Add infra to publish metrics tarball

metrics/create-metrics-tarball.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -e
+
+cd "$(dirname "$0")/.."
+
+echo --- Creating metrics tarball
+(
+  set -x
+  rm -rf solana-metrics/
+  mkdir solana-metrics/
+
+  COMMIT="$(git rev-parse HEAD)"
+
+  (
+    echo "commit: $COMMIT"
+  ) > solana-metrics/version.yml
+
+  cp -a metrics/scripts/* solana-metrics
+
+  tar jvcf solana-metrics.tar.bz2 solana-metrics/
+)
+
+ls -hl "$PWD"/solana-metrics.tar.bz2