From: Brian Warner Date: Fri, 23 Jan 2009 23:33:21 +0000 (-0700) Subject: #509 CLI: add 'tahoe manifest --stream' X-Git-Tag: allmydata-tahoe-1.3.0~151 X-Git-Url: https://git.rkrishnan.org/pf/content/en/seg/...?a=commitdiff_plain;h=6a04103cc26de372a3bae404190b1b4d1614b402;p=tahoe-lafs%2Ftahoe-lafs.git #509 CLI: add 'tahoe manifest --stream' --- diff --git a/src/allmydata/scripts/cli.py b/src/allmydata/scripts/cli.py index 999ebcde..58303505 100644 --- a/src/allmydata/scripts/cli.py +++ b/src/allmydata/scripts/cli.py @@ -200,7 +200,10 @@ class WebopenOptions(VDriveOptions): class ManifestOptions(VDriveOptions): optFlags = [ ("storage-index", "s", "Only print storage index strings, not pathname+cap"), + ("verify-cap", None, "Only print verifycap, not pathname+cap"), + ("repair-cap", None, "Only print repaircap, not pathname+cap"), ("raw", "r", "Display raw JSON data instead of parsed"), + ("stream", None, "Stream lines of JSON to stdout. With --storage-index or --verify-cap, stream those strings to stdout."), ] def parseArgs(self, where=''): self.where = where diff --git a/src/allmydata/scripts/tahoe_manifest.py b/src/allmydata/scripts/tahoe_manifest.py index a2facc16..be1c3295 100644 --- a/src/allmydata/scripts/tahoe_manifest.py +++ b/src/allmydata/scripts/tahoe_manifest.py @@ -1,8 +1,77 @@ +import urllib, simplejson +from twisted.protocols.basic import LineOnlyReceiver from allmydata.util import base32 from allmydata.util.abbreviate import abbreviate_space_both from allmydata import uri from allmydata.scripts.slow_operation import SlowOperationRunner +from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, escape_path +from allmydata.scripts.common_http import do_http + +class FakeTransport: + disconnecting = False +class ManifestStreamer(LineOnlyReceiver): + delimiter = "\n" + def __init__(self): + self.transport = FakeTransport() + + def run(self, options): + stdout = options.stdout + stderr = options.stderr + self.options = options + nodeurl = options['node-url'] + if not nodeurl.endswith("/"): + nodeurl += "/" + self.nodeurl = nodeurl + where = options.where + rootcap, path = get_alias(options.aliases, where, DEFAULT_ALIAS) + if path == '/': + path = '' + url = nodeurl + "uri/%s" % urllib.quote(rootcap) + if path: + url += "/" + escape_path(path) + # todo: should it end with a slash? + url += "?t=stream-manifest" + resp = do_http("POST", url) + if resp.status not in (200, 302): + print >>stderr, "ERROR", resp.status, resp.reason, resp.read() + return 1 + #print "RESP", dir(resp) + # use Twisted to split this into lines + while True: + chunk = resp.read(100) + if not chunk: + break + if self.options["raw"]: + stdout.write(chunk) + else: + self.dataReceived(chunk) + return 0 + + def lineReceived(self, line): + d = simplejson.loads(line) + stdout = self.options.stdout + if d["type"] in ("file", "directory"): + if self.options["storage-index"]: + si = d["storage-index"] + if si: + print >>stdout, si + elif self.options["verify-cap"]: + vc = d["verifycap"] + if vc: + print >>stdout, vc + elif self.options["repair-cap"]: + vc = d["repaircap"] + if vc: + print >>stdout, vc + else: + try: + print >>stdout, d["cap"], "/".join(d["path"]) + except UnicodeEncodeError: + print >>stdout, d["cap"], "/".join([p.encode("utf-8") + for p in d["path"]]) + + class ManifestGrabber(SlowOperationRunner): @@ -27,7 +96,10 @@ class ManifestGrabber(SlowOperationRunner): for p in path]) def manifest(options): - return ManifestGrabber().run(options) + if options["stream"]: + return ManifestStreamer().run(options) + else: + return ManifestGrabber().run(options) class StatsGrabber(SlowOperationRunner): diff --git a/src/allmydata/test/test_system.py b/src/allmydata/test/test_system.py index 1e9c2ecf..1715b0a3 100644 --- a/src/allmydata/test/test_system.py +++ b/src/allmydata/test/test_system.py @@ -2481,6 +2481,11 @@ class DeepCheckWebGood(DeepCheckBase, unittest.TestCase): d.addCallback(lambda ign: self.do_cli_manifest1()) d.addCallback(lambda ign: self.do_cli_manifest2()) d.addCallback(lambda ign: self.do_cli_manifest3()) + d.addCallback(lambda ign: self.do_cli_manifest_stream1()) + d.addCallback(lambda ign: self.do_cli_manifest_stream2()) + d.addCallback(lambda ign: self.do_cli_manifest_stream3()) + d.addCallback(lambda ign: self.do_cli_manifest_stream4()) + d.addCallback(lambda ign: self.do_cli_manifest_stream5()) d.addCallback(lambda ign: self.do_cli_stats1()) d.addCallback(lambda ign: self.do_cli_stats2()) return d @@ -2516,16 +2521,19 @@ class DeepCheckWebGood(DeepCheckBase, unittest.TestCase): d = self._run_cli(["manifest", "--node-directory", basedir, "--storage-index", self.root_uri]) - def _check2((out,err)): + def _check((out,err)): self.failUnlessEqual(err, "") - lines = [l for l in out.split("\n") if l] - self.failUnlessEqual(len(lines), 3) - self.failUnless(base32.b2a(self.root.get_storage_index()) in lines) - self.failUnless(base32.b2a(self.mutable.get_storage_index()) in lines) - self.failUnless(base32.b2a(self.large.get_storage_index()) in lines) - d.addCallback(_check2) + self._check_manifest_storage_index(out) + d.addCallback(_check) return d + def _check_manifest_storage_index(self, out): + lines = [l for l in out.split("\n") if l] + self.failUnlessEqual(len(lines), 3) + self.failUnless(base32.b2a(self.root.get_storage_index()) in lines) + self.failUnless(base32.b2a(self.mutable.get_storage_index()) in lines) + self.failUnless(base32.b2a(self.large.get_storage_index()) in lines) + def do_cli_manifest3(self): basedir = self.getdir("client0") d = self._run_cli(["manifest", @@ -2550,6 +2558,90 @@ class DeepCheckWebGood(DeepCheckBase, unittest.TestCase): d.addCallback(_check2r) return d + def do_cli_manifest_stream1(self): + basedir = self.getdir("client0") + d = self._run_cli(["manifest", + "--node-directory", basedir, + "--stream", + self.root_uri]) + def _check((out,err)): + self.failUnlessEqual(err, "") + lines = [l for l in out.split("\n") if l] + self.failUnlessEqual(len(lines), 5) + caps = {} + for l in lines: + try: + cap, path = l.split(None, 1) + except ValueError: + cap = l.strip() + path = "" + caps[cap] = path + self.failUnless(self.root.get_uri() in caps) + self.failUnlessEqual(caps[self.root.get_uri()], "") + self.failUnlessEqual(caps[self.mutable.get_uri()], "mutable") + self.failUnlessEqual(caps[self.large.get_uri()], "large") + self.failUnlessEqual(caps[self.small.get_uri()], "small") + self.failUnlessEqual(caps[self.small2.get_uri()], "small2") + d.addCallback(_check) + return d + + def do_cli_manifest_stream2(self): + basedir = self.getdir("client0") + d = self._run_cli(["manifest", + "--node-directory", basedir, + "--stream", "--raw", + self.root_uri]) + def _check((out,err)): + self.failUnlessEqual(err, "") + # this should be the same as the POST t=stream-manifest output + self._check_streamed_manifest(out) + d.addCallback(_check) + return d + + def do_cli_manifest_stream3(self): + basedir = self.getdir("client0") + d = self._run_cli(["manifest", + "--node-directory", basedir, + "--stream", "--storage-index", + self.root_uri]) + def _check((out,err)): + self.failUnlessEqual(err, "") + self._check_manifest_storage_index(out) + d.addCallback(_check) + return d + + def do_cli_manifest_stream4(self): + basedir = self.getdir("client0") + d = self._run_cli(["manifest", + "--node-directory", basedir, + "--stream", "--verify-cap", + self.root_uri]) + def _check((out,err)): + self.failUnlessEqual(err, "") + lines = [l for l in out.split("\n") if l] + self.failUnlessEqual(len(lines), 3) + self.failUnless(self.root.get_verify_cap().to_string() in lines) + self.failUnless(self.mutable.get_verify_cap().to_string() in lines) + self.failUnless(self.large.get_verify_cap().to_string() in lines) + d.addCallback(_check) + return d + + def do_cli_manifest_stream5(self): + basedir = self.getdir("client0") + d = self._run_cli(["manifest", + "--node-directory", basedir, + "--stream", "--repair-cap", + self.root_uri]) + def _check((out,err)): + self.failUnlessEqual(err, "") + lines = [l for l in out.split("\n") if l] + self.failUnlessEqual(len(lines), 3) + self.failUnless(self.root.get_repair_cap().to_string() in lines) + self.failUnless(self.mutable.get_repair_cap().to_string() in lines) + self.failUnless(self.large.get_repair_cap().to_string() in lines) + d.addCallback(_check) + return d + def do_cli_stats1(self): basedir = self.getdir("client0") d = self._run_cli(["stats",