Add list4vrt helper

.dockerignore

@@ -1,5 +1,6 @@
 *
 !npm-packages
+!bin/
 !webpack.config.js
 !commons/c2cgeoportal_commons/
 !commons/setup.py

Dockerfile.mako

@@ -28,6 +28,7 @@ RUN \
   done && \
   curl --output /opt/jasperreport.xsd http://jasperreports.sourceforge.net/xsd/jasperreport.xsd
 
+COPY bin/list4vrt /usr/bin/
 COPY commons /opt/c2cgeoportal_commons
 COPY geoportal /opt/c2cgeoportal_geoportal
 COPY admin /opt/c2cgeoportal_admin

bin/list4vrt

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+import boto3
+import os
+import argparse
+
+
+def main():
+    parser = argparse.ArgumentParser(description='Get the list of geotiff files for `gdalbuildvrt`')
+    parser.add_argument('bucket')
+    parser.add_argument('prefix')
+    parser.add_argument('postfix', default='.bt')
+    args = parser.parse_args()
+
+    session = boto3.session.Session()
+
+    s3_client = session.client(
+        service_name='s3',
+        endpoint_url=f"https://{os.environ['AWS_S3_ENDPOINT']}/",
+        region_name=os.environ['AWS_DEFAULT_REGION']
+    )
+    keys = [i['Key'] for i in s3_client.list_objects(Bucket=args.bucket, Prefix=args.prefix)['Contents']]
+    filtered_keys = list(filter(lambda i: i.endswith(args.postfix), keys))
+    full_keys = [f'/vsis3/{args.bucket}/{i}' for i in filtered_keys]
+    print('\n'.join(full_keys))
+
+
+main()

doc/integrator/objectstorage.rst

@@ -37,10 +37,9 @@ Create the vrt file for a raster layer:
 
 .. prompt:: bash
 
-   gdalbuildvrt `aws --endpoint-url https://sos-ch-dk-2.exo.io/ ${'\\'}
-        --region ch-dk-2 s3 ls s3://<bucket>/<folder>/*.geotiff ${'\\'}
-        |awk '{print $4}'` s3://<bucket>/<folder>/index.vrt
-
+   docker-compose exec geoportal ${'\\'}
+        gdalbuildvrt /vsis3/<bucket>/<folder>/index.vrt ${'\\'}
+        $(list4vrt <bucket> <folder>/)
 
 MapServer
 ---------