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[18.03] Possible race on ingress programming #2181

Merged
merged 1 commit into from
Jun 8, 2018
Merged

[18.03] Possible race on ingress programming #2181

merged 1 commit into from
Jun 8, 2018

Commits on Jun 8, 2018

  1. Possible race on ingress programming 

    Make sure that iptables operations on ingress
are serialized.
Before 2 racing routines trying to create the ingress chain
were allowed and one was failing reporting the chain as
already existing.
The lock guarantees that this condition does not happen anymore

Signed-off-by: Flavio Crisciani <flavio.crisciani@docker.com>
(cherry picked from commit 7bb62d0)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
    @thaJeztah
    Flavio Crisciani authored and thaJeztah committed Jun 8, 2018
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