From: Brian Warner Date: Thu, 7 Aug 2008 06:00:03 +0000 (-0700) Subject: misc/spacetime: add munin plugins, add everything to .deb X-Git-Url: https://git.rkrishnan.org/%5B/%5D%20/uri/reliability?a=commitdiff_plain;h=e19564df591701dbac19af6f44f404e98b3a5744;p=tahoe-lafs%2Ftahoe-lafs.git misc/spacetime: add munin plugins, add everything to .deb --- diff --git a/misc/feisty/debian/rules b/misc/feisty/debian/rules index 18d789af..70895401 100644 --- a/misc/feisty/debian/rules +++ b/misc/feisty/debian/rules @@ -15,7 +15,8 @@ DEBNAME := $(firstword $(DEB_PACKAGES)) STAGING_DIR := $(CURDIR)/debian/$(DEBNAME) DEB_INSTALL_DOCS_ALL := COPYING.GPL COPYING.TGPPL.html CREDITS \ - NEWS README relnotes.txt docs + NEWS README relnotes.txt docs misc/spacetime +DEB_COMPRESS_EXCLUDE := .tac # we overwrite the setuptools-generated /usr/bin/tahoe (located in diff --git a/misc/munin/tahoe_diskusage b/misc/munin/tahoe_diskusage new file mode 100644 index 00000000..a4ccf7b0 --- /dev/null +++ b/misc/munin/tahoe_diskusage @@ -0,0 +1,39 @@ +#! /usr/bin/python + +# This is a munin plugin which pulls data from the server in +# misc/spacetime/diskwatcher.tac . It produces a graph of how much disk space +# is being used per unit time. The plugin should be configured with env_url= +# pointing at the diskwatcher.tac webport. + +import os, sys, urllib, simplejson + +if len(sys.argv) > 1 and sys.argv[1] == "config": + print """\ +graph_title Tahoe Disk Usage Measurement +graph_vlabel bytes per second +graph_category tahoe +graph_info This graph shows the estimated disk usage per unit time, totalled across all storage servers +rate_1hr.label (one hour sample) +rate_1hr.draw LINE1 +rate_1day.label (one day sample) +rate_1day.draw LINE1 +rate_2wk.label (two week sample) +rate_2wk.draw LINE2 +rate_4wk.label (four week sample) +rate_4wk.draw LINE2""" + sys.exit(0) + +url = os.environ["url"] +timespans = simplejson.load(urllib.urlopen(url)) + +data = dict([(name, growth) + for (name, timespan, growth, timeleft) in timespans]) +# growth is in bytes per second +if "1hr" in data: + print "rate_1hr.value", data["1hr"] +if "1day" in data: + print "rate_1hr.value", data["1day"] +if "2wk" in data: + print "rate_1hr.value", data["2wk"] +if "4wk" in data: + print "rate_1hr.value", data["4wk"] diff --git a/misc/munin/tahoe_doomsday b/misc/munin/tahoe_doomsday new file mode 100644 index 00000000..08f642ca --- /dev/null +++ b/misc/munin/tahoe_doomsday @@ -0,0 +1,40 @@ +#! /usr/bin/python + +# This is a munin plugin which pulls data from the server in +# misc/spacetime/diskwatcher.tac . It produces a graph of how much time is +# left before the grid fills up. The plugin should be configured with +# env_url= pointing at the diskwatcher.tac webport. + +import os, sys, urllib, simplejson + +if len(sys.argv) > 1 and sys.argv[1] == "config": + print """\ +graph_title Tahoe Remaining Space Predictor +graph_vlabel days remaining +graph_category tahoe +graph_info This graph shows the estimated number of days left until storage space is exhausted +days_1hr.label days left (one hour sample) +days_1hr.draw LINE1 +days_1day.label days left (one day sample) +days_1day.draw LINE1 +days_2wk.label days left (two week sample) +days_2wk.draw LINE2 +days_4wk.label days left (four week sample) +days_4wk.draw LINE2""" + sys.exit(0) + +url = os.environ["url"] +timespans = simplejson.load(urllib.urlopen(url)) + +data = dict([(name, timeleft) + for (name, timespan, growth, timeleft) in timespans]) +# timeleft is in seconds +DAY = 24*60*60 +if "1hr" in data: + print "days_1hr.value", data["1hr"]/DAY +if "1day" in data: + print "days_1hr.value", data["1day"]/DAY +if "2wk" in data: + print "days_1hr.value", data["2wk"]/DAY +if "4wk" in data: + print "days_1hr.value", data["4wk"]/DAY diff --git a/misc/sid/debian/rules b/misc/sid/debian/rules index 18d789af..70895401 100644 --- a/misc/sid/debian/rules +++ b/misc/sid/debian/rules @@ -15,7 +15,8 @@ DEBNAME := $(firstword $(DEB_PACKAGES)) STAGING_DIR := $(CURDIR)/debian/$(DEBNAME) DEB_INSTALL_DOCS_ALL := COPYING.GPL COPYING.TGPPL.html CREDITS \ - NEWS README relnotes.txt docs + NEWS README relnotes.txt docs misc/spacetime +DEB_COMPRESS_EXCLUDE := .tac # we overwrite the setuptools-generated /usr/bin/tahoe (located in diff --git a/misc/spacetime/diskwatcher.tac b/misc/spacetime/diskwatcher.tac index 2fa27074..e4cef490 100644 --- a/misc/spacetime/diskwatcher.tac +++ b/misc/spacetime/diskwatcher.tac @@ -2,11 +2,15 @@ """ Run this tool with twistd in its own directory, with a file named 'urls.txt' -describing which nodes to query. It will request disk-usage numbers from the -nodes once per hour (or slower), and store them in a local database. It will -compute usage-per-unit time values over several time ranges and make them -available through an HTTP query (using ./webport). It will also provide an -estimate of how much time is left before the grid's storage is exhausted. +describing which nodes to query. Make sure to copy diskwatcher.py into the +same directory. It will request disk-usage numbers from the nodes once per +hour (or slower), and store them in a local database. It will compute +usage-per-unit time values over several time ranges and make them available +through an HTTP query (using ./webport). It will also provide an estimate of +how much time is left before the grid's storage is exhausted. + +There are munin plugins (named tahoe_doomsday and tahoe_diskusage) to graph +the values this tool computes. Each line of urls.txt points to a single node. Each node should have its own dedicated disk: if multiple nodes share a disk, only list one of them in