Adds Grant Role support from non-main db (#7404)

DESCRIPTION: Adds support for distributed role-membership management
commands from the databases where Citus is not installed (`GRANT <role>
TO <role>`)

This PR also refactors the code-path that allows executing some of the
node-wide commands so that we use send deparsed query string to other
nodes instead of the `queryString` passed into utility hook.

---------

Co-authored-by: Onur Tirtir <onurcantirtir@gmail.com>
pull/7513/head^2
Gürkan İndibay 2024-02-19 17:53:27 +03:00 committed by GitHub
parent 9a0cdbf5af
commit 2cbfdbfa46
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
9 changed files with 592 additions and 28 deletions

View File

@ -94,6 +94,37 @@
#define MARK_OBJECT_DISTRIBUTED \
"SELECT citus_internal.mark_object_distributed(%d, %s, %d, %s)"
/*
* NonMainDbDistributedStatementInfo is used to determine whether a statement is
* supported from non-main databases and whether it should be marked as
* distributed explicitly (*).
*
* (*) We always have to mark such objects as "distributed" but while for some
* object types we can delegate this to main database, for some others we have
* to explicitly send a command to all nodes in this code-path to achieve this.
*/
typedef struct NonMainDbDistributedStatementInfo
{
int statementType;
bool explicitlyMarkAsDistributed;
} NonMainDbDistributedStatementInfo;
typedef struct MarkObjectDistributedParams
{
char *name;
Oid id;
uint16 catalogRelId;
} MarkObjectDistributedParams;
/*
* NonMainDbSupportedStatements is an array of statements that are supported
* from non-main databases.
*/
static const NonMainDbDistributedStatementInfo NonMainDbSupportedStatements[] = {
{ T_GrantRoleStmt, false },
{ T_CreateRoleStmt, true }
};
bool EnableDDLPropagation = true; /* ddl propagation is enabled */
int CreateObjectPropagationMode = CREATE_OBJECT_PROPAGATION_IMMEDIATE;
@ -122,8 +153,12 @@ static void PostStandardProcessUtility(Node *parsetree);
static void DecrementUtilityHookCountersIfNecessary(Node *parsetree);
static bool IsDropSchemaOrDB(Node *parsetree);
static bool ShouldCheckUndistributeCitusLocalTables(void);
static void RunPreprocessMainDBCommand(Node *parsetree, const char *queryString);
static void RunPreprocessMainDBCommand(Node *parsetree);
static void RunPostprocessMainDBCommand(Node *parsetree);
static bool IsStatementSupportedFromNonMainDb(Node *parsetree);
static bool StatementRequiresMarkDistributedFromNonMainDb(Node *parsetree);
static void MarkObjectDistributedFromNonMainDb(Node *parsetree);
static MarkObjectDistributedParams GetMarkObjectDistributedParams(Node *parsetree);
/*
* ProcessUtilityParseTree is a convenience method to create a PlannedStmt out of
@ -257,7 +292,7 @@ citus_ProcessUtility(PlannedStmt *pstmt,
{
if (!IsMainDB)
{
RunPreprocessMainDBCommand(parsetree, queryString);
RunPreprocessMainDBCommand(parsetree);
}
/*
@ -1608,10 +1643,14 @@ DropSchemaOrDBInProgress(void)
* database before query is run on the local node with PrevProcessUtility
*/
static void
RunPreprocessMainDBCommand(Node *parsetree, const char *queryString)
RunPreprocessMainDBCommand(Node *parsetree)
{
if (IsA(parsetree, CreateRoleStmt))
if (!IsStatementSupportedFromNonMainDb(parsetree))
{
return;
}
char *queryString = DeparseTreeNode(parsetree);
StringInfo mainDBQuery = makeStringInfo();
appendStringInfo(mainDBQuery,
START_MANAGEMENT_TRANSACTION,
@ -1624,7 +1663,6 @@ RunPreprocessMainDBCommand(Node *parsetree, const char *queryString)
quote_literal_cstr(CurrentUserName()));
RunCitusMainDBQuery(mainDBQuery->data);
}
}
/*
@ -1634,17 +1672,98 @@ RunPreprocessMainDBCommand(Node *parsetree, const char *queryString)
static void
RunPostprocessMainDBCommand(Node *parsetree)
{
if (IsA(parsetree, CreateRoleStmt))
if (IsStatementSupportedFromNonMainDb(parsetree) &&
StatementRequiresMarkDistributedFromNonMainDb(parsetree))
{
MarkObjectDistributedFromNonMainDb(parsetree);
}
}
/*
* IsStatementSupportedFromNonMainDb returns true if the statement is supported from a
* non-main database.
*/
static bool
IsStatementSupportedFromNonMainDb(Node *parsetree)
{
NodeTag type = nodeTag(parsetree);
for (int i = 0; i < sizeof(NonMainDbSupportedStatements) /
sizeof(NonMainDbSupportedStatements[0]); i++)
{
if (type == NonMainDbSupportedStatements[i].statementType)
{
return true;
}
}
return false;
}
/*
* StatementRequiresMarkDistributedFromNonMainDb returns true if the statement should be marked
* as distributed when executed from a non-main database.
*/
static bool
StatementRequiresMarkDistributedFromNonMainDb(Node *parsetree)
{
NodeTag type = nodeTag(parsetree);
for (int i = 0; i < sizeof(NonMainDbSupportedStatements) /
sizeof(NonMainDbSupportedStatements[0]); i++)
{
if (type == NonMainDbSupportedStatements[i].statementType)
{
return NonMainDbSupportedStatements[i].explicitlyMarkAsDistributed;
}
}
return false;
}
/*
* MarkObjectDistributedFromNonMainDb marks the given object as distributed on the
* non-main database.
*/
static void
MarkObjectDistributedFromNonMainDb(Node *parsetree)
{
MarkObjectDistributedParams markObjectDistributedParams =
GetMarkObjectDistributedParams(parsetree);
StringInfo mainDBQuery = makeStringInfo();
CreateRoleStmt *createRoleStmt = castNode(CreateRoleStmt, parsetree);
Oid roleOid = get_role_oid(createRoleStmt->role, false);
appendStringInfo(mainDBQuery,
MARK_OBJECT_DISTRIBUTED,
AuthIdRelationId,
quote_literal_cstr(createRoleStmt->role),
roleOid,
markObjectDistributedParams.catalogRelId,
quote_literal_cstr(markObjectDistributedParams.name),
markObjectDistributedParams.id,
quote_literal_cstr(CurrentUserName()));
RunCitusMainDBQuery(mainDBQuery->data);
}
/*
* GetMarkObjectDistributedParams returns MarkObjectDistributedParams for the target
* object of given parsetree.
*/
static MarkObjectDistributedParams
GetMarkObjectDistributedParams(Node *parsetree)
{
if (IsA(parsetree, CreateRoleStmt))
{
CreateRoleStmt *stmt = castNode(CreateRoleStmt, parsetree);
MarkObjectDistributedParams info = {
.name = stmt->role,
.catalogRelId = AuthIdRelationId,
.id = get_role_oid(stmt->role, false)
};
return info;
}
/* Add else if branches for other statement types */
elog(ERROR, "unsupported statement type");
}

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@ -0,0 +1,160 @@
CREATE SCHEMA grant_role2pc;
SET search_path TO grant_role2pc;
set citus.enable_create_database_propagation to on;
CREATE DATABASE grant_role2pc_db;
\c grant_role2pc_db
SHOW citus.main_db;
citus.main_db
---------------------------------------------------------------------
regression
(1 row)
SET citus.superuser TO 'postgres';
CREATE USER grant_role2pc_user1;
CREATE USER grant_role2pc_user2;
CREATE USER grant_role2pc_user3;
CREATE USER grant_role2pc_user4;
CREATE USER grant_role2pc_user5;
CREATE USER grant_role2pc_user6;
CREATE USER grant_role2pc_user7;
\c grant_role2pc_db
--test with empty superuser
SET citus.superuser TO '';
grant grant_role2pc_user1 to grant_role2pc_user2;
ERROR: No superuser role is given for Citus main database connection
HINT: Set citus.superuser to a superuser role name
SET citus.superuser TO 'postgres';
grant grant_role2pc_user1 to grant_role2pc_user2 with admin option granted by CURRENT_USER;
\c regression
select result FROM run_command_on_all_nodes(
$$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text = 'grant_role2pc_user2'
order by member::regrole::text, roleid::regrole::text
) t
$$
);
result
---------------------------------------------------------------------
[{"member":"grant_role2pc_user2","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true}]
[{"member":"grant_role2pc_user2","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true}]
[{"member":"grant_role2pc_user2","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true}]
(3 rows)
\c grant_role2pc_db
--test grant under transactional context with multiple operations
BEGIN;
grant grant_role2pc_user1,grant_role2pc_user2 to grant_role2pc_user3 WITH ADMIN OPTION;
grant grant_role2pc_user1 to grant_role2pc_user4 granted by grant_role2pc_user3 ;
COMMIT;
BEGIN;
grant grant_role2pc_user1 to grant_role2pc_user5 WITH ADMIN OPTION granted by grant_role2pc_user3;
grant grant_role2pc_user1 to grant_role2pc_user6;
ROLLBACK;
BEGIN;
grant grant_role2pc_user1 to grant_role2pc_user7;
SELECT 1/0;
ERROR: division by zero
commit;
\c regression
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('grant_role2pc_user3','grant_role2pc_user4','grant_role2pc_user5','grant_role2pc_user6','grant_role2pc_user7')
order by member::regrole::text, roleid::regrole::text
) t
$$);
result
---------------------------------------------------------------------
[{"member":"grant_role2pc_user3","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user3","role":"grant_role2pc_user2","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user4","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false}]
[{"member":"grant_role2pc_user3","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user3","role":"grant_role2pc_user2","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user4","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false}]
[{"member":"grant_role2pc_user3","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user3","role":"grant_role2pc_user2","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user4","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false}]
(3 rows)
\c grant_role2pc_db
grant grant_role2pc_user1,grant_role2pc_user2 to grant_role2pc_user5,grant_role2pc_user6,grant_role2pc_user7 granted by grant_role2pc_user3;
\c regression
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('grant_role2pc_user5','grant_role2pc_user6','grant_role2pc_user7')
order by member::regrole::text, roleid::regrole::text
) t
$$);
result
---------------------------------------------------------------------
[{"member":"grant_role2pc_user5","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
[{"member":"grant_role2pc_user5","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
[{"member":"grant_role2pc_user5","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user1","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
(3 rows)
\c grant_role2pc_db
revoke admin option for grant_role2pc_user1 from grant_role2pc_user5 granted by grant_role2pc_user3;
--test revoke under transactional context with multiple operations
BEGIN;
revoke grant_role2pc_user1 from grant_role2pc_user5 granted by grant_role2pc_user3 ;
revoke grant_role2pc_user1 from grant_role2pc_user4 granted by grant_role2pc_user3;
COMMIT;
\c grant_role2pc_db - - :worker_1_port
BEGIN;
revoke grant_role2pc_user1 from grant_role2pc_user6,grant_role2pc_user7 granted by grant_role2pc_user3;
revoke grant_role2pc_user1 from grant_role2pc_user3 cascade;
COMMIT;
\c regression
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('grant_role2pc_user2','grant_role2pc_user3','grant_role2pc_user4','grant_role2pc_user5','grant_role2pc_user6','grant_role2pc_user7')
order by member::regrole::text, roleid::regrole::text
) t
$$);
result
---------------------------------------------------------------------
[{"member":"grant_role2pc_user2","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user3","role":"grant_role2pc_user2","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
[{"member":"grant_role2pc_user2","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user3","role":"grant_role2pc_user2","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
[{"member":"grant_role2pc_user2","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user3","role":"grant_role2pc_user2","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user7","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
(3 rows)
\c grant_role2pc_db - - :worker_1_port
BEGIN;
grant grant_role2pc_user1 to grant_role2pc_user5 WITH ADMIN OPTION;
grant grant_role2pc_user1 to grant_role2pc_user6;
COMMIT;
\c regression - - :master_port
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('grant_role2pc_user5','grant_role2pc_user6')
order by member::regrole::text, roleid::regrole::text
) t
$$);
result
---------------------------------------------------------------------
[{"member":"grant_role2pc_user5","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user1","grantor":"postgres","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
[{"member":"grant_role2pc_user5","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user1","grantor":"postgres","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
[{"member":"grant_role2pc_user5","role":"grant_role2pc_user1","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user5","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user1","grantor":"postgres","admin_option":false},{"member":"grant_role2pc_user6","role":"grant_role2pc_user2","grantor":"grant_role2pc_user3","admin_option":false}]
(3 rows)
revoke grant_role2pc_user1 from grant_role2pc_user5,grant_role2pc_user6;
--clean resources
DROP SCHEMA grant_role2pc;
set citus.enable_create_database_propagation to on;
DROP DATABASE grant_role2pc_db;
drop user grant_role2pc_user2,grant_role2pc_user3,grant_role2pc_user4,grant_role2pc_user5,grant_role2pc_user6,grant_role2pc_user7;
drop user grant_role2pc_user1;
reset citus.enable_create_database_propagation;

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@ -0,0 +1,61 @@
CREATE SCHEMA metadata_sync_2pc_schema;
SET search_path TO metadata_sync_2pc_schema;
set citus.enable_create_database_propagation to on;
CREATE DATABASE metadata_sync_2pc_db;
\c metadata_sync_2pc_db
SHOW citus.main_db;
citus.main_db
---------------------------------------------------------------------
regression
(1 row)
CREATE USER "grant_role2pc'_user1";
CREATE USER "grant_role2pc'_user2";
CREATE USER "grant_role2pc'_user3";
CREATE USER grant_role2pc_user4;
CREATE USER grant_role2pc_user5;
\c regression
select 1 from citus_remove_node('localhost', :worker_2_port);
?column?
---------------------------------------------------------------------
1
(1 row)
\c metadata_sync_2pc_db
grant "grant_role2pc'_user1","grant_role2pc'_user2" to "grant_role2pc'_user3" WITH ADMIN OPTION;
grant "grant_role2pc'_user1","grant_role2pc'_user2" to grant_role2pc_user4,grant_role2pc_user5 granted by "grant_role2pc'_user3";
\c regression
select 1 from citus_add_node('localhost', :worker_2_port);
?column?
---------------------------------------------------------------------
1
(1 row)
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('"grant_role2pc''_user2"','"grant_role2pc''_user3"','grant_role2pc_user4','grant_role2pc_user5')
order by member::regrole::text
) t
$$);
result
---------------------------------------------------------------------
[{"member":"\"grant_role2pc'_user3\"","role":"\"grant_role2pc'_user1\"","grantor":"postgres","admin_option":true},{"member":"\"grant_role2pc'_user3\"","role":"\"grant_role2pc'_user2\"","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user4","role":"\"grant_role2pc'_user1\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user4","role":"\"grant_role2pc'_user2\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user5","role":"\"grant_role2pc'_user1\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user5","role":"\"grant_role2pc'_user2\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false}]
[{"member":"\"grant_role2pc'_user3\"","role":"\"grant_role2pc'_user1\"","grantor":"postgres","admin_option":true},{"member":"\"grant_role2pc'_user3\"","role":"\"grant_role2pc'_user2\"","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user4","role":"\"grant_role2pc'_user1\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user4","role":"\"grant_role2pc'_user2\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user5","role":"\"grant_role2pc'_user1\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user5","role":"\"grant_role2pc'_user2\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false}]
[{"member":"\"grant_role2pc'_user3\"","role":"\"grant_role2pc'_user1\"","grantor":"postgres","admin_option":true},{"member":"\"grant_role2pc'_user3\"","role":"\"grant_role2pc'_user2\"","grantor":"postgres","admin_option":true},{"member":"grant_role2pc_user4","role":"\"grant_role2pc'_user1\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user4","role":"\"grant_role2pc'_user2\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user5","role":"\"grant_role2pc'_user1\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false},{"member":"grant_role2pc_user5","role":"\"grant_role2pc'_user2\"","grantor":"\"grant_role2pc'_user3\"","admin_option":false}]
(3 rows)
\c metadata_sync_2pc_db
revoke "grant_role2pc'_user1","grant_role2pc'_user2" from grant_role2pc_user4,grant_role2pc_user5 granted by "grant_role2pc'_user3";
revoke admin option for "grant_role2pc'_user1","grant_role2pc'_user2" from "grant_role2pc'_user3";
revoke "grant_role2pc'_user1","grant_role2pc'_user2" from "grant_role2pc'_user3";
\c regression
drop user "grant_role2pc'_user1","grant_role2pc'_user2","grant_role2pc'_user3",grant_role2pc_user4,grant_role2pc_user5;
set citus.enable_create_database_propagation to on;
drop database metadata_sync_2pc_db;
drop schema metadata_sync_2pc_schema;
reset citus.enable_create_database_propagation;
reset search_path;

View File

@ -626,3 +626,15 @@ BEGIN
JOIN pg_dist_node USING (nodeid);
END;
$func$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION check_database_privileges(role_name text, db_name text, permissions text[])
RETURNS TABLE(permission text, result text)
AS $func$
DECLARE
permission text;
BEGIN
FOREACH permission IN ARRAY permissions
LOOP
RETURN QUERY EXECUTE format($inner$SELECT '%s', result FROM run_command_on_all_nodes($$select has_database_privilege('%s','%s', '%s'); $$)$inner$, permission, role_name, db_name, permission);
END LOOP;
END;
$func$ LANGUAGE plpgsql;

View File

@ -40,6 +40,7 @@ test: create_drop_database_propagation_pg15
test: create_drop_database_propagation_pg16
test: comment_on_database
test: comment_on_role
test: metadata_sync_from_non_maindb
# don't parallelize single_shard_table_udfs to make sure colocation ids are sequential
test: single_shard_table_udfs
test: schema_based_sharding

View File

@ -108,7 +108,7 @@ test: object_propagation_debug
test: undistribute_table
test: run_command_on_all_nodes
test: background_task_queue_monitor
test: other_databases
test: other_databases grant_role_from_non_maindb
test: citus_internal_access
# Causal clock test

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@ -0,0 +1,147 @@
CREATE SCHEMA grant_role2pc;
SET search_path TO grant_role2pc;
set citus.enable_create_database_propagation to on;
CREATE DATABASE grant_role2pc_db;
\c grant_role2pc_db
SHOW citus.main_db;
SET citus.superuser TO 'postgres';
CREATE USER grant_role2pc_user1;
CREATE USER grant_role2pc_user2;
CREATE USER grant_role2pc_user3;
CREATE USER grant_role2pc_user4;
CREATE USER grant_role2pc_user5;
CREATE USER grant_role2pc_user6;
CREATE USER grant_role2pc_user7;
\c grant_role2pc_db
--test with empty superuser
SET citus.superuser TO '';
grant grant_role2pc_user1 to grant_role2pc_user2;
SET citus.superuser TO 'postgres';
grant grant_role2pc_user1 to grant_role2pc_user2 with admin option granted by CURRENT_USER;
\c regression
select result FROM run_command_on_all_nodes(
$$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text = 'grant_role2pc_user2'
order by member::regrole::text, roleid::regrole::text
) t
$$
);
\c grant_role2pc_db
--test grant under transactional context with multiple operations
BEGIN;
grant grant_role2pc_user1,grant_role2pc_user2 to grant_role2pc_user3 WITH ADMIN OPTION;
grant grant_role2pc_user1 to grant_role2pc_user4 granted by grant_role2pc_user3 ;
COMMIT;
BEGIN;
grant grant_role2pc_user1 to grant_role2pc_user5 WITH ADMIN OPTION granted by grant_role2pc_user3;
grant grant_role2pc_user1 to grant_role2pc_user6;
ROLLBACK;
BEGIN;
grant grant_role2pc_user1 to grant_role2pc_user7;
SELECT 1/0;
commit;
\c regression
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('grant_role2pc_user3','grant_role2pc_user4','grant_role2pc_user5','grant_role2pc_user6','grant_role2pc_user7')
order by member::regrole::text, roleid::regrole::text
) t
$$);
\c grant_role2pc_db
grant grant_role2pc_user1,grant_role2pc_user2 to grant_role2pc_user5,grant_role2pc_user6,grant_role2pc_user7 granted by grant_role2pc_user3;
\c regression
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('grant_role2pc_user5','grant_role2pc_user6','grant_role2pc_user7')
order by member::regrole::text, roleid::regrole::text
) t
$$);
\c grant_role2pc_db
revoke admin option for grant_role2pc_user1 from grant_role2pc_user5 granted by grant_role2pc_user3;
--test revoke under transactional context with multiple operations
BEGIN;
revoke grant_role2pc_user1 from grant_role2pc_user5 granted by grant_role2pc_user3 ;
revoke grant_role2pc_user1 from grant_role2pc_user4 granted by grant_role2pc_user3;
COMMIT;
\c grant_role2pc_db - - :worker_1_port
BEGIN;
revoke grant_role2pc_user1 from grant_role2pc_user6,grant_role2pc_user7 granted by grant_role2pc_user3;
revoke grant_role2pc_user1 from grant_role2pc_user3 cascade;
COMMIT;
\c regression
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('grant_role2pc_user2','grant_role2pc_user3','grant_role2pc_user4','grant_role2pc_user5','grant_role2pc_user6','grant_role2pc_user7')
order by member::regrole::text, roleid::regrole::text
) t
$$);
\c grant_role2pc_db - - :worker_1_port
BEGIN;
grant grant_role2pc_user1 to grant_role2pc_user5 WITH ADMIN OPTION;
grant grant_role2pc_user1 to grant_role2pc_user6;
COMMIT;
\c regression - - :master_port
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('grant_role2pc_user5','grant_role2pc_user6')
order by member::regrole::text, roleid::regrole::text
) t
$$);
revoke grant_role2pc_user1 from grant_role2pc_user5,grant_role2pc_user6;
--clean resources
DROP SCHEMA grant_role2pc;
set citus.enable_create_database_propagation to on;
DROP DATABASE grant_role2pc_db;
drop user grant_role2pc_user2,grant_role2pc_user3,grant_role2pc_user4,grant_role2pc_user5,grant_role2pc_user6,grant_role2pc_user7;
drop user grant_role2pc_user1;
reset citus.enable_create_database_propagation;

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@ -0,0 +1,51 @@
CREATE SCHEMA metadata_sync_2pc_schema;
SET search_path TO metadata_sync_2pc_schema;
set citus.enable_create_database_propagation to on;
CREATE DATABASE metadata_sync_2pc_db;
\c metadata_sync_2pc_db
SHOW citus.main_db;
CREATE USER "grant_role2pc'_user1";
CREATE USER "grant_role2pc'_user2";
CREATE USER "grant_role2pc'_user3";
CREATE USER grant_role2pc_user4;
CREATE USER grant_role2pc_user5;
\c regression
select 1 from citus_remove_node('localhost', :worker_2_port);
\c metadata_sync_2pc_db
grant "grant_role2pc'_user1","grant_role2pc'_user2" to "grant_role2pc'_user3" WITH ADMIN OPTION;
grant "grant_role2pc'_user1","grant_role2pc'_user2" to grant_role2pc_user4,grant_role2pc_user5 granted by "grant_role2pc'_user3";
\c regression
select 1 from citus_add_node('localhost', :worker_2_port);
select result FROM run_command_on_all_nodes($$
SELECT array_to_json(array_agg(row_to_json(t)))
FROM (
SELECT member::regrole, roleid::regrole as role, grantor::regrole, admin_option
FROM pg_auth_members
WHERE member::regrole::text in
('"grant_role2pc''_user2"','"grant_role2pc''_user3"','grant_role2pc_user4','grant_role2pc_user5')
order by member::regrole::text
) t
$$);
\c metadata_sync_2pc_db
revoke "grant_role2pc'_user1","grant_role2pc'_user2" from grant_role2pc_user4,grant_role2pc_user5 granted by "grant_role2pc'_user3";
revoke admin option for "grant_role2pc'_user1","grant_role2pc'_user2" from "grant_role2pc'_user3";
revoke "grant_role2pc'_user1","grant_role2pc'_user2" from "grant_role2pc'_user3";
\c regression
drop user "grant_role2pc'_user1","grant_role2pc'_user2","grant_role2pc'_user3",grant_role2pc_user4,grant_role2pc_user5;
set citus.enable_create_database_propagation to on;
drop database metadata_sync_2pc_db;
drop schema metadata_sync_2pc_schema;
reset citus.enable_create_database_propagation;
reset search_path;

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@ -652,3 +652,16 @@ BEGIN
JOIN pg_dist_node USING (nodeid);
END;
$func$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION check_database_privileges(role_name text, db_name text, permissions text[])
RETURNS TABLE(permission text, result text)
AS $func$
DECLARE
permission text;
BEGIN
FOREACH permission IN ARRAY permissions
LOOP
RETURN QUERY EXECUTE format($inner$SELECT '%s', result FROM run_command_on_all_nodes($$select has_database_privilege('%s','%s', '%s'); $$)$inner$, permission, role_name, db_name, permission);
END LOOP;
END;
$func$ LANGUAGE plpgsql;