VictoriaMetrics/app/vmalert/remotewrite/init.go
Aliaksandr Valialkin d962568e93 all: use %w instead of %s for wrapping errors in fmt.Errorf
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
2020-06-30 23:33:46 +03:00

54 lines
2.6 KiB
Go

package remotewrite
import (
"context"
"flag"
"fmt"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
)
var (
addr = flag.String("remoteWrite.url", "", "Optional URL to Victoria Metrics or VMInsert where to persist alerts state"+
" and recording rules results in form of timeseries. E.g. http://127.0.0.1:8428")
basicAuthUsername = flag.String("remoteWrite.basicAuth.username", "", "Optional basic auth username for -remoteWrite.url")
basicAuthPassword = flag.String("remoteWrite.basicAuth.password", "", "Optional basic auth password for -remoteWrite.url")
maxQueueSize = flag.Int("remoteWrite.maxQueueSize", 1e5, "Defines the max number of pending datapoints to remote write endpoint")
maxBatchSize = flag.Int("remoteWrite.maxBatchSize", 1e3, "Defines defines max number of timeseries to be flushed at once")
concurrency = flag.Int("remoteWrite.concurrency", 1, "Defines number of writers for concurrent writing into remote querier")
flushInterval = flag.Duration("remoteWrite.flushInterval", 5*time.Second, "Defines interval of flushes to remote write endpoint")
tlsInsecureSkipVerify = flag.Bool("remoteWrite.tlsInsecureSkipVerify", false, "Whether to skip tls verification when connecting to -remoteWrite.url")
tlsCertFile = flag.String("remoteWrite.tlsCertFile", "", "Optional path to client-side TLS certificate file to use when connecting to -remoteWrite.url")
tlsKeyFile = flag.String("remoteWrite.tlsKeyFile", "", "Optional path to client-side TLS certificate key to use when connecting to -remoteWrite.url")
tlsCAFile = flag.String("remoteWrite.tlsCAFile", "", "Optional path to TLS CA file to use for verifying connections to -remoteWrite.url. "+
"By default system CA is used")
tlsServerName = flag.String("remoteWrite.tlsServerName", "", "Optional TLS server name to use for connections to -remoteWrite.url. "+
"By default the server name from -remoteWrite.url is used")
)
// Init creates Client object from given flags.
// Returns nil if addr flag wasn't set.
func Init(ctx context.Context) (*Client, error) {
if *addr == "" {
return nil, nil
}
t, err := utils.Transport(*addr, *tlsCertFile, *tlsKeyFile, *tlsCAFile, *tlsServerName, *tlsInsecureSkipVerify)
if err != nil {
return nil, fmt.Errorf("failed to create transport: %w", err)
}
return NewClient(ctx, Config{
Addr: *addr,
Concurrency: *concurrency,
MaxQueueSize: *maxQueueSize,
MaxBatchSize: *maxBatchSize,
FlushInterval: *flushInterval,
BasicAuthUser: *basicAuthUsername,
BasicAuthPass: *basicAuthPassword,
Transport: t,
})
}