60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
package main
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import (
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"fmt"
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"github.com/hpcng/warewulf/internal/pkg/assets"
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"github.com/hpcng/warewulf/internal/pkg/config"
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"github.com/hpcng/warewulf/internal/pkg/util"
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"os"
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"os/exec"
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"path"
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"sync"
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"time"
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)
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func overlaySystem(node assets.NodeInfo, replace map[string]string, wg *sync.WaitGroup) {
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defer wg.Done()
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OverlayDir := fmt.Sprintf("%s/overlays/system/%s", config.LocalStateDir, node.SystemOverlay)
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OverlayFile := fmt.Sprintf("%s/provision/overlays/system/%s.img", config.LocalStateDir, node.Fqdn)
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destModTime := time.Time{}
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destMod, err := os.Stat(OverlayFile)
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if err == nil {
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destModTime = destMod.ModTime()
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}
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configMod, err := os.Stat(config.SysConfDir + "nodes.conf")
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if err != nil {
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fmt.Printf("ERROR: could not find node file: nodes.conf\n", config.SysConfDir)
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os.Exit(1)
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}
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configModTime := configMod.ModTime()
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sourceModTime, _ := util.DirModTime(OverlayDir)
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err = os.MkdirAll(path.Dir(OverlayFile), 0755)
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if err != nil {
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fmt.Printf("ERROR: %s\n", err)
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return
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}
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err = os.MkdirAll(OverlayDir, 0755)
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if err != nil {
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fmt.Printf("ERROR: %s\n", err)
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return
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}
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if sourceModTime.After(destModTime) || configModTime.After(destModTime) {
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fmt.Printf("SYSTEM: %s\n", node.Fqdn)
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overlayDest := "/tmp/.overlay-" + util.RandomString(16)
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BuildOverlayDir(OverlayDir, overlayDest, replace)
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cmd := fmt.Sprintf("cd %s && find . | cpio --quiet -o -H newc -F \"%s\"", overlayDest, OverlayFile)
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err = exec.Command("/bin/sh", "-c", cmd).Run()
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if err != nil {
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fmt.Printf("%s", err)
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}
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os.RemoveAll(overlayDest)
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}
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}
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