harbor/src/cmd/exporter/main.go

133 lines
4.5 KiB
Go

// Copyright Project Harbor 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 main
import (
"net/http"
"os"
"strings"
"time"
_ "github.com/jackc/pgx/v4/stdlib" // registry pgx driver
"github.com/prometheus/client_golang/prometheus"
"github.com/spf13/viper"
"github.com/goharbor/harbor/src/common/dao"
commonthttp "github.com/goharbor/harbor/src/common/http"
"github.com/goharbor/harbor/src/common/models"
"github.com/goharbor/harbor/src/lib/log"
"github.com/goharbor/harbor/src/pkg/exporter"
)
func main() {
viper.AutomaticEnv()
viper.SetEnvPrefix("harbor")
viper.AutomaticEnv()
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
dbCfg := &models.Database{
Type: "postgresql",
PostGreSQL: &models.PostGreSQL{
Host: viper.GetString("database.host"),
Port: viper.GetInt("database.port"),
Username: viper.GetString("database.username"),
Password: viper.GetString("database.password"),
Database: viper.GetString("database.dbname"),
SSLMode: viper.GetString("database.sslmode"),
MaxIdleConns: viper.GetInt("database.max_idle_conns"),
MaxOpenConns: viper.GetInt("database.max_open_conns"),
ConnMaxLifetime: getConnMaxLifetime(viper.GetString("database.conn_max_lifetime")),
ConnMaxIdleTime: getConnMaxIdleTime(viper.GetString("database.conn_max_idle_time")),
},
}
if err := dao.InitDatabase(dbCfg); err != nil {
log.Fatalf("failed to initialize database: %v", err)
}
exporter.InitHarborClient(&exporter.HarborClient{
HarborScheme: viper.GetString("service.scheme"),
HarborHost: viper.GetString("service.host"),
HarborPort: viper.GetInt("service.port"),
Client: &http.Client{
Transport: commonthttp.GetHTTPTransport(),
},
})
exporter.InitBackendWorker(&exporter.RedisPoolConfig{
URL: viper.GetString("redis.url"),
Namespace: viper.GetString("redis.namespace"),
IdleTimeoutSecond: viper.GetInt("redis.timeout"),
})
exporterOpt := &exporter.Opt{
Port: viper.GetInt("exporter.port"),
MetricsPath: viper.GetString("exporter.metrics_path"),
ExporterMetricsEnabled: viper.GetBool("exporter.metrics_enabled"),
MaxRequests: viper.GetInt("exporter.max_requests"),
TLSEnabled: viper.GetBool("exporter.tls_enabled"),
Certificate: viper.GetString("exporter.tls_cert"),
Key: viper.GetString("exporter.tls_key"),
CacheDuration: viper.GetInt64("exporter.cache_time"),
CacheCleanInterval: viper.GetInt64("exporter.cache_clean_interval"),
}
harborExporter := exporter.NewExporter(exporterOpt)
log.Infof("Starting harbor_exporter with port=%v path=%v metrics=%v max_request=%v tls=%v cert=%v key=%v cache_time=%v clean_interval=%v",
exporterOpt.Port,
exporterOpt.MetricsPath,
exporterOpt.ExporterMetricsEnabled,
exporterOpt.MaxRequests,
exporterOpt.TLSEnabled,
exporterOpt.Certificate,
exporterOpt.Key,
exporterOpt.CacheDuration,
exporterOpt.CacheCleanInterval,
)
prometheus.MustRegister(harborExporter)
if err := harborExporter.ListenAndServe(); err != nil {
log.Errorf("Error starting Harbor exporter %s", err)
os.Exit(1)
}
}
func getConnMaxLifetime(duration string) time.Duration {
// set conn max life time, 5m by default
connMaxLifetime := 5 * time.Minute
if duration != "" {
maxLifetime, err := time.ParseDuration(duration)
if err == nil {
connMaxLifetime = maxLifetime
} else {
log.Warningf("Failed to parse database.conn_max_lifetime, use default value: %s, err: %v", connMaxLifetime, err)
}
}
return connMaxLifetime
}
func getConnMaxIdleTime(duration string) time.Duration {
// set conn max idle time, 0 by default
connMaxIdleTime := time.Duration(0)
if duration != "" {
maxIdleTime, err := time.ParseDuration(duration)
if err == nil {
connMaxIdleTime = maxIdleTime
} else {
log.Warningf("Failed to parse database.conn_max_idle_time, use default value: %s, err: %v", connMaxIdleTime, err)
}
}
return connMaxIdleTime
}