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graph_test.go
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// Copyright The OpenTelemetry 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 service
import (
"context"
"errors"
"fmt"
"sync"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gonum.org/v1/gonum/graph/simple"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/connector"
"go.opentelemetry.io/collector/connector/connectortest"
"go.opentelemetry.io/collector/exporter"
"go.opentelemetry.io/collector/exporter/exportertest"
"go.opentelemetry.io/collector/internal/testdata"
"go.opentelemetry.io/collector/processor"
"go.opentelemetry.io/collector/processor/processortest"
"go.opentelemetry.io/collector/receiver"
"go.opentelemetry.io/collector/receiver/receivertest"
"go.opentelemetry.io/collector/service/internal/testcomponents"
)
var _ component.Component = &testNode{}
type testNode struct {
id component.ID
startErr error
shutdownErr error
}
// ID satisfies the graph.Node interface, allowing
// testNode to be used in a simple.DirectedGraph
func (n *testNode) ID() int64 {
return int64(newNodeID(n.id.String()))
}
func (n *testNode) Start(ctx context.Context, _ component.Host) error {
if n.startErr != nil {
return n.startErr
}
if cwo, ok := ctx.(*contextWithOrder); ok {
cwo.record(n.id)
}
return nil
}
func (n *testNode) Shutdown(ctx context.Context) error {
if n.shutdownErr != nil {
return n.shutdownErr
}
if cwo, ok := ctx.(*contextWithOrder); ok {
cwo.record(n.id)
}
return nil
}
type contextWithOrder struct {
context.Context
sync.Mutex
next int
order map[component.ID]int
}
func (c *contextWithOrder) record(id component.ID) {
c.Lock()
c.order[id] = c.next
c.next++
c.Unlock()
}
func TestGraphStartStop(t *testing.T) {
testCases := []struct {
name string
edges [][2]component.ID
}{
{
name: "single",
edges: [][2]component.ID{
{component.NewIDWithName("r", "1"), component.NewIDWithName("p", "1")},
{component.NewIDWithName("r", "2"), component.NewIDWithName("p", "1")},
{component.NewIDWithName("p", "1"), component.NewIDWithName("p", "2")},
{component.NewIDWithName("p", "2"), component.NewIDWithName("e", "1")},
{component.NewIDWithName("p", "1"), component.NewIDWithName("e", "2")},
},
},
{
name: "multi",
edges: [][2]component.ID{
// Pipeline 1
{component.NewIDWithName("r", "1"), component.NewIDWithName("p", "1")},
{component.NewIDWithName("r", "2"), component.NewIDWithName("p", "1")},
{component.NewIDWithName("p", "1"), component.NewIDWithName("p", "2")},
{component.NewIDWithName("p", "2"), component.NewIDWithName("e", "1")},
{component.NewIDWithName("p", "1"), component.NewIDWithName("e", "2")},
// Pipeline 2, shares r1 and e2
{component.NewIDWithName("r", "1"), component.NewIDWithName("p", "3")},
{component.NewIDWithName("p", "3"), component.NewIDWithName("e", "2")},
},
},
{
name: "connected",
edges: [][2]component.ID{
// Pipeline 1
{component.NewIDWithName("r", "1"), component.NewIDWithName("p", "1")},
{component.NewIDWithName("r", "2"), component.NewIDWithName("p", "1")},
{component.NewIDWithName("p", "1"), component.NewIDWithName("p", "2")},
{component.NewIDWithName("p", "2"), component.NewIDWithName("e", "1")},
{component.NewIDWithName("p", "1"), component.NewIDWithName("c", "1")},
// Pipeline 2, shares r1 and c1
{component.NewIDWithName("r", "1"), component.NewIDWithName("p", "3")},
{component.NewIDWithName("p", "3"), component.NewIDWithName("c", "1")},
// Pipeline 3, emits to e2 and c2
{component.NewIDWithName("c", "1"), component.NewIDWithName("e", "2")},
{component.NewIDWithName("c", "1"), component.NewIDWithName("c", "2")},
// Pipeline 4, also emits to e2
{component.NewIDWithName("c", "2"), component.NewIDWithName("e", "2")},
},
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
ctx := &contextWithOrder{
Context: context.Background(),
order: map[component.ID]int{},
}
pg := &pipelinesGraph{componentGraph: simple.NewDirectedGraph()}
for _, edge := range tt.edges {
f, t := &testNode{id: edge[0]}, &testNode{id: edge[1]}
pg.componentGraph.SetEdge(simple.Edge{F: f, T: t})
}
require.NoError(t, pg.StartAll(ctx, componenttest.NewNopHost()))
for _, edge := range tt.edges {
assert.Greater(t, ctx.order[edge[0]], ctx.order[edge[1]])
}
ctx.order = map[component.ID]int{}
require.NoError(t, pg.ShutdownAll(ctx))
for _, edge := range tt.edges {
assert.Less(t, ctx.order[edge[0]], ctx.order[edge[1]])
}
})
}
}
func TestGraphStartStopCycle(t *testing.T) {
pg := &pipelinesGraph{componentGraph: simple.NewDirectedGraph()}
r1 := &testNode{id: component.NewIDWithName("r", "1")}
p1 := &testNode{id: component.NewIDWithName("p", "1")}
c1 := &testNode{id: component.NewIDWithName("c", "1")}
e1 := &testNode{id: component.NewIDWithName("e", "1")}
pg.componentGraph.SetEdge(simple.Edge{F: r1, T: p1})
pg.componentGraph.SetEdge(simple.Edge{F: p1, T: c1})
pg.componentGraph.SetEdge(simple.Edge{F: c1, T: e1})
pg.componentGraph.SetEdge(simple.Edge{F: c1, T: p1}) // loop back
err := pg.StartAll(context.Background(), componenttest.NewNopHost())
assert.Error(t, err)
assert.Contains(t, err.Error(), `topo: no topological ordering: cyclic components`)
err = pg.ShutdownAll(context.Background())
assert.Error(t, err)
assert.Contains(t, err.Error(), `topo: no topological ordering: cyclic components`)
}
func TestGraphStartStopComponentError(t *testing.T) {
pg := &pipelinesGraph{componentGraph: simple.NewDirectedGraph()}
pg.componentGraph.SetEdge(simple.Edge{
F: &testNode{
id: component.NewIDWithName("r", "1"),
startErr: errors.New("foo"),
},
T: &testNode{
id: component.NewIDWithName("e", "1"),
shutdownErr: errors.New("bar"),
},
})
assert.EqualError(t, pg.StartAll(context.Background(), componenttest.NewNopHost()), "foo")
assert.EqualError(t, pg.ShutdownAll(context.Background()), "bar")
}
func TestConnectorPipelinesGraph(t *testing.T) {
tests := []struct {
name string
pipelineConfigs map[component.ID]*PipelineConfig
expectedPerExporter int // requires symmetry in pipelines
}{
{
name: "pipelines_simple.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_simple_mutate.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_simple_multi_proc.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor"), component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor"), component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor"), component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_simple_no_proc.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_multi.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("examplereceiver"), component.NewIDWithName("examplereceiver", "1")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate"), component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter"), component.NewIDWithName("exampleexporter", "1")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("examplereceiver"), component.NewIDWithName("examplereceiver", "1")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate"), component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter"), component.NewIDWithName("exampleexporter", "1")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("examplereceiver"), component.NewIDWithName("examplereceiver", "1")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate"), component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter"), component.NewIDWithName("exampleexporter", "1")},
},
},
expectedPerExporter: 2,
},
{
name: "pipelines_multi_no_proc.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("examplereceiver"), component.NewIDWithName("examplereceiver", "1")},
Exporters: []component.ID{component.NewID("exampleexporter"), component.NewIDWithName("exampleexporter", "1")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("examplereceiver"), component.NewIDWithName("examplereceiver", "1")},
Exporters: []component.ID{component.NewID("exampleexporter"), component.NewIDWithName("exampleexporter", "1")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("examplereceiver"), component.NewIDWithName("examplereceiver", "1")},
Exporters: []component.ID{component.NewID("exampleexporter"), component.NewIDWithName("exampleexporter", "1")},
},
},
expectedPerExporter: 2,
},
{
name: "multi_pipeline_receivers_and_exporters.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewIDWithName("traces", "1"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewIDWithName("metrics", "1"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewIDWithName("logs", "1"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 2,
},
{
name: "pipelines_conn_simple_traces.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewIDWithName("traces", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewIDWithName("traces", "out"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_conn_simple_metrics.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewIDWithName("metrics", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewIDWithName("metrics", "out"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_conn_simple_logs.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewIDWithName("logs", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewIDWithName("logs", "out"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_conn_fork_merge_traces.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewIDWithName("traces", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
},
component.NewIDWithName("traces", "type0"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
},
component.NewIDWithName("traces", "type1"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
},
component.NewIDWithName("traces", "out"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 2,
},
{
name: "pipelines_conn_fork_merge_metrics.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewIDWithName("metrics", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
},
component.NewIDWithName("metrics", "type0"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
},
component.NewIDWithName("metrics", "type1"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
},
component.NewIDWithName("metrics", "out"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 2,
},
{
name: "pipelines_conn_fork_merge_logs.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewIDWithName("logs", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
},
component.NewIDWithName("logs", "type0"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
},
component.NewIDWithName("logs", "type1"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "fork")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
},
component.NewIDWithName("logs", "out"): {
Receivers: []component.ID{component.NewIDWithName("exampleconnector", "merge")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 2,
},
{
name: "pipelines_conn_translate_from_traces.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_conn_translate_from_metrics.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_conn_translate_from_logs.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 1,
},
{
name: "pipelines_conn_matrix.yaml",
pipelineConfigs: map[component.ID]*PipelineConfig{
component.NewIDWithName("traces", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewIDWithName("metrics", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewIDWithName("logs", "in"): {
Receivers: []component.ID{component.NewID("examplereceiver")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleconnector")},
},
component.NewIDWithName("traces", "out"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewIDWithName("metrics", "out"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewID("exampleprocessor")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
component.NewIDWithName("logs", "out"): {
Receivers: []component.ID{component.NewID("exampleconnector")},
Processors: []component.ID{component.NewIDWithName("exampleprocessor", "mutate")},
Exporters: []component.ID{component.NewID("exampleexporter")},
},
},
expectedPerExporter: 3,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
// Build the pipeline
set := pipelinesSettings{
Telemetry: componenttest.NewNopTelemetrySettings(),
BuildInfo: component.NewDefaultBuildInfo(),
ReceiverBuilder: receiver.NewBuilder(
map[component.ID]component.Config{
component.NewID("examplereceiver"): testcomponents.ExampleReceiverFactory.CreateDefaultConfig(),
component.NewIDWithName("examplereceiver", "1"): testcomponents.ExampleReceiverFactory.CreateDefaultConfig(),
},
map[component.Type]receiver.Factory{
testcomponents.ExampleReceiverFactory.Type(): testcomponents.ExampleReceiverFactory,
},
),
ProcessorBuilder: processor.NewBuilder(
map[component.ID]component.Config{
component.NewID("exampleprocessor"): testcomponents.ExampleProcessorFactory.CreateDefaultConfig(),
component.NewIDWithName("exampleprocessor", "mutate"): testcomponents.ExampleProcessorFactory.CreateDefaultConfig(),
},
map[component.Type]processor.Factory{
testcomponents.ExampleProcessorFactory.Type(): testcomponents.ExampleProcessorFactory,
},
),
ExporterBuilder: exporter.NewBuilder(
map[component.ID]component.Config{
component.NewID("exampleexporter"): testcomponents.ExampleExporterFactory.CreateDefaultConfig(),
component.NewIDWithName("exampleexporter", "1"): testcomponents.ExampleExporterFactory.CreateDefaultConfig(),
},
map[component.Type]exporter.Factory{
testcomponents.ExampleExporterFactory.Type(): testcomponents.ExampleExporterFactory,
},
),
ConnectorBuilder: connector.NewBuilder(
map[component.ID]component.Config{
component.NewID("exampleconnector"): testcomponents.ExampleConnectorFactory.CreateDefaultConfig(),
component.NewIDWithName("exampleconnector", "fork"): testcomponents.ExampleConnectorFactory.CreateDefaultConfig(),
component.NewIDWithName("exampleconnector", "merge"): testcomponents.ExampleConnectorFactory.CreateDefaultConfig(),
},
map[component.Type]connector.Factory{
testcomponents.ExampleConnectorFactory.Type(): testcomponents.ExampleConnectorFactory,
},
),
PipelineConfigs: test.pipelineConfigs,
}
pipelinesInterface, err := buildPipelinesGraph(context.Background(), set)
require.NoError(t, err)
pg, ok := pipelinesInterface.(*pipelinesGraph)
require.True(t, ok)
assert.Equal(t, len(test.pipelineConfigs), len(pg.pipelines))
assert.NoError(t, pg.StartAll(context.Background(), componenttest.NewNopHost()))
// Check each pipeline individually, ensuring that all components are started
// and that they have observed no signals yet.
for pipelineID, pipelineCfg := range test.pipelineConfigs {
pipeline, ok := pg.pipelines[pipelineID]
require.True(t, ok, "expected to find pipeline: %s", pipelineID.String())
// Determine independently if the capabilities node should report MutateData as true
var expectMutatesData bool
for _, proc := range pipelineCfg.Processors {
if proc.Name() == "mutate" {
expectMutatesData = true
}
}
assert.Equal(t, expectMutatesData, pipeline.capabilitiesNode.getConsumer().Capabilities().MutatesData)
expectedReceivers, expectedExporters := expectedInstances(test.pipelineConfigs, pipelineID)
require.Equal(t, expectedReceivers, len(pipeline.receivers))
require.Equal(t, len(pipelineCfg.Processors), len(pipeline.processors))
require.Equal(t, expectedExporters, len(pipeline.exporters))
for _, n := range pipeline.exporters {
switch c := n.(type) {
case *exporterNode:
e := c.Component.(*testcomponents.ExampleExporter)
require.True(t, e.Started())
require.Equal(t, 0, len(e.Traces))
require.Equal(t, 0, len(e.Metrics))
require.Equal(t, 0, len(e.Logs))
case *connectorNode:
// connector needs to be unwrapped to access component as ExampleConnector
switch ct := c.Component.(type) {
case connector.Traces:
require.True(t, ct.(*testcomponents.ExampleConnector).Started())
case connector.Metrics:
require.True(t, ct.(*testcomponents.ExampleConnector).Started())
case connector.Logs:
require.True(t, ct.(*testcomponents.ExampleConnector).Started())
}
default:
require.Fail(t, fmt.Sprintf("unexpected type %T", c))
}
}
for _, n := range pipeline.processors {
require.True(t, n.Component.(*testcomponents.ExampleProcessor).Started())
}
for _, n := range pipeline.receivers {
switch c := n.(type) {
case *receiverNode:
require.True(t, c.Component.(*testcomponents.ExampleReceiver).Started())
case *connectorNode:
// connector needs to be unwrapped to access component as ExampleConnector
switch ct := c.Component.(type) {
case connector.Traces:
require.True(t, ct.(*testcomponents.ExampleConnector).Started())
case connector.Metrics:
require.True(t, ct.(*testcomponents.ExampleConnector).Started())
case connector.Logs:
require.True(t, ct.(*testcomponents.ExampleConnector).Started())
}
default:
require.Fail(t, fmt.Sprintf("unexpected type %T", c))
}
}
}
// Push data into the pipelines. The list of receivers is retrieved directly from the overall
// component graph because we do not want to duplicate signal inputs to receivers that are
// shared between pipelines. The `allReceivers` function also excludes connectors, which we do
// not want to directly inject with signals.
allReceivers := pg.getReceivers()
for _, c := range allReceivers[component.DataTypeTraces] {
tracesReceiver := c.(*testcomponents.ExampleReceiver)
assert.NoError(t, tracesReceiver.ConsumeTraces(context.Background(), testdata.GenerateTraces(1)))
}
for _, c := range allReceivers[component.DataTypeMetrics] {
metricsReceiver := c.(*testcomponents.ExampleReceiver)
assert.NoError(t, metricsReceiver.ConsumeMetrics(context.Background(), testdata.GenerateMetrics(1)))
}
for _, c := range allReceivers[component.DataTypeLogs] {
logsReceiver := c.(*testcomponents.ExampleReceiver)
assert.NoError(t, logsReceiver.ConsumeLogs(context.Background(), testdata.GenerateLogs(1)))
}
// Shut down the entire component graph
assert.NoError(t, pg.ShutdownAll(context.Background()))
// Check each pipeline individually, ensuring that all components are stopped.
for pipelineID := range test.pipelineConfigs {
pipeline, ok := pg.pipelines[pipelineID]
require.True(t, ok, "expected to find pipeline: %s", pipelineID.String())
for _, n := range pipeline.receivers {
switch c := n.(type) {
case *receiverNode:
require.True(t, c.Component.(*testcomponents.ExampleReceiver).Stopped())
case *connectorNode:
// connector needs to be unwrapped to access component as ExampleConnector
switch ct := c.Component.(type) {
case connector.Traces:
require.True(t, ct.(*testcomponents.ExampleConnector).Stopped())
case connector.Metrics:
require.True(t, ct.(*testcomponents.ExampleConnector).Stopped())
case connector.Logs:
require.True(t, ct.(*testcomponents.ExampleConnector).Stopped())
}
default:
require.Fail(t, fmt.Sprintf("unexpected type %T", c))
}
}
for _, n := range pipeline.processors {
require.True(t, n.Component.(*testcomponents.ExampleProcessor).Stopped())
}
for _, n := range pipeline.exporters {
switch c := n.(type) {
case *exporterNode:
e := c.Component.(*testcomponents.ExampleExporter)
require.True(t, e.Stopped())
case *connectorNode:
// connector needs to be unwrapped to access component as ExampleConnector
switch ct := c.Component.(type) {
case connector.Traces:
require.True(t, ct.(*testcomponents.ExampleConnector).Stopped())
case connector.Metrics:
require.True(t, ct.(*testcomponents.ExampleConnector).Stopped())
case connector.Logs:
require.True(t, ct.(*testcomponents.ExampleConnector).Stopped())
}
default:
require.Fail(t, fmt.Sprintf("unexpected type %T", c))
}
}
}
// Get the list of exporters directly from the overall component graph. Like receivers,
// exclude connectors and validate each exporter once regardless of sharing between pipelines.
allExporters := pg.GetExporters()
for _, e := range allExporters[component.DataTypeTraces] {
tracesExporter := e.(*testcomponents.ExampleExporter)
assert.Equal(t, test.expectedPerExporter, len(tracesExporter.Traces))
for i := 0; i < test.expectedPerExporter; i++ {
assert.EqualValues(t, testdata.GenerateTraces(1), tracesExporter.Traces[0])
}
}
for _, e := range allExporters[component.DataTypeMetrics] {
metricsExporter := e.(*testcomponents.ExampleExporter)
assert.Equal(t, test.expectedPerExporter, len(metricsExporter.Metrics))
for i := 0; i < test.expectedPerExporter; i++ {
assert.EqualValues(t, testdata.GenerateMetrics(1), metricsExporter.Metrics[0])
}
}
for _, e := range allExporters[component.DataTypeLogs] {
logsExporter := e.(*testcomponents.ExampleExporter)
assert.Equal(t, test.expectedPerExporter, len(logsExporter.Logs))
for i := 0; i < test.expectedPerExporter; i++ {
assert.EqualValues(t, testdata.GenerateLogs(1), logsExporter.Logs[0])
}
}
})
}
}
func TestGraphBuildErrors(t *testing.T) {
nopReceiverFactory := receivertest.NewNopFactory()
nopProcessorFactory := processortest.NewNopFactory()
nopExporterFactory := exportertest.NewNopFactory()
nopConnectorFactory := connectortest.NewNopFactory()
badReceiverFactory := newBadReceiverFactory()
badProcessorFactory := newBadProcessorFactory()
badExporterFactory := newBadExporterFactory()
badConnectorFactory := newBadConnectorFactory()
tests := []struct {
name string
receiverCfgs map[component.ID]component.Config
processorCfgs map[component.ID]component.Config
exporterCfgs map[component.ID]component.Config
connectorCfgs map[component.ID]component.Config
pipelineCfgs map[component.ID]*PipelineConfig
expected string
expectedStartsWith string
}{
{
name: "not_supported_exporter_logs",
receiverCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("bf"): badExporterFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("nop")},
Exporters: []component.ID{component.NewID("bf")},
},
},
expected: "failed to create \"bf\" exporter, in pipeline \"logs/*\": telemetry type is not supported",
},
{
name: "not_supported_exporter_metrics",
receiverCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("bf"): badExporterFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("nop")},
Exporters: []component.ID{component.NewID("bf")},
},
},
expected: "failed to create \"bf\" exporter, in pipeline \"metrics/*\": telemetry type is not supported",
},
{
name: "not_supported_exporter_traces",
receiverCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("bf"): badExporterFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("nop")},
Exporters: []component.ID{component.NewID("bf")},
},
},
expected: "failed to create \"bf\" exporter, in pipeline \"traces/*\": telemetry type is not supported",
},
{
name: "not_supported_processor_logs",
receiverCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
processorCfgs: map[component.ID]component.Config{
component.NewID("bf"): badProcessorFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("nop")},
Processors: []component.ID{component.NewID("bf")},
Exporters: []component.ID{component.NewID("nop")},
},
},
expected: "failed to create \"bf\" processor, in pipeline \"logs\": telemetry type is not supported",
},
{
name: "not_supported_processor_metrics",
receiverCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
processorCfgs: map[component.ID]component.Config{
component.NewID("bf"): badProcessorFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("nop")},
Processors: []component.ID{component.NewID("bf")},
Exporters: []component.ID{component.NewID("nop")},
},
},
expected: "failed to create \"bf\" processor, in pipeline \"metrics\": telemetry type is not supported",
},
{
name: "not_supported_processor_traces",
receiverCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
processorCfgs: map[component.ID]component.Config{
component.NewID("bf"): badProcessorFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("nop")},
Processors: []component.ID{component.NewID("bf")},
Exporters: []component.ID{component.NewID("nop")},
},
},
expected: "failed to create \"bf\" processor, in pipeline \"traces\": telemetry type is not supported",
},
{
name: "not_supported_receiver_logs",
receiverCfgs: map[component.ID]component.Config{
component.NewID("bf"): badReceiverFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("logs"): {
Receivers: []component.ID{component.NewID("bf")},
Exporters: []component.ID{component.NewID("nop")},
},
},
expected: "failed to create \"bf\" receiver, in pipeline \"logs/*\": telemetry type is not supported",
},
{
name: "not_supported_receiver_metrics",
receiverCfgs: map[component.ID]component.Config{
component.NewID("bf"): badReceiverFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("metrics"): {
Receivers: []component.ID{component.NewID("bf")},
Exporters: []component.ID{component.NewID("nop")},
},
},
expected: "failed to create \"bf\" receiver, in pipeline \"metrics/*\": telemetry type is not supported",
},
{
name: "not_supported_receiver_traces",
receiverCfgs: map[component.ID]component.Config{
component.NewID("bf"): badReceiverFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
pipelineCfgs: map[component.ID]*PipelineConfig{
component.NewID("traces"): {
Receivers: []component.ID{component.NewID("bf")},
Exporters: []component.ID{component.NewID("nop")},
},
},
expected: "failed to create \"bf\" receiver, in pipeline \"traces/*\": telemetry type is not supported",
},
{
name: "not_supported_connector_traces_traces.yaml",
receiverCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopReceiverFactory.CreateDefaultConfig(),
},
exporterCfgs: map[component.ID]component.Config{
component.NewID("nop"): nopExporterFactory.CreateDefaultConfig(),
},
connectorCfgs: map[component.ID]component.Config{