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103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
#!/usr/bin/python
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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try:
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import psycopg2
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except ImportError:
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postgresqldb_found = False
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else:
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postgresqldb_found = True
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# ===========================================
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# PostgreSQL module specific support methods.
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#
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def db_exists(cursor, db):
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query = "SELECT * FROM pg_database WHERE datname=%(db)s"
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cursor.execute(query, {'db': db})
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return cursor.rowcount == 1
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def db_delete(cursor, db):
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query = "DROP DATABASE %s" % db
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cursor.execute(query)
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return True
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def db_create(cursor, db, owner, template, encoding):
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if owner:
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owner = " OWNER %s" % owner
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if template:
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template = " TEMPLATE %s" % template
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if encoding:
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encoding = " ENCODING '%s'" % encoding
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query = "CREATE DATABASE %s%s%s%s" % (db, owner, template, encoding)
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cursor.execute(query)
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return True
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# ===========================================
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# Module execution.
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#
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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login_user=dict(default="postgres"),
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login_password=dict(default=""),
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login_host=dict(default=""),
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db=dict(required=True),
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owner=dict(default=""),
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template=dict(default=""),
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encoding=dict(default=""),
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state=dict(default="present", choices=["absent", "present"]),
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)
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)
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if not postgresqldb_found:
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module.fail_json(msg="the python psycopg2 module is required")
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db = module.params["db"]
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owner = module.params["owner"]
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template = module.params["template"]
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encoding = module.params["encoding"]
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state = module.params["state"]
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changed = False
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try:
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db_connection = psycopg2.connect(host=module.params["login_host"],
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user=module.params["login_user"],
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password=module.params["login_password"],
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database="template1")
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# Enable autocommit so we can create databases
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db_connection.autocommit = True
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cursor = db_connection.cursor()
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except Exception as e:
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module.fail_json(msg="unable to connect to database: %s" % e)
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try:
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if db_exists(cursor, db):
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if state == "absent":
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changed = db_delete(cursor, db)
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else:
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if state == "present":
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changed = db_create(cursor, db, owner, template, encoding)
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except Exception as e:
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module.fail_json(msg="Database query failed: %s" % e)
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module.exit_json(changed=changed, db=db)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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