def indicate(self, context): cpu_threshold = CONF.loadbalancer_standart_deviation.threshold_cpu mem_threshold = CONF.loadbalancer_standart_deviation.threshold_memory compute_nodes = db.get_compute_node_stats(context) instances = [] # TODO: Make only one query that returns all instances placed on active # hosts. for node in compute_nodes: node_instances = db.get_instances_stat( context, node['hypervisor_hostname']) instances.extend(node_instances) compute_stats = utils.fill_compute_stats(instances, compute_nodes) host_loads = utils.calculate_host_loads(compute_nodes, compute_stats) LOG.debug(_(host_loads)) ram_sd = utils.calculate_sd(host_loads, 'mem') cpu_sd = utils.calculate_sd(host_loads, 'cpu') if cpu_sd > cpu_threshold or ram_sd > mem_threshold: extra_info = {'cpu_overload': False} if cpu_sd > cpu_threshold: overloaded_host = sorted(host_loads, key=lambda x: host_loads[x]['cpu'], reverse=True)[0] extra_info['cpu_overload'] = True else: overloaded_host = sorted(host_loads, key=lambda x: host_loads[x]['mem'], reverse=True)[0] host = filter( lambda x: x['hypervisor_hostname'] == overloaded_host, compute_nodes)[0] LOG.debug(_(host)) return host, compute_nodes, extra_info return [], [], {}
def indicate(self, context): cpu_threshold = CONF.loadbalancer_standart_deviation.threshold_cpu mem_threshold = CONF.loadbalancer_standart_deviation.threshold_memory compute_nodes = db.get_compute_node_stats(context) instances = [] # TODO: Make only one query that returns all instances placed on active # hosts. for node in compute_nodes: node_instances = db.get_instances_stat(context, node['hypervisor_hostname']) instances.extend(node_instances) compute_stats = utils.fill_compute_stats(instances, compute_nodes) host_loads = utils.calculate_host_loads(compute_nodes, compute_stats) LOG.debug(_(host_loads)) ram_sd = utils.calculate_sd(host_loads, 'mem') cpu_sd = utils.calculate_sd(host_loads, 'cpu') if cpu_sd > cpu_threshold or ram_sd > mem_threshold: extra_info = {'cpu_overload': False} if cpu_sd > cpu_threshold: overloaded_host = sorted(host_loads, key=lambda x: host_loads[x]['cpu'], reverse=True)[0] extra_info['cpu_overload'] = True else: overloaded_host = sorted(host_loads, key=lambda x: host_loads[x]['mem'], reverse=True)[0] host = filter( lambda x: x['hypervisor_hostname'] == overloaded_host, compute_nodes)[0] LOG.debug(_(host)) return host, compute_nodes, extra_info return [], [], {}
def indicate(self, context): compute_nodes = db.get_compute_node_stats(context) cpu_td = CONF.loadbalancer_step_threshold.cpu_threshold memory_td = CONF.loadbalancer_step_threshold.memory_threshold LOG.debug(_(cpu_td)) LOG.debug(_(memory_td)) for node in compute_nodes: cpu_used_percent = node['cpu_used_percent'] memory_used = node['memory_used'] memory_used_percent = round( (float(memory_used) / float(node['memory_total'])) * 100.00, 0) LOG.debug(_(cpu_used_percent)) LOG.debug(_(memory_used_percent)) if cpu_used_percent > cpu_td or memory_used_percent > memory_td: return node, compute_nodes, {} return [], [], {}
def indicate(self, context): compute_nodes = db.get_compute_node_stats(context) cpu_td = CONF.loadbalancer_step_threshold.cpu_threshold memory_td = CONF.loadbalancer_step_threshold.memory_threshold LOG.debug(_(cpu_td)) LOG.debug(_(memory_td)) for node in compute_nodes: cpu_used_percent = node['cpu_used_percent'] memory_used = node['memory_used'] memory_used_percent = round( (float(memory_used) / float(node['memory_total'])) * 100.00, 0 ) LOG.debug(_(cpu_used_percent)) LOG.debug(_(memory_used_percent)) if cpu_used_percent > cpu_td or memory_used_percent > memory_td: return node, compute_nodes, {} return [], [], {}