Merge pull request #26891 from winterqt/push-ozksmwkumrrs

fix(libpod): truncate long hostnames to correct maximum length
This commit is contained in:
openshift-merge-bot[bot]
2025-08-28 12:55:27 +00:00
committed by GitHub
2 changed files with 6 additions and 6 deletions

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@ -741,14 +741,14 @@ func (c *Container) hostname(network bool) string {
// containers.conf, use a sanitized version of the container's name
// as the hostname. Since the container name must already match
// the set '[a-zA-Z0-9][a-zA-Z0-9_.-]*', we can just remove any
// underscores and limit it to 253 characters to make it a valid
// underscores and limit it to 64 characters to make it a valid
// hostname.
if c.runtime.config.Containers.ContainerNameAsHostName {
sanitizedHostname := strings.ReplaceAll(c.Name(), "_", "")
if len(sanitizedHostname) <= 253 {
if len(sanitizedHostname) <= 64 {
return sanitizedHostname
}
return sanitizedHostname[:253]
return sanitizedHostname[:64]
}
// Otherwise use the container's short ID as the hostname.