags(test.flagsArray)
qOpts, err := new(QueryOptions).InitFromViper(v, zap.NewNop())
require.NoError(t, err)
assert.Equal(t, test.expectedHTTPHostPort, qOpts.HTTPHostPort)
assert.Equal(t, test.expectedGRPCHostPort, qOpts.GRPCHostPort)
})
}
}
func TestQueryOptions_FailedTLSFlags(t *testing.T) {
for _, test := range []string{"gRPC", "HTTP"} {
t.Run(test, func(t *testing.T) {
proto := strings.ToLower(test)
v, command := config.Viperize(AddFlags)
err := command.ParseFlags([]string{
"--query." + proto + ".tls.enabled=false",
"--query." + proto + ".tls.cert=blah", // invalid unless tls.enabled
})
require.NoError(t, err)
_, err = new(QueryOptions).InitFromViper(v, zap.NewNop())
require.Error(t, err)
assert.Contains(t, err.Error(), "failed to process "+test+" TLS options")
})
}
}