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backend: configure protocol-level connection health checks

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This should detect a connection that is stuck for more than 2 minutes.
This commit is contained in:
Michael Eischer 2024-05-01 20:03:31 +02:00
parent 24c1822220
commit 0987c731ec
1 changed files with 12 additions and 1 deletions
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13
internal/backend/http_transport.go
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@ -13,6 +13,7 @@ import (
"github.com/peterbourgon/unixtransport" "github.com/peterbourgon/unixtransport"
"github.com/restic/restic/internal/debug" "github.com/restic/restic/internal/debug"
"github.com/restic/restic/internal/errors" "github.com/restic/restic/internal/errors"
"golang.org/x/net/http2"
) )
// TransportOptions collects various options which can be set for an HTTP based // TransportOptions collects various options which can be set for an HTTP based
@ -74,7 +75,6 @@ func Transport(opts TransportOptions) (http.RoundTripper, error) {
KeepAlive: 30 * time.Second, KeepAlive: 30 * time.Second,
DualStack: true, DualStack: true,
}).DialContext, }).DialContext,
ForceAttemptHTTP2: true,
MaxIdleConns: 100, MaxIdleConns: 100,
MaxIdleConnsPerHost: 100, MaxIdleConnsPerHost: 100,
IdleConnTimeout: 90 * time.Second, IdleConnTimeout: 90 * time.Second,
@ -83,6 +83,17 @@ func Transport(opts TransportOptions) (http.RoundTripper, error) {
TLSClientConfig: &tls.Config{}, TLSClientConfig: &tls.Config{},
} }
// ensure that http2 connections are closed if they are broken
h2, err := http2.ConfigureTransports(tr)
if err != nil {
panic(err)
}
if feature.Flag.Enabled(feature.HTTPTimeouts) {
h2.WriteByteTimeout = 120 * time.Second
h2.ReadIdleTimeout = 60 * time.Second
h2.PingTimeout = 60 * time.Second
}
unixtransport.Register(tr) unixtransport.Register(tr)
if opts.InsecureTLS { if opts.InsecureTLS {