Add Snap fullnode daemon

ci/snap.sh

@@ -36,5 +36,8 @@ set -x
 echo --- build
 snapcraft
 
+source ci/upload_ci_artifact.sh
+upload_ci_artifact solana_*.snap
+
 echo --- publish
 $DRYRUN snapcraft push solana_*.snap --release $SNAP_CHANNEL

ci/upload_ci_artifact.sh

@@ -0,0 +1,18 @@
+# |source| me
+
+upload_ci_artifact() {
+  echo "--- artifact: $1"
+  if [[ -r "$1" ]]; then
+    ls -l "$1"
+    if ${BUILDKITE:-false}; then
+      (
+        set -x
+        buildkite-agent artifact upload "$1"
+      )
+    fi
+  else
+    echo ^^^ +++
+    echo "$1 not found"
+  fi
+}
+