138 lines
3.2 KiB
Go
138 lines
3.2 KiB
Go
package views
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import (
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"strings"
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"time"
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"github.com/derailed/k9s/internal/config"
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"github.com/derailed/k9s/internal/k8s"
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"github.com/derailed/k9s/internal/resource"
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"github.com/derailed/k9s/internal/watch"
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"github.com/derailed/tview"
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"github.com/gdamore/tcell"
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"github.com/rs/zerolog/log"
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)
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type clusterInfoView struct {
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*tview.Table
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app *appView
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mxs resource.MetricsServer
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}
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// ClusterInfo tracks Kubernetes cluster and K9s information.
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type ClusterInfo interface {
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ContextName() string
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ClusterName() string
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UserName() string
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K9sVersion() string
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K8sVersion() string
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CurrentCPU() float64
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CurrentMEM() float64
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}
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func newClusterInfoView(app *appView, mx resource.MetricsServer) *clusterInfoView {
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return &clusterInfoView{
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app: app,
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Table: tview.NewTable(),
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mxs: mx,
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}
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}
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func (v *clusterInfoView) init() {
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cluster := resource.NewCluster(v.app.conn(), &log.Logger, v.mxs)
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var row int
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v.SetCell(row, 0, v.sectionCell("Context"))
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v.SetCell(row, 1, v.infoCell(cluster.ContextName()))
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row++
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v.SetCell(row, 0, v.sectionCell("Cluster"))
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v.SetCell(row, 1, v.infoCell(cluster.ClusterName()))
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row++
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v.SetCell(row, 0, v.sectionCell("User"))
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v.SetCell(row, 1, v.infoCell(cluster.UserName()))
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row++
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v.SetCell(row, 0, v.sectionCell("K9s Rev"))
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v.SetCell(row, 1, v.infoCell(v.app.version))
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row++
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rev := cluster.Version()
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v.SetCell(row, 0, v.sectionCell("K8s Rev"))
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v.SetCell(row, 1, v.infoCell(rev))
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row++
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v.SetCell(row, 0, v.sectionCell("CPU"))
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v.SetCell(row, 1, v.infoCell(resource.NAValue))
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v.SetCell(row+1, 0, v.sectionCell("MEM"))
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v.SetCell(row+1, 1, v.infoCell(resource.NAValue))
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v.refresh()
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}
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func (v *clusterInfoView) sectionCell(t string) *tview.TableCell {
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c := tview.NewTableCell(t + ":")
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c.SetAlign(tview.AlignLeft)
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var s tcell.Style
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c.SetStyle(s.Bold(true).Foreground(config.AsColor(v.app.styles.Style.Info.SectionColor)))
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c.SetBackgroundColor(v.app.styles.BgColor())
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return c
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}
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func (v *clusterInfoView) infoCell(t string) *tview.TableCell {
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c := tview.NewTableCell(t)
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c.SetExpansion(2)
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c.SetTextColor(config.AsColor(v.app.styles.Style.Info.FgColor))
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c.SetBackgroundColor(v.app.styles.BgColor())
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return c
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}
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func (v *clusterInfoView) refresh() {
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defer func(t time.Time) {
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log.Debug().Msgf("Cluster Refresh %v", time.Since(t))
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}(time.Now())
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cluster := resource.NewCluster(v.app.conn(), &log.Logger, v.mxs)
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var row int
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v.GetCell(row, 1).SetText(cluster.ContextName())
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row++
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v.GetCell(row, 1).SetText(cluster.ClusterName())
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row++
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v.GetCell(row, 1).SetText(cluster.UserName())
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row += 2
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v.GetCell(row, 1).SetText(cluster.Version())
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row++
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nos, err := v.app.informer.List(watch.NodeIndex, "")
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if err != nil {
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log.Warn().Err(err).Msg("List nodes")
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return
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}
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nmx, err := v.app.informer.List(watch.NodeMXIndex, "")
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if err != nil {
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log.Warn().Err(err).Msg("List node metrics")
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return
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}
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var cmx k8s.ClusterMetrics
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cluster.Metrics(nos, nmx, &cmx)
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c := v.GetCell(row, 1)
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cpu := resource.AsPerc(cmx.PercCPU)
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c.SetText(cpu + deltas(strip(c.Text), cpu))
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row++
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c = v.GetCell(row, 1)
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mem := resource.AsPerc(cmx.PercMEM)
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c.SetText(mem + deltas(strip(c.Text), mem))
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}
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func strip(s string) string {
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t := strings.Replace(s, plus(), "", 1)
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t = strings.Replace(t, minus(), "", 1)
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return t
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}
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