Strict option for cogeo validation

rio_cogeo/cogeo.py

@@ -280,14 +280,16 @@ def cog_translate(
                 copy(tmp_dst, dst_path, copy_src_overviews=True, **dst_kwargs)
 
 
-def cog_validate(src_path):
+def cog_validate(src_path, strict=False):
     """
     Validate Cloud Optimized Geotiff.
 
     Parameters
     ----------
     src_path : str or PathLike object
         A dataset path or URL. Will be opened in "r" mode.
+    strict: bool
+        Treat warnings as errors
 
     This script is the rasterio equivalent of
     https://svn.osgeo.org/gdal/trunk/gdal/swig/python/samples/validate_cloud_optimized_geotiff.py
@@ -436,4 +438,7 @@ def cog_validate(src_path):
 
         return False
 
+    if warnings and strict:
+        return False
+
     return True

rio_cogeo/scripts/cli.py

@@ -231,9 +231,12 @@ def create(
 
 @cogeo.command(short_help="Validate COGEO")
 @options.file_in_arg
-def validate(input):
+@click.option(
+    "--strict", default=False, is_flag=True, help="Treat warnings as errors.",
+)
+def validate(input, strict):
     """Validate Cloud Optimized Geotiff."""
-    if cog_validate(input):
+    if cog_validate(input, strict=strict):
         click.echo("{} is a valid cloud optimized GeoTIFF".format(input))
     else:
         click.echo("{} is NOT a valid cloud optimized GeoTIFF".format(input))