Sample illustration of JAVA application with Micronaut and OCI Devops.

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Target Audience : Intermediate/Advanced towards OCI

Objective

• Create OCI Devops build pipeline.
• Build a Java Micronaut simple sample application.
• Push the artifact to OCI Container repo.
• Use OCI Deployment pipeline and deploy to OCI OKE.

Specific instructions to download only this sample.

    $ git init oci_devops_sample
    $ cd oci_devops_sample
    $ git remote add origin <url to this git repo>
    $ git config core.sparsecheckout true
    $ echo "oci-pipeline-examples/oci-java-micronaut-devops-example/*">>.git/info/sparse-checkout
    $ git pull --depth=1 origin main

Procedure

• Create an OCI container registry . https://docs.oracle.com/en-us/iaas/Content/Registry/home.htm

• Set policies & create a devops project - https://docs.oracle.com/en-us/iaas/Content/devops/using/home.htm.

• Create an OCI devops build pipeline. https://docs.oracle.com/en-us/iaas/Content/devops/using/create_buildpipeline.htm

• Create a OCI Connection with GITHUB using the PAT or move the code to OCI code repo. - https://docs.oracle.com/en-us/iaas/Content/devops/using/managing_coderepo.htm

• We need a code repo to build the managed build stage inside an OCI build pipeline.

• You may change the gradle version to latest by updating the values in the file gradle.properties.

• Add a managed build statge to the build pipeline. -

https://docs.oracle.com/en-us/iaas/Content/devops/using/add_buildstage.htm#add_buildstage

• Create Artifacts - one with the container repo URL and another one for the deployment spec (deployment_spec.yaml). - https://docs.oracle.com/en-us/iaas/Content/devops/using/artifacts.htm

• Add a deliver artifact stage to the OCI deployment using the artifact reference (with OCI container repo). - https://docs.oracle.com/en-us/iaas/Content/devops/using/add_deliverartifact.htm

• Create an OKE cluster ,or ensure you have one to use for the deployment. https://docs.oracle.com/en-us/iaas/Content/ContEng/home.htm

• Create an OCI Devops enviroment with OKE cluster. - https://docs.oracle.com/en-us/iaas/Content/devops/using/environments.htm

• Create a OCI deployment pipeline using the OKE cluster enviroment and the artifact (kubernetes manifest) created.

• Ensure to add below deployment parameters for the deployment pipeline.

• Connect the deployment pipeline with build pipeline by adding Invoke deployment stage to the existing OCI build pipeline.

• Final view of our build pipeline is as below .

• Do a test Run via Build pipeline >Manual Run.

• Connect to the OKE and fetch the Loadbalancer IP to validate the application .

• Launch a browser and use the URL http://< Loadbalancer IP >/hello

• You can validate the execution via build logs too

Contributors

• Author : Rahul M R.
• Colloboroators : NA
• Last release : Feb 2022

Back to examples.

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• 🍿 Back to OCI Devops Pipeline sample
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