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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2021-06-21 07:06:34 -0400
committerGitHub <noreply@github.com>2021-06-21 07:06:34 -0400
commit18bf92f7ea2fcebb0b3403432ee703ced0f923c0 (patch)
tree0b3c0d162a24a0bb167884532e3d22d9a090127e /libpod
parent9ec4d04592a7a7a833e4eefbe14e77af2da1f92d (diff)
parent0fb165ed087c8ffc0ad01efab206c98bd27960f7 (diff)
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Merge pull request #10734 from mgoltzsche/fix-dns-detection
Fix systemd-resolved detection.
Diffstat (limited to 'libpod')
-rw-r--r--libpod/container_internal_linux.go8
1 files changed, 6 insertions, 2 deletions
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index c127cd3e6..25db3cff0 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -1661,9 +1661,13 @@ func (c *Container) generateResolvConf() (string, error) {
// check if systemd-resolved is used, assume it is used when 127.0.0.53 is the only nameserver
if len(ns) == 1 && ns[0] == "127.0.0.53" {
// read the actual resolv.conf file for systemd-resolved
- contents, err = ioutil.ReadFile("/run/systemd/resolve/resolv.conf")
+ resolvedContents, err := ioutil.ReadFile("/run/systemd/resolve/resolv.conf")
if err != nil {
- return "", errors.Wrapf(err, "detected that systemd-resolved is in use, but could not locate real resolv.conf")
+ if !os.IsNotExist(err) {
+ return "", errors.Wrapf(err, "detected that systemd-resolved is in use, but could not locate real resolv.conf")
+ }
+ } else {
+ contents = resolvedContents
}
}