def system_page(request):
## list rendering
print('####### system page request ########')
print(request.GET)
levels = [ 'server', 'item' ]
system_list = []
item_list = [ 'brief', 'cpu', 'memory', 'swap', 'disk', 'net', 'resource' ]
system_list = common.core.get_client_list()
system_list.sort()
js_chart_list = _make_static_chart_list(request.GET, 'system', levels, [ system_list, item_list ])
# chart data
chart = chart_js_renderer()
js_chart_data = ''
chart_data_list = []
start_ts, end_ts = _get_ts(request.GET)
if 'server' in request.GET and request.GET['server'] != '' and 'item' in request.GET and request.GET['item'] != '':
loader_list_path = common.core.system_view(request.GET['server'], request.GET['item'])
for loader in loader_list_path:
ts = int(time.time())
chart_data_list += loader.load(start_ts, end_ts)
js_chart_data = ''
for chart_data in chart_data_list:
js_chart_data += chart.render(chart_data)
## make view
variables = RequestContext(request, { 'main_link':_make_main_link(), 'chart_list':js_chart_list, 'chart_data':js_chart_data } )
return render_to_response('system_page.html', variables)
def chart_page(request):
print('####### chart page request ########')
param = request.GET
print(param)
## list rendering
levels, chart_map = common.core.get_chart_list(param)
if (len(levels) == 0):
variables = RequestContext(request, { 'main_link':_make_main_link(), 'chart_list':'', 'chart_data':'' } )
return render_to_response('chart_page.html', variables)
js_chart_list = _make_dynamic_chart_list(param, 'chart', levels, chart_map)
print(levels)
# case 1. not selected anyone
if levels[0] not in param:
#print('## return chart map')
variables = RequestContext(request, { 'main_link':_make_main_link(), 'chart_list':js_chart_list } )
return render_to_response('chart_page.html', variables)
# case 2. partialy selected
if levels[-1] not in param:
ret = chart_map
for level in levels:
if level in param:
if isinstance(ret, dict) and param[level] in ret:
ret = ret[param[level]]
else:
ret = []
break
else:
break
#print('## return json: ' + json.dumps(ret))
return HttpResponse(json.dumps(ret))
# case 3. select all (make data)
ret = common.core.get_chart_data(param)
#print(ret)
if ret == None:
variables = RequestContext(request, { 'main_link':_make_main_link(), 'chart_data':'Unknown chart id'} )
return render_to_response('chart_page.html', variables)
loaders = ret
## chart rendering
chart = chart_js_renderer()
chart_data_list = []
start_ts, end_ts = _get_ts(request.GET)
if not isinstance(loaders, list):
loaders = [loaders]
for loader in loaders:
chart_data_list += loader.load(start_ts, end_ts)
js_chart_data = ''
for chart_data in chart_data_list:
js_chart_data += chart.render(chart_data)
## make view
variables = RequestContext(request, { 'main_link':_make_main_link(), 'chart_list':js_chart_list, 'chart_data':js_chart_data } )
return render_to_response('chart_page.html', variables)
def expr_page(request):
levels, chart_map = common.core.get_chart_list(request.GET) # for init (preload cloud map)
print('####### expr page request ########')
if request.method == 'POST':
param = request.POST
else:
param = request.GET
print(param)
expr = ''
expr_form = chart_expr_form(data=param)
if expr_form.is_valid():
expr = expr_form.cleaned_data['expr']
print('## expr: %s' % expr)
## make view
## eval expression
js_chart_data = ''
if request.method == 'POST' and expr != '':
try:
x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
if x_forwarded_for:
ip = x_forwarded_for.split(',')[0]
else:
ip = request.META.get('REMOTE_ADDR')
syslog('[hubblemon-expr_page:%s] %s' % (ip, query))
loader = eval(expr)
#print(loader)
if isinstance(loader, list) or isinstance(loader, tuple):
loaders = loader
else:
loaders = [loader]
## chart rendering
chart = chart_js_renderer()
start_ts, end_ts = _get_ts(param)
for loader in loaders:
if hasattr(loader, 'load'):
chart_data_list = loader.load(start_ts, end_ts)
for chart_data in chart_data_list:
js_chart_data += chart.render(chart_data)
else:
js_chart_data += str(loader)
except Exception as e:
js_chart_data = '''
<p>evaluation error</p>
<p>source: %s</p>
<p>exception: %s</p>
''' % (expr, str(e))
## set time range
start_date = ''
end_date = ''
if 'start_date' in param:
start_date = param['start_date']
if 'end_date' in param:
end_date = param['end_date']
date_range = '''<input type="hidden" name="start_date" value="%s">
<input type="hidden" name="end_date" value="%s">''' % (start_date, end_date)
js_chart_list = _make_time_range(param, "'/expr?expr=%s'" % urllib.parse.quote(expr))
## make view
variables = RequestContext(request, { 'main_link':_make_main_link(), 'expr_form':expr_form, 'date_range':date_range, 'chart_list':js_chart_list, 'chart_data':js_chart_data} )
return render_to_response('expr_page.html', variables)
