Build Test Akka Cluster Metrics with sigar library. (#30453)

.github/workflows/nightly-cluster-metrics-sigar.yml

@@ -0,0 +1,43 @@
+name: Nightly Akka Cluster Metrics Test with Sigar
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  sbt:
+    name: Test Akka Cluster Metrics
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          # we don't know what commit the last tag was it's safer to get entire repo so previousStableVersion resolves
+          fetch-depth: 0
+      - name: Set up JDK 8
+        uses: olafurpg/setup-scala@v10
+        with:
+          java-version: adopt@1.8.0
+      - name: Test
+        run: |-
+          sbt -jvm-opts .jvmopts-ci \
+            -Djava.security.egd=file:/dev/./urandom \
+            -Dakka.test.sigar=true \
+            -Dakka.cluster.assert=on \
+            clean akka-cluster-metrics/test
+      - name: Email on failure
+        if: ${{ failure() }}
+        uses: dawidd6/action-send-mail@v3
+        with:
+          server_address: smtp.gmail.com
+          server_port: 465
+          # Using port 465 already sets `secure: true`
+          secure: true
+          username: ${{secrets.MAIL_USERNAME}}
+          password: ${{secrets.MAIL_PASSWORD}}
+          subject: PRValidation Failed (Akka)
+          to: akka.official@gmail.com
+          from: Akka CI (GHActions)
+          body: |
+            Nightly Akka Cluster Metrics Test with Sigar of ${{github.repository}} failed!
+            https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}

.jvmopts-ci

@@ -1,7 +1,6 @@
-# This is used to configure the sbt instance that Travis launches
+# This is used to configure the sbt instance that github actions launches
 
 -Xms2G
 -Xmx2G
 -Xss2M
 -XX:ReservedCodeCacheSize=256m
-

.sbtopts

@@ -1,2 +1,3 @@
 -J-Xmx3072M
 -J-Xms1024M
+-Dmultinode.XX:MetaspaceSize=128M