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Add support for Librato Metrics via https://github.com/tellybug/librato #72

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Add support for Librato Metrics via https://github.com/tellybug/librato #72

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92d87ee
Add support for Librato Metrics via https://github.com/tellybug/librato
mikebrittain Jul 16, 2012
d1eee2b
Added librato-user command line option.
mikebrittain Jun 5, 2014
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4 changes: 3 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,8 @@ Additional usage details can be found with the -h option:
--aws-key=AWS_KEY Amazon credential key
--aws-secret-key=AWS_SECRET_KEY
Amazon credential secret key
[email protected]:APIKEYHEREDEADBEEF
Email address and API Key of Librato Metrics users account.
--nsca-host=NSCA_HOST
Hostname and port for NSCA daemon, e.g.
nsca.example.com:5667
Expand All @@ -124,7 +126,7 @@ Additional usage details can be found with the -h option:
-o OUTPUT, --output=OUTPUT
Where to send metrics (can specify multiple times).
Choices are 'graphite', 'ganglia', 'cloudwatch',
'nsca' , 'statsd', or 'stdout'.
'librato', 'nsca' , 'statsd', or 'stdout'.
--stdout-separator=STDOUT_SEPARATOR
Seperator between prefix/suffix and name for stdout.
Default is "_".
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36 changes: 34 additions & 2 deletions bin/logster
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Expand Up @@ -97,13 +97,15 @@ cmdline.add_option('--nsca-host', action='store',
cmdline.add_option('--nsca-service-hostname', action='store',
help='<host_name> value to use in nsca passive service check. Default is \"%default\"',
default=socket.gethostname())
cmdline.add_option('--librato-user', action='store',
help='Email address and API Key of Librato Metrics users account, e.g. [email protected]:APIKEYHEREDEADBEEF')
cmdline.add_option('--state-dir', '-s', action='store', default=state_dir,
help='Where to store the logtail state file. Default location %s' % state_dir)
cmdline.add_option('--log-dir', '-l', action='store', default=log_dir,
help='Where to store the logster logfile. Default location %s' % log_dir)
cmdline.add_option('--output', '-o', action='append',
choices=('graphite', 'ganglia', 'stdout', 'cloudwatch', 'nsca', 'statsd'),
help="Where to send metrics (can specify multiple times). Choices are 'graphite', 'ganglia', 'cloudwatch', 'nsca' , 'statsd', or 'stdout'.")
choices=('graphite', 'ganglia', 'stdout', 'cloudwatch', 'librato', 'nsca', 'statsd'),
help="Where to send metrics (can specify multiple times). Choices are 'graphite', 'ganglia', 'cloudwatch', 'librato', 'nsca' , 'statsd', or 'stdout'.")
cmdline.add_option('--stdout-separator', action='store', default="_", dest="stdout_separator",
help='Seperator between prefix/suffix and name for stdout. Default is \"%default\".')
cmdline.add_option('--dry-run', '-d', action='store_true', default=False,
Expand All @@ -127,6 +129,9 @@ if 'graphite' in options.output and not options.graphite_host:
if 'cloudwatch' in options.output and not options.aws_key and not options.aws_secret_key:
cmdline.print_help()
cmdline.error("You must supply --aws-key and --aws-secret-key or Set environment variables. AWS_ACCESS_KEY_ID for --aws-key, AWS_SECRET_ACCESS_KEY_ID for --aws-secret-key")
if 'librato' in options.output and not options.librato_user:
cmdline.print_help()
cmdline.error("You must supply --librato-user when using 'librato' as an output type.")
if 'nsca' in options.output and not options.nsca_host:
cmdline.print_help()
cmdline.error("You must supply --nsca-host when using 'nsca' as an output type.")
Expand Down Expand Up @@ -173,6 +178,8 @@ def submit_stats(parser, duration, options):
submit_ganglia(metrics, options)
if 'graphite' in options.output:
submit_graphite(metrics, options)
if 'librato' in options.output:
submit_librato(metrics, options)
if 'stdout' in options.output:
submit_stdout(metrics, options)
if 'cloudwatch' in options.output:
Expand Down Expand Up @@ -308,6 +315,31 @@ def submit_statsd(metrics, addr):
print "%s %s" % (options.statsd_host, metric_string)


def submit_librato(metrics, options):
if (re.match("^\w+@[\w\.]+:\w+$", options.librato_user) == None):
raise Exception, "Invalid email:apikey found for Librato user credentials: '%s'" % options.librato_user

from librato.connection import LibratoConnection
auth = options.librato_user.split(':')
connection = LibratoConnection(auth[0], auth[1])

for metric in metrics:
if (options.metric_prefix != ""):
metric.name = options.metric_prefix + "." + metric.name

logger.debug("Submitting Librato metric: %s %s" % (metric.name, metric.value))

if (not options.dry_run):
if (metric.name[-6:] == ".count"):
counter = connection.get_or_create_counter(metric.name)
counter.add(metric.value)
else:
gauge = connection.get_or_create_gauge(metric.name)
gauge.add(metric.value)
else:
print "Librato(%s): %s %s" % (auth[0], metric.name, metric.value)


def start_locking(lockfile_name):
""" Acquire a lock via a provided lockfile filename. """
if os.path.exists(lockfile_name):
Expand Down