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Bump ip-masq-agent version to v2.3.0. Enable nomasq for reserved IPs.
Added the non-masq ranges to configure-helper.sh so that GCE clusters will have the non-masq IP ranges aligned with GKE clusters.
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@ -8,7 +8,7 @@ metadata:
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kubernetes.io/cluster-service: "true"
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addonmanager.kubernetes.io/mode: Reconcile
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---
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# https://github.com/kubernetes-incubator/ip-masq-agent/blob/v2.0.0/README.md
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# https://github.com/kubernetes-incubator/ip-masq-agent/blob/v2.3.0/README.md
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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@ -32,9 +32,10 @@ spec:
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hostNetwork: true
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containers:
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- name: ip-masq-agent
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image: k8s.gcr.io/ip-masq-agent-amd64:v2.2.1
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image: k8s.gcr.io/ip-masq-agent-amd64:v2.3.0
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args:
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- --masq-chain=IP-MASQ
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- --nomasq-all-reserved-ranges
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resources:
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requests:
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cpu: 10m
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@ -98,9 +98,16 @@ function config-ip-firewall {
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iptables -w -t nat -N IP-MASQ
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iptables -w -t nat -A POSTROUTING -m comment --comment "ip-masq: ensure nat POSTROUTING directs all non-LOCAL destination traffic to our custom IP-MASQ chain" -m addrtype ! --dst-type LOCAL -j IP-MASQ
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iptables -w -t nat -A IP-MASQ -d 169.254.0.0/16 -m comment --comment "ip-masq: local traffic is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 10.0.0.0/8 -m comment --comment "ip-masq: local traffic is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 172.16.0.0/12 -m comment --comment "ip-masq: local traffic is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 192.168.0.0/16 -m comment --comment "ip-masq: local traffic is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 10.0.0.0/8 -m comment --comment "ip-masq: RFC 1918 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 172.16.0.0/12 -m comment --comment "ip-masq: RFC 1918 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 192.168.0.0/16 -m comment --comment "ip-masq: RFC 1918 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 100.64.0.0/10 -m comment --comment "ip-masq: RFC 6598 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 192.0.0.0/24 -m comment --comment "ip-masq: RFC 6890 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 192.0.2.0/24 -m comment --comment "ip-masq: RFC 5737 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 192.88.99.0/24 -m comment --comment "ip-masq: RFC 7526 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 198.18.0.0/15 -m comment --comment "ip-masq: RFC 2544 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 203.0.113.0/24 -m comment --comment "ip-masq: RFC 5737 reserved range is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -d 240.0.0.0/4 -m comment --comment "ip-masq: Former Class E range obsoleted by RFC 3232 is not subject to MASQUERADE" -j RETURN
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iptables -w -t nat -A IP-MASQ -m comment --comment "ip-masq: outbound traffic is subject to MASQUERADE (must be last in chain)" -j MASQUERADE
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fi
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