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Add remote online/offline information (#10825)

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Log information about remote clients being marked offline.

This will help to identify root causes of failures.
This commit is contained in:
Klaus Post 2020-11-04 08:27:32 -08:00 committed by GitHub
parent 2294e53a0b
commit 3b88a646ec
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1 changed files with 5 additions and 0 deletions
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5
cmd/rest/client.go
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@ -28,6 +28,7 @@ import (
"time"
xhttp "github.com/minio/minio/cmd/http"
"github.com/minio/minio/cmd/logger"
xnet "github.com/minio/minio/pkg/net"
)
@ -117,6 +118,7 @@ func (c *Client) Call(ctx context.Context, method string, values url.Values, bod
resp, err := c.httpClient.Do(req)
if err != nil {
if xnet.IsNetworkOrHostDown(err, c.ExpectTimeouts) {
logger.Info("Marking %s temporary offline; caused by %v", c.url.String(), err)
c.MarkOffline()
}
return nil, &NetworkError{err}
@ -139,6 +141,7 @@ func (c *Client) Call(ctx context.Context, method string, values url.Values, bod
// fully it should make sure to respond with '412'
// instead, see cmd/storage-rest-server.go for ideas.
if resp.StatusCode == http.StatusPreconditionFailed {
logger.Info("Marking %s temporary offline; caused by PreconditionFailed.", c.url.String())
c.MarkOffline()
}
defer xhttp.DrainBody(resp.Body)
@ -146,6 +149,7 @@ func (c *Client) Call(ctx context.Context, method string, values url.Values, bod
b, err := ioutil.ReadAll(io.LimitReader(resp.Body, c.MaxErrResponseSize))
if err != nil {
if xnet.IsNetworkOrHostDown(err, c.ExpectTimeouts) {
logger.Info("Marking %s temporary offline; caused by %v", c.url.String(), err)
c.MarkOffline()
}
return nil, err
@ -197,6 +201,7 @@ func (c *Client) MarkOffline() {
}
if c.HealthCheckFn() {
atomic.CompareAndSwapInt32(&c.connected, offline, online)
logger.Info("Client %s online", c.url.String())
return
}
time.Sleep(time.Duration(r.Float64() * float64(c.HealthCheckInterval)))