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a4e773bd91
by masqurading the traffic so the return traffic from the pod hits the node before going to the client
25 lines
701 B
Go
25 lines
701 B
Go
package utils
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import (
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"fmt"
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"github.com/containernetworking/cni/libcni"
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"github.com/containernetworking/cni/plugins/ipam/host-local/backend/allocator"
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)
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func GetPodCidrDetails(cniConfFilePath string) (string, int, error) {
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netconfig, err := libcni.ConfFromFile(cniConfFilePath)
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if err != nil {
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return "", 0, fmt.Errorf("Failed to load CNI conf: %s", err.Error())
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}
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var ipamConfig *allocator.IPAMConfig
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ipamConfig, _, err = allocator.LoadIPAMConfig(netconfig.Bytes, "")
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if err != nil {
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return "", 0, fmt.Errorf("Failed to get IPAM details from the CNI conf file: %s", err.Error())
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}
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cidrlen, _ := ipamConfig.Subnet.Mask.Size()
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return ipamConfig.Subnet.IP.String(), cidrlen, nil
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}
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