fdcd021e66
* Updated Helm chart to use hapi fhir image v6.6.0 * Updated maven base image due to openjdk deprecation * Removed superfluous app/main.war in entrypoint * Update curlimages/curl to 8.1.2
80 lines
2.7 KiB
Go Template
80 lines
2.7 KiB
Go Template
# HAPI FHIR JPA Server Starter Helm Chart
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{{ template "chart.versionBadge" . }}{{ template "chart.typeBadge" . }}{{ template "chart.appVersionBadge" . }}
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This helm chart will help you install the HAPI FHIR JPA Server in a Kubernetes environment.
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## Sample usage
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```sh
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helm repo add hapifhir https://hapifhir.github.io/hapi-fhir-jpaserver-starter/
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helm install hapi-fhir-jpaserver hapifhir/hapi-fhir-jpaserver
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```
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{{ template "chart.requirementsSection" . }}
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{{ template "chart.valuesSection" . }}
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## Development
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To update the Helm chart when a new version of the `hapiproject/hapi` image is released, [values.yaml](values.yaml) `image.tag` and the [Chart.yaml](Chart.yaml)'s
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`version` and optionally the `appVersion` field on major releases need to be updated. Afterwards, re-generate the [README.md](README.md)
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by running:
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```sh
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$ helm-docs
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INFO[2021-11-20T12:38:04Z] Found Chart directories [charts/hapi-fhir-jpaserver]
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INFO[2021-11-20T12:38:04Z] Generating README Documentation for chart /usr/src/app/charts/hapi-fhir-jpaserver
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```
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## Enable Distributed Tracing based on the OpenTelemtry Java Agent
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The container image includes the [OpenTelemetry Java agent JAR](https://github.com/open-telemetry/opentelemetry-java-instrumentation)
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which can be used to enable distributed tracing. It can be configured entirely using environment variables,
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see <https://opentelemetry.io/docs/instrumentation/java/automatic/agent-config/> for details.
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Here's an example setup deploying [Jaeger](https://www.jaegertracing.io/) as a tracing backend:
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```sh
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# required by the Jaeger Operator
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kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.9.1/cert-manager.yaml
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kubectl create namespace observability
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kubectl create -f https://github.com/jaegertracing/jaeger-operator/releases/download/v1.37.0/jaeger-operator.yaml -n observability
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cat <<EOF | kubectl apply -n observability -f -
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# simple, all-in-one Jaeger installation. Not suitable for production use.
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apiVersion: jaegertracing.io/v1
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kind: Jaeger
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metadata:
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name: simplest
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EOF
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```
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Use this chart's `extraEnv` value to set the required environment variables:
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```yaml
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extraEnv:
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- name: JAVA_TOOL_OPTIONS
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value: "-javaagent:/app/opentelemetry-javaagent.jar"
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- name: OTEL_METRICS_EXPORTER
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value: "none"
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- name: OTEL_LOGS_EXPORTER
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value: "none"
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- name: OTEL_TRACES_EXPORTER
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value: "jaeger"
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- name: OTEL_SERVICE_NAME
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value: "hapi-fhir-jpaserver"
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- name: OTEL_EXPORTER_JAEGER_ENDPOINT
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value: "http://simplest-collector.observability.svc:14250"
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```
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Finally, you can open the Jaeger query UI by running:
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```sh
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kubectl port-forward -n observability service/simplest-query 16686:16686
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```
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and opening <http://localhost:16686/> in your browser.
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{{ template "helm-docs.versionFooter" . }}
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