PolarDB-X Operator is a Kubernetes extension that aims to create and manage PolarDB-X cluster on Kubernetes.

GalaxyKube -- PolarDB-X Operator

PolarDB-X Operator is a Kubernetes extension that aims to create and manage PolarDB-X cluster on Kubernetes. It follows the operator pattern and automates the management tasks.

Quick Start

Follow the [Quick Start / 快速开始] guide to start a testing Kubernetes cluster and play with PolarDB-X Operator.

Documentation

Refer to the documentations for more details, such as CRD definitions and operation guides.

Roadmap

There are many aspects of management activities. For now, only some are implemented. Here's a roadmap describing what features we have implemented and what we are going to implement and their (possible) priorities.

Implemented:

  • ✅ Basic Lifetime Management
  • ✅ Liveness/Readiness Probing & Self Healing
  • ✅ Metrics Export
  • ✅ Configuration (Partial, controller and resources)
  • ✅ Scale and Upgrade (CN/CDC)
  • ✅ Automated Failover (CN/CDC)
  • ✅ Multiple Architecture Support
    • linux/amd64, linux/arm64

Working in progress:

  • [T0] Security and TLS
  • [T0] Scale and Upgrade (GMS/DN)
  • [T0] Automated Failover (GMS/DN)
  • [T0] Backup and Restore
  • [T1] Backup Plan
  • [T1] Configuration (DN)
  • [T1] Automated Data Rebalance
  • [T2] Dashboard
  • ...

License

PolarDB-X operator is distributed under the Apache License (Version 2.0). See the LICENSE file for details.

This product contains various third-party components under other open source licenses. See the NOTICE file for more information.

Owner
null
https://github.com/ApsaraDB/galaxykube
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Comments
  • cannot create pod

    cannot create pod

    $ kubectl get polardbxcluster -w NAME GMS CN DN CDC PHASE DISK AGE liyz 0/1 0/1 0/1 0/1 Creating 42m alway waiting. $ kubectl get pods NAME READY STATUS RESTARTS AGE liyz-9gk8-dn-0-single-0 2/3 Running 0 43m liyz-9gk8-gms-single-0 2/3 Running 0 43m $ kubectl logs --tail=30 liyz-9gk8-dn-0-single-0 --all-containers=true INFO:root:Begin to initialize... 2022-04-07 08:31:23,861 - GalaxyEngine - INFO - (cwd=/data/mysql/data) execute command: /opt/galaxy_engine/bin/mysqld --defaults-file=/data/mysql/conf/my.cnf --loose-pod-name=liyz-9gk8-dn-0-single-0 --loose-cluster-info=liyz-9gk8-dn-0-single-0:25047@1 --initialize-insecure INFO:root:Initialized! INFO:root:Bootstrapping engine galaxy ... 2022-04-07 08:31:27,665 - GalaxyEngine - INFO - starting process... 2022-04-07 08:31:27,665 - GalaxyEngine - INFO - () start command: /opt/galaxy_engine/bin/mysqld_safe --defaults-file=/data/mysql/conf/my.cnf --loose-pod-name=liyz-9gk8-dn-0-single-0 2022-04-07T08:31:28.433699Z mysqld_safe Logging to '/data/mysql/log/alert.log'. 2022-04-07T08:31:28.447407Z mysqld_safe Starting mysqld daemon with databases from /data/mysql/data level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:277 msg="Starting msqyld_exporter" version="(version=0.13.0, branch=master, revision=4e8e2b98de1c2bcfed7bf0a5c08b3a885b1cbf46)" level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:278 msg="Build context" (gogo1.16.9,userroot@eafbaf7294c5,date20211023-07:52:42)=(MISSING) level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=global_status level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=global_variables level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=slave_status level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=info_schema.processlist level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=info_schema.innodb_tablespaces level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=info_schema.innodb_metrics level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=info_schema.innodb_cmp level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=info_schema.innodb_cmpmem level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=info_schema.query_response_time level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:293 msg="Scraper enabled" scraper=engine_innodb_status level=info ts=2022-04-07T08:32:02.795Z caller=mysqld_exporter.go:303 msg="Listening on address" address=:21897 level=info ts=2022-04-07T08:32:02.795Z caller=tls_config.go:191 msg="TLS is disabled." http2=false Client: 192.168.49.2:47238 GET /liveness HTTP/1.1 Host: 192.168.49.2:22096 probe-port: 17047 probe-target: xstore connection: close user-agent: kube-probe/1.23 accept: / probe-extra: galaxy Client: 192.168.49.2:47236 GET /readiness HTTP/1.1 Host: 192.168.49.2:22096 probe-extra: galaxy probe-port: 17047 probe-target: xstore connection: close user-agent: kube-probe/1.23 accept: / 2022/04/07 09:12:00 Succeeds! 2022/04/07 09:12:00 Failed! Client: 192.168.49.2:47254 GET /readiness HTTP/1.1 Host: 192.168.49.2:22096 probe-target: xstore connection: close user-agent: kube-probe/1.23 accept: / probe-extra: galaxy probe-port: 17047 2022/04/07 09:12:01 Failed!

  • 健康检查一直无法通过

    健康检查一直无法通过

    Client: 10.1.8.242:57568 GET /liveness HTTP/1.1 Host: 10.1.8.242:23234 user-agent: kube-probe/1.21 accept: / probe-extra: galaxy probe-port: 17997 probe-target: xstore connection: close 2022/08/12 21:20:44 Succeeds! 2022/08/12 21:20:44 Failed!

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