/
defaults.go
86 lines (78 loc) · 2.17 KB
/
defaults.go
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/*
* Copyright 2020 The Knative 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 config
import (
"fmt"
nethttp "net/http"
"os"
"strconv"
"time"
"go.uber.org/zap"
)
const (
// DefaultReceiverPort point to a default port of receiver component, and is
// unique so that components can be easily run on localhost for easy debugging
DefaultReceiverPort = 22111
// DefaultForwarderPort point to a default port of forwarder component
DefaultForwarderPort = 22110
)
// Instance holds configuration values
var Instance = defaultValues()
var port = envint("PORT", DefaultReceiverPort)
var forwarderPort = envint("PORT", DefaultForwarderPort)
func envint(envKey string, defaultValue int) int {
val, ok := os.LookupEnv(envKey)
if !ok {
return defaultValue
}
result, err := strconv.Atoi(val)
if err != nil {
panic(err)
}
return result
}
func defaultValues() *Config {
return &Config{
Receiver: ReceiverConfig{
Port: port,
Teardown: ReceiverTeardownConfig{
Duration: 60 * time.Second,
Interval: 1 * time.Second,
},
Progress: ReceiverProgressConfig{
Duration: time.Second,
},
Errors: ReceiverErrorConfig{
UnavailablePeriodToReport: time.Minute,
},
},
Forwarder: ForwarderConfig{
Target: fmt.Sprintf("http://localhost:%v/", port),
Port: forwarderPort,
},
Sender: SenderConfig{
Address: fmt.Sprintf("http://localhost:%v/", forwarderPort),
Interval: 10 * time.Millisecond,
},
Readiness: ReadinessConfig{
Enabled: true,
URI: "/healthz",
Message: "OK",
Status: nethttp.StatusOK,
},
LogLevel: zap.InfoLevel.String(),
TracingConfig: `{"backend":"none","debug":"false","sample-rate":"0.1"}`,
}
}