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runtime: Naming conflict of network devices

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When creating a new endpoint, we check existing endpoint names and automatically adjust the naming of the new endpoint to ensure uniqueness.

Fixes: #7876

Signed-off-by: shixuanqing <1356292400@qq.com>
This commit is contained in:
shixuanqing 2023-09-12 04:29:51 +00:00
parent e1f54f96d0
commit ca4b6b051d
1 changed files with 18 additions and 0 deletions
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18
src/runtime/virtcontainers/network_linux.go
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@ -12,8 +12,10 @@ import (
"net"
"os"
"os/exec"
"regexp"
"runtime"
"sort"
"strconv"
"time"
"github.com/containernetworking/plugins/pkg/ns"
@ -128,6 +130,22 @@ func (n *LinuxNetwork) addSingleEndpoint(ctx context.Context, s *Sandbox, netInf
var socketPath string
idx := len(n.eps)
// Avoid endpoint naming conflicts
// When creating a new endpoint, we check existing endpoint names and automatically adjust the naming of the new endpoint to ensure uniqueness.
lastIdx := -1
if len(n.eps) > 0 {
lastEndpoint := n.eps[len(n.eps)-1]
re := regexp.MustCompile("[0-9]+")
matchStr := re.FindString(lastEndpoint.Name())
n, err := strconv.ParseInt(matchStr, 10, 64)
if err != nil {
return nil, err
}
lastIdx = int(n)
}
if idx <= lastIdx {
idx = lastIdx + 1
}
// Check if this is a dummy interface which has a vhost-user socket associated with it
socketPath, err = vhostUserSocketPath(netInfo)
if err != nil {