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feat: add incident management and maintenance windows

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Maintenance windows suppress alerts during planned downtime while checks
continue running. Incidents provide informational tracking. Supports
targeting all monitors, single monitor, or group (applies to children).

New Maint tab in TUI with create/end/delete. Status page, JSON API, and
Prometheus metrics all reflect maintenance state.
This commit is contained in:
Tyler Koenig
2026-05-22 18:45:02 -04:00
parent 5de834465f
commit b146f34d19
12 changed files with 568 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internal/tui/tui.go
+97 -20
View File
@@ -42,6 +42,7 @@ const (
stateFormAlert
stateFormUser
stateConfirmDelete
stateFormMaint
)
type Model struct {
@@ -59,6 +60,7 @@ type Model struct {
siteFormData *siteFormData
alertFormData *alertFormData
userFormData *userFormData
maintFormData *maintFormData
logViewport viewport.Model
isAdmin bool
@@ -78,10 +80,11 @@ type Model struct {
pulseVel float64
tickCount int
sites []models.Site
alerts []models.AlertConfig
users []models.User
nodes []models.ProbeNode
sites []models.Site
alerts []models.AlertConfig
users []models.User
nodes []models.ProbeNode
maintenanceWindows []models.MaintenanceWindow
filterMode bool
filterText string
@@ -128,7 +131,12 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.engine.AddLog("Delete alert failed: " + err.Error())
}
m.adjustCursor(len(m.alerts) - 1)
case 3:
case 4:
if err := m.store.DeleteMaintenanceWindow(m.deleteID); err != nil {
m.engine.AddLog("Delete maintenance window failed: " + err.Error())
}
m.adjustCursor(len(m.maintenanceWindows) - 1)
case 5:
if err := m.store.DeleteUser(m.deleteID); err != nil {
m.engine.AddLog("Delete user failed: " + err.Error())
}
@@ -136,12 +144,12 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
}
m.refreshData()
m.state = stateDashboard
if m.deleteTab == 4 {
if m.deleteTab == 5 {
m.state = stateUsers
}
case "n", "N", "esc":
m.state = stateDashboard
if m.deleteTab == 4 {
if m.deleteTab == 5 {
m.state = stateUsers
}
case "ctrl+c":
@@ -152,7 +160,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
}
// Form state: forward ALL messages to huh (keys, timers, resize, etc.)
if m.state == stateFormSite || m.state == stateFormAlert || m.state == stateFormUser {
if m.state == stateFormSite || m.state == stateFormAlert || m.state == stateFormUser || m.state == stateFormMaint {
if keyMsg, ok := msg.(tea.KeyMsg); ok {
if keyMsg.String() == "ctrl+c" {
return m, tea.Quit
@@ -160,7 +168,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if keyMsg.String() == "esc" {
m.huhForm = nil
m.state = stateDashboard
if m.currentTab == 4 {
if m.currentTab == 5 {
m.state = stateUsers
}
return m, nil
@@ -226,6 +234,8 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
} else if m.currentTab == 3 {
listLen = len(m.nodes)
} else if m.currentTab == 4 {
listLen = len(m.maintenanceWindows)
} else if m.currentTab == 5 {
listLen = len(m.users)
}
if msg.Button == tea.MouseButtonWheelUp {
@@ -331,6 +341,9 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
max = len(m.nodes) - 1
}
if m.currentTab == 4 {
max = len(m.maintenanceWindows) - 1
}
if m.currentTab == 5 {
max = len(m.users) - 1
}
if m.cursor < max {
@@ -349,7 +362,10 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
} else if m.currentTab == 1 {
m.state = stateFormAlert
return m, m.initAlertHuhForm()
} else if m.currentTab == 4 && m.isAdmin {
} else if m.currentTab == 4 {
m.state = stateFormMaint
return m, m.initMaintHuhForm()
} else if m.currentTab == 5 && m.isAdmin {
m.state = stateFormUser
return m, m.initUserHuhForm()
}
@@ -363,7 +379,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.editID = m.alerts[m.cursor].ID
m.state = stateFormAlert
return m, m.initAlertHuhForm()
} else if m.currentTab == 4 && m.isAdmin && len(m.users) > 0 {
} else if m.currentTab == 5 && m.isAdmin && len(m.users) > 0 {
m.editID = m.users[m.cursor].ID
m.state = stateFormUser
return m, m.initUserHuhForm()
@@ -386,6 +402,18 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if m.currentTab == 0 && len(m.sites) > 0 {
m.state = stateDetail
}
case "x":
if m.currentTab == 4 && len(m.maintenanceWindows) > 0 {
mw := m.maintenanceWindows[m.cursor]
now := time.Now()
isActive := !mw.StartTime.After(now) && (mw.EndTime.IsZero() || mw.EndTime.After(now))
if isActive {
if err := m.store.EndMaintenanceWindow(mw.ID); err != nil {
m.engine.AddLog("End maintenance failed: " + err.Error())
}
m.refreshData()
}
}
case "d", "backspace":
if m.currentTab == 0 && len(m.sites) > 0 {
m.deleteID = m.sites[m.cursor].ID
@@ -397,10 +425,15 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.deleteName = m.alerts[m.cursor].Name
m.deleteTab = 1
m.state = stateConfirmDelete
} else if m.currentTab == 4 && m.isAdmin && len(m.users) > 0 {
} else if m.currentTab == 4 && len(m.maintenanceWindows) > 0 {
m.deleteID = m.maintenanceWindows[m.cursor].ID
m.deleteName = m.maintenanceWindows[m.cursor].Title
m.deleteTab = 4
m.state = stateConfirmDelete
} else if m.currentTab == 5 && m.isAdmin && len(m.users) > 0 {
m.deleteID = m.users[m.cursor].ID
m.deleteName = m.users[m.cursor].Username
m.deleteTab = 4
m.deleteTab = 5
m.state = stateConfirmDelete
}
}
@@ -410,9 +443,9 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
}
func (m *Model) handleClick(msg tea.MouseMsg) (tea.Model, tea.Cmd) {
tabCount := 4
tabCount := 5
if m.isAdmin {
tabCount = 5
tabCount = 6
}
for i := 0; i < tabCount; i++ {
if m.zones.Get(fmt.Sprintf("tab-%d", i)).InBounds(msg) {
@@ -448,6 +481,19 @@ func (m *Model) handleClick(msg tea.MouseMsg) (tea.Model, tea.Cmd) {
}
if m.currentTab == 4 {
end := m.tableOffset + m.maxTableRows
if end > len(m.maintenanceWindows) {
end = len(m.maintenanceWindows)
}
for i := m.tableOffset; i < end; i++ {
if m.zones.Get(fmt.Sprintf("maint-%d", i)).InBounds(msg) {
m.cursor = i
return m, nil
}
}
}
if m.currentTab == 5 {
end := m.tableOffset + m.maxTableRows
if end > len(m.users) {
end = len(m.users)
@@ -464,9 +510,9 @@ func (m *Model) handleClick(msg tea.MouseMsg) (tea.Model, tea.Cmd) {
}
func (m *Model) switchTab(idx int) {
maxTabs := 3
maxTabs := 4
if m.isAdmin {
maxTabs = 4
maxTabs = 5
}
if idx > maxTabs {
idx = 0
@@ -477,7 +523,7 @@ func (m *Model) switchTab(idx int) {
switch idx {
case 2:
m.state = stateLogs
case 4:
case 5:
m.state = stateUsers
default:
m.state = stateDashboard
@@ -550,6 +596,9 @@ func (m *Model) refreshData() {
if nodes, err := m.store.GetAllNodes(); err == nil {
m.nodes = nodes
}
if windows, err := m.store.GetAllMaintenanceWindows(100); err == nil {
m.maintenanceWindows = windows
}
m.logViewport.SetContent(strings.Join(m.engine.GetLogs(), "\n"))
listLen := len(m.sites)
@@ -558,6 +607,8 @@ func (m *Model) refreshData() {
} else if m.currentTab == 3 {
listLen = len(m.nodes)
} else if m.currentTab == 4 {
listLen = len(m.maintenanceWindows)
} else if m.currentTab == 5 {
listLen = len(m.users)
}
if listLen > 0 && m.cursor >= listLen {
@@ -582,6 +633,10 @@ func (m *Model) submitForm() {
if m.userFormData != nil {
m.submitUserForm()
}
case stateFormMaint:
if m.maintFormData != nil {
m.submitMaintForm()
}
}
}
@@ -614,6 +669,8 @@ func (m Model) View() string {
if m.deleteTab == 1 {
kind = "alert"
} else if m.deleteTab == 4 {
kind = "maintenance window"
} else if m.deleteTab == 5 {
kind = "user"
}
msg := dangerStyle.Render(fmt.Sprintf("Delete %s \"%s\"?", kind, m.deleteName))
@@ -624,7 +681,7 @@ func (m Model) View() string {
Padding(1, 3).
Render(msg + "\n\n" + hint)
return lipgloss.NewStyle().Padding(2, 4).Render(box)
case stateFormSite, stateFormAlert, stateFormUser:
case stateFormSite, stateFormAlert, stateFormUser, stateFormMaint:
if m.huhForm != nil {
title := ""
switch m.state {
@@ -643,6 +700,8 @@ func (m Model) View() string {
if m.editID > 0 {
title = fmt.Sprintf("Edit User #%d", m.editID)
}
case stateFormMaint:
title = "New Maintenance Window"
}
header := titleStyle.Render(title)
footer := subtleStyle.Render("\n[Esc] Cancel")
@@ -687,7 +746,21 @@ func (m Model) viewDashboard() string {
nodesLabel = "Nodes"
}
tabs := []string{sitesLabel, "Alerts", "Logs", nodesLabel}
activeMaint := 0
for _, mw := range m.maintenanceWindows {
now := time.Now()
if !mw.StartTime.After(now) && (mw.EndTime.IsZero() || mw.EndTime.After(now)) {
activeMaint++
}
}
var maintLabel string
if activeMaint > 0 {
maintLabel = fmt.Sprintf("Maint (%d)", activeMaint)
} else {
maintLabel = "Maint"
}
tabs := []string{sitesLabel, "Alerts", "Logs", nodesLabel, maintLabel}
if m.isAdmin {
tabs = append(tabs, "Users")
}
@@ -717,6 +790,8 @@ func (m Model) viewDashboard() string {
case 3:
content = m.viewNodesTab()
case 4:
content = m.viewMaintTab()
case 5:
if m.isAdmin {
content = m.viewUsersTab()
}
@@ -751,6 +826,8 @@ func (m Model) viewDashboard() string {
case 0:
keys = "[/]Filter [n]New [e]Edit [i]Info [d]Del [p]Pause [Tab]Switch [q]Quit"
case 4:
keys = "[n]New [x]End [d]Del [Tab]Switch [q]Quit"
case 5:
keys = "[n]Add [d]Revoke [Tab]Switch [q]Quit"
default:
keys = "[Tab]Switch [q]Quit"