From df84dc4548ba1d85152f12f72bdaf9ed259279e3 Mon Sep 17 00:00:00 2001
From: Pravar Agrawal <pravaag1@in.ibm.com>
Date: Sun, 11 Apr 2021 19:59:12 +0530
Subject: [PATCH] add verify script for defaulters gen

---
 Makefile                   |  1 +
 hack/verify-conversions.sh |  2 +-
 hack/verify-deep-copies.sh |  2 +-
 hack/verify-defaulters.sh  | 35 +++++++++++++++++++++++++++++++++++
 4 files changed, 38 insertions(+), 2 deletions(-)
 create mode 100755 hack/verify-defaulters.sh

diff --git a/Makefile b/Makefile
index 2687c57da..535ec3533 100644
--- a/Makefile
+++ b/Makefile
@@ -127,6 +127,7 @@ gen:
 verify-gen:
 	./hack/verify-conversions.sh
 	./hack/verify-deep-copies.sh
+	./hack/verify-defaulters.sh
 
 lint:
 ifndef HAS_GOLANGCI
diff --git a/hack/verify-conversions.sh b/hack/verify-conversions.sh
index 53e932cba..a86861ea8 100755
--- a/hack/verify-conversions.sh
+++ b/hack/verify-conversions.sh
@@ -28,7 +28,7 @@ pushd "${DESCHEDULER_ROOT}" > /dev/null 2>&1
 if ! _out="$(diff -Naupr pkg/ "${_deschedulertmp}/pkg/")"; then
     echo "Generated output differs:" >&2
     echo "${_out}" >&2
-    echo "Generated conversions verify failed. Please run ./hack/update-generated-conversions.sh (and commit the result)"
+    echo "Generated conversions verify failed. Please run ./hack/update-generated-conversions.sh"
     exit 1
 fi
 popd > /dev/null 2>&1
diff --git a/hack/verify-deep-copies.sh b/hack/verify-deep-copies.sh
index b560bd11e..254a8e465 100755
--- a/hack/verify-deep-copies.sh
+++ b/hack/verify-deep-copies.sh
@@ -28,7 +28,7 @@ pushd "${DESCHEDULER_ROOT}" > /dev/null 2>&1
 if ! _out="$(diff -Naupr pkg/ "${_deschedulertmp}/pkg/")"; then
     echo "Generated deep-copies output differs:" >&2
     echo "${_out}" >&2
-    echo "Generated deep-copies verify failed. Please run ./hack/update-generated-deep-copies.sh (and commit the result)"
+    echo "Generated deep-copies verify failed. Please run ./hack/update-generated-deep-copies.sh"
     exit 1
 fi
 popd > /dev/null 2>&1
diff --git a/hack/verify-defaulters.sh b/hack/verify-defaulters.sh
new file mode 100755
index 000000000..61d5597d9
--- /dev/null
+++ b/hack/verify-defaulters.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
+DESCHEDULER_ROOT=$(dirname "${BASH_SOURCE}")/..
+_tmpdir="$(mktemp -d "${DESCHEDULER_ROOT}/_tmp/kube-verify.XXXXXX")"
+
+_deschedulertmp="${_tmpdir}"
+mkdir -p "${_deschedulertmp}"
+
+git archive --format=tar --prefix=descheduler/ "$(git write-tree)" | (cd "${_deschedulertmp}" && tar xf -)
+_deschedulertmp="${_deschedulertmp}/descheduler"
+
+pushd "${_deschedulertmp}" > /dev/null 2>&1
+go build -o "${OS_OUTPUT_BINPATH}/defaulter-gen" "k8s.io/code-generator/cmd/defaulter-gen"
+
+${OS_OUTPUT_BINPATH}/defaulter-gen \
+            --go-header-file "hack/boilerplate/boilerplate.go.txt" \
+            --input-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api/v1alpha1" \
+            --extra-peer-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api/v1alpha1" \
+            --output-file-base zz_generated.defaults
+popd > /dev/null 2>&1
+
+pushd "${DESCHEDULER_ROOT}" > /dev/null 2>&1
+if ! _out="$(diff -Naupr pkg/ "${_deschedulertmp}/pkg/")"; then
+    echo "Generated defaulters output differs:" >&2
+    echo "${_out}" >&2
+    echo "Generated defaulters verify failed. Please run ./hack/update-generated-defaulters.sh"
+fi
+popd > /dev/null 2>&1
+
+echo "Generated Defaulters verified."