新增kafka模块

sysmodule/kafkamodule/Admin.go

@@ -0,0 +1,65 @@
+package kafkamodule
+
+import "github.com/IBM/sarama"
+
+type KafkaAdmin struct {
+	sarama.ClusterAdmin
+
+	mapTopic map[string]sarama.TopicDetail
+}
+
+func (ka *KafkaAdmin) Setup(kafkaVersion string, addrs []string) error {
+	config := sarama.NewConfig()
+	var err error
+	config.Version, err = sarama.ParseKafkaVersion(kafkaVersion)
+	if err != nil {
+		return err
+	}
+
+	ka.ClusterAdmin, err = sarama.NewClusterAdmin(addrs, config)
+	if err != nil {
+		return err
+	}
+
+	ka.mapTopic, err = ka.GetTopics()
+	if err != nil {
+		ka.ClusterAdmin.Close()
+		return err
+	}
+
+	return nil
+}
+
+func (ka *KafkaAdmin) RefreshTopic() error {
+	var err error
+	ka.mapTopic, err = ka.GetTopics()
+
+	return err
+}
+
+func (ka *KafkaAdmin) HasTopic(topic string) bool {
+	_, ok := ka.mapTopic[topic]
+
+	return ok
+}
+
+func (ka *KafkaAdmin) GetTopicDetail(topic string) *sarama.TopicDetail {
+	topicDetail, ok := ka.mapTopic[topic]
+	if ok == false {
+		return nil
+	}
+
+	return &topicDetail
+}
+
+func (ka *KafkaAdmin) GetTopics() (map[string]sarama.TopicDetail, error) {
+	return ka.ListTopics()
+}
+
+// CreateTopic 创建主题
+// numPartitions分区数
+// replicationFactor副本数
+// validateOnly参数执行操作时只进行参数验证而不实际执行操作
+func (ka *KafkaAdmin) CreateTopic(topic string, numPartitions int32, replicationFactor int16, validateOnly bool) error {
+	return ka.ClusterAdmin.CreateTopic(topic, &sarama.TopicDetail{NumPartitions: numPartitions, ReplicationFactor: replicationFactor}, validateOnly)
+}