lerko
50f77da131
Replace inline numeric literals with named constants across 14 files: server timeouts/rate limits, cluster thresholds/intervals, DB pool sizes, alert/dial timeouts, TUI uptime thresholds, node status thresholds, and state history limits.
96 lines
2.1 KiB
Go
96 lines
2.1 KiB
Go
package tui
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import (
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"fmt"
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"strings"
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"time"
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)
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func (m Model) viewNodesTab() string {
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if len(m.nodes) == 0 {
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return m.emptyState("No probe nodes connected.", "")
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}
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var headers []string
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var widths []int
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if m.isWide() {
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headers = []string{"NAME", "REGION", "LAST SEEN", "VERSION", "STATUS"}
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widths = []int{24, 14, 16, 12, 10}
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} else {
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headers = []string{"NAME", "REGION", "SEEN", "VER", "STATUS"}
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widths = []int{16, 10, 10, 8, 8}
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}
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nameW := widths[0]
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tbl := m.renderTable(
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headers,
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len(m.nodes),
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func(start, end int) [][]string {
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var rows [][]string
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for i := start; i < end; i++ {
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node := m.nodes[i]
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name := limitStr(node.Name, nameW-2)
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if name == "" {
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name = node.ID
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}
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region := node.Region
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if region == "" {
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region = m.st.subtleStyle.Render("—")
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}
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lastSeen := m.fmtNodeLastSeen(node.LastSeen)
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version := node.Version
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if version == "" {
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version = m.st.subtleStyle.Render("—")
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}
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status := m.fmtNodeStatus(node.LastSeen)
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rows = append(rows, []string{name, region, lastSeen, version, status})
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}
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return rows
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},
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widths,
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nil,
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)
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var online int
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regions := make(map[string]bool)
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var leader string
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for _, n := range m.nodes {
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if time.Since(n.LastSeen) < nodeOnlineThreshold {
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online++
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}
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if n.Region != "" {
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regions[n.Region] = true
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}
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if n.Name == "leader" {
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leader = n.ID
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}
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}
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parts := []string{fmt.Sprintf("%d/%d online", online, len(m.nodes))}
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if leader != "" {
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parts = append(parts, fmt.Sprintf("leader: %s", leader))
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}
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if len(regions) > 0 {
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parts = append(parts, fmt.Sprintf("%d regions", len(regions)))
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}
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return tbl + "\n " + m.st.subtleStyle.Render(strings.Join(parts, " · "))
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}
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func (m Model) fmtNodeStatus(lastSeen time.Time) string {
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if lastSeen.IsZero() {
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return m.st.subtleStyle.Render("UNKNOWN")
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}
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ago := time.Since(lastSeen)
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if ago < nodeOnlineThreshold {
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return m.st.specialStyle.Render("ONLINE")
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}
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if ago < nodeStaleThreshold {
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return m.st.warnStyle.Render("STALE")
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}
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return m.st.dangerStyle.Render("OFFLINE")
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}
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func (m Model) fmtNodeLastSeen(t time.Time) string {
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return m.fmtTimeAgo(t)
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}
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