def metadata(req,scene=None,filename=None):
""" show auxilliary metadata files for scenes """
# init AWS module
aws = AWS()
aws.set_scene(scene)
attr = aws.get_scene_attributes()
# make sure that name of scene is valid
if not aws.is_valid_scene_name(scene):
return "Error: invalid scene requested."
# make sure that filename is valid
if not filename in aws.get_metadata_filenames():
return "Error: invalid filename requested"
# strip qi/ subdirectory from cloudmask
filename = re.sub('qi/','',filename)
# link original file to temporary directory and redirect
in_path = "%s/%s/metadata/%s_%s" % (aws.get_basedir(),attr['tile'],scene,filename)
out_path = "/home/institut/www/html/data/sentinel2/metatmp/%s_%s" % (scene,filename)
out_url = re.sub('/home/institut/www/html','',out_path)
if os.path.exists(in_path):
if not os.path.exists(out_path):
os.symlink(in_path,out_path)
redirect(req,out_url)
else:
return "Error: File %s for scene %s does not exist." % (filename,scene)
# init AWS library
aws = AWS(args.quiet)
aws.set_tile(args.tile)
# (re)add MongoDB tile description
conn = MongoClient('localhost', 27017)
mdb = conn.sentinel2
mdb.aws_tilesMonitored.remove({'tile' : args.tile})
mdb.aws_tilesMonitored.insert({'tile' : args.tile,'description' : args.description})
if not args.quiet:
print "UPDATE sentinel2.tilesMonitored OK"
conn.close()
# remove existing content if needed
if os.path.exists("%s/%s" % (aws.get_basedir(),args.tile)):
if args.overwrite:
# remove existing content
if not args.quiet:
print "removing %s/%s" % (aws.get_basedir(),args.tile)
shutil.rmtree("%s/%s" % (aws.get_basedir(),args.tile))
else:
print "WARNING: tile %s already exists. Use --overwrite to force rebuilding" % args.tile
sys.exit()
# get metadata for all available scenes
os.system("/usr/bin/python %s/02_aws_get_metadata.py --tiles=%s --rebuild %s" % (
os.path.dirname(os.path.realpath(__file__)),
args.tile,
('--quiet' if args.quiet else '')
))
# parse commandline arguments
parser = argparse.ArgumentParser(description='remove all metadata, data and MongoDB description for a given Sentinel-2 tile')
parser.add_argument('--tile', dest='tile', required=True, help='MGRS tilename(s) to remove (e.g. 32TPT)')
parser.add_argument('--quiet', dest='quiet', action="store_true", default=False, help='run quietly')
args = parser.parse_args()
# init AWS library
aws = AWS(args.quiet)
aws.set_tile(args.tile)
# remove MongoDB tile description and metadata
conn = MongoClient('localhost', 27017)
mdb = conn.sentinel2
mdb.aws_tilesMonitored.remove({'tile' : args.tile})
mdb.aws_tileInfo.remove({'_name' : args.tile})
if not args.quiet:
print "DELETE sentinel2.tilesMonitored OK"
print "DELETE sentinel2.aws_tileInfo OK"
conn.close()
# remove all metadata and data stored in the filesystem
if os.path.exists("%s/%s" % (aws.get_basedir(),args.tile)):
# remove existing content
if not args.quiet:
print "removing %s/%s" % (aws.get_basedir(),args.tile)
shutil.rmtree("%s/%s" % (aws.get_basedir(),args.tile))
