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docker-ce: fix docker info warning

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If we execute `docker info` we get the following warning:

WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled

To fix this enable this in sysctl if docker is installed.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
This commit is contained in:
Florian Eckert 2020-04-14 15:09:33 +02:00 committed by Florian Eckert
parent 03162ee920
commit 87ba072dce
2 changed files with 13 additions and 1 deletions
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7
utils/docker-ce/Makefile
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@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=docker-ce
PKG_VERSION:=19.03.8
PKG_RELEASE:=2
PKG_RELEASE:=3
PKG_LICENSE:=Apache-2.0
PKG_LICENSE_FILES:=components/cli/LICENSE components/engine/LICENSE
@ -113,6 +113,11 @@ define Package/docker-ce/install
$(INSTALL_DIR) $(1)/etc/docker
$(INSTALL_CONF) ./files/daemon.json $(1)/etc/docker/
# Must be after systcl 11-br-netfilter.conf from kmod-br-netfilter
$(INSTALL_DIR) $(1)/etc/sysctl.d
$(INSTALL_DATA) ./files/etc/sysctl.d/sysctl-br-netfilter-ip.conf \
$(1)/etc/sysctl.d/12-br-netfilter-ip.conf
endef
$(eval $(call BuildPackage,docker-ce))

7
utils/docker-ce/files/etc/sysctl.d/sysctl-br-netfilter-ip.conf Normal file
View file

@ -0,0 +1,7 @@
# Do not edit, changes to this file will be lost on upgrades
# /etc/sysctl.conf can be used to customize sysctl settings
# enable bridge firewalling for docker
net.bridge.bridge-nf-call-ip6tables=1
net.bridge.bridge-nf-call-iptables=1