From: Mark Hymers Date: Sun, 9 Aug 2009 15:06:41 +0000 (+0100) Subject: convert clean_suites to new DB API X-Git-Url: https://git.decadent.org.uk/gitweb/?a=commitdiff_plain;h=bf766b267e0058b0083de3420a88c2370f0844e8;p=dak.git convert clean_suites to new DB API Signed-off-by: Mark Hymers --- diff --git a/dak/clean_suites.py b/dak/clean_suites.py index d6a966b5..cf08ee19 100755 --- a/dak/clean_suites.py +++ b/dak/clean_suites.py @@ -28,18 +28,17 @@ ################################################################################ -import os, pg, stat, sys, time +import os, stat, sys, time import apt_pkg +from datetime import datetime, timedelta + +from daklib.config import Config +from daklib.dbconn import * from daklib import utils ################################################################################ -projectB = None -Cnf = None Options = None -now_date = None; # mark newly "deleted" things as deleted "now" -delete_date = None; # delete things marked "deleted" earler than this -max_delete = None ################################################################################ @@ -54,49 +53,44 @@ Clean old packages from suites. ################################################################################ -def check_binaries(): - global delete_date, now_date - +def check_binaries(now_date, delete_date, max_delete, session): print "Checking for orphaned binary packages..." # Get the list of binary packages not in a suite and mark them for # deletion. - q = projectB.query(""" + + # TODO: This can be a single SQL UPDATE statement + q = session.execute(""" SELECT b.file FROM binaries b, files f WHERE f.last_used IS NULL AND b.file = f.id AND NOT EXISTS (SELECT 1 FROM bin_associations ba WHERE ba.bin = b.id)""") - ql = q.getresult() - projectB.query("BEGIN WORK") - for i in ql: - file_id = i[0] - projectB.query("UPDATE files SET last_used = '%s' WHERE id = %s AND last_used IS NULL" % (now_date, file_id)) - projectB.query("COMMIT WORK") + for i in q.fetchall(): + session.execute("UPDATE files SET last_used = :lastused WHERE id = :fileid AND last_used IS NULL", + {'lastused': now_date, 'fileid': i[0]}) + session.commit() # Check for any binaries which are marked for eventual deletion # but are now used again. - q = projectB.query(""" + + # TODO: This can be a single SQL UPDATE statement + q = session.execute(""" SELECT b.file FROM binaries b, files f WHERE f.last_used IS NOT NULL AND f.id = b.file AND EXISTS (SELECT 1 FROM bin_associations ba WHERE ba.bin = b.id)""") - ql = q.getresult() - projectB.query("BEGIN WORK") - for i in ql: - file_id = i[0] - projectB.query("UPDATE files SET last_used = NULL WHERE id = %s" % (file_id)) - projectB.query("COMMIT WORK") + for i in q.fetchall(): + session.execute("UPDATE files SET last_used = NULL WHERE id = :fileid", {'fileid': i[0]}) + session.commit() ######################################## -def check_sources(): - global delete_date, now_date - +def check_sources(now_date, delete_date, max_delete, session): print "Checking for orphaned source packages..." # Get the list of source packages not in a suite and not used by # any binaries. - q = projectB.query(""" + q = session.execute(""" SELECT s.id, s.file FROM source s, files f WHERE f.last_used IS NULL AND s.file = f.id AND NOT EXISTS (SELECT 1 FROM src_associations sa WHERE sa.source = s.id) @@ -106,28 +100,33 @@ SELECT s.id, s.file FROM source s, files f #### have been marked for deletion (so the delay between bins go #### byebye and sources go byebye is 0 instead of StayOfExecution) - ql = q.getresult() - - projectB.query("BEGIN WORK") - for i in ql: + for i in q.fetchall(): source_id = i[0] dsc_file_id = i[1] # Mark the .dsc file for deletion - projectB.query("UPDATE files SET last_used = '%s' WHERE id = %s AND last_used IS NULL" % (now_date, dsc_file_id)) + session.execute("""UPDATE files SET last_used = :last_used + WHERE id = :dscfileid AND last_used IS NULL""", + {'last_used': now_date, 'dscfileid': dsc_file_id}) + # Mark all other files references by .dsc too if they're not used by anyone else - x = projectB.query("SELECT f.id FROM files f, dsc_files d WHERE d.source = %s AND d.file = f.id" % (source_id)) - for j in x.getresult(): + x = session.execute("""SELECT f.id FROM files f, dsc_files d + WHERE d.source = :sourceid AND d.file = f.id""", + {'sourceid': source_id}) + for j in x.fetchall(): file_id = j[0] - y = projectB.query("SELECT id FROM dsc_files d WHERE d.file = %s" % (file_id)) - if len(y.getresult()) == 1: - projectB.query("UPDATE files SET last_used = '%s' WHERE id = %s AND last_used IS NULL" % (now_date, file_id)) - projectB.query("COMMIT WORK") + y = session.execute("SELECT id FROM dsc_files d WHERE d.file = :fileid", {'fileid': file_id}) + if len(y.fetchall()) == 1: + session.execute("""UPDATE files SET last_used = :lastused + WHERE id = :fileid AND last_used IS NULL""", + {'lastused': now_date, 'fileid': file_id}) + + session.commit() # Check for any sources which are marked for deletion but which # are now used again. - q = projectB.query(""" + q = session.execute(""" SELECT f.id FROM source s, files f, dsc_files df WHERE f.last_used IS NOT NULL AND s.id = df.source AND df.file = f.id AND ((EXISTS (SELECT 1 FROM src_associations sa WHERE sa.source = s.id)) @@ -136,40 +135,47 @@ SELECT f.id FROM source s, files f, dsc_files df #### XXX: this should also handle deleted binaries specially (ie, not #### reinstate sources because of them - ql = q.getresult() # Could be done in SQL; but left this way for hysterical raisins # [and freedom to innovate don'cha know?] - projectB.query("BEGIN WORK") - for i in ql: - file_id = i[0] - projectB.query("UPDATE files SET last_used = NULL WHERE id = %s" % (file_id)) - projectB.query("COMMIT WORK") + for i in q.fetchall(): + session.execute("UPDATE files SET last_used = NULL WHERE id = :fileid", + {'fileid': i[0]}) -######################################## + session.commit() -def check_files(): - global delete_date, now_date +######################################## +def check_files(now_date, delete_date, max_delete, session): # FIXME: this is evil; nothing should ever be in this state. if # they are, it's a bug and the files should not be auto-deleted. - - return + # XXX: In that case, remove the stupid return to later and actually + # *TELL* us rather than silently ignore it - mhy print "Checking for unused files..." - q = projectB.query(""" -SELECT id FROM files f + q = session.execute(""" +SELECT id, filename FROM files f WHERE NOT EXISTS (SELECT 1 FROM binaries b WHERE b.file = f.id) - AND NOT EXISTS (SELECT 1 FROM dsc_files df WHERE df.file = f.id)""") + AND NOT EXISTS (SELECT 1 FROM dsc_files df WHERE df.file = f.id) + ORDER BY filename""") - projectB.query("BEGIN WORK") - for i in q.getresult(): - file_id = i[0] - projectB.query("UPDATE files SET last_used = '%s' WHERE id = %s" % (now_date, file_id)) - projectB.query("COMMIT WORK") + ql = q.fetchall() + if len(ql) > 0: + print "WARNING: check_files found something it shouldn't" + for x in ql: + print x -def clean_binaries(): - global delete_date, now_date + # NOW return, the code below is left as an example of what was + # evidently done at some point in the past + return + +# for i in q.fetchall(): +# file_id = i[0] +# session.execute("UPDATE files SET last_used = :lastused WHERE id = :fileid", +# {'lastused': now_date, 'fileid': file_id}) +# +# session.commit() +def clean_binaries(now_date, delete_date, max_delete, session): # We do this here so that the binaries we remove will have their # source also removed (if possible). @@ -177,41 +183,53 @@ def clean_binaries(): # buys anything keeping this separate print "Cleaning binaries from the DB..." if not Options["No-Action"]: - before = time.time() - sys.stdout.write("[Deleting from binaries table... ") - projectB.query("DELETE FROM binaries WHERE EXISTS (SELECT 1 FROM files WHERE binaries.file = files.id AND files.last_used <= '%s')" % (delete_date)) - sys.stdout.write("done. (%d seconds)]\n" % (int(time.time()-before))) + print "Deleting from binaries table... " + session.execute("""DELETE FROM binaries WHERE EXISTS + (SELECT 1 FROM files WHERE binaries.file = files.id + AND files.last_used <= :deldate)""", + {'deldate': delete_date}) ######################################## -def clean(): - global delete_date, now_date, max_delete +def clean(now_date, delete_date, max_delete, session): + cnf = Config() + count = 0 size = 0 print "Cleaning out packages..." - date = time.strftime("%Y-%m-%d") - dest = Cnf["Dir::Morgue"] + '/' + Cnf["Clean-Suites::MorgueSubDir"] + '/' + date + cur_date = now_date.strftime("%Y-%m-%d") + dest = os.path.join(cnf["Dir::Morgue"], cnf["Clean-Suites::MorgueSubDir"], cur_date) if not os.path.exists(dest): os.mkdir(dest) # Delete from source if not Options["No-Action"]: - before = time.time() - sys.stdout.write("[Deleting from source table... ") - projectB.query("DELETE FROM dsc_files WHERE EXISTS (SELECT 1 FROM source s, files f, dsc_files df WHERE f.last_used <= '%s' AND s.file = f.id AND s.id = df.source AND df.id = dsc_files.id)" % (delete_date)) - projectB.query("DELETE FROM source WHERE EXISTS (SELECT 1 FROM files WHERE source.file = files.id AND files.last_used <= '%s')" % (delete_date)) - sys.stdout.write("done. (%d seconds)]\n" % (int(time.time()-before))) + print "Deleting from source table... " + session.execute("""DELETE FROM dsc_files + WHERE EXISTS + (SELECT 1 FROM source s, files f, dsc_files df + WHERE f.last_used <= :deletedate + AND s.file = f.id AND s.id = df.source + AND df.id = dsc_files.id)""", {'deletedate': delete_date}) + session.execute("""DELETE FROM source + WHERE EXISTS + (SELECT 1 FROM files + WHERE source.file = files.id + AND files.last_used <= :deletedate)""", {'deletedate': delete_date}) + + session.commit() # Delete files from the pool - query = "SELECT l.path, f.filename FROM location l, files f WHERE f.last_used <= '%s' AND l.id = f.location" % (delete_date) + query = """SELECT l.path, f.filename FROM location l, files f + WHERE f.last_used <= :deletedate AND l.id = f.location""" if max_delete is not None: query += " LIMIT %d" % max_delete - sys.stdout.write("Limiting removals to %d\n" % max_delete) + print "Limiting removals to %d" % max_delete - q=projectB.query(query) - for i in q.getresult(): + q = session.execute(query, {'deletedate': delete_date}) + for i in q.fetchall(): filename = i[0] + i[1] if not os.path.exists(filename): utils.warn("can not find '%s'." % (filename)) @@ -240,111 +258,127 @@ def clean(): utils.fubar("%s is neither symlink nor file?!" % (filename)) # Delete from the 'files' table + # XXX: I've a horrible feeling that the max_delete stuff breaks here - mhy + # TODO: Change it so we do the DELETEs as we go; it'll be slower but + # more reliable if not Options["No-Action"]: - before = time.time() - sys.stdout.write("[Deleting from files table... ") - projectB.query("DELETE FROM files WHERE last_used <= '%s'" % (delete_date)) - sys.stdout.write("done. (%d seconds)]\n" % (int(time.time()-before))) + print "Deleting from files table... " + session.execute("DELETE FROM files WHERE last_used <= :deletedate", {'deletedate': delete_date}) + session.commit() + if count > 0: - sys.stderr.write("Cleaned %d files, %s.\n" % (count, utils.size_type(size))) + print "Cleaned %d files, %s." % (count, utils.size_type(size)) ################################################################################ -def clean_maintainers(): +def clean_maintainers(now_date, delete_date, max_delete, session): print "Cleaning out unused Maintainer entries..." - q = projectB.query(""" + # TODO Replace this whole thing with one SQL statement + q = session.execute(""" SELECT m.id FROM maintainer m WHERE NOT EXISTS (SELECT 1 FROM binaries b WHERE b.maintainer = m.id) AND NOT EXISTS (SELECT 1 FROM source s WHERE s.maintainer = m.id OR s.changedby = m.id) AND NOT EXISTS (SELECT 1 FROM src_uploaders u WHERE u.maintainer = m.id)""") - ql = q.getresult() count = 0 - projectB.query("BEGIN WORK") - for i in ql: + + for i in q.fetchall(): maintainer_id = i[0] if not Options["No-Action"]: - projectB.query("DELETE FROM maintainer WHERE id = %s" % (maintainer_id)) + session.execute("DELETE FROM maintainer WHERE id = :maint", {'maint': maintainer_id}) count += 1 - projectB.query("COMMIT WORK") + + if not Options["No-Action"]: + session.commit() if count > 0: - sys.stderr.write("Cleared out %d maintainer entries.\n" % (count)) + print "Cleared out %d maintainer entries." % (count) ################################################################################ -def clean_fingerprints(): +def clean_fingerprints(now_date, delete_date, max_delete, session): print "Cleaning out unused fingerprint entries..." - q = projectB.query(""" + # TODO Replace this whole thing with one SQL statement + q = session.execute(""" SELECT f.id FROM fingerprint f WHERE f.keyring IS NULL AND NOT EXISTS (SELECT 1 FROM binaries b WHERE b.sig_fpr = f.id) AND NOT EXISTS (SELECT 1 FROM source s WHERE s.sig_fpr = f.id)""") - ql = q.getresult() count = 0 - projectB.query("BEGIN WORK") - for i in ql: + + for i in q.fetchall(): fingerprint_id = i[0] if not Options["No-Action"]: - projectB.query("DELETE FROM fingerprint WHERE id = %s" % (fingerprint_id)) + session.execute("DELETE FROM fingerprint WHERE id = :fpr", {'fpr': fingerprint_id}) count += 1 - projectB.query("COMMIT WORK") + + if not Options["No-Action"]: + session.commit() if count > 0: - sys.stderr.write("Cleared out %d fingerprint entries.\n" % (count)) + print "Cleared out %d fingerprint entries." % (count) ################################################################################ -def clean_queue_build(): - global now_date +def clean_queue_build(now_date, delete_date, max_delete, session): + + cnf = Config() - if not Cnf.ValueList("Dinstall::QueueBuildSuites") or Options["No-Action"]: + if not cnf.ValueList("Dinstall::QueueBuildSuites") or Options["No-Action"]: return print "Cleaning out queue build symlinks..." - our_delete_date = time.strftime("%Y-%m-%d %H:%M", time.localtime(time.time()-int(Cnf["Clean-Suites::QueueBuildStayOfExecution"]))) + our_delete_date = now_date - timedelta(seconds = int(cnf["Clean-Suites::QueueBuildStayOfExecution"])) count = 0 - q = projectB.query("SELECT filename FROM queue_build WHERE last_used <= '%s'" % (our_delete_date)) - for i in q.getresult(): + q = session.execute("SELECT filename FROM queue_build WHERE last_used <= :deletedate", + {'deletedate': our_delete_date}) + for i in q.fetchall(): filename = i[0] if not os.path.exists(filename): utils.warn("%s (from queue_build) doesn't exist." % (filename)) continue - if not Cnf.FindB("Dinstall::SecurityQueueBuild") and not os.path.islink(filename): + + if not cnf.FindB("Dinstall::SecurityQueueBuild") and not os.path.islink(filename): utils.fubar("%s (from queue_build) should be a symlink but isn't." % (filename)) + os.unlink(filename) count += 1 - projectB.query("DELETE FROM queue_build WHERE last_used <= '%s'" % (our_delete_date)) + + session.execute("DELETE FROM queue_build WHERE last_used <= :deletedate", + {'deletedate': our_delete_date}) + + session.commit() if count: - sys.stderr.write("Cleaned %d queue_build files.\n" % (count)) + print "Cleaned %d queue_build files." % (count) ################################################################################ def main(): - global Cnf, Options, projectB, delete_date, now_date, max_delete + global Options + + cnf = Config() - Cnf = utils.get_conf() for i in ["Help", "No-Action", "Maximum" ]: - if not Cnf.has_key("Clean-Suites::Options::%s" % (i)): - Cnf["Clean-Suites::Options::%s" % (i)] = "" + if not cnf.has_key("Clean-Suites::Options::%s" % (i)): + cnf["Clean-Suites::Options::%s" % (i)] = "" Arguments = [('h',"help","Clean-Suites::Options::Help"), ('n',"no-action","Clean-Suites::Options::No-Action"), ('m',"maximum","Clean-Suites::Options::Maximum", "HasArg")] - apt_pkg.ParseCommandLine(Cnf,Arguments,sys.argv) - Options = Cnf.SubTree("Clean-Suites::Options") + apt_pkg.ParseCommandLine(cnf.Cnf, Arguments, sys.argv) + Options = cnf.SubTree("Clean-Suites::Options") - if Cnf["Clean-Suites::Options::Maximum"] != "": + if cnf["Clean-Suites::Options::Maximum"] != "": try: # Only use Maximum if it's an integer - max_delete = int(Cnf["Clean-Suites::Options::Maximum"]) + max_delete = int(cnf["Clean-Suites::Options::Maximum"]) if max_delete < 1: utils.fubar("If given, Maximum must be at least 1") except ValueError, e: @@ -355,19 +389,19 @@ def main(): if Options["Help"]: usage() - projectB = pg.connect(Cnf["DB::Name"], Cnf["DB::Host"], int(Cnf["DB::Port"])) + session = DBConn().session() - now_date = time.strftime("%Y-%m-%d %H:%M") - delete_date = time.strftime("%Y-%m-%d %H:%M", time.localtime(time.time()-int(Cnf["Clean-Suites::StayOfExecution"]))) + now_date = datetime.now() + delete_date = now_date - timedelta(seconds=int(cnf['Clean-Suites::StayOfExecution'])) - check_binaries() - clean_binaries() - check_sources() - check_files() - clean() - clean_maintainers() - clean_fingerprints() - clean_queue_build() + check_binaries(now_date, delete_date, max_delete, session) + clean_binaries(now_date, delete_date, max_delete, session) + check_sources(now_date, delete_date, max_delete, session) + check_files(now_date, delete_date, max_delete, session) + clean(now_date, delete_date, max_delete, session) + clean_maintainers(now_date, delete_date, max_delete, session) + clean_fingerprints(now_date, delete_date, max_delete, session) + clean_queue_build(now_date, delete_date, max_delete, session) ################################################################################