(cloudstack) branch 4.19 updated: CKS/calico: set arp_ignore and arp_announce to 0 in k8s controller/nodes (#9186)

[sureshanaparti]

This is an automated email from the ASF dual-hosted git repository.

sureshanaparti pushed a commit to branch 4.19
in repository https://gitbox.apache.org/repos/asf/cloudstack.git


The following commit(s) were added to refs/heads/4.19 by this push:
     new ae4b6d3b6c4 CKS/calico: set arp_ignore and arp_announce to 0 in k8s 
controller/nodes (#9186)
ae4b6d3b6c4 is described below

commit ae4b6d3b6c4125e136e97f6ac5a5dd6b41fcb6b0
Author: Wei Zhou <weiz...@apache.org>
AuthorDate: Wed Jun 26 08:48:50 2024 +0200

    CKS/calico: set arp_ignore and arp_announce to 0 in k8s controller/nodes 
(#9186)
---
 .../src/main/resources/conf/k8s-control-node-add.yml          | 11 +++++++++++
 .../src/main/resources/conf/k8s-control-node.yml              | 11 +++++++++++
 .../kubernetes-service/src/main/resources/conf/k8s-node.yml   | 11 +++++++++++
 3 files changed, 33 insertions(+)

diff --git 
a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node-add.yml
 
b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node-add.yml
index 2c18efa0189..429e2eff098 100644
--- 
a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node-add.yml
+++ 
b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node-add.yml
@@ -36,6 +36,17 @@ write_files:
       exit 0
       fi
 
+      sysctl net.ipv4.conf.default.arp_announce=0
+      sysctl net.ipv4.conf.default.arp_ignore=0
+      sysctl net.ipv4.conf.all.arp_announce=0
+      sysctl net.ipv4.conf.all.arp_ignore=0
+      sysctl net.ipv4.conf.eth0.arp_announce=0
+      sysctl net.ipv4.conf.eth0.arp_ignore=0
+      sed -i "s/net.ipv4.conf.default.arp_announce 
=.*$/net.ipv4.conf.default.arp_announce = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.default.arp_ignore 
=.*$/net.ipv4.conf.default.arp_ignore = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.all.arp_announce 
=.*$/net.ipv4.conf.all.arp_announce = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.all.arp_ignore =.*$/net.ipv4.conf.all.arp_ignore 
= 0/" /etc/sysctl.conf
+
       ISO_MOUNT_DIR=/mnt/k8sdisk
       BINARIES_DIR=${ISO_MOUNT_DIR}/
       K8S_CONFIG_SCRIPTS_COPY_DIR=/tmp/k8sconfigscripts/
diff --git 
a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node.yml
 
b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node.yml
index aa7eec97ac8..4bc2c2c6d3e 100644
--- 
a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node.yml
+++ 
b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node.yml
@@ -56,6 +56,17 @@ write_files:
       exit 0
       fi
 
+      sysctl net.ipv4.conf.default.arp_announce=0
+      sysctl net.ipv4.conf.default.arp_ignore=0
+      sysctl net.ipv4.conf.all.arp_announce=0
+      sysctl net.ipv4.conf.all.arp_ignore=0
+      sysctl net.ipv4.conf.eth0.arp_announce=0
+      sysctl net.ipv4.conf.eth0.arp_ignore=0
+      sed -i "s/net.ipv4.conf.default.arp_announce 
=.*$/net.ipv4.conf.default.arp_announce = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.default.arp_ignore 
=.*$/net.ipv4.conf.default.arp_ignore = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.all.arp_announce 
=.*$/net.ipv4.conf.all.arp_announce = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.all.arp_ignore =.*$/net.ipv4.conf.all.arp_ignore 
= 0/" /etc/sysctl.conf
+
       ISO_MOUNT_DIR=/mnt/k8sdisk
       BINARIES_DIR=${ISO_MOUNT_DIR}/
       K8S_CONFIG_SCRIPTS_COPY_DIR=/tmp/k8sconfigscripts/
diff --git 
a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-node.yml 
b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-node.yml
index de1f4c9ffc7..ad5bb9d19a6 100644
--- 
a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-node.yml
+++ 
b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-node.yml
@@ -36,6 +36,17 @@ write_files:
       exit 0
       fi
 
+      sysctl net.ipv4.conf.default.arp_announce=0
+      sysctl net.ipv4.conf.default.arp_ignore=0
+      sysctl net.ipv4.conf.all.arp_announce=0
+      sysctl net.ipv4.conf.all.arp_ignore=0
+      sysctl net.ipv4.conf.eth0.arp_announce=0
+      sysctl net.ipv4.conf.eth0.arp_ignore=0
+      sed -i "s/net.ipv4.conf.default.arp_announce 
=.*$/net.ipv4.conf.default.arp_announce = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.default.arp_ignore 
=.*$/net.ipv4.conf.default.arp_ignore = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.all.arp_announce 
=.*$/net.ipv4.conf.all.arp_announce = 0/" /etc/sysctl.conf
+      sed -i "s/net.ipv4.conf.all.arp_ignore =.*$/net.ipv4.conf.all.arp_ignore 
= 0/" /etc/sysctl.conf
+
       ISO_MOUNT_DIR=/mnt/k8sdisk
       BINARIES_DIR=${ISO_MOUNT_DIR}/
       K8S_CONFIG_SCRIPTS_COPY_DIR=/tmp/k8sconfigscripts/