feat: enables filters and level filters when downloading (#4251)

assets/auto-imports.d.ts

@@ -218,6 +218,7 @@ declare global {
   const useDevicesList: typeof import('@vueuse/core')['useDevicesList']
   const useDisplayMedia: typeof import('@vueuse/core')['useDisplayMedia']
   const useDocumentVisibility: typeof import('@vueuse/core')['useDocumentVisibility']
+  const useDownloadUrl: typeof import('./composable/downloadUrl')['useDownloadUrl']
   const useDraggable: typeof import('@vueuse/core')['useDraggable']
   const useDrawer: typeof import('./composable/drawer')['useDrawer']
   const useDropZone: typeof import('@vueuse/core')['useDropZone']
@@ -616,6 +617,7 @@ declare module 'vue' {
     readonly useDevicesList: UnwrapRef<typeof import('@vueuse/core')['useDevicesList']>
     readonly useDisplayMedia: UnwrapRef<typeof import('@vueuse/core')['useDisplayMedia']>
     readonly useDocumentVisibility: UnwrapRef<typeof import('@vueuse/core')['useDocumentVisibility']>
+    readonly useDownloadUrl: UnwrapRef<typeof import('./composable/downloadUrl')['useDownloadUrl']>
     readonly useDraggable: UnwrapRef<typeof import('@vueuse/core')['useDraggable']>
     readonly useDrawer: UnwrapRef<typeof import('./composable/drawer')['useDrawer']>
     readonly useDropZone: UnwrapRef<typeof import('@vueuse/core')['useDropZone']>

assets/components/ContainerViewer/ContainerActionsToolbar.vue

@@ -16,7 +16,10 @@
         </a>
       </li>
       <li v-if="enableDownload">
-        <a :href="downloadUrl" download> <octicon:download-24 /> {{ $t("toolbar.download") }} </a>
+        <a :href="downloadUrl" download>
+          <octicon:download-24 />
+          {{ isFiltered ? $t("toolbar.download-filtered") : $t("toolbar.download") }}
+        </a>
       </li>
       <li v-if="!historical">
         <a @click="showSearch = true">
@@ -199,17 +202,8 @@ if (enableShell) {
   });
 }
 
-const downloadParams = computed(() =>
+const containerRef = computed(() => [container]);
-  Object.entries(toValue(streamConfig))
+const { downloadUrl, isFiltered } = useDownloadUrl(containerRef, streamConfig, levels);
-    .filter(([, value]) => value)
-    .reduce((acc, [key]) => ({ ...acc, [key]: "1" }), {}),
-);
-
-const downloadUrl = computed(() =>
-  withBase(
-    `/api/containers/${container.host}~${container.id}/download?${new URLSearchParams(downloadParams.value).toString()}`,
-  ),
-);
 
 const disableRestart = computed(() => actionStates.stop || actionStates.start || actionStates.restart);
 

assets/components/LogViewer/MultiContainerActionToolbar.vue

@@ -16,7 +16,10 @@
         </a>
       </li>
       <li v-if="enableDownload">
-        <a :href="downloadUrl" download> <octicon:download-24 /> {{ $t("toolbar.download") }} </a>
+        <a :href="downloadUrl" download>
+          <octicon:download-24 />
+          {{ isFiltered ? $t("toolbar.download-filtered") : $t("toolbar.download") }}
+        </a>
       </li>
       <li>
         <a @click="showSearch = true">
@@ -91,19 +94,9 @@ const { showSearch } = useSearchFilter();
 const { enableDownload } = config;
 const clear = defineEmit();
 
-const { streamConfig, showHostname, showContainerName, containers } = useLoggingContext();
+const { streamConfig, showHostname, showContainerName, containers, levels } = useLoggingContext();
 
-const downloadParams = computed(() =>
+const { downloadUrl, isFiltered } = useDownloadUrl(containers, streamConfig, levels);
-  Object.entries(toValue(streamConfig))
-    .filter(([, value]) => value)
-    .reduce((acc, [key]) => ({ ...acc, [key]: "1" }), {}),
-);
-
-const downloadUrl = computed(() =>
-  withBase(
-    `/api/containers/${containers.value.map((c) => c.host + "~" + c.id).join(",")}/download?${new URLSearchParams(downloadParams.value).toString()}`,
-  ),
-);
 
 const hideMenu = (e: MouseEvent) => {
   if (e.target instanceof HTMLAnchorElement) {

assets/composable/downloadUrl.ts

@@ -0,0 +1,45 @@
+import { Container } from "@/models/Container";
+import { allLevels } from "@/composable/logContext";
+
+export function useDownloadUrl(
+  containers: Ref<Container[]> | ComputedRef<Container[]>,
+  streamConfig: { stdout: boolean; stderr: boolean } | Ref<{ stdout: boolean; stderr: boolean }>,
+  levels: Ref<Set<string>>,
+) {
+  const { debouncedSearchFilter } = useSearchFilter();
+
+  const downloadUrl = computed(() => {
+    const params = new URLSearchParams();
+    const config = toValue(streamConfig);
+
+    // Add stdout/stderr
+    if (config.stdout) params.append("stdout", "1");
+    if (config.stderr) params.append("stderr", "1");
+
+    // Add filter if search is active
+    if (debouncedSearchFilter.value) {
+      params.append("filter", debouncedSearchFilter.value);
+    }
+
+    // Add levels (multiple values) only if filtered
+    const selectedLevels = Array.from(levels.value);
+    if (selectedLevels.length > 0 && selectedLevels.length < allLevels.length) {
+      selectedLevels.forEach((level) => params.append("levels", level));
+    }
+
+    const containerIds = toValue(containers)
+      .map((c) => c.host + "~" + c.id)
+      .join(",");
+
+    return withBase(`/api/containers/${containerIds}/download?${params.toString()}`);
+  });
+
+  const isFiltered = computed(
+    () => debouncedSearchFilter.value || (levels.value.size > 0 && levels.value.size < allLevels.length),
+  );
+
+  return {
+    downloadUrl,
+    isFiltered,
+  };
+}

internal/web/download.go

@@ -5,11 +5,14 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"regexp"
 	"strings"
 	"time"
 
 	"github.com/amir20/dozzle/internal/auth"
 	"github.com/amir20/dozzle/internal/container"
+	container_support "github.com/amir20/dozzle/internal/support/container"
+	support_web "github.com/amir20/dozzle/internal/support/web"
 	"github.com/go-chi/chi/v5"
 	"github.com/rs/zerolog/log"
 )
@@ -54,15 +57,34 @@ func (h *handler) downloadLogs(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// Set headers for zip file
+	// Parse filter regex if provided
-	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=container-logs-%s.zip", nowFmt))
+	var regex *regexp.Regexp
-	w.Header().Set("Content-Type", "application/zip")
+	var err error
+	if r.URL.Query().Has("filter") {
+		regex, err = support_web.ParseRegex(r.URL.Query().Get("filter"))
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+	}
 
-	// Create zip writer
+	// Parse level filters if provided
-	zw := zip.NewWriter(w)
+	levels := make(map[string]struct{})
-	defer zw.Close()
+	if r.URL.Query().Has("levels") {
+		for _, level := range r.URL.Query()["levels"] {
+			levels[level] = struct{}{}
+		}
+	}
+
+	// Validate all containers before starting to write response
+	type containerInfo struct {
+		hostId           string
+		host             string
+		id               string
+		containerService *container_support.ContainerService
+	}
+	containers := make([]containerInfo, 0, len(hostIds))
 
-	// Process each container
 	for _, hostId := range hostIds {
 		parts := strings.Split(hostId, "~")
 		if len(parts) != 2 {
@@ -80,29 +102,79 @@ func (h *handler) downloadLogs(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
+		containers = append(containers, containerInfo{
+			hostId:           hostId,
+			host:             host,
+			id:               id,
+			containerService: containerService,
+		})
+	}
+
+	// Set headers for zip file
+	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=container-logs-%s.zip", nowFmt))
+	w.Header().Set("Content-Type", "application/zip")
+
+	// Create zip writer
+	zw := zip.NewWriter(w)
+	defer zw.Close()
+
+	// Process each container - errors after this point are logged only since response has started
+	for _, c := range containers {
 		// Create new file in zip for this container's logs
-		fileName := fmt.Sprintf("%s-%s.log", containerService.Container.Name, nowFmt)
+		fileName := fmt.Sprintf("%s-%s.log", c.containerService.Container.Name, nowFmt)
 		f, err := zw.Create(fileName)
 		if err != nil {
-			log.Error().Err(err).Msgf("error creating zip entry for container %s", id)
+			log.Error().Err(err).Msgf("error creating zip entry for container %s", c.id)
-			http.Error(w, fmt.Sprintf("error creating zip entry: %v", err), http.StatusInternalServerError)
 			return
 		}
 
-		// Get container logs
+		// Get container logs - use LogsBetweenDates if filtering is needed, otherwise use RawLogs
-		reader, err := containerService.RawLogs(r.Context(), time.Time{}, now, stdTypes)
+		if regex != nil || len(levels) > 0 {
+			// Fetch parsed log events for filtering
+			events, err := c.containerService.LogsBetweenDates(r.Context(), time.Time{}, now, stdTypes)
 			if err != nil {
-			log.Error().Err(err).Msgf("error getting logs for container %s", id)
+				log.Error().Err(err).Msgf("error getting logs for container %s", c.id)
-			http.Error(w, fmt.Sprintf("error getting logs for container %s: %v", id, err), http.StatusInternalServerError)
+				return
+			}
+
+			// Filter and write events
+			for event := range events {
+				// Apply regex filter if provided
+				if regex != nil && !support_web.Search(regex, event) {
+					continue
+				}
+
+				// Apply level filter if provided
+				if len(levels) > 0 {
+					if _, ok := levels[event.Level]; !ok {
+						continue
+					}
+				}
+
+				// Format timestamp in UTC
+				timestamp := time.UnixMilli(event.Timestamp).UTC().Format(time.RFC3339Nano)
+
+				// Write timestamp followed by message
+				_, err = fmt.Fprintf(f, "%s %s\n", timestamp, event.RawMessage)
+				if err != nil {
+					log.Error().Err(err).Msgf("error writing log for container %s", c.id)
+					return
+				}
+			}
+		} else {
+			// No filtering needed, use raw logs for better performance
+			reader, err := c.containerService.RawLogs(r.Context(), time.Time{}, now, stdTypes)
+			if err != nil {
+				log.Error().Err(err).Msgf("error getting logs for container %s", c.id)
 				return
 			}
 
 			// Copy logs to zip file
 			_, err = io.Copy(f, reader)
 			if err != nil {
-			log.Error().Err(err).Msgf("error copying logs for container %s", id)
+				log.Error().Err(err).Msgf("error copying logs for container %s", c.id)
-			http.Error(w, fmt.Sprintf("error copying logs for container %s: %v", id, err), http.StatusInternalServerError)
 				return
 			}
 		}
 	}
+}

locales/da.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Ryd
   download: Download
+  download-filtered: Download Filtrerede Logs
   search: Søg
   show: Vis kun {std}
   show-all: Vis alle streams

locales/de.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Leeren
   download: Herunterladen
+  download-filtered: Gefilterte Logs Herunterladen
   search: Suchen
   show: Zeige nur {std}
   show-all: Zeige alle Streams

locales/en.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Clear
   download: Download
+  download-filtered: Download Filtered Logs
   search: Search
   show: Show {std}
   show-all: Show all

locales/es.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Limpiar
   download: Descargar
+  download-filtered: Descargar Logs Filtrados
   search: Buscar
   show: Mostrar {std}
   show-all: Mostrar todo

locales/fr.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Effacer
   download: Téléchargement
+  download-filtered: Télécharger Logs Filtrés
   search: Chercher
   show: Montrer seulement {std}
   show-all: Afficher tous les flux

locales/id.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Bersihkan
   download: Unduh
+  download-filtered: Unduh Log yang Difilter
   search: Cari
   show: Tampilkan {std}
   show-all: Tampilkan semua

locales/it.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Pulisci
   download: Scarica
+  download-filtered: Scarica Log Filtrati
   search: Cerca
   show: Mostra solo {std}
   show-all: Mostra tutto

locales/ko.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: 지우기
   download: 다운로드
+  download-filtered: 필터링된 로그 다운로드
   search: 검색
   show: "{std} 보기"
   show-all: 전체 보기

locales/nl.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Wissen
   download: Downloaden
+  download-filtered: Gefilterde Logs Downloaden
   search: Zoeken
   show: Toon {std}
   show-all: Toon alles

locales/pl.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Wyczyść
   download: Pobierz
+  download-filtered: Pobierz Filtrowane Logi
   search: Szukaj
   show: Pokaż tylko {std}
   show-all: Pokaż wszystko

locales/pr.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Limpar
   download: Descarregar
+  download-filtered: Descarregar Logs Filtrados
   search: Pesquisa
   show: Mostrar apenas {std}
   show-all: Mostrar todos os fluxos

locales/pt.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Limpar
   download: Baixar
+  download-filtered: Baixar Logs Filtrados
   search: Pesquisar
   show: Mostrar {std}
   show-all: Mostrar tudo

locales/ru.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Очистить
   download: Скачать
+  download-filtered: Скачать Отфильтрованные Логи
   search: Поиск
   show: Показать только {std}
   show-all: Показать все потоки

locales/sl.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Počisti
   download: Prenesi
+  download-filtered: Prenesi Filtrirane Dnevnike
   search: Iskanje
   show: Prikaži {std}
   show-all: Prikaži vse
@@ -121,8 +122,8 @@ releases:
   features: ena nova funkcija | {count} funkcij
   bugFixes: en popravek napake | {counr} popravkov
   breaking: ena ključna sprememba | {count} ključnih sprememb
-  three_parts: '{first}, {second} in {third}'
+  three_parts: "{first}, {second} in {third}"
-  two_parts: '{first} s/z {second}'
+  two_parts: "{first} s/z {second}"
   latest: Najnovejše
   no_releases: Imate najnovejšo različico
 log_actions:

locales/tr.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: Temizle
   download: İndir
+  download-filtered: Filtrelenmiş Logları İndir
   search: Ara
   show: Sadece {std} göster
   show-all: Tüm akışları göster

locales/zh-tw.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: 清除
   download: 下載
+  download-filtered: 下載篩選的日誌
   search: 搜尋
   show: 僅顯示 {std}
   show-all: 顯示全部

locales/zh.yml

@@ -1,6 +1,7 @@
 toolbar:
   clear: 清除
   download: 下载
+  download-filtered: 下载筛选的日志
   search: 搜索
   show: 显示 {std}
   show-all: 显示全部