Skip to content

Commit

Permalink
add support for MariaDB
Browse files Browse the repository at this point in the history 
Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
  • Loading branch information
@lefred
lefred committed Nov 11, 2023
1 parent 0dc82a5 commit 3f905ed
Show file tree
Hide file tree
Showing 4 changed files with 432 additions and 232 deletions.
5 changes: 5 additions & 0 deletions mysqlsh_plugins_common.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,11 @@ def are_instruments_enabled(instrument_name, session, shell):

return ok

def get_distro(session):
result = session.run_sql("SELECT @@version_comment")
col = result.fetch_one()
return col[0]

def get_version(session):
result = session.run_sql("SELECT @@version")
col = result.fetch_one()
Expand Down
207 changes: 129 additions & 78 deletions user/clone.py
View file
Original file line number Diff line number Diff line change
@@ -1,16 +1,21 @@
from mysqlsh.plugin_manager import plugin, plugin_function
from mysqlsh_plugins_common import get_major_version
from mysqlsh_plugins_common import get_distro
from user import mds

import re


def _get_server_info(session):
return session.run_sql("""SELECT CONCAT(@@hostname," (",@@version,")")""").fetch_one()[0]
return session.run_sql(
"""SELECT CONCAT(@@hostname," (",@@version,")")"""
).fetch_one()[0]


@plugin_function("user.clone")
def copy_users_grants(userfrom=None, userto=None, dryrun=False, ocimds=False, force=False, session=None):
def copy_users_grants(
userfrom=None, userto=None, dryrun=False, ocimds=False, force=False, session=None
):
"""
Clone a user to the same server
Expand All @@ -26,17 +31,22 @@ def copy_users_grants(userfrom=None, userto=None, dryrun=False, ocimds=False, fo
"""
# Get hold of the global shell object
import mysqlsh

shell = mysqlsh.globals.shell
old_format = None

if session is None:
session = shell.get_session()
if session is None:
print("No session specified. Either pass a session object to this "
"function or connect the shell to a database")
print(
"No session specified. Either pass a session object to this "
"function or connect the shell to a database"
)
return
if not userfrom:
search_string = shell.prompt("Enter the user to search (you can use wildcards '%', leave blank for all): ")
search_string = shell.prompt(
"Enter the user to search (you can use wildcards '%', leave blank for all): "
)
if len(search_string.strip()) > 0:
search_string = 'AND user LIKE "{}"'.format(search_string)
else:
Expand All @@ -46,15 +56,21 @@ def copy_users_grants(userfrom=None, userto=None, dryrun=False, ocimds=False, fo
print("Info: locked users and users having expired password are not listed.")

mysql_version = get_major_version(session)
mysql_major_int = int(mysql_version.split('.')[0])
mysql_major_int = int(mysql_version.split(".")[0])
mysql_distro = get_distro(session)
if mysql_distro.lower().startswith("maria"):
print("-- MariaDB Detected and not supported")
return
if mysql_major_int >= 8 or mysql_version == "5.7":
# Get the list of users
stmt = """SELECT DISTINCT User, Host,
IF(authentication_string = "","NO", "YES") HAS_PWD
FROM mysql.user
WHERE NOT( `account_locked`="Y" AND `password_expired`="Y" AND `authentication_string`="" ) {}
ORDER BY User, Host;
""".format(search_string)
""".format(
search_string
)
else:
stmt = """SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA='mysql' AND TABLE_NAME='user' AND COLUMN_NAME='password';"""
Expand All @@ -65,86 +81,115 @@ def copy_users_grants(userfrom=None, userto=None, dryrun=False, ocimds=False, fo
FROM mysql.user
WHERE NOT(`password_expired`="Y" AND `authentication_string`="" ) {}
ORDER BY User, Host;
""".format(search_string)
""".format(
search_string
)
else:
stmt = """SELECT DISTINCT User, Host,
IF(authentication_string = "","NO", "YES") HAS_PWD
FROM mysql.user
WHERE NOT(`password_expired`="Y" AND `authentication_string`="" ) {}
ORDER BY User, Host;
""".format(search_string)
users = session.run_sql(stmt).fetch_all()
""".format(
search_string
)
users = session.run_sql(stmt).fetch_all()
final_s = ""
if len(users)>1:
if len(users) > 1:
final_s = "s"
print("{} user{} found!".format(len(users), final_s))
for user in users:
if ocimds and user[2] == "NO":
print("[`{}`@`{}`] is not compatible with OCI MDS as it has not password, ignoring it...".format(user[0], user[1]))
print(
"[`{}`@`{}`] is not compatible with OCI MDS as it has not password, ignoring it...".format(
user[0], user[1]
)
)
continue
if not force:
answer = shell.prompt("Do you want to clone [`{}`@`{}`] ? (y/N) ".format(user[0], user[1]), {'defaultValue': 'n'})
answer = shell.prompt(
"Do you want to clone [`{}`@`{}`] ? (y/N) ".format(user[0], user[1]),
{"defaultValue": "n"},
)
else:
answer = "y"
if answer.lower() == 'y':
if answer.lower() == "y":
if mysql_major_int >= 8:
stmt = """SELECT from_user, from_host FROM mysql.role_edges WHERE to_user = ? and to_host = ?"""
roles = session.run_sql(stmt, [user[0], user[1]]).fetch_all()
if len(roles)>0:
if len(roles) > 0:
for role in roles:
stmt = """SHOW GRANTS FOR `{}`@`{}`""".format(role[0], role[1])
grants = session.run_sql(stmt).fetch_all()
for grant in grants:
if ocimds:
grant_stmt = grant[0]
on_stmt=re.sub(r"^.*( ON .*\..* TO .*$)",r"\1", grant_stmt)
grant_stmt_tmp = re.sub('^GRANT ','', grant_stmt)
grant_stmt_tmp = re.sub(' ON .*\..* TO .*$','', grant_stmt_tmp)
tab_grants = grant_stmt_tmp.split(', ')
tab_list = []
for priv in tab_grants:
for allowed_priv in mds.mds_allowed_privileges:
if allowed_priv == priv:
tab_list.append(allowed_priv)
break
if len(tab_list)>0:
grant_stmt="GRANT " + ', '.join(tab_list) + on_stmt
else:
grant_stmt=None

stmt = """SHOW GRANTS FOR `{}`@`{}`""".format(role[0], role[1])
grants = session.run_sql(stmt).fetch_all()
for grant in grants:
if ocimds:
grant_stmt = grant[0]
on_stmt = re.sub(
r"^.*( ON .*\..* TO .*$)", r"\1", grant_stmt
)
grant_stmt_tmp = re.sub("^GRANT ", "", grant_stmt)
grant_stmt_tmp = re.sub(
" ON .*\..* TO .*$", "", grant_stmt_tmp
)
tab_grants = grant_stmt_tmp.split(", ")
tab_list = []
for priv in tab_grants:
for allowed_priv in mds.mds_allowed_privileges:
if allowed_priv == priv:
tab_list.append(allowed_priv)
break
if len(tab_list) > 0:
grant_stmt = (
"GRANT " + ", ".join(tab_list) + on_stmt
)
else:
grant_stmt = grant[0]
if grant_stmt:
grant_stmt = grant_stmt.replace("TO `{}`@`{}`".format(user[0], user[1]), "TO {}".format(userto))
if dryrun:
print("{};".format(grant_stmt))
else:
try:
session.run_sql(grant_stmt)
except mysqlsh.DBError as err:
print("Aborting: {}".format(err))
return
grant_stmt = None

else:
grant_stmt = grant[0]
if grant_stmt:
grant_stmt = grant_stmt.replace(
"TO `{}`@`{}`".format(user[0], user[1]),
"TO {}".format(userto),
)
if dryrun:
print("{};".format(grant_stmt))
else:
try:
session.run_sql(grant_stmt)
except mysqlsh.DBError as err:
print("Aborting: {}".format(err))
return

if mysql_major_int < 8 and mysql_version != "5.7":
stmt = """SHOW GRANTS FOR `{}`@`{}`""".format(user[0], user[1])
create_user = session.run_sql(stmt).fetch_one()[0] + ";"
create_user=create_user.replace(" TO '{}'@'{}'".format(user[0], user[1]),"CREATE USER {}".format(userto))
create_user = re.sub(r".*CREATE USER ","CREATE USER ", create_user)
stmt = """SHOW GRANTS FOR `{}`@`{}`""".format(user[0], user[1])
create_user = session.run_sql(stmt).fetch_one()[0] + ";"
create_user = create_user.replace(
" TO '{}'@'{}'".format(user[0], user[1]),
"CREATE USER {}".format(userto),
)
create_user = re.sub(r".*CREATE USER ", "CREATE USER ", create_user)
else:
stmt = """SHOW CREATE USER `{}`@`{}`""".format(user[0], user[1])
create_user = session.run_sql(stmt).fetch_one()[0] + ";"
#print("-- DEBUG: {}".format(create_user))
create_user=create_user.replace("CREATE USER `{}`@`{}`".format(user[0], user[1]),"CREATE USER IF NOT EXISTS {}".format(userto))
#print("-- DEBUG: {}".format(create_user))
# we need to find the password in binary format
stmt = """SELECT authentication_string, convert(authentication_string using binary) authbin
FROM mysql.user where user='{}' and host='{}'""".format(user[0], user[1])
auth_user = session.run_sql(stmt).fetch_one()
auth_string = auth_user[0]
auth_string_bin = auth_user[1]
hex_string = auth_string_bin.hex()
create_user = re.sub(r" AS '(.*)' ", r" AS 0x{} ".format(hex_string), create_user)
stmt = """SHOW CREATE USER `{}`@`{}`""".format(user[0], user[1])
create_user = session.run_sql(stmt).fetch_one()[0] + ";"
# print("-- DEBUG: {}".format(create_user))
create_user = create_user.replace(
"CREATE USER `{}`@`{}`".format(user[0], user[1]),
"CREATE USER IF NOT EXISTS {}".format(userto),
)
# print("-- DEBUG: {}".format(create_user))
# we need to find the password in binary format
stmt = """SELECT authentication_string, convert(authentication_string using binary) authbin
FROM mysql.user where user='{}' and host='{}'""".format(
user[0], user[1]
)
auth_user = session.run_sql(stmt).fetch_one()
auth_string = auth_user[0]
auth_string_bin = auth_user[1]
hex_string = auth_string_bin.hex()
create_user = re.sub(
r" AS '(.*)' ", r" AS 0x{} ".format(hex_string), create_user
)
if dryrun:
print("-- User `{}`@`{}`".format(user[0], user[1]))
print(create_user)
Expand All @@ -159,42 +204,48 @@ def copy_users_grants(userfrom=None, userto=None, dryrun=False, ocimds=False, fo

stmt = """SHOW GRANTS FOR `{}`@`{}`""".format(user[0], user[1])
grants = session.run_sql(stmt).fetch_all()
if not dryrun and len(grants)>0:
print("Copying GRANTS.", end='')
if not dryrun and len(grants) > 0:
print("Copying GRANTS.", end="")
for grant in grants:
if "IDENTIFIED BY PASSWORD" in grant[0]:
grant_stmt = re.sub(r" IDENTIFIED BY PASSWORD.*$","", grant[0])
grant_stmt = re.sub(r" IDENTIFIED BY PASSWORD.*$", "", grant[0])
else:
grant_stmt = grant[0]
if ocimds:
on_stmt=re.sub(r"^.*( ON .*\..* TO .*$)",r"\1", grant_stmt)
grant_stmt_tmp = re.sub('^GRANT ','', grant_stmt)
grant_stmt_tmp = re.sub(' ON .*\..* TO .*$','', grant_stmt_tmp)
tab_grants = grant_stmt_tmp.split(', ')
on_stmt = re.sub(r"^.*( ON .*\..* TO .*$)", r"\1", grant_stmt)
grant_stmt_tmp = re.sub("^GRANT ", "", grant_stmt)
grant_stmt_tmp = re.sub(" ON .*\..* TO .*$", "", grant_stmt_tmp)
tab_grants = grant_stmt_tmp.split(", ")
tab_list = []
for priv in tab_grants:
for allowed_priv in mds.mds_allowed_privileges:
if allowed_priv == priv:
tab_list.append(allowed_priv)
break
if len(tab_list)>0:
grant_stmt="GRANT " + ', '.join(tab_list) + on_stmt
if len(tab_list) > 0:
grant_stmt = "GRANT " + ", ".join(tab_list) + on_stmt
else:
grant_stmt=None
grant_stmt = None
if grant_stmt:
grant_stmt = grant_stmt.replace("TO `{}`@`{}`".format(user[0], user[1]), "TO {}".format(userto))
grant_stmt = grant_stmt.replace("TO '{}'@'{}'".format(user[0], user[1]), "TO {}".format(userto))
grant_stmt = grant_stmt.replace(
"TO `{}`@`{}`".format(user[0], user[1]), "TO {}".format(userto)
)
grant_stmt = grant_stmt.replace(
"TO '{}'@'{}'".format(user[0], user[1]), "TO {}".format(userto)
)
if dryrun:
print("{};".format(grant_stmt))
else:
try:
session.run_sql(grant_stmt)
print(".", end='')
print(".", end="")
except mysqlsh.DBError as err:
print("\nAborting: {}".format(err))
print("You may need to install mysql-client to save the password.")
print(
"You may need to install mysql-client to save the password."
)
return
if not dryrun and len(grants)>0:
if not dryrun and len(grants) > 0:
print("\nUser(s) copied successfully!")

return
Loading

0 comments on commit 3f905ed

Please sign in to comment.