def add_worker():
if 'authorized' in session and session[
'authorized'] is True and 'type' in session and session[
'type'] == 'admin':
ScalingTool.spawn_one_instance()
dbm = DataBaseManager()
uth, dth, ex_ratio, s_ratio, mode = dbm.get_scaling_settings()
mode = 'manual'
dbm.scaling(str(int(uth)), str(int(dth)), str(int(ex_ratio)),
str(int(s_ratio)), mode)
return redirect(url_for('admin_main_landing'))
return redirect(url_for('index'))
def size_scaling():
if 'authorized' in session and session[
'authorized'] is True and 'type' in session and session[
'type'] == 'admin':
scale_up_load = request.form.get('uth')
scale_down_load = request.form.get('dth')
expand_ratio = request.form.get('ex_ratio')
shrink_ratio = request.form.get('s_ratio')
scale_mode = 'auto'
err_msg = []
dbm = DataBaseManager()
cpu_metrics = ScalingTool.get_instances_load()
if scale_up_load == "" or scale_down_load == "" or expand_ratio == "" or shrink_ratio == "":
msg = "Fields cannot be empty"
err_msg.append(msg)
return render_template('adminhome.html',
cpu_metrics=cpu_metrics,
err_msg=err_msg,
uth=scale_up_load,
dth=scale_down_load,
ex_ratio=expand_ratio,
s_ratio=shrink_ratio)
else:
if float(scale_up_load) < 0:
msg = 'Scale Up Load Should be Greater than 0'
err_msg.append(msg)
if float(scale_down_load) < 0:
msg = 'Scale Down Load Should be Greater than 0'
err_msg.append(msg)
if float(scale_up_load) < float(scale_down_load):
msg = 'Scale Up Load should be Greater than Scale Down Load'
err_msg.append(msg)
if float(expand_ratio) <= 1:
msg = 'Expand Ratio should be Greater than 1'
err_msg.append(msg)
if float(shrink_ratio) <= 1:
msg = 'Shrink Ratio should be Greater than 1'
err_msg.append(msg)
if not err_msg:
dbm.scaling(scale_up_load, scale_down_load, expand_ratio,
shrink_ratio, scale_mode)
return redirect(url_for('admin_main_landing'))
return render_template('adminhome.html',
cpu_metrics=cpu_metrics,
error=err_msg,
uth=scale_up_load,
dth=scale_down_load,
ex_ratio=expand_ratio,
s_ratio=shrink_ratio)
return redirect(url_for('index'))