Feast Helm charts and build script

.prow/scripts/sync-helm-charts.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+
+# Script to sync local charts to remote helm repository in Google Cloud Storage
+# Copied from: https://github.com/helm/charts/blob/master/test/repo-sync.sh
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+log_error() {
+    printf '\e[31mERROR: %s\n\e[39m' "$1" >&2
+}
+
+# Assume working directory is Feast repository root folder
+repo_dir=infra/charts
+bucket=gs://feast-charts
+repo_url=https://feast-charts.storage.googleapis.com/
+sync_dir=/tmp/syncdir
+index_dir=/tmp/indexdir 
+
+rm -rf $sync_dir $index_dir
+
+echo "Syncing repo '$repo_dir'..."
+
+mkdir -p "$sync_dir"
+if ! gsutil cp "$bucket/index.yaml" "$index_dir/index.yaml"; then
+    log_error "Exiting because unable to copy index locally. Not safe to proceed."
+    exit 1
+fi
+
+exit_code=0
+
+for dir in "$repo_dir"/*; do
+    if helm dependency build "$dir"; then
+        helm package --destination "$sync_dir" "$dir"
+    else
+        log_error "Problem building dependencies. Skipping packaging of '$dir'."
+        exit_code=1
+    fi
+done
+
+if helm repo index --url "$repo_url" --merge "$index_dir/index.yaml" "$sync_dir"; then
+    # Move updated index.yaml to sync folder so we don't push the old one again
+    mv -f "$sync_dir/index.yaml" "$index_dir/index.yaml"
+
+    gsutil -m rsync "$sync_dir" "$bucket"
+
+    # Make sure index.yaml is synced last
+    gsutil cp "$index_dir/index.yaml" "$bucket"
+else
+    log_error "Exiting because unable to update index. Not safe to push update."
+    exit 1
+fi
+
+ls -l "$sync_dir"
+
+exit "$exit_code"