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This commit is contained in:
BlobTheBuilder
2026-05-17 14:12:06 +00:00
parent 7066415af5
commit a4f2ce1c7b
13 changed files with 369 additions and 93 deletions
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internal/handlers/alerts.go
+36 -8
View File
@@ -3,6 +3,7 @@ package handlers
import (
"context"
"fmt"
"log"
"net/http"
"strconv"
"strings"
@@ -20,20 +21,32 @@ func NewAlertsHandler(deps Deps) *AlertsHandler {
return &AlertsHandler{deps: deps}
}
const alertsPerPage = 50
// AlertsData is passed to the alerts template.
type AlertsData struct {
PageData
Alerts []crowdsec.Alert
Filter crowdsec.AlertFilter
Alerts []crowdsec.Alert
Filter crowdsec.AlertFilter
Page int
HasNext bool
ShowUpdates bool
}
// List renders the alerts list.
// List renders the paginated alerts list.
func (h *AlertsHandler) List(w http.ResponseWriter, r *http.Request) {
ctx, cancel := context.WithTimeout(r.Context(), 15*time.Second)
defer cancel()
page, _ := strconv.Atoi(r.URL.Query().Get("page"))
if page < 1 {
page = 1
}
showUpdates := r.URL.Query().Get("show_updates") == "1"
filter := crowdsec.AlertFilter{
Limit: 200,
Limit: alertsPerPage + 1,
Offset: (page - 1) * alertsPerPage,
Scenario: r.URL.Query().Get("scenario"),
IP: r.URL.Query().Get("ip"),
Since: r.URL.Query().Get("since"),
@@ -41,19 +54,34 @@ func (h *AlertsHandler) List(w http.ResponseWriter, r *http.Request) {
alerts, err := h.deps.LAPI.ListAlerts(ctx, filter)
if err != nil {
h.deps.Renderer.RenderError(w, http.StatusBadGateway, "failed to fetch alerts")
log.Printf("alerts: LAPI error: %v", err)
pd := NewPageData(r, "Alerts", h.deps.CLIAvailable, h.deps.PollInterval)
if crowdsec.IsForbidden(err) {
pd = pd.WithFlash("error", "Access denied: re-register machine with admin rights: cscli machines delete crowdsec-dashy && cscli machines add crowdsec-dashy -a")
} else {
pd = pd.WithFlash("error", "Failed to fetch alerts from LAPI.")
}
h.deps.Renderer.Render(w, "alerts", AlertsData{PageData: pd})
return
}
hasNext := len(alerts) > alertsPerPage
if hasNext {
alerts = alerts[:alertsPerPage]
}
pd := NewPageData(r, "Alerts", h.deps.CLIAvailable, h.deps.PollInterval)
if f := readFlash(r); f.Message != "" {
pd.Flash = f
}
h.deps.Renderer.Render(w, "alerts", AlertsData{
PageData: pd,
Alerts: alerts,
Filter: filter,
PageData: pd,
Alerts: alerts,
Filter: filter,
Page: page,
HasNext: hasNext,
ShowUpdates: showUpdates,
})
}
internal/handlers/api.go
+20 -5
View File
@@ -4,6 +4,7 @@ import (
"context"
"encoding/json"
"net/http"
"sync"
"time"
"crowdsec-dashy/internal/crowdsec"
@@ -20,7 +21,8 @@ func NewAPIHandler(deps Deps) *APIHandler {
type statsResponse struct {
Decisions int `json:"decisions"`
Alerts int `json:"alerts"`
Alerts24h int `json:"alerts_24h"`
Alerts7d int `json:"alerts_7d"`
Bouncers int `json:"bouncers"`
Machines int `json:"machines"`
Healthy bool `json:"healthy"`
@@ -36,18 +38,31 @@ func (h *APIHandler) Stats(w http.ResponseWriter, r *http.Request) {
ctx, cancel := context.WithTimeout(r.Context(), 15*time.Second)
defer cancel()
decisions, _ := h.deps.LAPI.ListDecisions(ctx, crowdsec.DecisionFilter{Limit: 500})
alerts, _ := h.deps.LAPI.ListAlerts(ctx, crowdsec.AlertFilter{Limit: 500})
// Fetch 24h and 7d alert counts in parallel to minimize latency.
var alerts24h, alerts7d []crowdsec.Alert
var wg sync.WaitGroup
wg.Add(2)
go func() {
defer wg.Done()
alerts24h, _ = h.deps.LAPI.ListAlerts(ctx, crowdsec.AlertFilter{Limit: 5000, Since: "24h"})
}()
go func() {
defer wg.Done()
alerts7d, _ = h.deps.LAPI.ListAlerts(ctx, crowdsec.AlertFilter{Limit: 5000, Since: "168h"})
}()
wg.Wait()
resp := statsResponse{
Decisions: len(decisions),
Alerts: len(alerts),
Alerts24h: len(alerts24h),
Alerts7d: len(alerts7d),
Healthy: h.deps.LAPI.IsHealthy(ctx),
}
if h.deps.CLIAvailable {
decisions, _ := h.deps.CLI.ListDecisions(ctx, crowdsec.DecisionFilter{Limit: 500})
bouncers, _ := h.deps.CLI.ListBouncers(ctx)
machines, _ := h.deps.CLI.ListMachines(ctx)
resp.Decisions = len(decisions)
resp.Bouncers = len(bouncers)
resp.Machines = len(machines)
}
internal/handlers/dashboard.go
+4 -1
View File
@@ -29,7 +29,10 @@ func (h *DashboardHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx, cancel := context.WithTimeout(r.Context(), 15*time.Second)
defer cancel()
decisions, _ := h.deps.LAPI.ListDecisions(ctx, crowdsec.DecisionFilter{Limit: 10})
var decisions []crowdsec.Decision
if h.deps.CLIAvailable {
decisions, _ = h.deps.CLI.ListDecisions(ctx, crowdsec.DecisionFilter{Limit: 10})
}
alerts, _ := h.deps.LAPI.ListAlerts(ctx, crowdsec.AlertFilter{Limit: 10})
h.deps.Renderer.Render(w, "dashboard", DashboardData{
internal/handlers/decisions.go
+15 -5
View File
@@ -3,6 +3,7 @@ package handlers
import (
"context"
"fmt"
"log"
"net"
"net/http"
"regexp"
@@ -45,6 +46,13 @@ func (h *DecisionsHandler) List(w http.ResponseWriter, r *http.Request) {
page = 1
}
if !h.deps.CLIAvailable {
pd := NewPageData(r, "Decisions", h.deps.CLIAvailable, h.deps.PollInterval)
pd = pd.WithFlash("error", "cscli is required for decisions management but is not available.")
h.deps.Renderer.Render(w, "decisions", DecisionsData{PageData: pd})
return
}
filter := crowdsec.DecisionFilter{
Limit: decisionsPerPage + 1,
Offset: (page - 1) * decisionsPerPage,
@@ -54,9 +62,12 @@ func (h *DecisionsHandler) List(w http.ResponseWriter, r *http.Request) {
Origin: r.URL.Query().Get("origin"),
}
decisions, err := h.deps.LAPI.ListDecisions(ctx, filter)
decisions, err := h.deps.CLI.ListDecisions(ctx, filter)
if err != nil {
h.deps.Renderer.RenderError(w, http.StatusBadGateway, "failed to fetch decisions")
log.Printf("decisions: CLI error: %v", err)
pd := NewPageData(r, "Decisions", h.deps.CLIAvailable, h.deps.PollInterval)
pd = pd.WithFlash("error", "Failed to fetch decisions via cscli.")
h.deps.Renderer.Render(w, "decisions", DecisionsData{PageData: pd})
return
}
@@ -112,9 +123,8 @@ func (h *DecisionsHandler) Add(w http.ResponseWriter, r *http.Request) {
ctx, cancel := context.WithTimeout(r.Context(), 15*time.Second)
defer cancel()
if err := h.deps.LAPI.AddDecision(ctx, crowdsec.DecisionInput{
if err := h.deps.CLI.AddDecision(ctx, crowdsec.DecisionInput{
Duration: duration,
Origin: "cscli",
Scenario: scenario,
Scope: scope,
Type: decType,
@@ -157,7 +167,7 @@ func (h *DecisionsHandler) Delete(w http.ResponseWriter, r *http.Request) {
errs = append(errs, fmt.Sprintf("invalid id: %q", s))
continue
}
if err := h.deps.LAPI.DeleteDecision(ctx, id); err != nil {
if err := h.deps.CLI.DeleteDecision(ctx, id); err != nil {
errs = append(errs, fmt.Sprintf("id %d: %v", id, err))
continue
}
internal/handlers/metrics.go
+5 -3
View File
@@ -21,22 +21,24 @@ func NewMetricsHandler(deps Deps) *MetricsHandler {
// MetricsData is passed to the metrics template.
type MetricsData struct {
PageData
Sections []crowdsec.MetricsSection
Sections []crowdsec.MetricsSection
RawOutput string
}
func (h *MetricsHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
pd := NewPageData(r, "Metrics", h.deps.CLIAvailable, h.deps.PollInterval)
var sections []crowdsec.MetricsSection
var raw string
if h.deps.CLIAvailable {
ctx, cancel := context.WithTimeout(r.Context(), 30*time.Second)
defer cancel()
var err error
sections, err = h.deps.CLI.GetMetrics(ctx)
sections, raw, err = h.deps.CLI.GetMetrics(ctx)
if err != nil {
pd.Flash = FlashMessage{Type: "error", Message: fmt.Sprintf("cscli error: %v", err)}
}
}
h.deps.Renderer.Render(w, "metrics", MetricsData{PageData: pd, Sections: sections})
h.deps.Renderer.Render(w, "metrics", MetricsData{PageData: pd, Sections: sections, RawOutput: raw})
}
internal/handlers/renderer.go
+23
View File
@@ -8,6 +8,7 @@ import (
"io/fs"
"log"
"net/http"
"net/url"
"path"
"strings"
@@ -112,6 +113,28 @@ func buildFuncMap() template.FuncMap {
return template.FuncMap{
"inc": func(i int) int { return i + 1 },
"dec": func(i int) int { return i - 1 },
// alertsPageURL builds the prev/next link for the alerts page.
"alertsPageURL": func(f crowdsec.AlertFilter, page int, next bool, showUpdates bool) string {
p := page - 1
if next {
p = page + 1
}
q := url.Values{}
q.Set("page", fmt.Sprintf("%d", p))
if f.Scenario != "" {
q.Set("scenario", f.Scenario)
}
if f.IP != "" {
q.Set("ip", f.IP)
}
if f.Since != "" {
q.Set("since", f.Since)
}
if showUpdates {
q.Set("show_updates", "1")
}
return "/alerts?" + q.Encode()
},
// dict builds a map for passing multiple values to a sub-template.
// Usage: {{template "foo" dict "Key1" val1 "Key2" val2}}
"dict": func(pairs ...any) (map[string]any, error) {