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Fix: MetricReceiver uses uninitialized values, when initialization fails

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This commit is contained in:
Holger Obermaier 2022-02-23 15:58:51 +01:00
parent f911ff802c
commit 2f044f4b58
1 changed files with 4 additions and 1 deletions
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5
receivers/receiveManager.go
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@ -30,11 +30,13 @@ type ReceiveManager interface {
} }
func (rm *receiveManager) Init(wg *sync.WaitGroup, receiverConfigFile string) error { func (rm *receiveManager) Init(wg *sync.WaitGroup, receiverConfigFile string) error {
// Initialize struct fields
rm.inputs = make([]Receiver, 0) rm.inputs = make([]Receiver, 0)
rm.output = nil rm.output = nil
rm.done = make(chan bool) rm.done = make(chan bool)
rm.wg = wg rm.wg = wg
rm.config = make([]json.RawMessage, 0) rm.config = make([]json.RawMessage, 0)
configFile, err := os.Open(receiverConfigFile) configFile, err := os.Open(receiverConfigFile)
if err != nil { if err != nil {
cclog.ComponentError("ReceiveManager", err.Error()) cclog.ComponentError("ReceiveManager", err.Error())
@ -51,6 +53,7 @@ func (rm *receiveManager) Init(wg *sync.WaitGroup, receiverConfigFile string) er
for name, raw := range rawConfigs { for name, raw := range rawConfigs {
rm.AddInput(name, raw) rm.AddInput(name, raw)
} }
return nil return nil
} }
@ -77,7 +80,7 @@ func (rm *receiveManager) AddInput(name string, rawConfig json.RawMessage) error
} }
r, err := AvailableReceivers[config.Type](name, rawConfig) r, err := AvailableReceivers[config.Type](name, rawConfig)
if err != nil { if err != nil {
cclog.ComponentError("ReceiveManager", "SKIP", r.Name(), "initialization failed:", err.Error()) cclog.ComponentError("ReceiveManager", "SKIP", name, "initialization failed:", err.Error())
return err return err
} }
rm.inputs = append(rm.inputs, r) rm.inputs = append(rm.inputs, r)