分布式调度框架。
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
################################
## DolphinScheduler Worker KEDA Scaler
#################################
{{- if and .Values.worker.keda.enabled }}
apiVersion: keda.sh/v1alpha1
kind: ScaledObject
metadata:
name: {{ include "dolphinscheduler.fullname" . }}-worker
labels:
component: worker-horizontalpodautoscaler
deploymentName: {{ include "dolphinscheduler.fullname" . }}-worker
spec:
scaleTargetRef:
kind: StatefulSet
name: {{ include "dolphinscheduler.fullname" . }}-worker
pollingInterval: {{ .Values.worker.keda.pollingInterval }}
cooldownPeriod: {{ .Values.worker.keda.cooldownPeriod }}
minReplicaCount: {{ .Values.worker.keda.minReplicaCount }}
maxReplicaCount: {{ .Values.worker.keda.maxReplicaCount }}
{{- if .Values.worker.keda.advanced }}
advanced:
{{ toYaml .Values.worker.keda.advanced | indent 4 }}
{{- end }}
# This is just an example, you could customize the trigger rule.
# FYI, check TaskExecutionStatus.java for the human-readable meaning of state values below.
triggers:
{{- if .Values.postgresql.enabled }}
- type: postgresql
metadata:
host: {{ template "dolphinscheduler.postgresql.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local
port: "5432"
dbName: {{ .Values.postgresql.postgresqlDatabase }}
userName: {{ .Values.postgresql.postgresqlUsername }}
passwordFromEnv: SPRING_DATASOURCE_PASSWORD
sslmode: "disable"
targetQueryValue: "1"
query: >-
SELECT ceil(COUNT(*)::decimal / {{ .Values.worker.env.WORKER_EXEC_THREADS }})
FROM t_ds_task_instance
WHERE state IN (0, 1, 8, 12, 17)
{{- else if .Values.mysql.enabled }}
- type: mysql
metadata:
host: {{ template "dolphinscheduler.mysql.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local
port: "3306"
dbName: {{ .Values.mysql.auth.database }}
username: {{ .Values.mysql.auth.username }}
passwordFromEnv: SPRING_DATASOURCE_PASSWORD
queryValue: "1"
query: >-
SELECT CEIL(COUNT(*) / {{ .Values.worker.env.WORKER_EXEC_THREADS }})
FROM t_ds_task_instance
WHERE state IN (0, 1, 8, 12, 17)
{{- else if .Values.externalDatabase.enabled }}
{{- if eq .Values.externalDatabase.type "mysql" }}
- type: mysql
metadata:
host: {{ .Values.externalDatabase.host }}
# mysql scaler requests port in string format
port: "{{ .Values.externalDatabase.port }}"
dbName: {{ .Values.externalDatabase.database }}
username: {{ .Values.externalDatabase.username }}
passwordFromEnv: SPRING_DATASOURCE_PASSWORD
queryValue: "1"
query: >-
SELECT CEIL(COUNT(*) / {{ .Values.worker.env.WORKER_EXEC_THREADS }})
FROM t_ds_task_instance
WHERE state IN (0, 1, 8, 12, 17)
{{- else if eq .Values.externalDatabase.type "postgresql" }}
- type: postgresql
metadata:
host: {{ .Values.externalDatabase.host }}
port: "{{ .Values.externalDatabase.port }}"
dbName: {{ .Values.externalDatabase.database }}
userName: {{ .Values.externalDatabase.username }}
passwordFromEnv: SPRING_DATASOURCE_PASSWORD
sslmode: "disable"
targetQueryValue: "1"
query: >-
SELECT ceil(COUNT(*)::decimal / {{ .Values.worker.env.WORKER_EXEC_THREADS }})
FROM t_ds_task_instance
WHERE state IN (0, 1, 8, 12, 17)
{{- end }}
{{- end }}
{{- end }}