Merge "Disable conntrack for TCP flows in the amphora" into stable/victoria
This commit is contained in:
commit
994e6df244
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@ -36,10 +36,19 @@ if [ "$1" == "add" ]; then
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nft add table ip octavia-ipv4
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nft add chain ip octavia-ipv4 ip-udp-masq { type nat hook postrouting priority 100\;}
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nft add rule ip octavia-ipv4 ip-udp-masq oifname "$3" meta l4proto udp masquerade
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nft add chain ip octavia-ipv4 prerouting { type filter hook prerouting priority -300 \; }
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nft add rule ip octavia-ipv4 prerouting iifname "$3" meta l4proto tcp notrack
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nft add chain ip octavia-ipv4 output { type filter hook output priority -300 \; }
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nft add rule ip octavia-ipv4 output oifname "$3" meta l4proto tcp notrack
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elif [ "$2" == "ipv6" ]; then
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nft add table ip6 octavia-ipv6
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nft add chain ip6 octavia-ipv6 ip6-udp-masq { type nat hook postrouting priority 100\;}
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nft add rule ip6 octavia-ipv6 ip6-udp-masq oifname "$3" meta l4proto udp masquerade
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nft add chain ip6 octavia-ipv6 prerouting { type filter hook prerouting priority -300 \; }
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nft add rule ip6 octavia-ipv6 prerouting iifname "$3" meta l4proto tcp notrack
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nft add chain ip6 octavia-ipv6 output { type filter hook output priority -300 \; }
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nft add rule ip6 octavia-ipv6 output oifname "$3" meta l4proto tcp notrack
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else
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usage
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fi
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@ -47,8 +56,14 @@ if [ "$1" == "add" ]; then
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else # nft not found, fall back to iptables
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if [ "$2" == "ipv4" ]; then
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/sbin/iptables -t nat -A POSTROUTING -p udp -o $3 -j MASQUERADE
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/sbin/iptables -t raw -A PREROUTING -p tcp -i $3 -j NOTRACK
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/sbin/iptables -t raw -A OUTPUT -p tcp -o $3 -j NOTRACK
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elif [ "$2" == "ipv6" ]; then
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/sbin/ip6tables -t nat -A POSTROUTING -p udp -o $3 -j MASQUERADE
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/sbin/ip6tables -t raw -A PREROUTING -p tcp -i $3 -j NOTRACK
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/sbin/ip6tables -t raw -A OUTPUT -p tcp -o $3 -j NOTRACK
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else
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usage
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fi
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@ -60,9 +75,17 @@ elif [ "$1" == "delete" ]; then
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if [ "$2" == "ipv4" ]; then
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nft flush chain ip octavia-ipv4 ip-udp-masq
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nft delete chain ip octavia-ipv4 ip-udp-masq
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nft flush chain ip octavia-ipv4 prerouting
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nft delete chain ip octavia-ipv4 prerouting
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nft flush chain ip octavia-ipv4 output
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nft delete chain ip octavia-ipv4 output
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elif [ "$2" == "ipv6" ]; then
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nft flush chain ip6 octavia-ipv6 ip-udp-masq
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nft delete chain ip6 octavia-ipv6 ip-udp-masq
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nft flush chain ip6 octavia-ipv6 prerouting
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nft delete chain ip6 octavia-ipv6 prerouting
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nft flush chain ip6 octavia-ipv6 output
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nft delete chain ip6 octavia-ipv6 output
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else
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usage
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fi
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@ -70,8 +93,12 @@ elif [ "$1" == "delete" ]; then
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else # nft not found, fall back to iptables
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if [ "$2" == "ipv4" ]; then
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/sbin/iptables -t nat -D POSTROUTING -p udp -o $3 -j MASQUERADE
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/sbin/iptables -t raw -D PREROUTING -p tcp -i $3 -j NOTRACK
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/sbin/iptables -t raw -D OUTPUT -p tcp -o $3 -j NOTRACK
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elif [ "$2" == "ipv6" ]; then
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/sbin/ip6tables -t nat -D POSTROUTING -p udp -o $3 -j MASQUERADE
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/sbin/ip6tables -t raw -D PREROUTING -p tcp -i $3 -j NOTRACK
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/sbin/ip6tables -t raw -D OUTPUT -p tcp -o $3 -j NOTRACK
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else
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usage
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fi
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@ -0,0 +1,6 @@
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---
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fixes:
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- |
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Disable conntrack for TCP flows in the Amphora, it reduces memory usage for
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HAProxy-based listeners and prevents some kernel warnings about dropped
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packets.
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