test: determine chart version based on manifest

Author: kb-newrelic

distributions/nrdot-collector-host/test/spec-local.yaml

@@ -5,7 +5,6 @@ description: nrdot-collector-host E2E Test
 scenarios:
   - description: receiver-based + internal Telemetry
     before:
-      - pwd
       - kubectl create ns nr-${SCENARIO_TAG}
       - cp ../../../examples/internal-telemetry-config.yaml ./relay
       - kubectl create configmap 'collector-config' --from-file=relay --namespace=nr-${SCENARIO_TAG}
@@ -15,8 +14,16 @@ scenarios:
         --from-literal="serviceName=nrdot-collector-host-e2e-internal" --from-literal="scenarioTag=${SCENARIO_TAG}"
       - "helm repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts || echo 'skipping repo add: open-telemetry repo already exists'"
       - |
+        collector_component_version=$(cat ../manifest.yaml | grep otlpreceiver | awk '{print $NF}')
+        chart_version=$(helm search repo open-telemetry/opentelemetry-collector --output=json --versions | jq -r ".[] | select (.app_version==\"${collector_component_version:1}\") | .version" | head -n1 )
+        if [[ -z "${chart_version}" ]]; then
+          chart_version="$(helm search repo open-telemetry/opentelemetry-collector --output=json | jq '.[0].version')"
+          echo "Chart matching collector component version ${collector_component_version} wasn't released (yet?). Using latest (${chart_version}) instead."
+        else
+          echo "Using chart version: ${chart_version}"
+        fi
         helm upgrade --install ${SCENARIO_TAG} open-telemetry/opentelemetry-collector \
-        --namespace nr-${SCENARIO_TAG} --version 0.128.0 \
+        --namespace nr-${SCENARIO_TAG} --version ${chart_version} \
         --values ./collector-values-internal-telemetry.yaml \
         --set image.tag=${IMAGE_TAG} \
         --set image.repository=${IMAGE_REPO}