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log fallback errors as "info" 

Fallback errors are not an error, but an
informational message.

This changes those errors to be logged
as "Info" instead of "Error".

After this patch, debug logs look like this;

    DEBU[0050] Calling GET /_ping
    DEBU[0050] Calling POST /v1.27/images/create?fromImage=localhost%3A5000%2Ffoo&tag=latest
    DEBU[0050] Trying to pull localhost:5000/foo from https://localhost:5000 v2
    WARN[0050] Error getting v2 registry: Get https://localhost:5000/v2/: http: server gave HTTP response to HTTPS client
    INFO[0050] Attempting next endpoint for pull after error: Get https://localhost:5000/v2/: http: server gave HTTP response to HTTPS client
    DEBU[0050] Trying to pull localhost:5000/foo from http://localhost:5000 v2
    INFO[0050] Attempting next endpoint for pull after error: manifest unknown: manifest unknown
    DEBU[0050] Trying to pull localhost:5000/foo from https://localhost:5000 v1
    DEBU[0050] attempting v1 ping for registry endpoint https://localhost:5000/v1/
    DEBU[0050] Fallback from error: Get https://localhost:5000/v1/_ping: http: server gave HTTP response to HTTPS client
    INFO[0050] Attempting next endpoint for pull after error: Get https://localhost:5000/v1/_ping: http: server gave HTTP response to HTTPS client
    DEBU[0050] Trying to pull localhost:5000/foo from http://localhost:5000 v1
    DEBU[0050] [registry] Calling GET http://localhost:5000/v1/repositories/foo/images
    ERRO[0050] Not continuing with pull after error: Error: image foo:latest not found

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2017-02-20 17:50:31 +01:00
parent 87e45626f4
commit 8606144159
No known key found for this signature in database
GPG Key ID: 76698F39D527CE8C
3 changed files with 2 additions and 3 deletions
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2
distribution/pull.go
View File

@ -140,7 +140,7 @@ func Pull(ctx context.Context, ref reference.Named, imagePullConfig *ImagePullCo
// append subsequent errors
lastErr = err
}
logrus.Errorf("Attempting next endpoint for pull after error: %v", err)
logrus.Infof("Attempting next endpoint for pull after error: %v", err)
continue
}
logrus.Errorf("Not continuing with pull after error: %v", err)

1
distribution/pull_v2.go
View File

@ -73,7 +73,6 @@ func (p *v2Puller) Pull(ctx context.Context, ref reference.Named) (err error) {
return err
}
if continueOnError(err) {
logrus.Errorf("Error trying v2 registry: %v", err)
return fallbackError{
err: err,
confirmedV2: p.confirmedV2,

2
distribution/push.go
View File

@ -126,7 +126,7 @@ func Push(ctx context.Context, ref reference.Named, imagePushConfig *ImagePushCo
}
err = fallbackErr.err
lastErr = err
logrus.Errorf("Attempting next endpoint for push after error: %v", err)
logrus.Infof("Attempting next endpoint for push after error: %v", err)
continue
}
}