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plugins/ipam: round robin ip allocation for host-local ipam

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This changes the ip allocation logic to round robin. Before this, host-local IPAM searched for available IPs from start of subnet. Hence it tends to allocate IPs that had been used recently. This is not ideal since it may cause collisions.
This commit is contained in:
Minhan Xia
2016-06-02 11:37:05 -07:00
committed by Stefan Junker
parent 5c3c171642
commit 2445a960a9
8 changed files with 296 additions and 4 deletions
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2
test
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@ -11,7 +11,7 @@ set -e
source ./build
TESTABLE="plugins/ipam/dhcp plugins/main/loopback pkg/invoke pkg/ns pkg/skel pkg/types pkg/utils plugins/main/ipvlan plugins/main/macvlan plugins/main/bridge"
TESTABLE="plugins/ipam/dhcp plugins/ipam/host-local plugins/main/loopback pkg/invoke pkg/ns pkg/skel pkg/types pkg/utils plugins/main/ipvlan plugins/main/macvlan plugins/main/bridge"
FORMATTABLE="$TESTABLE libcni pkg/ip pkg/ipam pkg/testutils plugins/ipam/host-local plugins/main/bridge plugins/meta/flannel plugins/meta/tuning"
# user has not provided PKG override