Changeset - c7b919b2d90d
[Not reviewed]
beta
0 1 0
Marcin Kuzminski - 12 years ago 2013-05-28 21:21:58
marcin@python-works.com
Changed default behaviour of dbmanage to fix issues with continues
migrations from multiple versions
1 file changed with 106 insertions and 111 deletions:
0 comments (0 inline, 0 general)
rhodecode/lib/db_manage.py
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@@ -26,6 +26,7 @@
 

	
 
import os
 
import sys
 
import time
 
import uuid
 
import logging
 
from os.path import dirname as dn, join as jn
 
@@ -56,108 +57,8 @@ def notify(msg):
 
    Notification for migrations messages
 
    """
 
    ml = len(msg) + (4 * 2)
 
    print >> sys.stdout, ('*** %s ***\n%s' % (msg, '*' * ml)).upper()
 

	
 

	
 
class DbManage(object):
 
    def __init__(self, log_sql, dbconf, root, tests=False, cli_args={}):
 
        self.dbname = dbconf.split('/')[-1]
 
        self.tests = tests
 
        self.root = root
 
        self.dburi = dbconf
 
        self.log_sql = log_sql
 
        self.db_exists = False
 
        self.cli_args = cli_args
 
        self.init_db()
 

	
 
        force_ask = self.cli_args.get('force_ask')
 
        if force_ask is not None:
 
            global ask_ok
 
            ask_ok = lambda *args, **kwargs: force_ask
 

	
 
    def init_db(self):
 
        engine = create_engine(self.dburi, echo=self.log_sql)
 
        init_model(engine)
 
        self.sa = Session()
 

	
 
    def create_tables(self, override=False):
 
        """
 
        Create a auth database
 
        """
 

	
 
        log.info("Any existing database is going to be destroyed")
 
        if self.tests:
 
            destroy = True
 
        else:
 
            destroy = ask_ok('Are you sure to destroy old database ? [y/n]')
 
        if not destroy:
 
            sys.exit('Nothing tables created')
 
        if destroy:
 
            Base.metadata.drop_all()
 

	
 
        checkfirst = not override
 
        Base.metadata.create_all(checkfirst=checkfirst)
 
        log.info('Created tables for %s' % self.dbname)
 

	
 
    def set_db_version(self):
 
        ver = DbMigrateVersion()
 
        ver.version = __dbversion__
 
        ver.repository_id = 'rhodecode_db_migrations'
 
        ver.repository_path = 'versions'
 
        self.sa.add(ver)
 
        log.info('db version set to: %s' % __dbversion__)
 
    print('\n%s\n*** %s ***\n%s' % ('*' * ml, msg, '*' * ml)).upper()
 

	
 
    def upgrade(self):
 
        """
 
        Upgrades given database schema to given revision following
 
        all needed steps, to perform the upgrade
 

	
 
        """
 

	
 
        from rhodecode.lib.dbmigrate.migrate.versioning import api
 
        from rhodecode.lib.dbmigrate.migrate.exceptions import \
 
            DatabaseNotControlledError
 

	
 
        if 'sqlite' in self.dburi:
 
            print (
 
               '********************** WARNING **********************\n'
 
               'Make sure your version of sqlite is at least 3.7.X.  \n'
 
               'Earlier versions are known to fail on some migrations\n'
 
               '*****************************************************\n'
 
            )
 
        upgrade = ask_ok('You are about to perform database upgrade, make '
 
                         'sure You backed up your database before. '
 
                         'Continue ? [y/n]')
 
        if not upgrade:
 
            sys.exit('No upgrade performed')
 

	
 
        repository_path = jn(dn(dn(dn(os.path.realpath(__file__)))),
 
                             'rhodecode/lib/dbmigrate')
 
        db_uri = self.dburi
 

	
 
        try:
 
            curr_version = api.db_version(db_uri, repository_path)
 
            msg = ('Found current database under version'
 
                 ' control with version %s' % curr_version)
 

	
 
        except (RuntimeError, DatabaseNotControlledError):
 
            curr_version = 1
 
            msg = ('Current database is not under version control. Setting'
 
                   ' as version %s' % curr_version)
 
            api.version_control(db_uri, repository_path, curr_version)
 

	
 
        notify(msg)
 

	
 
        if curr_version == __dbversion__:
 
            sys.exit('This database is already at the newest version')
 

	
 
        # clear cache keys
 
        log.info("Clearing cache keys now...")
 
        CacheInvalidation.clear_cache()
 

	
 
        #======================================================================
 
        # UPGRADE STEPS
 
        #======================================================================
 

	
 
        class UpgradeSteps(object):
 
            """
 
@@ -277,14 +178,7 @@ class DbManage(object):
 
                Session().commit()
 

	
 
            def step_9(self):
 
                perm_fixes = self.klass.reset_permissions(User.DEFAULT_USER)
 
                Session().commit()
 
                if perm_fixes:
 
                    notify('There was an inconsistent state of permissions '
 
                           'detected for default user. Permissions are now '
 
                           'reset to the default value for default user. '
 
                           'Please validate and check default permissions '
 
                           'in admin panel')
 
        pass
 

	
 
            def step_10(self):
 
                pass
 
@@ -322,6 +216,103 @@ class DbManage(object):
 
            def step_13(self):
 
                pass
 

	
 

	
 
class DbManage(object):
 
    def __init__(self, log_sql, dbconf, root, tests=False, cli_args={}):
 
        self.dbname = dbconf.split('/')[-1]
 
        self.tests = tests
 
        self.root = root
 
        self.dburi = dbconf
 
        self.log_sql = log_sql
 
        self.db_exists = False
 
        self.cli_args = cli_args
 
        self.init_db()
 

	
 
        force_ask = self.cli_args.get('force_ask')
 
        if force_ask is not None:
 
            global ask_ok
 
            ask_ok = lambda *args, **kwargs: force_ask
 

	
 
    def init_db(self):
 
        engine = create_engine(self.dburi, echo=self.log_sql)
 
        init_model(engine)
 
        self.sa = Session()
 

	
 
    def create_tables(self, override=False):
 
        """
 
        Create a auth database
 
        """
 

	
 
        log.info("Any existing database is going to be destroyed")
 
        if self.tests:
 
            destroy = True
 
        else:
 
            destroy = ask_ok('Are you sure to destroy old database ? [y/n]')
 
        if not destroy:
 
            sys.exit('Nothing tables created')
 
        if destroy:
 
            Base.metadata.drop_all()
 

	
 
        checkfirst = not override
 
        Base.metadata.create_all(checkfirst=checkfirst)
 
        log.info('Created tables for %s' % self.dbname)
 

	
 
    def set_db_version(self):
 
        ver = DbMigrateVersion()
 
        ver.version = __dbversion__
 
        ver.repository_id = 'rhodecode_db_migrations'
 
        ver.repository_path = 'versions'
 
        self.sa.add(ver)
 
        log.info('db version set to: %s' % __dbversion__)
 

	
 
    def upgrade(self):
 
        """
 
        Upgrades given database schema to given revision following
 
        all needed steps, to perform the upgrade
 

	
 
        """
 

	
 
        from rhodecode.lib.dbmigrate.migrate.versioning import api
 
        from rhodecode.lib.dbmigrate.migrate.exceptions import \
 
            DatabaseNotControlledError
 

	
 
        if 'sqlite' in self.dburi:
 
            print (
 
               '********************** WARNING **********************\n'
 
               'Make sure your version of sqlite is at least 3.7.X.  \n'
 
               'Earlier versions are known to fail on some migrations\n'
 
               '*****************************************************\n'
 
            )
 
        upgrade = ask_ok('You are about to perform database upgrade, make '
 
                         'sure You backed up your database before. '
 
                         'Continue ? [y/n]')
 
        if not upgrade:
 
            sys.exit('No upgrade performed')
 

	
 
        repository_path = jn(dn(dn(dn(os.path.realpath(__file__)))),
 
                             'rhodecode/lib/dbmigrate')
 
        db_uri = self.dburi
 

	
 
        try:
 
            curr_version = api.db_version(db_uri, repository_path)
 
            msg = ('Found current database under version'
 
                 ' control with version %s' % curr_version)
 

	
 
        except (RuntimeError, DatabaseNotControlledError):
 
            curr_version = 1
 
            msg = ('Current database is not under version control. Setting'
 
                   ' as version %s' % curr_version)
 
            api.version_control(db_uri, repository_path, curr_version)
 

	
 
        notify(msg)
 

	
 
        if curr_version == __dbversion__:
 
            sys.exit('This database is already at the newest version')
 

	
 
        # clear cache keys
 
        log.info("Clearing cache keys now...")
 
        CacheInvalidation.clear_cache()
 

	
 
        upgrade_steps = range(curr_version + 1, __dbversion__ + 1)
 
        notify('attempting to do database upgrade from '
 
               'version %s to version %s' % (curr_version, __dbversion__))
 
@@ -330,12 +321,16 @@ class DbManage(object):
 
        _step = None
 
        for step in upgrade_steps:
 
            notify('performing upgrade step %s' % step)
 
            time.sleep(2)
 

	
 
            api.upgrade(db_uri, repository_path, step)
 
            notify('Schema upgrade for step %s completed' % (step,))
 
            notify('schema upgrade for step %s completed' % (step,))
 

	
 
            getattr(UpgradeSteps(self), 'step_%s' % step)()
 
            fixture = 'step_%s' % step
 
            notify('performing fixture step %s' % fixture)
 
            getattr(UpgradeSteps(self), fixture)()
 
            self.sa.commit()
 
            notify('fixture %s completed' % (fixture,))
 
            _step = step
 

	
 
        notify('upgrade to version %s successful' % _step)
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