ogcp: add support to run scripts in clients

Add view at /action/script/run to visualize the available scripts
and run a single script file in the selected clients.

Use shell/list to request the script list and shell/run API call
to request the execution.

ogcp/forms/action_forms.py

@@ -147,6 +147,15 @@ class ClientMoveForm(FlaskForm):
     scopes = SelectField(label=_l('Scopes'), validate_choice=False)
     submit = SubmitField(label=_l('Submit'))
 
+class RunScriptForm(FlaskForm):
+    ips = HiddenField()
+    script = SelectField(label=_l('Script'),
+                                  choices=[],
+                                  validators=[InputRequired()],
+                                  validate_choice=False)
+    arguments = StringField(label=_l('Arguments'))
+    submit = SubmitField(label=_l('Submit'))
+
 class ImportClientsForm(FlaskForm):
     server = HiddenField()
     room = SelectField(label=_l('Room'))

ogcp/templates/actions/script_run.html

@@ -0,0 +1,25 @@
+{% extends 'commands.html' %}
+{% import "bootstrap/wtf.html" as wtf %}
+{% import "macros.html" as macros %}
+
+{% set sidebar_state = 'disabled' %}
+{% set btn_back = true %}
+
+{% block nav_client %} active {% endblock %}
+{% block nav_script_run %} active {% endblock %}
+{% block content %}
+
+{% set ip_list = form.ips.data.split(' ') %}
+{% set ip_count = ip_list | length %}
+<h1 class="m-5">
+  {{ _('Run script for %(ip_count)d client(s)', ip_count=ip_count) }}
+</h1>
+
+{{ macros.cmd_selected_clients(selected_clients) }}
+
+{{ wtf.quick_form(form,
+                  method='post',
+                  button_map={'submit': 'primary'},
+                  extra_classes="mx-5") }}
+
+{% endblock %}

ogcp/templates/commands.html

@@ -87,6 +87,15 @@
     </div>
   </div>
 
+  <div class="dropdown btn">
+    <button class="btn btn-secondary btn-light dropdown-toggle{% block nav_script %}{% endblock %}" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-expanded="false">
+	    {{ _('Script') }}
+    </button>
+    <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
+    <input class="btn btn-light dropdown-item{% block nav_run_script %}{% endblock %}" type="submit" value="{{ _('Run') }}"
+           form="scopesForm" formaction="{{ url_for('action_run_script') }}" formmethod="get">
+  </div>
+
   <div class="dropdown btn">
     <button class="btn btn-secondary btn-light dropdown-toggle{% block nav_logs %}{% endblock %}" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-expanded="false">
       Logs

ogcp/views.py

@@ -14,7 +14,7 @@ from ogcp.forms.action_forms import (
     RoomForm, DeleteRoomForm, CenterForm, DeleteCenterForm, OgliveForm,
     GenericForm, SelectClientForm, ImageUpdateForm, ImportClientsForm,
     ServerForm, DeleteRepositoryForm, RepoForm, FolderForm, CacheForm,
-    ClientMoveForm
+    ClientMoveForm, RunScriptForm
 )
 from flask_login import (
     current_user, LoginManager,
@@ -1812,6 +1812,75 @@ def action_client_delete():
         else:
             return redirect(url_for('scopes'))
 
+@app.route('/action/script/run', methods=['GET', 'POST'])
+@login_required
+def action_run_script():
+    form = RunScriptForm(request.form)
+    if request.method == 'POST':
+        ips = form.ips.data.split(' ')
+        if not validate_elements(ips):
+            return redirect(url_for('commands'))
+
+        arguments = form.arguments.data.split(' ')
+        cmd_elems = [form.script.data] + arguments
+
+        payload = {
+            'clients': ips,
+            'run': ';|\n\r'.join(cmd_elems),
+            'echo': True
+        }
+        server = get_server_from_clients(ips)
+        r = server.post('/shell/run', payload)
+
+        if not r:
+            return ogserver_down('commands')
+        if r.status_code != requests.codes.ok:
+            return ogserver_error('commands')
+
+        flash(_('Script run sent successfully'), category='info')
+        return redirect(url_for('commands'))
+    else:
+        ips = parse_elements(request.args.to_dict())
+        form.ips.data = " ".join(ips)
+        if not validate_elements(ips):
+            return redirect(url_for('commands'))
+
+        server = get_server_from_clients(ips)
+        different_setups = False
+        reference_patitioning = None
+        for ip in ips:
+            r = server.get('/client/setup', payload={'client': [ip]})
+            if not r:
+                return ogserver_down('commands')
+            if r.status_code != requests.codes.ok:
+                return ogserver_error('commands')
+
+            partitions = r.json()['partitions'][1:]
+            if not reference_patitioning:
+                reference_patitioning = partitions
+            elif reference_patitioning != partitions:
+                different_setups = True
+
+        if different_setups:
+            flash(_('Some clients don\'t have same configuration'), category='info')
+
+        r = server.get('/shell/list')
+        if not r:
+            return ogserver_down('commands')
+        if r.status_code != requests.codes.ok:
+            return ogserver_error('commands')
+
+        scripts = r.json()['scripts']
+
+        for script in scripts:
+            form.script.choices.append((script, script))
+
+        scopes, clients = get_scopes(set(ips))
+        selected_clients = list(get_selected_clients(scopes['scope']).items())
+        return render_template('actions/script_run.html', form=form,
+                                selected_clients=selected_clients,
+                                scopes=scopes)
+
 def get_clients_modes(ips, server):
     modes = {}
     for ip in ips: