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service: hostname: update /etc/hosts

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This commit is contained in:
scpcom
2025-10-22 21:35:07 +02:00
parent 815770fabf
commit 42c332a406
1 changed files with 24 additions and 0 deletions
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24
server/service/vm/hostname.go
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@@ -14,6 +14,7 @@ import (
const (
BootHostnameFile = "/boot/hostname"
EtcHostname = "/etc/hostname"
EtcHosts = "/etc/hosts"
)
func (s *Service) SetHostname(c *gin.Context) {
@@ -25,6 +26,29 @@ func (s *Service) SetHostname(c *gin.Context) {
return
}
dataRead, err := os.ReadFile(EtcHostname)
if err != nil {
rsp.ErrRsp(c, -1, "read Hostname failed")
return
}
oldHostname := strings.Replace(string(dataRead), "\n", "", -1)
if (oldHostname != req.Hostname) {
dataRead, err = os.ReadFile(EtcHosts)
if err != nil {
rsp.ErrRsp(c, -1, "read Hosts failed")
return
}
data := []byte(strings.Replace(string(dataRead), oldHostname, req.Hostname, -1))
if err := os.WriteFile(EtcHosts, data, 0o644); err != nil {
rsp.ErrRsp(c, -2, "failed to write data")
return
}
}
data := []byte(fmt.Sprintf("%s", req.Hostname))
if err := os.WriteFile(BootHostnameFile, data, 0o644); err != nil {