コード例 #1
0
def get_indexes(all_indexes):
    indexes = []
    global_indexes = []
    for index in all_indexes:
        name = index['name']
        schema = get_schema_param(index.get('hash_key_name'), index.get('hash_key_type'), index.get('range_key_name'), index.get('range_key_type'))
        throughput = {
            'read': index.get('read_capacity', 1),
            'write': index.get('write_capacity', 1)
        }

        if index['type'] == 'all':
            indexes.append(AllIndex(name, parts=schema))

        elif index['type'] == 'global_all':
            global_indexes.append(GlobalAllIndex(name, parts=schema, throughput=throughput))

        elif index['type'] == 'global_include':
            global_indexes.append(GlobalIncludeIndex(name, parts=schema, throughput=throughput, includes=index['includes']))

        elif index['type'] == 'global_keys_only':
            global_indexes.append(GlobalKeysOnlyIndex(name, parts=schema, throughput=throughput))

        elif index['type'] == 'include':
            indexes.append(IncludeIndex(name, parts=schema, includes=index['includes']))

        elif index['type'] == 'keys_only':
            indexes.append(KeysOnlyIndex(name, parts=schema))

    return indexes, global_indexes
コード例 #2
0
    def pf_ddb_create_table(self, name):
        # creating a full table with all options specified.
        users = Table.create(name, schema=[
            HashKey('username'),
            RangeKey('friend_count', data_type=NUMBER)
        ], throughput={
            'read': 5,
            'write': 5,
        }, indexes=[
            KeysOnlyIndex('LastNameIndex', parts=[
                HashKey('username'),
                RangeKey('last_name')
            ]),
        ])

        # Wait for it.
        time.sleep(60)
        
        return json.dumps(name + " table created")
コード例 #3
0
ファイル: fs.py プロジェクト: lunastorm/DynamoFS
    def createTable(self):
        provider = Provider('aws')
        connection = DynamoDBConnection(aws_access_key_id=provider.get_access_key(),
            aws_secret_access_key=provider.get_secret_key(), region=self.regionv2)
        self.blockTablev2 = Table.create(self.tableName + "Blocks",
            schema=[
                HashKey('blockId'),
                RangeKey('blockNum', data_type=NUMBER)
            ],
            throughput={'read': 30, 'write': 10},
            connection=connection
        )
        self.tablev2 = Table.create(self.tableName,
            schema=[
                HashKey('path'),
                RangeKey('name')
            ],
            throughput={'read': 30, 'write': 10},
            indexes=[
                KeysOnlyIndex("Links", parts=[
                    HashKey('path'),
                    RangeKey('link')
                ])
            ],
            connection=connection
        )

        description = connection.describe_table(self.tableName)
        iter = 0
        while description["Table"]["TableStatus"] != "ACTIVE":
            print "Waiting for %s to create %d..." % (self.tableName, iter)
            iter += 1
            sleep(1)
            description = connection.describe_table(self.tableName)
        self.table = self.conn.get_table(self.tableName)
        self.blockTable = self.conn.get_table(self.tableName + "Blocks")
コード例 #4
0
    def test_integration(self):
        # Test creating a full table with all options specified.
        users = Table.create('users', schema=[
            HashKey('username'),
            RangeKey('friend_count', data_type=NUMBER)
        ], throughput={
            'read': 5,
            'write': 5,
        }, indexes=[
            KeysOnlyIndex('LastNameIndex', parts=[
                HashKey('username'),
                RangeKey('last_name')
            ]),
        ])
        self.addCleanup(users.delete)

        self.assertEqual(len(users.schema), 2)
        self.assertEqual(users.throughput['read'], 5)

        # Wait for it.
        time.sleep(60)

        # Make sure things line up if we're introspecting the table.
        users_hit_api = Table('users')
        users_hit_api.describe()
        self.assertEqual(len(users.schema), len(users_hit_api.schema))
        self.assertEqual(users.throughput, users_hit_api.throughput)
        self.assertEqual(len(users.indexes), len(users_hit_api.indexes))

        # Test putting some items individually.
        users.put_item(data={
            'username': '******',
            'first_name': 'John',
            'last_name': 'Doe',
            'friend_count': 4
        })

        users.put_item(data={
            'username': '******',
            'first_name': 'Alice',
            'last_name': 'Expert',
            'friend_count': 2
        })

        time.sleep(5)

        # Test batch writing.
        with users.batch_write() as batch:
            batch.put_item({
                'username': '******',
                'first_name': 'Jane',
                'last_name': 'Doe',
                'friend_count': 3
            })
            batch.delete_item(username='******', friend_count=2)
            batch.put_item({
                'username': '******',
                'first_name': 'Bob',
                'last_name': 'Smith',
                'friend_count': 1
            })

        time.sleep(5)

        # Test getting an item & updating it.
        # This is the "safe" variant (only write if there have been no
        # changes).
        jane = users.get_item(username='******', friend_count=3)
        self.assertEqual(jane['first_name'], 'Jane')
        jane['last_name'] = 'Doh'
        self.assertTrue(jane.save())

        # Test strongly consistent getting of an item.
        # Additionally, test the overwrite behavior.
        client_1_jane = users.get_item(
            username='******',
            friend_count=3,
            consistent=True
        )
        self.assertEqual(jane['first_name'], 'Jane')
        client_2_jane = users.get_item(
            username='******',
            friend_count=3,
            consistent=True
        )
        self.assertEqual(jane['first_name'], 'Jane')

        # Write & assert the ``first_name`` is gone, then...
        del client_1_jane['first_name']
        self.assertTrue(client_1_jane.save())
        check_name = users.get_item(
            username='******',
            friend_count=3,
            consistent=True
        )
        self.assertEqual(check_name['first_name'], None)

        # ...overwrite the data with what's in memory.
        client_2_jane['first_name'] = 'Joan'
        # Now a write that fails due to default expectations...
        self.assertRaises(exceptions.JSONResponseError, client_2_jane.save)
        # ... so we force an overwrite.
        self.assertTrue(client_2_jane.save(overwrite=True))
        check_name_again = users.get_item(
            username='******',
            friend_count=3,
            consistent=True
        )
        self.assertEqual(check_name_again['first_name'], 'Joan')

        # Reset it.
        jane['username'] = '******'
        jane['first_name'] = 'Jane'
        jane['last_name'] = 'Doe'
        jane['friend_count'] = 3
        self.assertTrue(jane.save(overwrite=True))

        # Test the partial update behavior.
        client_3_jane = users.get_item(
            username='******',
            friend_count=3,
            consistent=True
        )
        client_4_jane = users.get_item(
            username='******',
            friend_count=3,
            consistent=True
        )
        client_3_jane['favorite_band'] = 'Feed Me'
        # No ``overwrite`` needed due to new data.
        self.assertTrue(client_3_jane.save())
        # Expectations are only checked on the ``first_name``, so what wouldn't
        # have succeeded by default does succeed here.
        client_4_jane['first_name'] = 'Jacqueline'
        self.assertTrue(client_4_jane.partial_save())
        partial_jane = users.get_item(
            username='******',
            friend_count=3,
            consistent=True
        )
        self.assertEqual(partial_jane['favorite_band'], 'Feed Me')
        self.assertEqual(partial_jane['first_name'], 'Jacqueline')

        # Reset it.
        jane['username'] = '******'
        jane['first_name'] = 'Jane'
        jane['last_name'] = 'Doe'
        jane['friend_count'] = 3
        self.assertTrue(jane.save(overwrite=True))

        # Ensure that partial saves of a brand-new object work.
        sadie = Item(users, data={
            'username': '******',
            'first_name': 'Sadie',
            'favorite_band': 'Zedd',
            'friend_count': 7
        })
        self.assertTrue(sadie.partial_save())
        serverside_sadie = users.get_item(
            username='******',
            friend_count=7,
            consistent=True
        )
        self.assertEqual(serverside_sadie['first_name'], 'Sadie')

        # Test the eventually consistent query.
        results = users.query(
            username__eq='johndoe',
            last_name__eq='Doe',
            index='LastNameIndex',
            attributes=('username',),
            reverse=True
        )

        for res in results:
            self.assertTrue(res['username'] in ['johndoe',])
            self.assertEqual(res.keys(), ['username'])


        # Test the strongly consistent query.
        c_results = users.query(
            username__eq='johndoe',
            last_name__eq='Doe',
            index='LastNameIndex',
            reverse=True,
            consistent=True
        )

        for res in c_results:
            self.assertTrue(res['username'] in ['johndoe',])

        # Test scans without filters.
        all_users = users.scan(limit=7)
        self.assertEqual(all_users.next()['username'], 'bob')
        self.assertEqual(all_users.next()['username'], 'jane')
        self.assertEqual(all_users.next()['username'], 'johndoe')

        # Test scans with a filter.
        filtered_users = users.scan(limit=2, username__beginswith='j')
        self.assertEqual(filtered_users.next()['username'], 'jane')
        self.assertEqual(filtered_users.next()['username'], 'johndoe')

        # Test deleting a single item.
        johndoe = users.get_item(username='******', friend_count=4)
        johndoe.delete()

        # Test the eventually consistent batch get.
        results = users.batch_get(keys=[
            {'username': '******', 'friend_count': 1},
            {'username': '******', 'friend_count': 3}
        ])
        batch_users = []

        for res in results:
            batch_users.append(res)
            self.assertTrue(res['first_name'] in ['Bob', 'Jane'])

        self.assertEqual(len(batch_users), 2)

        # Test the strongly consistent batch get.
        c_results = users.batch_get(keys=[
            {'username': '******', 'friend_count': 1},
            {'username': '******', 'friend_count': 3}
        ], consistent=True)
        c_batch_users = []

        for res in c_results:
            c_batch_users.append(res)
            self.assertTrue(res['first_name'] in ['Bob', 'Jane'])

        self.assertEqual(len(c_batch_users), 2)

        # Test count, but in a weak fashion. Because lag time.
        self.assertTrue(users.count() > -1)

        # Test query count
        count = users.query_count(
            username__eq='bob',
        )

        self.assertEqual(count, 1)

        # Test without LSIs (describe calls shouldn't fail).
        admins = Table.create('admins', schema=[
            HashKey('username')
        ])
        self.addCleanup(admins.delete)
        time.sleep(60)
        admins.describe()
        self.assertEqual(admins.throughput['read'], 5)
        self.assertEqual(admins.indexes, [])

        # A single query term should fail on a table with *ONLY* a HashKey.
        self.assertRaises(
            exceptions.QueryError,
            admins.query,
            username__eq='johndoe'
        )
        # But it shouldn't break on more complex tables.
        res = users.query(username__eq='johndoe')

        # Test putting with/without sets.
        mau5_created = users.put_item(data={
            'username': '******',
            'first_name': 'dead',
            'last_name': 'mau5',
            'friend_count': 2,
            'friends': set(['skrill', 'penny']),
        })
        self.assertTrue(mau5_created)

        penny_created = users.put_item(data={
            'username': '******',
            'first_name': 'Penny',
            'friend_count': 0,
            'friends': set([]),
        })
        self.assertTrue(penny_created)
コード例 #5
0
import sys
sys.path.append('/Users/pgregg/nosql-service')
sys.path.append('/Users/pgregg/nosql-service/tests')
sys.path.append('/Users/pgregg/nosql-service/tests/integration')
sys.path.append('/Users/pgregg/nosql-service/tests/integration/dynamodb2')

import unittest
from boto.dynamodb2 import exceptions
from boto.dynamodb2.fields import HashKey, RangeKey, KeysOnlyIndex
from boto.dynamodb2.items import Item
from boto.dynamodb2.table import Table
from boto.dynamodb2.types import NUMBER

dynamodb = True

# Test creating a full table with all options specified.
users = Table.create(
    'users',
    schema=[HashKey('username'),
            RangeKey('friend_count', data_type=NUMBER)],
    throughput={
        'read': 5,
        'write': 5,
    },
    indexes=[
        KeysOnlyIndex('LastNameIndex',
                      parts=[HashKey('username'),
                             RangeKey('last_name')]),
    ])