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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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6af40f6275
vmalert can be successfully used with datasources compatible with Prometheus HTTP API. So we remove comments or notes in Readme which are saying opposite. Signed-off-by: hagen1778 <roman@victoriametrics.com>
65 lines
4 KiB
Go
65 lines
4 KiB
Go
package remoteread
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import (
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"flag"
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"fmt"
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"net/http"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/datasource"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/utils"
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)
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var (
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addr = flag.String("remoteRead.url", "", "Optional URL to datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect."+
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"Remote read is used to restore alerts state."+
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"This configuration makes sense only if `vmalert` was configured with `remoteWrite.url` before and has been successfully persisted its state. "+
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"E.g. http://127.0.0.1:8428. See also -remoteRead.disablePathAppend")
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headers = flag.String("remoteRead.headers", "", "Optional HTTP headers to send with each request to the corresponding -remoteRead.url. "+
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"For example, -remoteRead.headers='My-Auth:foobar' would send 'My-Auth: foobar' HTTP header with every request to the corresponding -remoteRead.url. "+
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"Multiple headers must be delimited by '^^': -remoteRead.headers='header1:value1^^header2:value2'")
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basicAuthUsername = flag.String("remoteRead.basicAuth.username", "", "Optional basic auth username for -remoteRead.url")
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basicAuthPassword = flag.String("remoteRead.basicAuth.password", "", "Optional basic auth password for -remoteRead.url")
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basicAuthPasswordFile = flag.String("remoteRead.basicAuth.passwordFile", "", "Optional path to basic auth password to use for -remoteRead.url")
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bearerToken = flag.String("remoteRead.bearerToken", "", "Optional bearer auth token to use for -remoteRead.url.")
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bearerTokenFile = flag.String("remoteRead.bearerTokenFile", "", "Optional path to bearer token file to use for -remoteRead.url.")
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tlsInsecureSkipVerify = flag.Bool("remoteRead.tlsInsecureSkipVerify", false, "Whether to skip tls verification when connecting to -remoteRead.url")
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tlsCertFile = flag.String("remoteRead.tlsCertFile", "", "Optional path to client-side TLS certificate file to use when connecting to -remoteRead.url")
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tlsKeyFile = flag.String("remoteRead.tlsKeyFile", "", "Optional path to client-side TLS certificate key to use when connecting to -remoteRead.url")
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tlsCAFile = flag.String("remoteRead.tlsCAFile", "", "Optional path to TLS CA file to use for verifying connections to -remoteRead.url. "+
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"By default system CA is used")
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tlsServerName = flag.String("remoteRead.tlsServerName", "", "Optional TLS server name to use for connections to -remoteRead.url. "+
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"By default the server name from -remoteRead.url is used")
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oauth2ClientID = flag.String("remoteRead.oauth2.clientID", "", "Optional OAuth2 clientID to use for -remoteRead.url.")
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oauth2ClientSecret = flag.String("remoteRead.oauth2.clientSecret", "", "Optional OAuth2 clientSecret to use for -remoteRead.url.")
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oauth2ClientSecretFile = flag.String("remoteRead.oauth2.clientSecretFile", "", "Optional OAuth2 clientSecretFile to use for -remoteRead.url.")
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oauth2TokenURL = flag.String("remoteRead.oauth2.tokenUrl", "", "Optional OAuth2 tokenURL to use for -remoteRead.url. ")
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oauth2Scopes = flag.String("remoteRead.oauth2.scopes", "", "Optional OAuth2 scopes to use for -remoteRead.url. Scopes must be delimited by ';'.")
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)
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// Init creates a Querier from provided flag values.
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// Returns nil if addr flag wasn't set.
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func Init() (datasource.QuerierBuilder, error) {
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if *addr == "" {
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return nil, nil
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}
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tr, err := utils.Transport(*addr, *tlsCertFile, *tlsKeyFile, *tlsCAFile, *tlsServerName, *tlsInsecureSkipVerify)
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if err != nil {
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return nil, fmt.Errorf("failed to create transport: %w", err)
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}
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authCfg, err := utils.AuthConfig(
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utils.WithBasicAuth(*basicAuthUsername, *basicAuthPassword, *basicAuthPasswordFile),
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utils.WithBearer(*bearerToken, *bearerTokenFile),
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utils.WithOAuth(*oauth2ClientID, *oauth2ClientSecret, *oauth2ClientSecretFile, *oauth2TokenURL, *oauth2Scopes),
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utils.WithHeaders(*headers))
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if err != nil {
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return nil, fmt.Errorf("failed to configure auth: %w", err)
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}
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c := &http.Client{Transport: tr}
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return datasource.NewVMStorage(*addr, authCfg, 0, 0, false, c), nil
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}
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