bootstrap within composite action (#1461)

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

.github/scripts/coverage.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+import subprocess
+import sys
+import shlex
+
+
+class bcolors:
+    HEADER = '\033[95m'
+    OKBLUE = '\033[94m'
+    OKCYAN = '\033[96m'
+    OKGREEN = '\033[92m'
+    WARNING = '\033[93m'
+    FAIL = '\033[91m'
+    ENDC = '\033[0m'
+    BOLD = '\033[1m'
+    UNDERLINE = '\033[4m'
+
+
+if len(sys.argv) < 3:
+    print("Usage: coverage.py [threshold] [go-coverage-report]")
+    sys.exit(1)
+
+
+threshold = float(sys.argv[1])
+report = sys.argv[2]
+
+
+args = shlex.split(f"go tool cover -func {report}")
+p = subprocess.run(args, capture_output=True, text=True)
+
+percent_coverage = float(p.stdout.splitlines()[-1].split()[-1].replace("%", ""))
+print(f"{bcolors.BOLD}Coverage: {percent_coverage}%{bcolors.ENDC}")
+
+if percent_coverage < threshold:
+    print(f"{bcolors.BOLD}{bcolors.FAIL}Coverage below threshold of {threshold}%{bcolors.ENDC}")
+    sys.exit(1)