Add list images action

Add list images action that shows a list of all the images in each
server and their properties

ogcp/templates/actions/list_images.html

@@ -0,0 +1,41 @@
+{% extends 'images.html' %}
+{% import "bootstrap/wtf.html" as wtf %}
+
+{% set btn_back = true %}
+
+{% block content %}
+
+<h1 class="m-5">{{_('List images')}}</h1>
+{% for r in responses %}
+    {% set server = r['server']['name']%}
+    {% set repos = r['repos'] %}
+    {% for repo in repos.values() %}
+        {% set repo_name = repo['name'] %}
+        {% set images = repo['images'] %}
+        {% if images %}
+        {{ repo_name }} ({{ server }})
+        <table class="table table-hover">
+        <thead class="thead-light">
+            <tr>
+                <th>Name</th>
+                <th>Size (MiB)</th>
+                <th>Datasize (MiB)</th>
+                <th>Last update</th>
+            </tr>
+        </thead>
+        <tbody class="text-left">
+            {% for img in images %}
+            <tr>
+                <th>{{img['name']}}</th>
+                <td>{{img['size'] / 1024 ** 2}}</td>
+                <td>{{img['datasize'] / 1024 ** 2}}</td>
+                <td>{{img['modified']}}</td>
+            </tr>
+            {% endfor %}
+        </tbody>
+        </table>
+        {% endif %}
+    {% endfor %}
+{% endfor %}
+
+{% endblock %}

ogcp/templates/images.html

@@ -60,6 +60,8 @@
 {% block commands %}
   <input class="btn btn-light" type="submit" value="{{ _('Image details') }}"
          form="imagesForm" formaction="{{ url_for('action_image_info') }}" formmethod="get">
+  <input class="btn btn-light" type="submit" value="{{ _('List images') }}"
+         form="imagesForm" formaction="{{ url_for('action_image_list') }}" formmethod="get">
   <input class="btn btn-light" type="submit" value="{{ _('Delete image') }}"
          form="imagesForm" formaction="{{ url_for('action_image_delete') }}" formmethod="get">
   {% if btn_back %}

ogcp/views.py

@@ -2504,6 +2504,31 @@ def user_delete_get():
     return render_template('auth/delete_user.html', form=form)
 
 
+@app.route('/action/image/list', methods=['GET'])
+@login_required
+def action_image_list():
+    params = request.args.to_dict()
+    ids = parse_elements(params)
+    server = get_server_from_ip_port(params['image-server'])
+    r = server.get('/images')
+    if not r:
+        return ogserver_down('images')
+    if r.status_code != requests.codes.ok:
+        return ogserver_error('images')
+    tmp = r.json()['images']
+    images = []
+    for img in tmp:
+        if img['id'] in ids:
+            images.append(img)
+    try:
+        images = get_images_grouped_by_repos()
+    except ServerError:
+        return ogserver_down('images')
+    except ServerErrorCode:
+        return ogserver_error('images')
+    return render_template('actions/list_images.html',
+                           responses=images)
+
 @app.route('/user/delete', methods=['POST'])
 @login_required
 def user_delete_post():