CI: Setup otel tracing for integration tests

This wires up the integration tests to export spans to a jager instance.
After tests are finished it exports the data out of jaeger and uploads
as an artifact to the action run.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>

.github/actions/setup-runner/action.yml

@@ -25,3 +25,12 @@ runs:
     - run: |
         docker info
       shell: bash
+    # TODO: Remove this step once the separate action is merged
+    # Github doesn't let you add a composite action and use it in the same PR (apparently)
+    # Ref: https://github.com/moby/moby/actions/runs/5581571995/jobs/10199909170?pr=45652#step:9:1
+    - run: |
+        set -e
+        docker run -d --net=host --name jaeger -e COLLECTOR_OTLP_ENABLED=true jaegertracing/all-in-one:1.46
+        docker0_ip="$(ip -f inet addr show docker0 | grep -Po 'inet \K[\d.]+')"
+        echo "OTEL_EXPORTER_OTLP_ENDPOINT=http://${docker0_ip}:4318" >> "${GITHUB_ENV}"
+      shell: bash

.github/actions/setup-tracing/action.yml

@@ -0,0 +1,12 @@
+name: 'Setup Tracing'
+description: 'Composite action to set up the tracing for test jobs'
+
+runs:
+  using: composite
+  steps:
+    - run: |
+        set -e
+        docker run -d --net=host --name jaeger -e COLLECTOR_OTLP_ENABLED=true jaegertracing/all-in-one:1.46
+        docker0_ip="$(ip -f inet addr show docker0 | grep -Po 'inet \K[\d.]+')"
+        echo "OTEL_EXPORTER_OTLP_ENDPOINT=http://${docker0_ip}:4318" >> "${GITHUB_ENV}"
+      shell: bash

.github/workflows/test.yml

@@ -226,6 +226,8 @@ jobs:
           tar -xzf /tmp/reports.tar.gz -C /tmp/reports
           sudo chown -R $(id -u):$(id -g) /tmp/reports
           tree -nh /tmp/reports
+
+          curl -sSLf localhost:16686/api/traces?service=integration-test-client > /tmp/reports/jaeger-trace.json
       -
         name: Test daemon logs
         if: always()
@@ -333,6 +335,8 @@ jobs:
           tar -xzf /tmp/reports.tar.gz -C $reportsPath
           sudo chown -R $(id -u):$(id -g) $reportsPath
           tree -nh $reportsPath
+
+          curl -sSLf localhost:16686/api/traces?service=integration-test-client > $reportsPath/jaeger-trace.json
       -
         name: Send to Codecov
         uses: codecov/codecov-action@v3
@@ -462,6 +466,8 @@ jobs:
           tar -xzf /tmp/reports.tar.gz -C $reportsPath
           sudo chown -R $(id -u):$(id -g) $reportsPath
           tree -nh $reportsPath
+
+          curl -sSLf localhost:16686/api/traces?service=integration-test-client > $reportsPath/jaeger-trace.json
       -
         name: Send to Codecov
         uses: codecov/codecov-action@v3