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- ããå€ãã®äººããªãŒãã³ãœãŒã¹ããã®ä»ã®ãœãããŠã§ã¢ã®éçºè ã«ãªããããã«ãªããããå€ãã®ãœãããŠã§ã¢ãäŒæ¥ã§äœ¿çšããããã®å¿ èŠæ§ãé«ãŸã£ãŠããŸãã
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DBaaS ã¯ãéçºè ãããŒã¿ããŒã¹ãçŽæ¥æäœããæ¥åžžçãªäœæ¥ãæå°éã«æããããšãã§ãããããçŸåšæ¥éã«æé·ããŠããåžå Žã§ãã ãããã€ããŒã¯ãé«å¯çšæ§ãšç°¡åãªã¹ã±ãŒãªã³ã°ãããŒã¿ããŒã¹ã®ãããé©çšãããã¯ã¢ãããããã³ããã©ãŒãã³ã¹ã®ãã¥ãŒãã³ã°ãä¿èšŒããŸãã
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- ãªãŒãã³ãœãŒã¹ãšäºææ§ã®ãããããŸããŸãªã¢ããªã³ãåããé«åºŠãªåçšãœãªã¥ãŒã·ã§ã³ã
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ãã ããæè¿ Kubernetes ã«ç»å ŽãããããŒã¿ããŒã¹ããã®ä»ã®ã¹ããŒããã« ã¢ããªã±ãŒã·ã§ã³ã®äœ¿çšãå¯èœã«ããæ©èœããããŸãã
- StatefulSet ã®æŠå¿µã¯ããããã®åäœã®åæ¢ãšã°ã¬ãŒã¹ãã« ã·ã£ããããŠã³ (ã¢ããªã±ãŒã·ã§ã³ã®äºæž¬å¯èœãªã·ã£ããããŠã³) ã®å®è£ ã«é¢ããã€ãã³ããåŠçããããã®äžé£ã®ããªããã£ãå šäœã§ãã
- æ°žç¶ããªã¥ãŒã ã¯ãããããKubernetes 管çãªããžã§ã¯ãã«é¢é£ä»ããããããŒã¿ ã¹ãã¢ã§ãã
- Operator Framework - å€ãã®ããŒãã«åæ£ãããããŒã¿ããŒã¹ããã®ä»ã®ã¹ããŒããã« ã¢ããªã±ãŒã·ã§ã³ã管çããããã®ã³ã³ããŒãã³ããäœæããæ©èœã
ãã§ã«ãããªã㯠ã¯ã©ãŠãã«ã¯ãCockroachCloudãInfluxDBãPlanetScale ãªã©ã倧èŠæš¡ãª Databases as a Service ãããããã®ããã¯ãšã³ã㯠Kubernetes ã§ãã ã€ãŸããKubernetes äžã®ããŒã¿ããŒã¹ã¯çè«çã«å¯èœã§ããã ãã§ãªããå®éã«æ©èœãããã®ã§ããããŸãã
Percona ã«ã¯ãKubernetes çšã® XNUMX ã€ã®ãªãŒãã³ãœãŒã¹ ãœãªã¥ãŒã·ã§ã³ããããŸãã
- MongoDB çš Percona ãµãŒããŒã® Kubernetes ãªãã¬ãŒã¿ãŒã
- Kubernetes Operator for XtraDB CLUSTER ã¯ãMySQL ãšäºææ§ããããé«å¯çšæ§ãšäžè²«æ§ãæäŸãããµãŒãã¹ã§ãã é«å¯çšæ§ãå¿ èŠãªãå Žå (éçºããŒã¿ããŒã¹ãªã©) ã«åäžããŒãã䜿çšããããšãã§ããŸãã
Kubernetes ãŠãŒã¶ãŒã¯ XNUMX ã€ã®ã°ã«ãŒãã«åé¡ã§ããŸãã Kubernetes Operator ãçŽæ¥äœ¿çšãã人ãããŸãããããã¯äž»ã«ããã¯ãããžãŒãã©ã®ããã«æ©èœããããããç解ããŠããäžçŽãŠãŒã¶ãŒã§ãã ããã¯ãšã³ãã§å®è¡ãããŠãŒã¶ãŒãããŸãããã®ãããªãŠãŒã¶ãŒã¯ãDatabase as a Service ã®ãããªãã®ã«èå³ããããKubernetes ã®åŸ®åŠãªéããæãäžããããããŸããã XNUMX çªç®ã®ãŠãŒã¶ãŒ ã°ã«ãŒãã«ã¯ãå¥ã®ãªãŒãã³ ãœãŒã¹ ãœãªã¥ãŒã·ã§ã³ãPercona DBaaS CLI ããŒã«ããããŸãã ããã¯ããã¯ãããžãŒãæ·±ãç解ããã« Kubernetes ããŒã¹ã®ãªãŒãã³ãœãŒã¹ DBaaS ãå ¥æããã人ã®ããã®å®éšçãªãœãªã¥ãŒã·ã§ã³ã§ãã
Google Kubernetes Engine 㧠Percona ã® DBaaS ãå®è¡ããæ¹æ³
ç§ã®æèŠã§ã¯ãGoogle Kubernetes Engine 㯠Kubernetes ãã¯ãããžãŒã®æãæ©èœçãªå®è£ ã® XNUMX ã€ã§ãã äžçã®å€ãã®å°åã§å©çšã§ããã·ã³ãã«ã§äŸ¿å©ãªã³ãã³ã ã©ã€ã³ ããŒã« (SDK) ãåãã£ãŠãããããã䜿çšãããšããã©ãããã©ãŒã ãæåã§ç®¡çããã®ã§ã¯ãªããã¹ã¯ãªãããäœæã§ããŸãã
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- ã¯ãã¯ãã«ã
- Googleã¯ã©ãŠãSDKã
- Percona DBaaS CLIã
kubectlãã€ã³ã¹ããŒã«ãã
ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã çšã®ããã±ãŒãžãã€ã³ã¹ããŒã«ããŸããUbuntu ã®äŸãèŠãŠãããŸãã ããã«è©³ãã
sudo apt-get update && sudo apt-get install -y apt-transport-https gnupg2
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee -a /etc/apt/sources.list.d/kubernetes.list
sudo apt-get update
sudo apt-get install -y kubectl
Google Cloud SDKã®ã€ã³ã¹ããŒã«
åãæ¹æ³ã§ãœãããŠã§ã¢ ããã±ãŒãžãã€ã³ã¹ããŒã«ããŸãã ããã«è©³ãã
# Add the Cloud SDK distribution URI as a package source
echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg]
http://packages.cloud.google.com/apt cloud-sdk main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list
# Import the Google Cloud Platform public key
curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key --keyring /usr/share/keyrings/cloud.google.gpg add -
# Update the package list and install the Cloud SDK
sudo apt-get update && sudo apt-get install google-cloud-sdk
Percona DBaaS CLI ã®ã€ã³ã¹ããŒã«
Percona ãªããžããªããã€ã³ã¹ããŒã«ããŸãã Percona DBaaS CLI ããŒã«ã¯ãŸã å®éšçãªè£œåã§ãããããå®éšçšãªããžããªã«é 眮ãããŠããããã§ã« Percona ãªããžããªãã€ã³ã¹ããŒã«ãããŠããå Žåã§ããå¥éæå¹ã«ããå¿ èŠããããŸãã
ãã£ãš
ã€ã³ã¹ããŒã«ã¢ã«ãŽãªãºã ïŒ
- percona-release ããŒã«ã䜿çšã㊠Percona ãªããžããªãã»ããã¢ããããŸãã ãŸããPercona ããå
¬åŒã® percona-release ããã±ãŒãžãããŠã³ããŒãããŠã€ã³ã¹ããŒã«ããå¿
èŠããããŸãã
wget https://repo.percona.com/apt/percona-release_latest.generic_all.deb sudo dpkg -i percona-release_latest.generic_all.deb
- 次ã®ããã«å®éšããŒã« ãªããžã㪠ã³ã³ããŒãã³ããæå¹ã«ããŸãã
sudo percona-release enable tools experimental
- percona-dbaas-cli ããã±ãŒãžãã€ã³ã¹ããŒã«ããŸãã
sudo apt-get update sudo apt-get install percona-dbaas-cli
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ãŸããGoogle ã¢ã«ãŠã³ãã«ãã°ã€ã³ããå¿ èŠããããŸãã ããã«ãGoogle Cloud ã§ã¯ XNUMX 人ã®ãŠãŒã¶ãŒãå€æ°ã®ç¬ç«ãããããžã§ã¯ããæã€ããšãã§ããããããã®ãããžã§ã¯ãã®ã³ãŒãã䜿çšããŠäœæ¥ãããžã§ã¯ããæå®ããå¿ èŠããããŸãã
gcloud auth login
gcloud config set project hidden-brace-236921
次ã«ãã¯ã©ã¹ã¿ãŒãäœæããŸãã ãã¢çšã«ãXNUMX ã€ã®ããŒãã ããããªã Kubernetes ã¯ã©ã¹ã¿ãŒãäœæããŸãããããã¯é«å¯çšæ§ãå®çŸããããã«æäœéå¿ èŠãªããŒãã§ãã
gcloud container clusters create --zone us-central1-a your-cluster-name --cluster-version 1.15 --num-nodes=3
次㮠kubectl ã³ãã³ãã¯ãçŸåšã®ãŠãŒã¶ãŒã«å¿ èŠãªæš©éãä»äžããŸãã
kubectl create clusterrolebinding cluster-admin-binding-$USER
--clusterrole=cluster-admin --user=$(gcloud config get-value core/account)
次ã«ãåå空éãäœæããŠã¢ã¯ãã£ãã«ããŸãã åå空éã¯ã倧ãŸãã«èšãã°ããããžã§ã¯ããŸãã¯ç°å¢ã«äŒŒãŠããŸããããã§ã« Kubernetes ã¯ã©ã¹ã¿ãŒå ã«ãããŸãã ãã㯠Google Cloud ãããžã§ã¯ãããç¬ç«ããŠããŸãã
kubectl create namespace my-namespace
kubectl config set-context --current --namespace=my-namespace
ã¯ã©ã¹ã¿ãŒã®èµ·å
ãããã®ããã€ãã®æé ãå®äºãããšã次ã®ç°¡åãªã³ãã³ã㧠XNUMX ããŒã ã¯ã©ã¹ã¿ãŒãéå§ã§ããŸãã
# percona-dbaas mysql create-db example
Starting ......................................... [done]
Database started successfully, connection details are below:
Provider: k8s
Engine: pxc
Resource Name: example
Resource Endpoint: example-proxysql.my-namespace.pxc.svc.local
Port: 3306
User: root
Pass: Nt9YZquajW7nfVXTTrP
Status: ready
ã¯ã©ã¹ã¿ãŒã«æ¥ç¶ããæ¹æ³
ããã©ã«ãã§ã¯ãKubernetes å ã§ã®ã¿äœ¿çšã§ããŸãã ã€ãŸãããäœæãã³ãã³ããå®è¡ãããã®ãµãŒããŒããã¯ã¢ã¯ã»ã¹ã§ããŸããã ããšãã°ã¯ã©ã€ã¢ã³ãã§ã®ãã¹ããªã©ã§ããã䜿çšã§ããããã«ããã«ã¯ãããŒã ãããã³ã°ãéããŠããŒãã転éããå¿ èŠããããŸãã
kubectl port-forward svc/example-proxysql 3306:3306 $
次ã«ãMySQL ã¯ã©ã€ã¢ã³ããæ¥ç¶ããŸãã
mysql -h 127.0.0.1 -P 3306 -uroot -pNt9YZquajW7nfVXTTrP
é«åºŠãªã¯ã©ã¹ã¿ãŒç®¡çã³ãã³ã
ãããªãã¯IPäžã®ããŒã¿ããŒã¹
ã¯ã©ã¹ã¿ãŒã®å¯çšæ§ãããæ°žç¶çã«ç¢ºä¿ãããœãªã¥ãŒã·ã§ã³ãå¿ èŠãªå Žåã¯ãå€éš IP ã¢ãã¬ã¹ãååŸã§ããŸãã ãã®å ŽåãããŒã¿ããŒã¹ã«ã¯ã©ãããã§ãã¢ã¯ã»ã¹ã§ããŸãã ããã¯å®å šæ§ã¯äœããªããŸãããå€ãã®å Žåããã䟿å©ã§ãã å€éš IP ã®å Žåã¯ã次ã®ã³ãã³ãã䜿çšããŸãã
# percona-dbaas mysql create-db exposed
--options="proxysql.serviceType=LoadBalancer"
Starting ......................................... [done]
Database started successfully, connection details are below:
Provider: k8s
Engine: pxc
Resource Name: exposed
Resource Endpoint: 104.154.133.197
Port: 3306
User: root
Pass: k0QVxTr8EVfgyCLYse
Status: ready
To access database please run the following command:
mysql -h 104.154.133.197 -P 3306 -uroot -pk0QVxTr8EVfgyCLYse
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# percona-dbaas mysql create-db withpw --password=mypassword
Starting ......................................... [done]
Database started successfully, connection details are below:
Provider: k8s
Engine: pxc
Resource Name: withpw
Resource Endpoint: withpw-proxysql.my-namespace.pxc.svc.local
Port: 3306
User: root
Pass: mypassword
Status: ready
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# percona-dbaas mysql create-db singlenode
--options="proxysql.enabled=false, allowUnsafeConfigurations=true,pxc.size=1"
Starting ......................................... [done]
Database started successfully, connection details are below:
Provider: k8s
Engine: pxc
Resource Name: singlenode
Resource Endpoint: singlenode-pxc.my-namespace.pxc.svc.local
Port: 3306
User: root
Pass: 22VqFD96mvRnmPMGg
Status: ready
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