Release/1.2.9 (#278)

* support sls sink for external labels.

* fix markdown bug

* fix external bug with deep copy

* fix mysql sink with wrong table name

* refine mysql sink README.md

* 修复，当event没有形成series时，只有eventTimestamp字段，无first、lastTimestamp，会造成如FailedScheduling等单次事件记录时无时间戳情况。

* refine elasticsearch readme for index define

* webhook debug log

* update makefile go mod vendor

* update makefile for go mod tidy

* update dockerfile golang 1.20.7

* when a event is a series, event ObjectMeta.UID is not unique.

* fix webhook sink with wrong event timestamp

Makefile

@@ -17,6 +17,7 @@ fmt:
 	find . -type f -name "*.go" | grep -v "./vendor*" | xargs gofmt -s -w
 
 build: clean
+	go mod tidy & go mod vendor
 	GOARCH=$(ARCH) CGO_ENABLED=0 go build -ldflags "$(KUBE_EVENTER_LDFLAGS)" -o kube-eventer  github.com/AliyunContainerService/kube-eventer
 
 sanitize:

deploy/Dockerfile.multi

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.17 AS build-env
+FROM --platform=$BUILDPLATFORM golang:1.20.7 AS build-env
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
 ARG BUILDARCH

docs/en/mysql-sink.md

@@ -24,7 +24,6 @@ create table k8s_event
     kind             varchar(64)  not null default '' comment 'event kind' ,
     first_occurrence_time   varchar(64)    not null default '' comment 'event first occurrence time',
     last_occurrence_time    varchar(64)    not null default '' comment 'event last occurrence time',
-    unique index event_id_index (event_id)
 ) ENGINE = InnoDB default CHARSET = utf8 comment ='Event info tables';
 ```