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Use Merge with AppendValues option when merging default config with hints generated config #36857

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merged 4 commits into from
Oct 24, 2023
Merged

Use Merge with AppendValues option when merging default config with hints generated config #36857

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ed06e47
Use Merge with AppendValues option when merging default config with h…
MichaelKatsoulis Oct 16, 2023
3e21b0b
Update filebeat/autodiscover/builder/hints/logs.go
MichaelKatsoulis Oct 16, 2023
481e702
Update changelog
MichaelKatsoulis Oct 16, 2023
d4387d8
Merge branch 'main' into hints-autodiscover-merge-config-with-appendv…
MichaelKatsoulis Oct 16, 2023
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3 changes: 2 additions & 1 deletion filebeat/autodiscover/builder/hints/logs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,8 @@ func (l *logHints) CreateConfig(event bus.Event, options ...ucfg.Option) []*conf
kubernetes.ShouldPut(tempCfg, json, jsonOpts, l.log)
}
// Merge config template with the configs from the annotations
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Remove this now. Is not needed probably

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I think it is still a valid comment as it describes what is merged. And then we describe why AppendValues option is used.

if err := config.Merge(tempCfg); err != nil {
// AppendValues option is used to append arrays to existing arrays while merging
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if err := config.MergeWithOpts(tempCfg, ucfg.AppendValues); err != nil {
logp.Debug("hints.builder", "config merge failed with error: %v", err)
continue
}
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73 changes: 73 additions & 0 deletions filebeat/autodiscover/builder/hints/logs_test.go
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Expand Up @@ -43,6 +43,24 @@ func TestGenerateHints(t *testing.T) {
},
})

customProcessorCfg := conf.MustNewConfigFrom(map[string]interface{}{
"default_config": map[string]interface{}{
"type": "container",
"paths": []string{
"/var/lib/docker/containers/${data.container.id}/*-json.log",
},
"close_timeout": "true",
"processors": []interface{}{
map[string]interface{}{
"add_tags": map[string]interface{}{
"tags": []string{"web"},
"target": "environment",
},
},
},
},
})

defaultCfg := conf.NewConfig()

defaultDisabled := conf.MustNewConfigFrom(map[string]interface{}{
Expand Down Expand Up @@ -389,6 +407,61 @@ func TestGenerateHints(t *testing.T) {
},
},
},
{
msg: "Processors in hints must be appended in the processors of the default config",
config: customProcessorCfg,
event: bus.Event{
"host": "1.2.3.4",
"kubernetes": mapstr.M{
"container": mapstr.M{
"name": "foobar",
"id": "abc",
},
},
"container": mapstr.M{
"name": "foobar",
"id": "abc",
},
"hints": mapstr.M{
"logs": mapstr.M{
"processors": mapstr.M{
"1": mapstr.M{
"dissect": mapstr.M{
"tokenizer": "%{key1} %{key2}",
},
},
"drop_event": mapstr.M{},
},
},
},
},
len: 1,
result: []mapstr.M{
{
"type": "container",
"paths": []interface{}{
"/var/lib/docker/containers/abc/*-json.log",
},
"close_timeout": "true",
"processors": []interface{}{
map[string]interface{}{
"add_tags": map[string]interface{}{
"tags": []interface{}{"web"},
"target": "environment",
},
},
map[string]interface{}{
"dissect": map[string]interface{}{
"tokenizer": "%{key1} %{key2}",
},
},
map[string]interface{}{
"drop_event": nil,
},
},
},
},
},
{
msg: "Hint with module should attach input to its filesets",
config: customCfg,
Expand Down
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