def graph_server(environ, start_response):
start = datetime.datetime.now()
content = ('Content-Type', 'text/plain')
remote = environ['REMOTE_HOST']
__query = parse_qs(environ['QUERY_STRING'])
try:
id_graph = int(escape(__query.get('graph', ['-1'])[0]))
except ValueError:
id_graph = -1
try:
width = float(escape(__query.get('width', ['8'])[0]))
except ValueError:
width = 8
try:
height = float(escape(__query.get('height', ['5'])[0]))
except ValueError:
height = 5
try:
scale = float(escape(__query.get('scale', ['1'])[0]))
except ValueError:
scale = 1
show_grid = escape(__query.get('grid', [''])[0]) == 'true'
show_legend = escape(__query.get('legend', [''])[0]) == 'true'
invert = escape(__query.get('invert', [''])[0]) == 'true'
if id_graph == -1:
body = 'Graph not specified'
else:
try:
api.login()
title = api.get_graph_title(id_graph)
if title is None:
body = 'Graph not found'
api.logout()
else:
print 'Generating graph \'{0}\' for {1}'.format(title, remote)
content = ('Content-Type', 'image/png')
graph = Graph()
api.get_graph(graph, title, id_graph)
figure = graph.plot_mpl(width, height, invert, show_grid,
show_legend)
figure.canvas.draw()
graph.close(figure)
image_buffer = StringIO.StringIO()
size = figure.canvas.get_width_height()
image = Image.fromstring('RGB', size,
figure.canvas.tostring_rgb())
if scale != 1:
scale_size = (int(size[0] * scale), int(size[1] * scale))
image = image.resize(scale_size, Image.ANTIALIAS)
image.save(image_buffer, 'PNG')
body = image_buffer.getvalue()
api.logout()
duration = datetime.datetime.now() - start
print 'Completed in {0}ms'.format(duration.microseconds / 1000)
except Zabbix_Error:
body = 'Zabbix Error'
headers = [content, ('Content-Length', str(len(body)))]
start_response('200 OK', headers)
return [body]
def graph_server(environ, start_response):
start = datetime.datetime.now()
content = ('Content-Type', 'text/plain')
remote = environ['REMOTE_HOST']
__query = parse_qs(environ['QUERY_STRING'])
try:
id_graph = int(escape(__query.get('graph', ['-1'])[0]))
except ValueError:
id_graph = -1
try:
width = float(escape(__query.get('width', ['8'])[0]))
except ValueError:
width = 8
try:
height = float(escape(__query.get('height', ['5'])[0]))
except ValueError:
height = 5
try:
scale = float(escape(__query.get('scale', ['1'])[0]))
except ValueError:
scale = 1
show_grid = escape(__query.get('grid', [''])[0]) == 'true'
show_legend = escape(__query.get('legend', [''])[0]) == 'true'
invert = escape(__query.get('invert', [''])[0]) == 'true'
if id_graph == -1:
body = 'Graph not specified'
else:
try:
api.login()
title = api.get_graph_title(id_graph)
if title is None:
body = 'Graph not found'
api.logout()
else:
print 'Generating graph \'{0}\' for {1}'.format(title, remote)
content = ('Content-Type', 'image/png')
graph = Graph()
api.get_graph(graph, title, id_graph)
figure = graph.plot_mpl(width, height, invert, show_grid,
show_legend)
figure.canvas.draw()
graph.close(figure)
image_buffer = StringIO.StringIO()
size = figure.canvas.get_width_height()
image = Image.fromstring('RGB', size,
figure.canvas.tostring_rgb())
if scale != 1:
scale_size = (int(size[0] * scale), int(size[1] * scale))
image = image.resize(scale_size, Image.ANTIALIAS)
image.save(image_buffer, 'PNG')
body = image_buffer.getvalue()
api.logout()
duration = datetime.datetime.now() - start
print 'Completed in {0}ms'.format(duration.microseconds / 1000)
except Zabbix_Error:
body = 'Zabbix Error'
headers = [content, ('Content-Length', str(len(body)))]
start_response('200 OK', headers)
return [body]
