chore(datadog_agent source, datadog_metrics sink): Add end to end tests with the Datadog Agent for metrics.

.github/actions/spelling/allow.txt

@@ -52,6 +52,7 @@ dkr
 Dockerfiles
 DOOV
 Douban
+E2ETest
 Enot
 Evercoss
 Explay

.github/workflows/changes.yml

@@ -45,7 +45,7 @@ on:
       k8s:
         value: ${{ jobs.source.outputs.k8s }}
       all-int:
-        value: ${{ jobs.int_tests.outputs.all-int }}
+        value: ${{ jobs.int_tests.outputs.all-tests }}
       amqp:
         value: ${{ jobs.int_tests.outputs.amqp }}
       appsignal:
@@ -116,9 +116,11 @@ on:
         value: ${{ jobs.int_tests.outputs.webhdfs }}
       # e2e tests
       all-e2e:
-        value: ${{ jobs.e2e_tests.outputs.all-e2e }}
+        value: ${{ jobs.e2e_tests.outputs.all-tests }}
       e2e-datadog-logs:
         value: ${{ jobs.e2e_tests.outputs.datadog-logs }}
+      e2e-datadog-metrics:
+        value: ${{ jobs.e2e_tests.outputs.datadog-metrics }}
 
 jobs:
   # Detects changes that are not specific to integration tests
@@ -193,7 +195,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ inputs.int_tests }}
     outputs:
-      all-int: ${{ steps.filter.outputs.all-int}}
+      all-tests: ${{ steps.filter.outputs.all-tests}}
       amqp: ${{ steps.filter.outputs.amqp }}
       appsignal: ${{ steps.filter.outputs.appsignal}}
       aws: ${{ steps.filter.outputs.aws }}
@@ -249,16 +251,17 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ inputs.e2e_tests }}
     outputs:
-      all-e2e: ${{ steps.filter.outputs.all-int}}
-      datadog-logs: ${{ steps.filter.outputs.e2e-datadog-logs }}
+      all-tests: ${{ steps.filter.outputs.all-tests}}
+      datadog-logs: ${{ steps.filter.outputs.datadog-logs }}
+      datadog-metrics: ${{ steps.filter.outputs.datadog-metrics }}
     steps:
       - uses: actions/checkout@v3
 
       # creates a yaml file that contains the filters for each test,
       # extracted from the output of the `vdev int ci-paths` command, which
       # sources the paths from the scripts/integration/.../test.yaml files
       - name: Create filter rules for e2e tests
-        run: cargo vdev int ci-paths > int_test_filters.yaml
+        run: cargo vdev e2e ci-paths > int_test_filters.yaml
 
       - uses: dorny/paths-filter@v2
         id: filter

.github/workflows/e2e.yml

@@ -51,6 +51,7 @@ jobs:
       github.event_name == 'schedule' || (
           needs.changes.outputs.all-e2e == 'true'
             || needs.changes.outputs.e2e-datadog-logs == 'true'
+            || needs.changes.outputs.e2e-datadog-metrics == 'true'
         )
       )
     timeout-minutes: 45
@@ -81,7 +82,17 @@ jobs:
         with:
           timeout_minutes: 35
           max_attempts: 3
-          command: bash scripts/ci-integration-test.sh e2e-datadog-logs
+          command: bash scripts/ci-int-e2e-test.sh e2e datadog-logs
+
+      - if: (github.event_name == 'schedule' || needs.changes.outputs.all-e2e == 'true' || needs.changes.outputs.e2e-datadog-metrics == 'true') &&
+          (github.event_name != 'pull_request' || env.PR_HAS_ACCESS_TO_SECRETS == 'true')
+        name: e2e-datadog-metrics
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 35
+          max_attempts: 3
+          command: bash scripts/ci-int-e2e-test.sh e2e datadog-metrics
+
 
   e2e-test-suite:
     name: E2E Test Suite