mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-20 23:46:23 +01:00
77 lines
4.5 KiB
Go
77 lines
4.5 KiB
Go
package remoteread
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"net/http"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/datasource"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
|
|
)
|
|
|
|
var (
|
|
addr = flag.String("remoteRead.url", "", "Optional URL to datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect."+
|
|
"Remote read is 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. See also '-remoteRead.disablePathAppend', '-remoteRead.showURL'.")
|
|
|
|
showRemoteReadURL = flag.Bool("remoteRead.showURL", false, "Whether to show -remoteRead.url in the exported metrics. "+
|
|
"It is hidden by default, since it can contain sensitive info such as auth key")
|
|
|
|
headers = flag.String("remoteRead.headers", "", "Optional HTTP headers to send with each request to the corresponding -remoteRead.url. "+
|
|
"For example, -remoteRead.headers='My-Auth:foobar' would send 'My-Auth: foobar' HTTP header with every request to the corresponding -remoteRead.url. "+
|
|
"Multiple headers must be delimited by '^^': -remoteRead.headers='header1:value1^^header2:value2'")
|
|
|
|
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")
|
|
|
|
oauth2ClientID = flag.String("remoteRead.oauth2.clientID", "", "Optional OAuth2 clientID to use for -remoteRead.url.")
|
|
oauth2ClientSecret = flag.String("remoteRead.oauth2.clientSecret", "", "Optional OAuth2 clientSecret to use for -remoteRead.url.")
|
|
oauth2ClientSecretFile = flag.String("remoteRead.oauth2.clientSecretFile", "", "Optional OAuth2 clientSecretFile to use for -remoteRead.url.")
|
|
oauth2TokenURL = flag.String("remoteRead.oauth2.tokenUrl", "", "Optional OAuth2 tokenURL to use for -remoteRead.url. ")
|
|
oauth2Scopes = flag.String("remoteRead.oauth2.scopes", "", "Optional OAuth2 scopes to use for -remoteRead.url. Scopes must be delimited by ';'.")
|
|
)
|
|
|
|
// InitSecretFlags must be called after flag.Parse and before any logging
|
|
func InitSecretFlags() {
|
|
if !*showRemoteReadURL {
|
|
flagutil.RegisterSecretFlag("remoteRead.url")
|
|
}
|
|
}
|
|
|
|
// 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(
|
|
utils.WithBasicAuth(*basicAuthUsername, *basicAuthPassword, *basicAuthPasswordFile),
|
|
utils.WithBearer(*bearerToken, *bearerTokenFile),
|
|
utils.WithOAuth(*oauth2ClientID, *oauth2ClientSecret, *oauth2ClientSecretFile, *oauth2TokenURL, *oauth2Scopes),
|
|
utils.WithHeaders(*headers))
|
|
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
|
|
}
|