added gcp_sql_grant_instances_object_creator.sh

gcp_sql_grant_instances_object_creator.sh

@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+#  vim:ts=4:sts=4:sw=4:et
+#
+#  Author: Hari Sekhon
+#  Date: 2020-10-16 12:01:31 +0100 (Fri, 16 Oct 2020)
+#
+#  https://github.com/HariSekhon/bash-tools
+#
+#  License: see accompanying Hari Sekhon LICENSE file
+#
+#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
+#
+#  https://www.linkedin.com/in/HariSekhon
+#
+
+set -euo pipefail
+[ -n "${DEBUG:-}" ] && set -x
+srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# shellcheck disable=SC1090
+. "$srcdir/lib/utils.sh"
+
+# shellcheck disable=SC2034,SC2154
+usage_description="
+Grants all running non-replica SQL database instances in the current project objectCreator access to a GCS bucket for backup exports
+
+Can specify an explicit list to grant if wanting to grant to non-running instances or only a subset of instances
+
+This is necessary to back up Cloud SQL to GCS using the adjacent scripts. See
+
+    gcp_sql_export.sh
+    gcp_cloud_scheduler_sql_exports.sh
+
+See the Cloud Function at:
+
+    https://github.com/HariSekhon/DevOps-Python-tools
+
+
+This script is idempotent and safe to re-run
+"
+
+# used by usage() in lib/utils.sh
+# shellcheck disable=SC2034
+usage_args="<gcs_bucket> [<sql_instance1> <sql_instance2> ...]"
+
+help_usage "$@"
+
+no_more_opts "$@"
+
+min_args 1 "$@"
+
+gcs_bucket="$1"
+shift || :
+
+sql_instances="$*"
+
+if [ -z "$sql_instances" ]; then
+    sql_instances="$("$srcdir/gcp_sql_running_primaries.sh")"
+fi
+
+# Need to grant the Cloud SQL instance service accounts objectCreator to the bucket, not this cloud function account
+#timestamp "Granting Storage Object Creator on bucket '$bucket' to service account '$service_account'"
+#gsutil iam ch "serviceAccount:$service_account:objectCreator" "gs://$bucket"
+
+for sql_instance in $sql_instances; do
+    service_account="$(gcloud sql instances describe "$sql_instance" --format='get(serviceAccountEmailAddress)')"
+    timestamp "Granting instance '$sql_instance' service account '$service_account' objectCreator role to the backup bucket '$gcs_bucket'"
+    gsutil iam ch "serviceAccount:$service_account:objectCreator" "gs://$gcs_bucket"
+    echo >&2
+done
+timestamp "Grants completed"