VictoriaMetrics/app/vmalert/datasource/init.go
Roman Khavronenko 82ecfa3b32
app/vmalert: move flags description and initialization into subpackages
The change adds no new functionality and aims to move flags definitions
to subpackages that are using them. This should improve readability
of the main function.
2020-06-28 12:26:22 +01:00

38 lines
1.8 KiB
Go

package datasource
import (
"flag"
"fmt"
"net/http"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
)
var (
addr = flag.String("datasource.url", "", "Victoria Metrics or VMSelect url. Required parameter."+
" E.g. http://127.0.0.1:8428")
basicAuthUsername = flag.String("datasource.basicAuth.username", "", "Optional basic auth username for -datasource.url")
basicAuthPassword = flag.String("datasource.basicAuth.password", "", "Optional basic auth password for -datasource.url")
tlsInsecureSkipVerify = flag.Bool("datasource.tlsInsecureSkipVerify", false, "Whether to skip tls verification when connecting to -datasource.url")
tlsCertFile = flag.String("datasource.tlsCertFile", "", "Optional path to client-side TLS certificate file to use when connecting to -datasource.url")
tlsKeyFile = flag.String("datasource.tlsKeyFile", "", "Optional path to client-side TLS certificate key to use when connecting to -datasource.url")
tlsCAFile = flag.String("datasource.tlsCAFile", "", "Optional path to TLS CA file to use for verifying connections to -datasource.url. "+
"By default system CA is used")
tlsServerName = flag.String("datasource.tlsServerName", "", "Optional TLS server name to use for connections to -datasource.url. "+
"By default the server name from -datasource.url is used")
)
// Init creates a Querier from provided flag values.
func Init() (Querier, error) {
if *addr == "" {
flag.PrintDefaults()
return nil, fmt.Errorf("datasource.url is empty")
}
tr, err := utils.Transport(*addr, *tlsCertFile, *tlsKeyFile, *tlsCAFile, *tlsServerName, *tlsInsecureSkipVerify)
if err != nil {
return nil, fmt.Errorf("failed to create transport: %s", err)
}
c := &http.Client{Transport: tr}
return NewVMStorage(*addr, *basicAuthUsername, *basicAuthPassword, c), nil
}