# -*- coding: utf-8 -*- """ rhodecode.lib.indexers.daemon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A daemon will read from task table and run tasks :created_on: Jan 26, 2010 :author: marcink :copyright: (C) 2010-2012 Marcin Kuzminski :license: GPLv3, see COPYING for more details. """ # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . from __future__ import with_statement import os import sys import logging import traceback from shutil import rmtree from time import mktime from os.path import dirname as dn from os.path import join as jn #to get the rhodecode import project_path = dn(dn(dn(dn(os.path.realpath(__file__))))) sys.path.append(project_path) from rhodecode.config.conf import INDEX_EXTENSIONS from rhodecode.model.scm import ScmModel from rhodecode.lib.utils2 import safe_unicode from rhodecode.lib.indexers import SCHEMA, IDX_NAME, CHGSETS_SCHEMA, CHGSET_IDX_NAME from rhodecode.lib.vcs.exceptions import ChangesetError, RepositoryError, \ NodeDoesNotExistError from whoosh.index import create_in, open_dir, exists_in from whoosh.query import * from whoosh.qparser import QueryParser log = logging.getLogger('whoosh_indexer') class WhooshIndexingDaemon(object): """ Daemon for atomic indexing jobs """ def __init__(self, indexname=IDX_NAME, index_location=None, repo_location=None, sa=None, repo_list=None, repo_update_list=None): self.indexname = indexname self.index_location = index_location if not index_location: raise Exception('You have to provide index location') self.repo_location = repo_location if not repo_location: raise Exception('You have to provide repositories location') self.repo_paths = ScmModel(sa).repo_scan(self.repo_location) #filter repo list if repo_list: self.filtered_repo_paths = {} for repo_name, repo in self.repo_paths.items(): if repo_name in repo_list: self.filtered_repo_paths[repo_name] = repo self.repo_paths = self.filtered_repo_paths #filter update repo list self.filtered_repo_update_paths = {} if repo_update_list: self.filtered_repo_update_paths = {} for repo_name, repo in self.repo_paths.items(): if repo_name in repo_update_list: self.filtered_repo_update_paths[repo_name] = repo self.repo_paths = self.filtered_repo_update_paths self.initial = True if not os.path.isdir(self.index_location): os.makedirs(self.index_location) log.info('Cannot run incremental index since it does not' ' yet exist running full build') elif not exists_in(self.index_location, IDX_NAME): log.info('Running full index build as the file content' ' index does not exist') elif not exists_in(self.index_location, CHGSET_IDX_NAME): log.info('Running full index build as the changeset' ' index does not exist') else: self.initial = False def get_paths(self, repo): """ recursive walk in root dir and return a set of all path in that dir based on repository walk function """ index_paths_ = set() try: tip = repo.get_changeset('tip') for topnode, dirs, files in tip.walk('/'): for f in files: index_paths_.add(jn(repo.path, f.path)) except RepositoryError, e: log.debug(traceback.format_exc()) pass return index_paths_ def get_node(self, repo, path): n_path = path[len(repo.path) + 1:] node = repo.get_changeset().get_node(n_path) return node def get_node_mtime(self, node): return mktime(node.last_changeset.date.timetuple()) def add_doc(self, writer, path, repo, repo_name): """ Adding doc to writer this function itself fetches data from the instance of vcs backend """ node = self.get_node(repo, path) indexed = indexed_w_content = 0 # we just index the content of chosen files, and skip binary files if node.extension in INDEX_EXTENSIONS and not node.is_binary: u_content = node.content if not isinstance(u_content, unicode): log.warning(' >> %s Could not get this content as unicode ' 'replacing with empty content' % path) u_content = u'' else: log.debug(' >> %s [WITH CONTENT]' % path) indexed_w_content += 1 else: log.debug(' >> %s' % path) # just index file name without it's content u_content = u'' indexed += 1 p = safe_unicode(path) writer.add_document( fileid=p, owner=unicode(repo.contact), repository=safe_unicode(repo_name), path=p, content=u_content, modtime=self.get_node_mtime(node), extension=node.extension ) return indexed, indexed_w_content def index_changesets(self, writer, repo_name, repo, start_rev=None): """ Add all changeset in the vcs repo starting at start_rev to the index writer :param writer: the whoosh index writer to add to :param repo_name: name of the repository from whence the changeset originates including the repository group :param repo: the vcs repository instance to index changesets for, the presumption is the repo has changesets to index :param start_rev=None: the full sha id to start indexing from if start_rev is None then index from the first changeset in the repo """ if start_rev is None: start_rev = repo[0].raw_id log.debug('indexing changesets in %s starting at rev: %s' % (repo_name, start_rev)) indexed=0 for cs in repo.get_changesets(start=start_rev): writer.add_document( raw_id=unicode(cs.raw_id), owner=unicode(repo.contact), repository=safe_unicode(repo_name), author=cs.author, message=cs.message, last=cs.last, added=u' '.join([node.path for node in cs.added]).lower(), removed=u' '.join([node.path for node in cs.removed]).lower(), changed=u' '.join([node.path for node in cs.changed]).lower(), parents=u' '.join([cs.raw_id for cs in cs.parents]), ) indexed += 1 log.debug('indexed %d changesets for repo %s' % (indexed, repo_name)) def index_files(self, file_idx_writer, repo_name, repo): i_cnt = iwc_cnt = 0 log.debug('building index for [%s]' % repo.path) for idx_path in self.get_paths(repo): i, iwc = self.add_doc(file_idx_writer, idx_path, repo, repo_name) i_cnt += i iwc_cnt += iwc log.debug('added %s files %s with content for repo %s' % (i_cnt + iwc_cnt, iwc_cnt, repo.path)) def update_changeset_index(self): idx = open_dir(self.index_location, indexname=CHGSET_IDX_NAME) with idx.searcher() as searcher: writer = idx.writer() writer_is_dirty = False try: for repo_name, repo in self.repo_paths.items(): # skip indexing if there aren't any revs in the repo num_of_revs = len(repo) if num_of_revs < 1: continue qp = QueryParser('repository', schema=CHGSETS_SCHEMA) q = qp.parse(u"last:t AND %s" % repo_name) results = searcher.search(q) # default to scanning the entire repo last_rev = 0 start_id = None if len(results) > 0: # assuming that there is only one result, if not this # may require a full re-index. start_id = results[0]['raw_id'] last_rev = repo.get_changeset(revision=start_id).revision # there are new changesets to index or a new repo to index if last_rev == 0 or num_of_revs > last_rev + 1: # delete the docs in the index for the previous last changeset(s) for hit in results: q = qp.parse(u"last:t AND %s AND raw_id:%s" % (repo_name, hit['raw_id'])) writer.delete_by_query(q) # index from the previous last changeset + all new ones self.index_changesets(writer, repo_name, repo, start_id) writer_is_dirty = True finally: if writer_is_dirty: log.debug('>> COMMITING CHANGES TO CHANGESET INDEX<<') writer.commit(merge=True) log.debug('>> COMMITTED CHANGES TO CHANGESET INDEX<<') else: writer.cancel def update_file_index(self): log.debug((u'STARTING INCREMENTAL INDEXING UPDATE FOR EXTENSIONS %s ' 'AND REPOS %s') % (INDEX_EXTENSIONS, self.repo_paths.keys())) idx = open_dir(self.index_location, indexname=self.indexname) # The set of all paths in the index indexed_paths = set() # The set of all paths we need to re-index to_index = set() writer = idx.writer() writer_is_dirty = False try: with idx.reader() as reader: # Loop over the stored fields in the index for fields in reader.all_stored_fields(): indexed_path = fields['path'] indexed_repo_path = fields['repository'] indexed_paths.add(indexed_path) if not indexed_repo_path in self.filtered_repo_update_paths: continue repo = self.repo_paths[indexed_repo_path] try: node = self.get_node(repo, indexed_path) # Check if this file was changed since it was indexed indexed_time = fields['modtime'] mtime = self.get_node_mtime(node) if mtime > indexed_time: # The file has changed, delete it and add it to the list of # files to reindex log.debug('adding to reindex list %s mtime: %s vs %s' % ( indexed_path, mtime, indexed_time) ) writer.delete_by_term('fileid', indexed_path) writer_is_dirty = True to_index.add(indexed_path) except (ChangesetError, NodeDoesNotExistError): # This file was deleted since it was indexed log.debug('removing from index %s' % indexed_path) writer.delete_by_term('path', indexed_path) writer_is_dirty = True # Loop over the files in the filesystem # Assume we have a function that gathers the filenames of the # documents to be indexed ri_cnt_total = 0 # indexed riwc_cnt_total = 0 # indexed with content for repo_name, repo in self.repo_paths.items(): # skip indexing if there aren't any revisions if len(repo) < 1: continue ri_cnt = 0 # indexed riwc_cnt = 0 # indexed with content for path in self.get_paths(repo): path = safe_unicode(path) if path in to_index or path not in indexed_paths: # This is either a file that's changed, or a new file # that wasn't indexed before. So index it! i, iwc = self.add_doc(writer, path, repo, repo_name) writer_is_dirty = True log.debug('re indexing %s' % path) ri_cnt += i ri_cnt_total += 1 riwc_cnt += iwc riwc_cnt_total += iwc log.debug('added %s files %s with content for repo %s' % ( ri_cnt + riwc_cnt, riwc_cnt, repo.path) ) log.debug('indexed %s files in total and %s with content' % ( ri_cnt_total, riwc_cnt_total) ) finally: if writer_is_dirty: log.debug('>> COMMITING CHANGES <<') writer.commit(merge=True) log.debug('>>> FINISHED REBUILDING INDEX <<<') else: writer.cancel() def build_indexes(self): if os.path.exists(self.index_location): log.debug('removing previous index') rmtree(self.index_location) if not os.path.exists(self.index_location): os.mkdir(self.index_location) chgset_idx = create_in(self.index_location, CHGSETS_SCHEMA, indexname=CHGSET_IDX_NAME) chgset_idx_writer = chgset_idx.writer() file_idx = create_in(self.index_location, SCHEMA, indexname=IDX_NAME) file_idx_writer = file_idx.writer() log.debug('BUILDING INDEX FOR EXTENSIONS %s ' 'AND REPOS %s' % (INDEX_EXTENSIONS, self.repo_paths.keys())) for repo_name, repo in self.repo_paths.items(): # skip indexing if there aren't any revisions if len(repo) < 1: continue self.index_files(file_idx_writer, repo_name, repo) self.index_changesets(chgset_idx_writer, repo_name, repo) log.debug('>> COMMITING CHANGES <<') file_idx_writer.commit(merge=True) chgset_idx_writer.commit(merge=True) log.debug('>>> FINISHED BUILDING INDEX <<<') def update_indexes(self): self.update_file_index() self.update_changeset_index() def run(self, full_index=False): """Run daemon""" if full_index or self.initial: self.build_indexes() else: self.update_indexes()