Files
QUptime/internal/cli/status.go
T

121 lines
3.1 KiB
Go

package cli
import (
"context"
"encoding/json"
"fmt"
"strings"
"text/tabwriter"
"time"
"github.com/spf13/cobra"
"git.cer.sh/axodouble/quptime/internal/daemon"
"git.cer.sh/axodouble/quptime/internal/transport"
)
func addStatusCmd(root *cobra.Command) {
cmd := &cobra.Command{
Use: "status",
Short: "Print quorum, master, and check state",
RunE: func(cmd *cobra.Command, args []string) error {
ctx, cancel := context.WithTimeout(cmd.Context(), 10*time.Second)
defer cancel()
return runStatusPrint(ctx, cmd, false)
},
}
root.AddCommand(cmd)
}
// runStatusPrint fetches /status from the daemon and prints either
// the peer view or the full view depending on peersOnly.
func runStatusPrint(ctx context.Context, cmd *cobra.Command, peersOnly bool) error {
raw, err := callDaemon(ctx, daemon.CtrlStatus, nil)
if err != nil {
return err
}
var st transport.StatusResponse
if err := json.Unmarshal(raw, &st); err != nil {
return err
}
out := cmd.OutOrStdout()
fmt.Fprintf(out, "node %s\n", st.NodeID)
fmt.Fprintf(out, "term %d\n", st.Term)
fmt.Fprintf(out, "master %s\n", masterOrNone(st.MasterID))
fmt.Fprintf(out, "quorum %v (need %d)\n", st.HasQuorum, st.QuorumSize)
fmt.Fprintf(out, "config ver %d\n", st.Version)
fmt.Fprintln(out)
fmt.Fprintln(out, "PEERS")
tw := tabwriter.NewWriter(out, 0, 0, 2, ' ', 0)
fmt.Fprintln(tw, "\tNODE_ID\tADVERTISE\tLIVE\tLAST_SEEN")
for _, p := range st.Peers {
lastSeen := "-"
if !p.LastSeen.IsZero() {
lastSeen = p.LastSeen.Format(time.RFC3339)
}
marker := " "
if p.NodeID == st.NodeID {
marker = "*"
}
fmt.Fprintf(tw, "%s\t%s\t%s\t%v\t%s\n", marker, p.NodeID, p.Advertise, p.Live, lastSeen)
}
tw.Flush()
fmt.Fprintln(out, "(* = this node)")
if peersOnly {
return nil
}
fmt.Fprintln(out)
fmt.Fprintln(out, "CHECKS")
tw2 := tabwriter.NewWriter(out, 0, 0, 2, ' ', 0)
fmt.Fprintln(tw2, "ID\tNAME\tSTATE\tOK/TOTAL\tALERTS\tDETAIL")
for _, c := range st.Checks {
fmt.Fprintf(tw2, "%s\t%s\t%s\t%d/%d\t%s\t%s\n",
c.CheckID, c.Name, c.State, c.OKCount, c.Total,
alertsCol(c.Alerts), c.Detail)
}
if err := tw2.Flush(); err != nil {
return err
}
fmt.Fprintln(out, "(alerts marked * are attached as defaults)")
return nil
}
func alertsCol(names []string) string {
if len(names) == 0 {
return "-"
}
return strings.Join(names, ",")
}
// runStatusPrintChecks renders only the checks block (used by
// `qu check list`).
func runStatusPrintChecks(ctx context.Context, cmd *cobra.Command) error {
raw, err := callDaemon(ctx, daemon.CtrlStatus, nil)
if err != nil {
return err
}
var st transport.StatusResponse
if err := json.Unmarshal(raw, &st); err != nil {
return err
}
out := cmd.OutOrStdout()
tw := tabwriter.NewWriter(out, 0, 0, 2, ' ', 0)
fmt.Fprintln(tw, "ID\tNAME\tSTATE\tOK/TOTAL\tALERTS\tDETAIL")
for _, c := range st.Checks {
fmt.Fprintf(tw, "%s\t%s\t%s\t%d/%d\t%s\t%s\n",
c.CheckID, c.Name, c.State, c.OKCount, c.Total,
alertsCol(c.Alerts), c.Detail)
}
return tw.Flush()
}
func masterOrNone(id string) string {
if id == "" {
return "(none — no quorum or election in progress)"
}
return id
}