add binary size check script, makefile target, and added to CI (#2209)

Makefile

@@ -29,3 +29,7 @@ generate: build/data
 
 build/data:
 	mkdir -p $@
+
+.PHONY: binary-size-check
+binary-size-check:
+	scripts/binary_size_check.sh

scripts/binary_size_check.sh

+#!/bin/sh
+
+set -e
+
+if [ "${DEBUG}" = 1 ]; then
+    set -x
+fi
+
+MAX_BINARY_SIZE=61000000
+SIZE=$(ls -l dist/artifacts/k3s | awk -F ' ' '{print $5}')
+
+if [ ${SIZE} -gt ${MAX_BINARY_SIZE} ]; then
+    echo "k3s binary exceeds acceptable size of "${MAX_BINARY_SIZE}
+    exit 1
+fi
+
+exit 0

scripts/ci

@@ -7,5 +7,7 @@ cd $(dirname $0)
 if [ -z "$SKIP_VALIDATE" ]; then
     ./validate
 fi
+
 ./build
 ./package
+./binary_size_check.sh