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Merged
merged 4 commits into from
May 25, 2020
Merged

4.0 address hint for routing call #394

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43cb31e
added address in routing context
martin-neotech May 20, 2020
9a1f18f
fixed stubtests
martin-neotech May 20, 2020
4a2469a
fixed integration tests for the changes
martin-neotech May 25, 2020
4584c51
fixup
martin-neotech May 25, 2020
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17 changes: 16 additions & 1 deletion neo4j/io/__init__.py
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Expand Up @@ -531,12 +531,25 @@ def opener(addr, timeout):
return pool

def __init__(self, opener, pool_config, workspace_config, routing_context, addresses):
"""

:param opener:
:param pool_config:
:param workspace_config:
:param routing_context: Dictionary with routing information
:param addresses:
"""
super(Neo4jPool, self).__init__(opener, pool_config, workspace_config)
# Each database have a routing table, the default database is a special case.
log.debug("[#0000] C: <NEO4J POOL> routing addresses %r", addresses)
self.init_address = addresses[0]
self.routing_tables = {workspace_config.database: RoutingTable(database=workspace_config.database, routers=addresses)}
self.routing_context = routing_context
# self.missing_writer = False
if self.routing_context is None:
self.routing_context = {}
elif "address" in self.routing_context:
raise ConfigurationError("The key 'address' is reserved for routing context.")
self.routing_context["address"] = str(self.init_address)
self.refresh_lock = Lock()

def __repr__(self):
Expand Down Expand Up @@ -580,6 +593,8 @@ def fetch_routing_info(self, *, address, timeout, database):
:param address: router address
:param timeout: seconds
:param database: the data base name to get routing table for
:param init_address: the address by which the client initially contacted the server as a hint for inclusion in the returned routing table.

:return: list of routing records or
None if no connection could be established
:raise ServiceUnavailable: if the server does not support routing or
Expand Down
10 changes: 5 additions & 5 deletions tests/stub/conftest.py
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Expand Up @@ -35,7 +35,7 @@
# log = logging.getLogger("neo4j")


class StubServer():
class StubServer:

def __init__(self, port, script):
self.port = port
Expand All @@ -62,7 +62,7 @@ def kill(self):
self._process.kill()


class StubCluster(object):
class StubCluster:

def __init__(self, servers):
self.servers = {port: StubServer(port, script) for port, script in dict(servers).items()}
Expand Down Expand Up @@ -99,7 +99,7 @@ def run(self):
check_call(["python", "-m", "boltkit.legacy.stub", "-v", str(self.port), self.script])


class LegacyStubCluster(object):
class LegacyStubCluster:

def __init__(self, servers):
self.servers = {port: LegacyStubServer(port, script) for port, script in dict(servers).items()}
Expand Down Expand Up @@ -157,8 +157,8 @@ def driver_info():
""" Base class for test cases that integrate with a server.
"""
return {
"uri": "bolt://localhost:7687",
"bolt_routing_uri": "neo4j://localhost:7687",
"uri_bolt": "bolt://localhost:9001",
"uri_neo4j": "neo4j://localhost:9001",
"user": "test",
"password": "test",
"auth_token": ("test", "test")
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/broken_router.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {}
PULL_ALL
S: FAILURE {"code": "Neo.DatabaseError.General.UnknownError", "message": "An unknown error occurred."}
IGNORED
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v3/dbms_cluster_routing_get_routing_table_system.script
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Expand Up @@ -4,7 +4,7 @@
C: HELLO {"user_agent": "test", "scheme": "basic", "principal": "test", "credentials": "test"}
S: SUCCESS {"server": "Neo4j/3.5.0", "connection_id": "12345678-1234-1234-1234-123456789000"}

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [1234, [{"role":"WRITE", "addresses":["127.0.0.1:9001"]}, {"role":"READ", "addresses":["127.0.0.1:9002", "127.0.0.1:9003"]}, {"role":"ROUTE", "addresses":["127.0.0.1:9001", "127.0.0.1:9002", "127.0.0.1:9003"]}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/get_routing_table.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [9223372036854775807, [{"addresses": ["127.0.0.1:9001"],"role": "WRITE"}, {"addresses": ["127.0.0.1:9002"], "role": "READ"},{"addresses": ["127.0.0.1:9001", "127.0.0.1:9002"], "role": "ROUTE"}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/get_routing_table_with_context.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"name": "molly", "age": "1"}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"name": "molly", "age": "1", "address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [9223372036854775807, [{"addresses": ["127.0.0.1:9001"],"role": "WRITE"}, {"addresses": ["127.0.0.1:9002"], "role": "READ"},{"addresses": ["127.0.0.1:9001", "127.0.0.1:9002"], "role": "ROUTE"}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/non_router.script
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@@ -1,8 +1,9 @@
!: BOLT 3
!: AUTO HELLO
!: AUTO GOODBYE
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode":"r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode":"r"}
PULL_ALL
S: FAILURE {"code": "Neo.ClientError.Procedure.ProcedureNotFound", "message": "Not a router"}
IGNORED
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v3/router.script
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Expand Up @@ -4,7 +4,7 @@
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [300, [{"role":"ROUTE","addresses":["127.0.0.1:9001","127.0.0.1:9002","127.0.0.1:9003"]},{"role":"READ","addresses":["127.0.0.1:9004","127.0.0.1:9005"]},{"role":"WRITE","addresses":["127.0.0.1:9006"]}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/router_no_readers.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [300, [{"role":"ROUTE","addresses":["127.0.0.1:9001","127.0.0.1:9002","127.0.0.1:9003"]},{"role":"READ","addresses":[]},{"role":"WRITE","addresses":["127.0.0.1:9006"]}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/router_no_routers.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [300, [{"role":"ROUTE","addresses":[]},{"role":"READ","addresses":["127.0.0.1:9004","127.0.0.1:9005"]},{"role":"WRITE","addresses":["127.0.0.1:9006"]}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/router_no_writers.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [300, [{"role":"ROUTE","addresses":["127.0.0.1:9001","127.0.0.1:9002","127.0.0.1:9003"]},{"role":"READ","addresses":["127.0.0.1:9004","127.0.0.1:9005"]},{"role":"WRITE","addresses":[]}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/router_with_multiple_servers.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [300, [{"role":"ROUTE","addresses":["127.0.0.1:9001","127.0.0.1:9002"]},{"role":"READ","addresses":["127.0.0.1:9001","127.0.0.1:9003"]},{"role":"WRITE","addresses":["127.0.0.1:9004"]}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/router_with_multiple_writers.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [300, [{"role":"ROUTE","addresses":["127.0.0.1:9001","127.0.0.1:9002","127.0.0.1:9003"]},{"role":"READ","addresses":["127.0.0.1:9004","127.0.0.1:9005"]},{"role":"WRITE","addresses":["127.0.0.1:9006","127.0.0.1:9007"]}]]
Expand Down
3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/rude_router.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: <EXIT>

3 changes: 2 additions & 1 deletion tests/stub/scripts/v3/silent_router.script
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Expand Up @@ -2,8 +2,9 @@
!: AUTO HELLO
!: AUTO GOODBYE
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {}} {"mode": "r"}
C: RUN "CALL dbms.cluster.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r"}
PULL_ALL
S: SUCCESS {"fields": ["ttl", "servers"]}
SUCCESS {}
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/dbms_routing_get_routing_table_system_default.script
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Expand Up @@ -4,7 +4,7 @@
C: HELLO {"user_agent": "test", "scheme": "basic", "principal": "test", "credentials": "test"}
S: SUCCESS {"server": "Neo4j/4.0.0", "connection_id": "12345678-1234-1234-1234-123456789000"}

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [1234, [{"role":"WRITE", "addresses":["127.0.0.1:9001"]}, {"role":"READ", "addresses":["127.0.0.1:9002", "127.0.0.1:9003"]}, {"role":"ROUTE", "addresses":["127.0.0.1:9001", "127.0.0.1:9002", "127.0.0.1:9003"]}]]
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/dbms_routing_get_routing_table_system_neo4j.script
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Expand Up @@ -4,7 +4,7 @@
C: HELLO {"user_agent": "test", "scheme": "basic", "principal": "test", "credentials": "test"}
S: SUCCESS {"server": "Neo4j/4.0.0", "connection_id": "12345678-1234-1234-1234-123456789000"}

C: RUN "CALL dbms.routing.getRoutingTable($context, $database)" {"context": {}, "database": "neo4j"} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context, $database)" {"context": {"address": "localhost:9001"}, "database": "neo4j"} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [1234, [{"role":"WRITE", "addresses":["127.0.0.1:9001"]}, {"role":"READ", "addresses":["127.0.0.1:9002", "127.0.0.1:9003"]}, {"role":"ROUTE", "addresses":["127.0.0.1:9001", "127.0.0.1:9002", "127.0.0.1:9003"]}]]
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/router.script
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Expand Up @@ -4,7 +4,7 @@
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [300, [{"role":"ROUTE","addresses":["127.0.0.1:9001","127.0.0.1:9002","127.0.0.1:9003"]},{"role":"READ","addresses":["127.0.0.1:9004","127.0.0.1:9005"]},{"role":"WRITE","addresses":["127.0.0.1:9006"]}]]
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/router_get_routing_table_with_context.script
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Expand Up @@ -4,7 +4,7 @@
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"name": "molly", "age": "1"}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"name": "molly", "age": "1", "address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [302, [{"role":"ROUTE", "addresses":["127.0.0.1:9001", "127.0.0.1:9002"]}, {"role":"READ", "addresses":["127.0.0.1:9002"]}, {"role":"WRITE", "addresses":["127.0.0.1:9001"]}]]
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/router_port_9001_one_read_port_9004_one_write_port_9006.script
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Expand Up @@ -6,7 +6,7 @@
C: HELLO {"user_agent": "test", "scheme": "basic", "principal": "test", "credentials": "test"}
S: SUCCESS {"server": "Neo4j/4.0.0", "connection_id": "123e4567-e89b-12d3-a456-426655440000"}

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context":{}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [300, [{"role":"ROUTE", "addresses":["127.0.0.1:9001", "127.0.0.1:9002"]}, {"role":"READ", "addresses":["127.0.0.1:9004"]}, {"role":"WRITE", "addresses":["127.0.0.1:9006"]}]]
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/router_role_route_share_port_with_role_read_and_role_write.script
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Expand Up @@ -4,7 +4,7 @@
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [302, [{"role":"ROUTE", "addresses":["127.0.0.1:9001", "127.0.0.1:9002"]}, {"role":"READ", "addresses":["127.0.0.1:9002"]}, {"role":"WRITE", "addresses":["127.0.0.1:9001"]}]]
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/router_with_no_role_read.script
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Expand Up @@ -4,7 +4,7 @@
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [304, [{"role":"ROUTE", "addresses":["127.0.0.1:9001", "127.0.0.1:9002", "127.0.0.1:9003"]}, {"role":"READ", "addresses":[]}, {"role":"WRITE", "addresses":["127.0.0.1:9006"]}]]
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/router_with_no_role_write.script
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Expand Up @@ -4,7 +4,7 @@
!: AUTO RESET
!: PORT 9001

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
RECORD [303, [{"role":"ROUTE", "addresses":["127.0.0.1:9001", "127.0.0.1:9002", "127.0.0.1:9003"]}, {"role":"READ", "addresses":["127.0.0.1:9004", "127.0.0.1:9005"]}, {"role":"WRITE", "addresses":[]}]]
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/routing_table_failure_not_a_router.script
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Expand Up @@ -2,7 +2,7 @@
!: AUTO HELLO
!: AUTO GOODBYE

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: FAILURE {"code": "Neo.ClientError.Procedure.ProcedureNotFound", "message": "Not a router"}
IGNORED
Expand Down
2 changes: 1 addition & 1 deletion tests/stub/scripts/v4x0/routing_table_silent_router.script
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Expand Up @@ -3,7 +3,7 @@
!: AUTO GOODBYE
!: AUTO RESET

C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {}} {"mode": "r", "db": "system"}
C: RUN "CALL dbms.routing.getRoutingTable($context)" {"context": {"address": "localhost:9001"}} {"mode": "r", "db": "system"}
PULL {"n": -1}
S: SUCCESS {"fields": ["ttl", "servers"]}
SUCCESS {}
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