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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package clients
import (
"context"
"net/http"
"time"
"github.com/pkg/errors"
)
func (c *client) WaitForStartup(initCtx context.Context,
interval time.Duration,
) error {
t := time.NewTicker(interval)
defer t.Stop()
expired := initCtx.Done()
var lastErr error
for {
select {
case <-t.C:
lastErr = c.checkReady(initCtx)
if lastErr == nil {
return nil
}
c.logger.
WithField("action", "gpt4all_remote_wait_for_startup").
WithError(lastErr).Warnf("gpt4all remote service not ready")
case <-expired:
return errors.Wrapf(lastErr, "init context expired before remote was ready")
}
}
}
func (c *client) checkReady(initCtx context.Context) error {
// spawn a new context (derived on the overall context) which is used to
// consider an individual request timed out
requestCtx, cancel := context.WithTimeout(initCtx, 500*time.Millisecond)
defer cancel()
req, err := http.NewRequestWithContext(requestCtx, http.MethodGet,
c.url("/.well-known/ready"), nil)
if err != nil {
return errors.Wrap(err, "create check ready request")
}
res, err := c.httpClient.Do(req)
if err != nil {
return errors.Wrap(err, "send check ready request")
}
defer res.Body.Close()
if res.StatusCode > 299 {
return errors.Errorf("not ready: status %d", res.StatusCode)
}
return nil
}
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