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helm-umbrella-chart

Helm Umbrella Chart for Bahmni India Distro

Setting Bahmni K8s cluster using Minikube for development

Setup Developer Access to the Cluster on AWS EKS

NOTE: Below details are only relevant for cluster running on AWS EKS

Creating a User Group for EKS Cluster Admin Access

Create a new IAM group for developers

aws iam create-group --group-name bahmni_eks_developers

When IAM users are added to this group then they will get full access to resources in the EKS cluster.

Create an IAM role

Create Role with trust policy (first time)

aws iam create-role --role-name BahmniEKSDeveloperRoleForIAMUsers --assume-role-policy-document file://aws/roles/BahmniEKSDeveloperRoleForIAMUsers.json

Create Policies

aws/policies folder contains all custom policies applied to the AWS account.

Create a AssumeRole policy:

 aws iam create-policy --policy-name BahmniEKSDeveloperAssumeRolePolicy --policy-document file://aws/policies/BahmniEKSDeveloperAssumeRolePolicy.json

Create a BahmniEKSDeveloper policy:

aws iam create-policy --policy-name BahmniEKSDeveloper --policy-document file://aws/policies/BahmniEKSDeveloper.json

Note the policy arns

Next, Attach the BahmniEKSDeveloperAssumeRolePolicy to bahmni_eks_developers group.

aws iam attach-group-policy --group-name bahmni_eks_developers --policy-arn <POLICY_ARN>

Attach the BahmniEKSDeveloper to BahmniEKSDeveloperRoleForIAMUsers role.

aws iam attach-role-policy --policy-arn <POLICY_ARN> --role-name BahmniEKSDeveloperRoleForIAMUsers

Authorise kubectl with EKS

aws eks update-kubeconfig --name bahmni-cluster-dev

Apply Kubernetes Developer Cluster Role

kubectl apply -f k8s-rbac/eks-developer.yaml

Create Identity Mapping

eksctl create iamidentitymapping \
--cluster bahmni-cluster-nonprod \
--arn  arn:aws:iam::{YourAccountNumber}:role/BahmniEKSDeveloperRoleForIAMUsers \
--group eks-developer-group \
--username assume-role-user \
--no-duplicate-arns

Access RDS databases on AWS

NOTE: Below details are only relevant for cluster using database on AWS RDS

Prerequisite:

This is a one time setup. Configure your AWS CLI by following the steps here.

Connecting to Database:

  1. Navigate to the project root directory
  2. Set your AWS Profile: export AWS_PROFILE=bahmni-eks-developers (Change the profile name if you have configured aws credentials with a different profile)
  3. Set your AWS Region: export AWS_REGION=ap-south-1
  4. Run the script connectmysqlrds.sh
./connectmysqlrds.sh <environment-name> <application-name>

e.g
./connectmysqlrds.sh dev openmrs

View JVM metrics in Grafana

The JVM metrics for OpenMRS is fetched and displayed on route /metrics in port 8280 with the help of jmx-exporter. Information related to heap space, GC count CPU load are provided in this route, which is visualised in Grafana with the help of JVM dashboard.

  • Sign in to monitoring environment
  • Open Dashboards → Import
  • Add the following ID (8563) to use JVM dashboard
  • Click load button
  • This would bring up the JVM dashboard containing visualised information of the JVM metrices.