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e80b44f19d
* vmalert: deprecate cmd-line flag `-datasource.lookback` * fix lint * review fixes Signed-off-by: hagen1778 <roman@victoriametrics.com> --------- Signed-off-by: hagen1778 <roman@victoriametrics.com> Co-authored-by: hagen1778 <roman@victoriametrics.com>
84 lines
5.0 KiB
Go
84 lines
5.0 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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"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
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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', '-remoteRead.showURL'.")
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showRemoteReadURL = flag.Bool("remoteRead.showURL", false, "Whether to show -remoteRead.url in the exported metrics. "+
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"It is hidden by default, since it can contain sensitive info such as auth key")
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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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oauth2EndpointParams = flag.String("remoteRead.oauth2.endpointParams", "", "Optional OAuth2 endpoint parameters to use for -remoteRead.url . "+
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`The endpoint parameters must be set in JSON format: {"param1":"value1",...,"paramN":"valueN"}`)
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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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// InitSecretFlags must be called after flag.Parse and before any logging
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func InitSecretFlags() {
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if !*showRemoteReadURL {
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flagutil.RegisterSecretFlag("remoteRead.url")
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}
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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 := httputils.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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endpointParams, err := flagutil.ParseJSONMap(*oauth2EndpointParams)
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if err != nil {
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return nil, fmt.Errorf("cannot parse JSON for -remoteRead.oauth2.endpointParams=%s: %w", *oauth2EndpointParams, 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, endpointParams),
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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, false, c), nil
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}
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