From b44411fb5399f75939a57f0ccc8166d06fa8ba6f Mon Sep 17 00:00:00 2001 From: Lukas Fleischer Date: Mon, 1 Jun 2015 22:58:39 +0200 Subject: Use gitnamespaces for efficient storage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Instead of using one Git repository per package, use a single large object storage for space efficiency. The refs of the individual package bases are divided using gitnamespaces(7) which allows for exposing each namespace as an independent repository easily. Also, git-serve is modified to create a branch for each package, allowing to browse the large repository with cgit. Helped-by: Florian Pritz Helped-by: Johannes Löthberg Signed-off-by: Lukas Fleischer --- scripts/git-integration/gen-templates.py | 29 -------------- scripts/git-integration/git-serve.py | 68 ++++++++++++++++---------------- scripts/git-integration/git-update.py | 7 ++-- scripts/git-integration/init-repos.py | 50 ----------------------- 4 files changed, 39 insertions(+), 115 deletions(-) delete mode 100755 scripts/git-integration/gen-templates.py delete mode 100755 scripts/git-integration/init-repos.py (limited to 'scripts') diff --git a/scripts/git-integration/gen-templates.py b/scripts/git-integration/gen-templates.py deleted file mode 100755 index e451b53..0000000 --- a/scripts/git-integration/gen-templates.py +++ /dev/null @@ -1,29 +0,0 @@ -#!/usr/bin/python3 - -import configparser -import os -import shutil -import sys - -config = configparser.RawConfigParser() -config.read(os.path.dirname(os.path.realpath(__file__)) + "/../../conf/config") - -template_path = config.get('serve', 'template-path') -git_update_hook = config.get('serve', 'git-update-hook') - -def die(msg): - sys.stderr.write("%s\n" % (msg)) - exit(1) - -if os.path.exists(template_path): - shutil.rmtree(template_path) - -os.mkdir(template_path) -os.chdir(template_path) -os.mkdir("branches") -os.mkdir("hooks") -os.mkdir("info") -os.symlink(git_update_hook, template_path + 'hooks/update') - -with open("description", 'w') as f: - f.write("Unnamed repository; push to update the description.\n") diff --git a/scripts/git-integration/git-serve.py b/scripts/git-integration/git-serve.py index de9cb59..81222e8 100755 --- a/scripts/git-integration/git-serve.py +++ b/scripts/git-integration/git-serve.py @@ -17,28 +17,23 @@ aur_db_user = config.get('database', 'user') aur_db_pass = config.get('database', 'password') aur_db_socket = config.get('database', 'socket') -repo_base_path = config.get('serve', 'repo-base') +repo_path = config.get('serve', 'repo-path') repo_regex = config.get('serve', 'repo-regex') git_shell_cmd = config.get('serve', 'git-shell-cmd') ssh_cmdline = config.get('serve', 'ssh-cmdline') template_path = config.get('serve', 'template-path') -def repo_path_validate(path): - if not path.startswith(repo_base_path): - return False - if path.endswith('.git'): - repo = path[len(repo_base_path):-4] - elif path.endswith('.git/'): - repo = path[len(repo_base_path):-5] - else: - return False - return re.match(repo_regex, repo) - -def repo_path_get_pkgbase(path): - pkgbase = path.rstrip('/').rpartition('/')[2] - if pkgbase.endswith('.git'): - pkgbase = pkgbase[:-4] - return pkgbase +def pkgbase_exists(pkgbase): + db = mysql.connector.connect(host=aur_db_host, user=aur_db_user, + passwd=aur_db_pass, db=aur_db_name, + unix_socket=aur_db_socket) + cur = db.cursor() + + cur.execute("SELECT COUNT(*) FROM PackageBases WHERE Name = %s ", + [pkgbase]) + + db.close() + return (cur.fetchone()[0] > 0) def list_repos(user): db = mysql.connector.connect(host=aur_db_host, user=aur_db_user, @@ -57,19 +52,17 @@ def list_repos(user): print((' ' if row[1] else '*') + row[0]) db.close() -def setup_repo(repo, user): - if not re.match(repo_regex, repo): - die('%s: invalid repository name: %s' % (action, repo)) +def setup_repo(pkgbase, user): + if not re.match(repo_regex, pkgbase): + die('%s: invalid repository name: %s' % (action, pkgbase)) + if pkgbase_exists(pkgbase): + die('%s: package base already exists: %s' % (action, pkgbase)) db = mysql.connector.connect(host=aur_db_host, user=aur_db_user, passwd=aur_db_pass, db=aur_db_name, unix_socket=aur_db_socket) cur = db.cursor() - cur.execute("SELECT COUNT(*) FROM PackageBases WHERE Name = %s ", [repo]) - if cur.fetchone()[0] > 0: - die('%s: package base already exists: %s' % (action, repo)) - cur.execute("SELECT ID FROM Users WHERE Username = %s ", [user]) userid = cur.fetchone()[0] if userid == 0: @@ -77,7 +70,7 @@ def setup_repo(repo, user): cur.execute("INSERT INTO PackageBases (Name, SubmittedTS, ModifiedTS, " + "SubmitterUID, MaintainerUID) VALUES (%s, UNIX_TIMESTAMP(), " + - "UNIX_TIMESTAMP(), %s, %s)", [repo, userid, userid]) + "UNIX_TIMESTAMP(), %s, %s)", [pkgbase, userid, userid]) pkgbase_id = cur.lastrowid cur.execute("INSERT INTO CommentNotify (PackageBaseID, UserID) " + @@ -86,8 +79,11 @@ def setup_repo(repo, user): db.commit() db.close() - repo_path = repo_base_path + '/' + repo + '.git/' - pygit2.init_repository(repo_path, True, 48, template_path=template_path) + repo = pygit2.Repository(repo_path) + repo.create_reference('refs/heads/' + pkgbase, + 'refs/namespaces/' + pkgbase + '/refs/heads/master') + repo.create_reference('refs/namespaces/' + pkgbase + '/HEAD', + 'refs/namespaces/' + pkgbase + '/refs/heads/master') def check_permissions(pkgbase, user): db = mysql.connector.connect(host=aur_db_host, user=aur_db_user, @@ -125,19 +121,25 @@ action = cmdargv[0] if action == 'git-upload-pack' or action == 'git-receive-pack': if len(cmdargv) < 2: die_with_help("%s: missing path" % (action)) - path = repo_base_path.rstrip('/') + cmdargv[1] - if not repo_path_validate(path): + + path = cmdargv[1].rstrip('/') + if not path.startswith('/') or not path.endswith('.git'): die('%s: invalid path: %s' % (action, path)) - pkgbase = repo_path_get_pkgbase(path) - if not os.path.exists(path): + pkgbase = path[1:-4] + if not re.match(repo_regex, pkgbase): + die('%s: invalid repository name: %s' % (action, repo)) + + if not pkgbase_exists(pkgbase): setup_repo(pkgbase, user) + if action == 'git-receive-pack': if not check_permissions(pkgbase, user): die('%s: permission denied: %s' % (action, user)) + os.environ["AUR_USER"] = user - os.environ["AUR_GIT_DIR"] = path os.environ["AUR_PKGBASE"] = pkgbase - cmd = action + " '" + path + "'" + os.environ["GIT_NAMESPACE"] = pkgbase + cmd = action + " '" + repo_path + "'" os.execl(git_shell_cmd, git_shell_cmd, '-c', cmd) elif action == 'list-repos': if len(cmdargv) > 1: diff --git a/scripts/git-integration/git-update.py b/scripts/git-integration/git-update.py index 161d42f..2c15912 100755 --- a/scripts/git-integration/git-update.py +++ b/scripts/git-integration/git-update.py @@ -19,6 +19,8 @@ aur_db_user = config.get('database', 'user') aur_db_pass = config.get('database', 'password') aur_db_socket = config.get('database', 'socket') +repo_path = config.get('serve', 'repo-path') + def extract_arch_fields(pkginfo, field): values = [] @@ -166,12 +168,11 @@ sha1_new = sys.argv[3] user = os.environ.get("AUR_USER") pkgbase = os.environ.get("AUR_PKGBASE") -git_dir = os.environ.get("AUR_GIT_DIR") if refname != "refs/heads/master": die("pushing to a branch other than master is restricted") -repo = pygit2.Repository(git_dir) +repo = pygit2.Repository(repo_path) walker = repo.walk(sha1_new, pygit2.GIT_SORT_TOPOLOGICAL) if sha1_old != "0000000000000000000000000000000000000000": walker.hide(sha1_old) @@ -245,6 +246,6 @@ db.close() pkglist = list(srcinfo.GetPackageNames()) if len(pkglist) > 0: - with open(git_dir + '/description', 'w') as f: + with open(repo_path + '/description', 'w') as f: pkginfo = srcinfo.GetMergedPackage(pkglist[0]) f.write(pkginfo['pkgdesc']) diff --git a/scripts/git-integration/init-repos.py b/scripts/git-integration/init-repos.py deleted file mode 100755 index 5c4fcfe..0000000 --- a/scripts/git-integration/init-repos.py +++ /dev/null @@ -1,50 +0,0 @@ -#!/usr/bin/python3 - -import configparser -import mysql.connector -import os -import pygit2 -import re -import shlex -import sys - -config = configparser.RawConfigParser() -config.read(os.path.dirname(os.path.realpath(__file__)) + "/../../conf/config") - -aur_db_host = config.get('database', 'host') -aur_db_name = config.get('database', 'name') -aur_db_user = config.get('database', 'user') -aur_db_pass = config.get('database', 'password') -aur_db_socket = config.get('database', 'socket') - -repo_base_path = config.get('serve', 'repo-base') -repo_regex = config.get('serve', 'repo-regex') -template_path = config.get('serve', 'template-path') - -def die(msg): - sys.stderr.write("%s\n" % (msg)) - exit(1) - -db = mysql.connector.connect(host=aur_db_host, user=aur_db_user, - passwd=aur_db_pass, db=aur_db_name, - unix_socket=aur_db_socket) -cur = db.cursor() - -cur.execute("SELECT Name FROM PackageBases") -repos = [row[0] for row in cur] -db.close() - -for repo in repos: - if not re.match(repo_regex, repo): - die('invalid repository name: %s' % (repo)) - -i = 1 -n = len(repos) - -for repo in repos: - print("[%s/%d] %s" % (str(i).rjust(len(str(n))), n, repo)) - - repo_path = repo_base_path + '/' + repo + '.git/' - pygit2.init_repository(repo_path, True, 48, template_path=template_path) - - i += 1 -- cgit v1.2.3-70-g09d2