Exemple #1
0
    args = parser.parse_args()

    slave_location = args.slave

    monitor_endpoint = 'http://%s/%s' % (slave_location, args.slave_monitor)
    metrics_endpoint = 'http://%s/%s' % (slave_location, args.slave_metrics)
    slave_endpoint = 'http://%s/%s' % (slave_location, args.slave_state)
    influx_endpoint = 'http://%s/db/%s/series?u=%s&p=%s' % (
        args.influxdb_host, args.influxdb_name, args.influxdb_user, args.influxdb_password)

    # One second sample rate.
    sample_rate = 1

    # Get slave state object once to tag samples.
    slave_state = nibbler.json_from_url(slave_endpoint)
    slave_id = slave_state['id']

    samples = {}
    sample_count = 0

    # Sample loop.
    while True:
        # If InfluxDB failed over, make sure database is available.
        if sample_count % 10 == 0:
            create_json = '{"name": "%s"}' % args.influxdb_name
            create_url = 'http://%s/db?u=%s&p=%s' % (args.influxdb_host, args.influxdb_user, args.influxdb_password)
            nibbler.post_json(create_url, create_json)

        # Poor mans GC: We loose one sample per framework every 10.000 iterations.
        sample_count += 1
Exemple #2
0
    master_endpoint = 'http://%s/%s' % (master_location, args.master_state)
    influx_endpoint = 'http://%s/db/%s/series?u=%s&p=%s' % (
        args.influxdb_host, args.influxdb_name, args.influxdb_user, args.influxdb_password)

    create_json = '{"name": "%s"}' % args.influxdb_name
    create_url = 'http://%s/db?u=%s&p=%s' % (args.influxdb_host, args.influxdb_user, args.influxdb_password)
    nibbler.post_json(create_url, create_json)

    # One second sample rate.
    sample_rate = 1

    # Sample loop.
    while True:
        # TODO(nnielsen): Don't fetch state json every iteration.
        # Get slave state object once to tag samples and determine leader.
        master_state = nibbler.json_from_url(master_endpoint)

        if "leader" in master_state and "pid" in master_state:
            if master_state["leader"] != master_state["pid"]:
                print "Master is not the current leader - waiting 5 seconds"
                time.sleep(5)
                continue

        master_id = master_state["id"]

        influx_samples = []

        # Collect the latest metrics (gauges and counters).
        metrics = nibbler.json_from_url(metrics_endpoint)
        for metric in metrics:
            influx_samples.append({