VictoriaMetrics/app/vmalert/remoteread/init.go
Roman Khavronenko 286b79dc48 vmalert: create basic auth config only if args aren't empty (#1618)
* vmalert: create basic auth config only if args aren't empty

follow-up after 68721f6

* vmalert: make lint happy
2021-09-15 09:35:38 +03:00

48 lines
2.7 KiB
Go

package remoteread
import (
"flag"
"fmt"
"net/http"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/datasource"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
)
var (
addr = flag.String("remoteRead.url", "", "Optional URL to VictoriaMetrics or vmselect that will be used to restore alerts "+
"state. This configuration makes sense only if `vmalert` was configured with `remoteWrite.url` before and has been successfully persisted its state. "+
"E.g. http://127.0.0.1:8428")
basicAuthUsername = flag.String("remoteRead.basicAuth.username", "", "Optional basic auth username for -remoteRead.url")
basicAuthPassword = flag.String("remoteRead.basicAuth.password", "", "Optional basic auth password for -remoteRead.url")
basicAuthPasswordFile = flag.String("remoteRead.basicAuth.passwordFile", "", "Optional path to basic auth password to use for -remoteRead.url")
bearerToken = flag.String("remoteRead.bearerToken", "", "Optional bearer auth token to use for -remoteRead.url.")
bearerTokenFile = flag.String("remoteRead.bearerTokenFile", "", "Optional path to bearer token file to use for -remoteRead.url.")
tlsInsecureSkipVerify = flag.Bool("remoteRead.tlsInsecureSkipVerify", false, "Whether to skip tls verification when connecting to -remoteRead.url")
tlsCertFile = flag.String("remoteRead.tlsCertFile", "", "Optional path to client-side TLS certificate file to use when connecting to -remoteRead.url")
tlsKeyFile = flag.String("remoteRead.tlsKeyFile", "", "Optional path to client-side TLS certificate key to use when connecting to -remoteRead.url")
tlsCAFile = flag.String("remoteRead.tlsCAFile", "", "Optional path to TLS CA file to use for verifying connections to -remoteRead.url. "+
"By default system CA is used")
tlsServerName = flag.String("remoteRead.tlsServerName", "", "Optional TLS server name to use for connections to -remoteRead.url. "+
"By default the server name from -remoteRead.url is used")
)
// Init creates a Querier from provided flag values.
// Returns nil if addr flag wasn't set.
func Init() (datasource.QuerierBuilder, error) {
if *addr == "" {
return nil, nil
}
tr, err := utils.Transport(*addr, *tlsCertFile, *tlsKeyFile, *tlsCAFile, *tlsServerName, *tlsInsecureSkipVerify)
if err != nil {
return nil, fmt.Errorf("failed to create transport: %w", err)
}
authCfg, err := utils.AuthConfig(*basicAuthUsername, *basicAuthPassword, *basicAuthPasswordFile, *bearerToken, *bearerTokenFile)
if err != nil {
return nil, fmt.Errorf("failed to configure auth: %w", err)
}
c := &http.Client{Transport: tr}
return datasource.NewVMStorage(*addr, authCfg, 0, 0, false, c), nil
}