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Add first Kubernetes example based on Bonita 10.0 / 2024.1
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‎README.md

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# Install Minikube
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```
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curl -LO https://storage.googleapis.com/minikube/releases/v1.33.1/minikube-linux-amd64
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sudo install minikube-linux-amd64 /usr/local/bin/minikube && rm minikube-linux-amd64
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```
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```
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minikube version
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minikube version: v1.33.1
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commit: 5883c09216182566a63dff4c326a6fc9ed2982ff
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```
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```
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minikube start --kubernetes-version 1.28.4
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```
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# Create test namespace
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```
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kubectl create ns bonita
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```
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# Deploy PostgreSQL
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```
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kubectl -n bonita create configmap db-scripts --from-file=db_scripts/
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kubectl -n bonita apply -f postgresql.yaml
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```
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Test connection
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```
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kubectl -n bonita run psql-client --image postgres:15.7 --rm --tty -i --command -- /bin/bash
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```
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```
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export PGPASSWORD=testpassword
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psql -h postgres-db -p 5432 -U postgres postgres
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postgres=# show max_connections;
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max_connections
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-----------------
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100
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(1 ligne)
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postgres=# \list
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List of databases
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Name | Owner | Encoding | Collate | Ctype | Access privileges
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-----------+------------+----------+------------+------------+-----------------------
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bizdata | bizuser | UTF8 | en_US.utf8 | en_US.utf8 |
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bonita | bonitauser | UTF8 | en_US.utf8 | en_US.utf8 |
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postgres | postgres | UTF8 | en_US.utf8 | en_US.utf8 |
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template0 | postgres | UTF8 | en_US.utf8 | en_US.utf8 | =c/postgres +
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| | | | | postgres=CTc/postgres
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template1 | postgres | UTF8 | en_US.utf8 | en_US.utf8 | =c/postgres +
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| | | | | postgres=CTc/postgres
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(5 rows)
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```
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# Deploy Bonita
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Add Docker registry credentials
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```
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DOCKER_SEVER=bonitasoft.jfrog.io
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DOCKER_USERNAME=...
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DOCKER_TOKEN=...
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kubectl create secret docker-registry imagepullsecret --docker-server="${DOCKER_SEVER}" --docker-username="${DOCKER_USERNAME}" --docker-password="${DOCKER_TOKEN}" -n bonita
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```
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Request a Bonita license compatible with Kubernetes into the [Customer service center](https://csc.bonitacloud.bonitasoft.com/apps/CustomerServices)
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Add this bonita license
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```
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cp BonitaSubscription-10.0-Test-20240312-20240908.lic bonita-license.lic
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kubectl -n bonita create configmap bonita-license --from-file=bonita-license.lic
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```
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```
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kubectl -n bonita create configmap bonita-scripts --from-file=bonita_scripts/
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```
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```
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kubectl -n bonita apply -f bonita_secrets.yaml
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kubectl -n bonita apply -f bonita_cm.yaml
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kubectl -n bonita create serviceaccount bonitaserviceaccount
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kubectl -n bonita apply -f bonita_rbac.yaml
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kubectl -n bonita apply -f bonita_deployment.yaml
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kubectl -n bonita apply -f bonita_service.yaml
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```
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Test connection
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```
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kubectl -n bonita port-forward service/bonita-test 8080:8080
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```
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Open http://127.0.0.1:8080 in your browser and use admin / myAdminSecret credentials.
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# Scale up Bonita
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Once bonita finished its startup
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```
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kubectl -n bonita logs --selector app.kubernetes.io/instance=bonita-test | grep "Server startup in" | jq .message
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"Server startup in [20896] milliseconds"
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```
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```
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kubectl -n bonita get deployment
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NAME READY UP-TO-DATE AVAILABLE AGE
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bonita-test 1/1 1 1 11m
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```
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You can scale up
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```
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kubectl -n bonita scale --current-replicas=1 --replicas=2 deployment/bonita-test
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```
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```
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kubectl -n bonita get deployment
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NAME READY UP-TO-DATE AVAILABLE AGE
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bonita-test 2/2 2 2 16m
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```
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In case of success you will have this kind of message
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```
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kubectl -n bonita logs --selector app.kubernetes.io/instance=bonita-test | grep Members | jq .message
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"[10.244.0.9]:5701 [bonita-test] [5.3.5] \n\nMembers {size:2, ver:2} [\n\tMember [10.244.0.9]:5701 - e633ecf6-a670-448b-bd69-f1fdab39299a this\n\tMember [10.244.0.10]:5701 - 90903a8a-c5d9-49f7-9021-e81e958e995a\n]\n"
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```
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# Clean test
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```
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kubectl delete ns bonita
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```

‎UNLICENSE

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This is free and unencumbered software released into the public domain.
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Anyone is free to copy, modify, publish, use, compile, sell, or
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distribute this software, either in source code form or as a compiled
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binary, for any purpose, commercial or non-commercial, and by any
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means.
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In jurisdictions that recognize copyright laws, the author or authors
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of this software dedicate any and all copyright interest in the
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software to the public domain. We make this dedication for the benefit
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of the public at large and to the detriment of our heirs and
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successors. We intend this dedication to be an overt act of
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relinquishment in perpetuity of all present and future rights to this
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software under copyright law.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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For more information, please refer to <https://unlicense.org>

‎bonita_cm.yaml

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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: bonita-test
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data:
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BDM_DS_CONNECTION_POOL_INITIAL_SIZE: "1"
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BDM_DS_CONNECTION_POOL_MAX_IDLE: "10"
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BDM_DS_CONNECTION_POOL_MAX_TOTAL: "20"
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BDM_DS_CONNECTION_POOL_MIN_IDLE: "1"
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BIZ_DB_NAME: bizdata
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BIZ_DB_USER: bizuser
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BONITA_DS_CONNECTION_POOL_INITIAL_SIZE: "2"
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BONITA_DS_CONNECTION_POOL_MAX_IDLE: "20"
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BONITA_DS_CONNECTION_POOL_MAX_TOTAL: "50"
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BONITA_DS_CONNECTION_POOL_MIN_IDLE: "2"
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BONITA_PLATFORM_PERSISTENCE_USE_SECOND_LEVEL_CACHE: "false"
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# 1 hour in seconds
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BONITA_RUNTIME_CLUSTER_HTTP_SESSION_TIMEOUT: "3600"
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# 1 hour in milliseconds
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BONITA_RUNTIME_SESSION_DURATION: "3600000"
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BONITA_SERVER_LOGGING_FILE: /opt/custom-init.d/log4j2-appenders.xml,/opt/bonita/conf/logs/log4j2-loggers.xml
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CLUSTER_MODE: "true"
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DB_HOST: postgres-db
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DB_NAME: bonita
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DB_PORT: "5432"
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DB_USER: bonitauser
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DB_VENDOR: postgres
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HTTP_API: "false"
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HTTP_MAX_THREADS: "20"
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JAVA_OPTS: -Djava.awt.headless=true -XX:+UseContainerSupport -XX:InitialRAMPercentage=60
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-XX:MaxRAMPercentage=60 -XX:MinRAMPercentage=60 -XX:+HeapDumpOnOutOfMemoryError
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-XX:+UseG1GC -Dbonita.client.home=/opt/bonita_lic
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KUBERNETES_NAME: bonita-test
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KUBERNETES_NAMESPACE: bonita
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REMOTE_IP_VALVE_ENABLED: "true"
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TZ: Europe/Paris

‎bonita_deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: bonita-test
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spec:
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progressDeadlineSeconds: 600
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replicas: 1
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revisionHistoryLimit: 10
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selector:
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matchLabels:
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app.kubernetes.io/instance: bonita-test
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app.kubernetes.io/name: bonita
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strategy:
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rollingUpdate:
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maxSurge: 25%
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maxUnavailable: 25%
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type: RollingUpdate
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template:
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metadata:
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labels:
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app.kubernetes.io/instance: bonita-test
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app.kubernetes.io/name: bonita
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spec:
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serviceAccountName: bonitaserviceaccount
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hostname: bonita
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containers:
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- envFrom:
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- secretRef:
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name: bonita-test-creds
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- configMapRef:
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name: bonita-test
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image: bonitasoft.jfrog.io/docker/bonita-subscription:10.0.0
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imagePullPolicy: IfNotPresent
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livenessProbe:
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failureThreshold: 10
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httpGet:
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httpHeaders:
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- name: Authorization
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value: Basic bW9uaXRvcmluZzpteU1vbml0b3JpbmdTZWNyZXQ=
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- name: User-Agent
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value: BonitaHealthCheck/1.0
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path: /bonita/healthz
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port: 8080
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scheme: HTTP
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periodSeconds: 15
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successThreshold: 1
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timeoutSeconds: 5
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name: bonita
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ports:
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- containerPort: 5701
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name: hazelcast
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protocol: TCP
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- containerPort: 8080
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name: bonita
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protocol: TCP
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resources:
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limits:
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cpu: 2
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memory: 2000Mi
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requests:
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cpu: 2
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memory: 2000Mi
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securityContext:
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runAsGroup: 1000
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runAsUser: 1000
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startupProbe:
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failureThreshold: 20
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httpGet:
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httpHeaders:
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- name: Authorization
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value: Basic bW9uaXRvcmluZzpteU1vbml0b3JpbmdTZWNyZXQ=
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- name: User-Agent
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value: BonitaHealthCheck/1.0
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path: /bonita/healthz
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port: 8080
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scheme: HTTP
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initialDelaySeconds: 120
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periodSeconds: 15
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successThreshold: 1
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timeoutSeconds: 5
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volumeMounts:
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- name: bonita-scripts
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mountPath: /opt/custom-init.d
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- name: bonita-lic
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mountPath: /opt/bonita_lic
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dnsPolicy: ClusterFirst
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imagePullSecrets:
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- name: imagepullsecret
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restartPolicy: Always
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schedulerName: default-scheduler
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securityContext: {}
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terminationGracePeriodSeconds: 30
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volumes:
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- name: bonita-scripts
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configMap:
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name: bonita-scripts
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items:
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- key: bonita_setup.sh
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path: bonita_setup.sh
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- key: log4j2-appenders.xml
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path: log4j2-appenders.xml
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- key: bonita-platform-sp-cluster-custom.properties
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path: bonita-platform-sp-cluster-custom.properties
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- name: bonita-lic
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configMap:
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name: bonita-license
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items:
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- key: bonita-license.lic
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path: bonita-license.lic

‎bonita_rbac.yaml

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apiVersion: rbac.authorization.k8s.io/v1
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kind: Role
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metadata:
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name: hazelcast-role
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rules:
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- apiGroups:
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- ""
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resources:
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- endpoints
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verbs:
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- get
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- list
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: RoleBinding
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metadata:
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name: hazelcast-role-binding
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: Role
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name: hazelcast-role
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subjects:
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- kind: ServiceAccount
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name: bonitaserviceaccount
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namespace: bonita

‎bonita_scripts/bonita-platform-sp-cluster-custom.properties

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bonita.cluster.group.name={{KUBERNETES_NAME}}
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bonita.platform.cluster.hazelcast.multicast.enabled=false
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bonita.platform.cluster.hazelcast.tcpip.enabled=false
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bonita.platform.cluster.hazelcast.aws.enabled=false
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bonita.platform.cluster.hazelcast.kubernetes.enabled=true
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bonita.platform.cluster.hazelcast.kubernetes.namespace={{KUBERNETES_NAMESPACE}}
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bonita.platform.cluster.hazelcast.kubernetes.serviceName={{KUBERNETES_NAME}}
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bonita.platform.cluster.hazelcast.kubernetes.resolveNotReadyAddresses=false
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bonita.platform.cluster.hazelcast.diagnostics.enabled=false
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bonita.platform.cluster.hazelcast.diagnostics.metric.level=info
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bonita.platform.cluster.hazelcast.partitionGroup.enabled=true
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bonita.platform.cluster.hazelcast.partitionGroup.groupType=ZONE_AWARE
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## Monitor locks on cluster
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org.bonitasoft.engine.monitoring.metrics.cluster.locks.enable=true

‎bonita_scripts/bonita_setup.sh

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#!/bin/sh
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set -euxo pipefail
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BONITA_DIR="/opt/bonita"
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# Use setup tool to configure Bonita Tomcat bundle
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cd ${BONITA_DIR}/setup
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./setup.sh pull
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# configure logging
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cp /opt/custom-init.d/log4j2-appenders.xml ${BONITA_DIR}/conf/logs/log4j2-appenders.xml
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# configure cluster
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if [[ "${CLUSTER_MODE}" == "true" ]]; then
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sed -e 's/{{KUBERNETES_NAME}}/'"${KUBERNETES_NAME}"'/g' \
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-e 's/{{KUBERNETES_NAMESPACE}}/'"${KUBERNETES_NAMESPACE}"'/g' \
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/opt/custom-init.d/bonita-platform-sp-cluster-custom.properties \
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> ${BONITA_DIR}/setup/platform_conf/current/platform_engine/bonita-platform-sp-cluster-custom.properties
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fi
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cd ${BONITA_DIR}/setup
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./setup.sh configure
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./setup.sh push

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