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runtime: log IO error when copying output streams

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Signed-off-by: Peter Wagner <thepwagner@github.com>
This commit is contained in:
Peter Wagner 2019-03-28 12:59:48 -07:00
parent 2d0a06d41b
commit e96ac2040d
1 changed files with 7 additions and 2 deletions
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9
runtime/v1/linux/proc/io.go
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@ -29,6 +29,7 @@ import (
"sync"
"syscall"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/runtime/proc"
"github.com/containerd/fifo"
@ -136,7 +137,9 @@ func copyPipes(ctx context.Context, rio runc.IO, stdin, stdout, stderr string, w
cwg.Done()
p := bufPool.Get().(*[]byte)
defer bufPool.Put(p)
io.CopyBuffer(wc, rio.Stdout(), *p)
if _, err := io.CopyBuffer(wc, rio.Stdout(), *p); err != nil {
log.G(ctx).Warn("error copying stdout")
}
wg.Done()
wc.Close()
if rc != nil {
@ -153,7 +156,9 @@ func copyPipes(ctx context.Context, rio runc.IO, stdin, stdout, stderr string, w
cwg.Done()
p := bufPool.Get().(*[]byte)
defer bufPool.Put(p)
io.CopyBuffer(wc, rio.Stderr(), *p)
if _, err := io.CopyBuffer(wc, rio.Stderr(), *p); err != nil {
log.G(ctx).Warn("error copying stderr")
}
wg.Done()
wc.Close()
if rc != nil {