Admin UI: Add message queue to admin UI (#6958)

* add a menu item "Message Queue"

* add a menu item "Message Queue"
  * move the "brokers" link under it.
  * add "topics", "subscribers". Add pages for them.

* refactor

* show topic details

* admin display publisher and subscriber info

* remove publisher and subscribers from the topic row pull down

* collecting more stats from publishers and subscribers

* fix layout

* fix publisher name

* add local listeners for mq broker and agent

* render consumer group offsets

* remove subscribers from left menu

* topic with retention

* support editing topic retention

* show retention when listing topics

* create bucket

* Update s3_buckets_templ.go

* embed the static assets into the binary

fix https://github.com/seaweedfs/seaweedfs/issues/6964

weed/mq/topic/local_partition_publishers.go

@@ -1,20 +1,61 @@
 package topic
 
-import "sync"
+import (
+	"sync"
+	"sync/atomic"
+	"time"
+)
 
 type LocalPartitionPublishers struct {
 	publishers     map[string]*LocalPublisher
 	publishersLock sync.RWMutex
 }
 type LocalPublisher struct {
+	connectTimeNs       int64 // accessed atomically
+	lastSeenTimeNs      int64 // accessed atomically
+	lastPublishedOffset int64 // accessed atomically - offset of last message published
+	lastAckedOffset     int64 // accessed atomically - offset of last message acknowledged by broker
 }
 
 func NewLocalPublisher() *LocalPublisher {
-	return &LocalPublisher{}
+	now := time.Now().UnixNano()
+	publisher := &LocalPublisher{}
+	atomic.StoreInt64(&publisher.connectTimeNs, now)
+	atomic.StoreInt64(&publisher.lastSeenTimeNs, now)
+	atomic.StoreInt64(&publisher.lastPublishedOffset, 0)
+	atomic.StoreInt64(&publisher.lastAckedOffset, 0)
+	return publisher
 }
 func (p *LocalPublisher) SignalShutdown() {
 }
 
+// UpdateLastSeen updates the last activity time for this publisher
+func (p *LocalPublisher) UpdateLastSeen() {
+	atomic.StoreInt64(&p.lastSeenTimeNs, time.Now().UnixNano())
+}
+
+// UpdatePublishedOffset updates the offset of the last message published by this publisher
+func (p *LocalPublisher) UpdatePublishedOffset(offset int64) {
+	atomic.StoreInt64(&p.lastPublishedOffset, offset)
+	atomic.StoreInt64(&p.lastSeenTimeNs, time.Now().UnixNano())
+}
+
+// UpdateAckedOffset updates the offset of the last message acknowledged by the broker for this publisher
+func (p *LocalPublisher) UpdateAckedOffset(offset int64) {
+	atomic.StoreInt64(&p.lastAckedOffset, offset)
+	atomic.StoreInt64(&p.lastSeenTimeNs, time.Now().UnixNano())
+}
+
+// GetTimestamps returns the connect and last seen timestamps safely
+func (p *LocalPublisher) GetTimestamps() (connectTimeNs, lastSeenTimeNs int64) {
+	return atomic.LoadInt64(&p.connectTimeNs), atomic.LoadInt64(&p.lastSeenTimeNs)
+}
+
+// GetOffsets returns the published and acknowledged offsets safely
+func (p *LocalPublisher) GetOffsets() (lastPublishedOffset, lastAckedOffset int64) {
+	return atomic.LoadInt64(&p.lastPublishedOffset), atomic.LoadInt64(&p.lastAckedOffset)
+}
+
 func NewLocalPartitionPublishers() *LocalPartitionPublishers {
 	return &LocalPartitionPublishers{
 		publishers: make(map[string]*LocalPublisher),
@@ -50,3 +91,25 @@ func (p *LocalPartitionPublishers) Size() int {
 
 	return len(p.publishers)
 }
+
+// GetPublisherNames returns the names of all publishers
+func (p *LocalPartitionPublishers) GetPublisherNames() []string {
+	p.publishersLock.RLock()
+	defer p.publishersLock.RUnlock()
+
+	names := make([]string, 0, len(p.publishers))
+	for name := range p.publishers {
+		names = append(names, name)
+	}
+	return names
+}
+
+// ForEachPublisher iterates over all publishers
+func (p *LocalPartitionPublishers) ForEachPublisher(fn func(name string, publisher *LocalPublisher)) {
+	p.publishersLock.RLock()
+	defer p.publishersLock.RUnlock()
+
+	for name, publisher := range p.publishers {
+		fn(name, publisher)
+	}
+}