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Check if user has a correct cluster-cidr and service-cidr config 

Signed-off-by: Manuel Buil <mbuil@suse.com>
pull/5492/head
Manuel Buil 2022-04-22 16:04:22 +02:00
parent ce5b9347c9
commit 314e3f56dc
1 changed files with 11 additions and 2 deletions
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13
pkg/agent/run.go
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@ -2,6 +2,7 @@ package agent
import (
"context"
"fmt"
"net"
"os"
"path/filepath"
@ -64,11 +65,19 @@ func run(ctx context.Context, cfg cmds.Agent, proxy proxy.Proxy) error {
}
serviceIPv4 := utilsnet.IsIPv4CIDR(nodeConfig.AgentConfig.ServiceCIDR)
clusterIPv4 := utilsnet.IsIPv4CIDR(nodeConfig.AgentConfig.ClusterCIDR)
nodeIPv4 := utilsnet.IsIPv4String(nodeConfig.AgentConfig.NodeIP)
serviceIPv6 := utilsnet.IsIPv6CIDR(nodeConfig.AgentConfig.ServiceCIDR)
clusterIPv6 := utilsnet.IsIPv6CIDR(nodeConfig.AgentConfig.ClusterCIDR)
nodeIPv6 := utilsnet.IsIPv6String(nodeConfig.AgentConfig.NodeIP)
if (serviceIPv6 != clusterIPv6) || (dualCluster != dualService) || (serviceIPv4 != clusterIPv4) {
return fmt.Errorf("cluster-cidr: %v and service-cidr: %v, must share the same IP version (IPv4, IPv6 or dual-stack)", nodeConfig.AgentConfig.ClusterCIDRs, nodeConfig.AgentConfig.ServiceCIDRs)
}
if (clusterIPv6 != nodeIPv6) || (dualCluster != dualNode) || (clusterIPv4 != nodeIPv4) {
return fmt.Errorf("cluster-cidr: %v and node-ip: %v, must share the same IP version (IPv4, IPv6 or dual-stack)", nodeConfig.AgentConfig.ClusterCIDRs, nodeConfig.AgentConfig.NodeIPs)
}
enableIPv6 := dualCluster || clusterIPv6
enableIPv4 := dualCluster || clusterIPv4
enableIPv4 := dualCluster || dualService || dualNode || serviceIPv4 || clusterIPv4
enableIPv6 := dualCluster || dualService || dualNode || serviceIPv6 || clusterIPv6
conntrackConfig, err := getConntrackConfig(nodeConfig)
if err != nil {
return errors.Wrap(err, "failed to validate kube-proxy conntrack configuration")