VictoriaMetrics/app/vmalert/remotewrite/init.go

71 lines
3.7 KiB
Go

package remotewrite
import (
"context"
"flag"
"fmt"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
)
var (
addr = flag.String("remoteWrite.url", "", "Optional URL to VictoriaMetrics or vminsert where to persist alerts state "+
"and recording rules results in form of timeseries. For example, if -remoteWrite.url=http://127.0.0.1:8428 is specified, "+
"then the alerts state will be written to http://127.0.0.1:8428/api/v1/write . See also -remoteWrite.disablePathAppend")
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")
basicAuthPasswordFile = flag.String("remoteWrite.basicAuth.passwordFile", "", "Optional path to basic auth password to use for -remoteWrite.url")
bearerToken = flag.String("remoteWrite.bearerToken", "", "Optional bearer auth token to use for -remoteWrite.url.")
bearerTokenFile = flag.String("remoteWrite.bearerTokenFile", "", "Optional path to bearer token file to use 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")
disablePathAppend = flag.Bool("remoteWrite.disablePathAppend", false, "Whether to disable automatic appending of '/api/v1/write' path to the configured -remoteWrite.url.")
)
// 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)
}
baCfg := &promauth.BasicAuthConfig{
Username: *basicAuthUsername,
Password: *basicAuthPassword,
PasswordFile: *basicAuthPasswordFile,
}
authCfg, err := promauth.NewConfig(".", nil, baCfg, *bearerToken, *bearerTokenFile, nil, nil)
if err != nil {
return nil, fmt.Errorf("failed to configure auth: %w", err)
}
return NewClient(ctx, Config{
Addr: *addr,
AuthCfg: authCfg,
Concurrency: *concurrency,
MaxQueueSize: *maxQueueSize,
MaxBatchSize: *maxBatchSize,
FlushInterval: *flushInterval,
DisablePathAppend: *disablePathAppend,
Transport: t,
})
}