114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
package nodestatus
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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"sort"
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"strings"
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"time"
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"github.com/hpcng/warewulf/internal/pkg/warewulfconf"
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"github.com/hpcng/warewulf/internal/pkg/wwlog"
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"github.com/spf13/cobra"
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"golang.org/x/term"
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)
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type allStatus struct {
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Nodes map[string]*NodeStatus `json:"nodes"`
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}
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type NodeStatus struct {
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Stage string `json:"stage"`
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Sent string `json:"sent"`
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Ipaddr string `json:"ipaddr"`
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Lastseen int64 `json:"last seen"`
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}
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func CobraRunE(cmd *cobra.Command, args []string) error {
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controller, err := warewulfconf.New()
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if err != nil {
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wwlog.Printf(wwlog.ERROR, "%s\n", err)
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os.Exit(1)
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}
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if controller.Ipaddr == "" {
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wwlog.Printf(wwlog.ERROR, "The Warewulf Server IP Address is not properly configured\n")
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os.Exit(1)
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}
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statusURL := fmt.Sprintf("http://%s:%d/status", controller.Ipaddr, controller.Warewulf.Port)
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for {
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var elipsis bool
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var height int
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var count int
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rightnow := time.Now().Unix()
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wwlog.Printf(wwlog.VERBOSE, "Connecting to: %s\n", statusURL)
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resp, err := http.Get(statusURL)
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if err != nil {
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wwlog.Printf(wwlog.ERROR, "Could not connect to Warewulf server: %s\n", err)
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os.Exit(1)
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}
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defer resp.Body.Close()
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decoder := json.NewDecoder(resp.Body)
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var nodeStatus allStatus
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err = decoder.Decode(&nodeStatus)
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if err != nil {
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wwlog.Printf(wwlog.ERROR, "Could not decode JSON: %s\n", err)
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os.Exit(1)
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}
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if SetWatch {
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fmt.Print("\033[H\033[2J")
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_, height, err = term.GetSize(0)
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if err != nil {
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wwlog.Printf(wwlog.WARN, "Could not get terminal height, using 24\n")
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height = 24
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}
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}
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fmt.Printf("%-20s %-20s %-25s %-10s\n", "NODENAME", "STATUS", "SENT", "LASTSEEN (s)")
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fmt.Printf("%s\n", strings.Repeat("=", 80))
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keys := make([]string, 0, len(nodeStatus.Nodes))
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for k := range nodeStatus.Nodes {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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for _, id := range keys {
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if nodeStatus.Nodes[id].Lastseen > 0 {
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fmt.Printf("%-20s %-20s %-25s %-10d\n", id, nodeStatus.Nodes[id].Stage, nodeStatus.Nodes[id].Sent, rightnow-nodeStatus.Nodes[id].Lastseen)
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} else {
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fmt.Printf("%-20s %-20s %-25s %-10s\n", id, "--", "--", "--")
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}
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if count+4 >= height && SetWatch {
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if count+1 != len(keys) {
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elipsis = true
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}
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break
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}
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count++
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}
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if SetWatch {
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if elipsis {
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fmt.Printf("... ")
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}
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time.Sleep(time.Duration(SetUpdate) * time.Millisecond)
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} else {
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break
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}
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}
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return nil
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}
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