postgresql_lang module: fixed doc formatting, added aliases, pg_utils, added missing CI tests (#54672)
* postgresql_lang: fixed doc * postgresql_lang: add pg_utils * postgresql_lang: added return value - queries * postgresql_lang: added CI tests * postgresql_lang: restricted CI using CentOS * postgresql_lang: fixed typos in CI comments
This commit is contained in:
Andrey Klychkov
John R Barker
parent
2176b53a55
commit
48ec8d13a0
3 changed files with 379 additions and 95 deletions
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@ -12,186 +12,225 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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DOCUMENTATION = r'''
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---
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module: postgresql_lang
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short_description: Adds, removes or changes procedural languages with a PostgreSQL database.
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short_description: Adds, removes or changes procedural languages with a PostgreSQL database
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description:
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- Adds, removes or changes procedural languages with a PostgreSQL database.
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- This module allows you to add a language, remote a language or change the trust
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relationship with a PostgreSQL database. The module can be used on the machine
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where executed or on a remote host.
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- When removing a language from a database, it is possible that dependencies prevent
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the database from being removed. In that case, you can specify casade to
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automatically drop objects that depend on the language (such as functions in the
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language). In case the language can't be deleted because it is required by the
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database system, you can specify fail_on_drop=no to ignore the error.
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- Be carefull when marking a language as trusted since this could be a potential
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security breach. Untrusted languages allow only users with the PostgreSQL superuser
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privilege to use this language to create new functions.
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version_added: "1.7"
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- Adds, removes or changes procedural languages with a PostgreSQL database.
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- This module allows you to add a language, remote a language or change the trust
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relationship with a PostgreSQL database.
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- The module can be used on the machine where executed or on a remote host.
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- When removing a language from a database, it is possible that dependencies prevent
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the database from being removed. In that case, you can specify casade to
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automatically drop objects that depend on the language (such as functions in the
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language).
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- In case the language can't be deleted because it is required by the
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database system, you can specify fail_on_drop=no to ignore the error.
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- Be carefull when marking a language as trusted since this could be a potential
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security breach. Untrusted languages allow only users with the PostgreSQL superuser
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privilege to use this language to create new functions.
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- For more information about PostgreSQL languages see the official documentation
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U(https://www.postgresql.org/docs/current/sql-createlanguage.html),
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U(https://www.postgresql.org/docs/current/sql-alterlanguage.html),
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U(https://www.postgresql.org/docs/current/sql-droplanguage.html).
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version_added: '1.7'
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options:
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lang:
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description:
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- name of the procedural language to add, remove or change
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- Name of the procedural language to add, remove or change.
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required: true
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type: str
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aliases:
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- name
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trust:
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description:
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- make this language trusted for the selected db
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- Make this language trusted for the selected db.
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type: bool
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default: 'no'
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db:
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description:
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- name of database where the language will be added, removed or changed
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- Name of database to connect to and where the language will be added, removed or changed.
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type: str
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aliases:
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- login_db
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force_trust:
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description:
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- marks the language as trusted, even if it's marked as untrusted in pg_pltemplate.
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- use with care!
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- Marks the language as trusted, even if it's marked as untrusted in pg_pltemplate.
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- Use with care!
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type: bool
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default: 'no'
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fail_on_drop:
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description:
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- if C(yes), fail when removing a language. Otherwise just log and continue
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- in some cases, it is not possible to remove a language (used by the db-system). When dependencies block the removal, consider using C(cascade).
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- If C(yes), fail when removing a language. Otherwise just log and continue.
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- In some cases, it is not possible to remove a language (used by the db-system).
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- When dependencies block the removal, consider using C(cascade).
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type: bool
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default: 'yes'
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cascade:
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description:
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- when dropping a language, also delete object that depend on this language.
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- only used when C(state=absent).
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- When dropping a language, also delete object that depend on this language.
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- Only used when C(state=absent).
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type: bool
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default: 'no'
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port:
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description:
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- Database port to connect to.
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- Database port to connect to.
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default: 5432
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type: int
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aliases:
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- login_port
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login_user:
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description:
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- User used to authenticate with PostgreSQL
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- User to authenticate with PostgreSQL.
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type: str
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default: postgres
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login_password:
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description:
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- Password used to authenticate with PostgreSQL (must match C(login_user))
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- Password used to authenticate with PostgreSQL (must match C(login_user)).
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type: str
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login_host:
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description:
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- Host running PostgreSQL where you want to execute the actions.
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- Host running PostgreSQL where you want to execute the actions.
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type: str
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default: localhost
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session_role:
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version_added: "2.8"
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description: |
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Switch to session_role after connecting. The specified session_role must be a role that the current login_user is a member of.
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Permissions checking for SQL commands is carried out as though the session_role were the one that had logged in originally.
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version_added: '2.8'
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description:
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- Switch to session_role after connecting.
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- The specified session_role must be a role that the current login_user is a member of.
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- Permissions checking for SQL commands is carried out as though the session_role were the one that had logged in originally.
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type: str
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state:
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description:
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- The state of the language for the selected database
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- The state of the language for the selected database.
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type: str
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default: present
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choices: [ "present", "absent" ]
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choices: [ absent, present ]
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login_unix_socket:
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description:
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- Path to a Unix domain socket for local connections.
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- Path to a Unix domain socket for local connections.
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type: str
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version_added: '2.8'
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ssl_mode:
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description:
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- Determines whether or with what priority a secure SSL TCP/IP connection
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will be negotiated with the server.
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- See U(https://www.postgresql.org/docs/current/static/libpq-ssl.html) for
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more information on the modes.
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- Default of C(prefer) matches libpq default.
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- Determines whether or with what priority a secure SSL TCP/IP connection
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will be negotiated with the server.
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- See U(https://www.postgresql.org/docs/current/static/libpq-ssl.html) for
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more information on the modes.
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- Default of C(prefer) matches libpq default.
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type: str
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default: prefer
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choices: ["disable", "allow", "prefer", "require", "verify-ca", "verify-full"]
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choices: [ allow, disable, prefer, require, verify-ca, verify-full ]
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version_added: '2.8'
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ca_cert:
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description:
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- Specifies the name of a file containing SSL certificate authority (CA)
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certificate(s). If the file exists, the server's certificate will be
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verified to be signed by one of these authorities.
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- Specifies the name of a file containing SSL certificate authority (CA)
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certificate(s). If the file exists, the server's certificate will be
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verified to be signed by one of these authorities.
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type: str
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version_added: '2.8'
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aliases: [ ssl_rootcert ]
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notes:
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- The default authentication assumes that you are either logging in as or
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sudo'ing to the postgres account on the host.
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- This module uses psycopg2, a Python PostgreSQL database adapter. You must
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ensure that psycopg2 is installed on the host before using this module. If
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the remote host is the PostgreSQL server (which is the default case), then
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PostgreSQL must also be installed on the remote host. For Ubuntu-based
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systems, install the postgresql, libpq-dev, and python-psycopg2 packages
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on the remote host before using this module.
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- The default authentication assumes that you are either logging in as or
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sudo'ing to the postgres account on the host.
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- This module uses psycopg2, a Python PostgreSQL database adapter. You must
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ensure that psycopg2 is installed on the host before using this module.
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- If the remote host is the PostgreSQL server (which is the default case), then
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PostgreSQL must also be installed on the remote host.
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- For Ubuntu-based systems, install the postgresql, libpq-dev, and python-psycopg2 packages
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on the remote host before using this module.
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requirements: [ psycopg2 ]
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author:
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- "Jens Depuydt (@jensdepuydt)"
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- "Thomas O'Donnell (@andytom)"
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- Jens Depuydt (@jensdepuydt)
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- Thomas O'Donnell (@andytom)
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'''
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EXAMPLES = '''
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# Add language pltclu to database testdb if it doesn't exist:
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- postgresql_lang db=testdb lang=pltclu state=present
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EXAMPLES = r'''
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- name: Add language pltclu to database testdb if it doesn't exist
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postgresql_lang: db=testdb lang=pltclu state=present
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# Add language pltclu to database testdb if it doesn't exist and mark it as trusted:
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# Marks the language as trusted if it exists but isn't trusted yet
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# Add language pltclu to database testdb if it doesn't exist and mark it as trusted.
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# Marks the language as trusted if it exists but isn't trusted yet.
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# force_trust makes sure that the language will be marked as trusted
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- postgresql_lang:
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- name: Add language pltclu to database testdb if it doesn't exist and mark it as trusted
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postgresql_lang:
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db: testdb
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lang: pltclu
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state: present
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trust: yes
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force_trust: yes
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# Remove language pltclu from database testdb:
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- postgresql_lang:
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- name: Remove language pltclu from database testdb
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postgresql_lang:
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db: testdb
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lang: pltclu
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state: absent
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# Remove language pltclu from database testdb and remove all dependencies:
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- postgresql_lang:
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- name: Remove language pltclu from database testdb and remove all dependencies
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postgresql_lang:
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db: testdb
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lang: pltclu
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state: absent
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cascade: yes
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# Remove language c from database testdb but ignore errors if something prevents the removal:
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- postgresql_lang:
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- name: Remove language c from database testdb but ignore errors if something prevents the removal
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postgresql_lang:
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db: testdb
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lang: pltclu
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state: absent
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fail_on_drop: no
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'''
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RETURN = r'''
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queries:
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description: List of executed queries.
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returned: always
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type: list
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sample: ['CREATE LANGUAGE "acme"']
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version_added: '2.8'
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'''
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import traceback
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PSYCOPG2_IMP_ERR = None
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try:
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import psycopg2
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postgresqldb_found = True
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except ImportError:
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PSYCOPG2_IMP_ERR = traceback.format_exc()
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postgresqldb_found = False
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else:
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postgresqldb_found = True
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from ansible.module_utils.basic import AnsibleModule, missing_required_lib
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from ansible.module_utils.postgres import postgres_common_argument_spec
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from ansible.module_utils.six import iteritems
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from ansible.module_utils._text import to_native
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from ansible.module_utils.database import pg_quote_identifier
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executed_queries = []
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def lang_exists(cursor, lang):
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"""Checks if language exists for db"""
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query = "SELECT lanname FROM pg_language WHERE lanname='%s'" % lang
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query = "SELECT lanname FROM pg_language WHERE lanname = '%s'" % lang
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cursor.execute(query)
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return cursor.rowcount > 0
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def lang_istrusted(cursor, lang):
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"""Checks if language is trusted for db"""
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query = "SELECT lanpltrusted FROM pg_language WHERE lanname='%s'" % lang
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query = "SELECT lanpltrusted FROM pg_language WHERE lanname = '%s'" % lang
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cursor.execute(query)
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return cursor.fetchone()[0]
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def lang_altertrust(cursor, lang, trust):
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"""Changes if language is trusted for db"""
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query = "UPDATE pg_language SET lanpltrusted = %s WHERE lanname=%s"
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cursor.execute(query, (trust, lang))
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query = "UPDATE pg_language SET lanpltrusted = '%s' WHERE lanname = '%s'" % (trust, lang)
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executed_queries.append(query)
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cursor.execute(query)
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return True
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@ -201,6 +240,7 @@ def lang_add(cursor, lang, trust):
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query = 'CREATE TRUSTED LANGUAGE "%s"' % lang
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else:
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query = 'CREATE LANGUAGE "%s"' % lang
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executed_queries.append(query)
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cursor.execute(query)
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return True
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@ -210,9 +250,11 @@ def lang_drop(cursor, lang, cascade):
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cursor.execute("SAVEPOINT ansible_pgsql_lang_drop")
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try:
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if cascade:
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cursor.execute("DROP LANGUAGE \"%s\" CASCADE" % lang)
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query = "DROP LANGUAGE \"%s\" CASCADE" % lang
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else:
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cursor.execute("DROP LANGUAGE \"%s\"" % lang)
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query = "DROP LANGUAGE \"%s\"" % lang
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executed_queries.append(query)
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cursor.execute(query)
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except Exception:
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cursor.execute("ROLLBACK TO SAVEPOINT ansible_pgsql_lang_drop")
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cursor.execute("RELEASE SAVEPOINT ansible_pgsql_lang_drop")
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@ -222,26 +264,25 @@ def lang_drop(cursor, lang, cascade):
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def main():
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argument_spec = postgres_common_argument_spec()
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argument_spec.update(
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db=dict(type="str", required=True, aliases=["login_db"]),
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port=dict(type="int", default=5432, aliases=["login_port"]),
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lang=dict(type="str", required=True, aliases=["name"]),
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state=dict(type="str", default="present", choices=["absent", "present"]),
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trust=dict(type="bool", default="no"),
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force_trust=dict(type="bool", default="no"),
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cascade=dict(type="bool", default="no"),
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fail_on_drop=dict(type="bool", default="yes"),
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ssl_mode=dict(default='prefer', choices=[
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'allow', 'disable', 'prefer', 'require', 'verify-ca', 'verify-full']),
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ca_cert=dict(default=None, aliases=["ssl_rootcert"]),
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session_role=dict(type="str"),
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)
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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="", no_log=True),
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login_host=dict(default=""),
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login_unix_socket=dict(default=""),
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db=dict(required=True),
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port=dict(default='5432'),
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lang=dict(required=True),
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state=dict(default="present", choices=["absent", "present"]),
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trust=dict(type='bool', default='no'),
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force_trust=dict(type='bool', default='no'),
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cascade=dict(type='bool', default='no'),
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fail_on_drop=dict(type='bool', default='yes'),
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ssl_mode=dict(default='prefer', choices=[
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'disable', 'allow', 'prefer', 'require', 'verify-ca', 'verify-full']),
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ca_cert=dict(default=None, aliases=['ssl_rootcert']),
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session_role=dict(),
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),
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supports_check_mode=True
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argument_spec=argument_spec,
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supports_check_mode=True,
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)
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db = module.params["db"]
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@ -336,6 +377,7 @@ def main():
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db_connection.commit()
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kw['changed'] = changed
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kw['queries'] = executed_queries
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module.exit_json(**kw)
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|
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@ -839,9 +839,18 @@
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# Test postgresql_membership module
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- include: postgresql_membership.yml
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# postgresql_table module tests
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# Test postgresql_table module
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- include: postgresql_table.yml
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# Test postgresql_lang module.
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# To implement tests, it needs to install some additional packages
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# that may cause problems on different distributions,
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# so I restricted the tests using CentOS because the results
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# depend only on Postgres version
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# (CentOS 6 repo contains the oldest PG version in these tests - 9.0):
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- include: postgresql_lang.yml
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when: ansible_distribution == 'CentOS'
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# dump/restore tests per format
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# ============================================================
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- include: state_dump_restore.yml test_fixture=user file=dbdata.sql
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|
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233
test/integration/targets/postgresql/tasks/postgresql_lang.yml
Normal file
233
test/integration/targets/postgresql/tasks/postgresql_lang.yml
Normal file
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@ -0,0 +1,233 @@
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# Copyright: (c) 2019, Andrew Klychkov (@Andersson007) <aaklychkov@mail.ru>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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# Preparation for tests:
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- name: postgresql_lang - install lang plperl
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become: yes
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package:
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name: "{{ item }}"
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state: present
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with_items:
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- postgresql-plperl
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- postgresql-plpython
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###############
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# Do main tests
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#
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# Create language in check_mode:
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- name: postgresql_lang - create plperl in check_mode
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become_user: "{{ pg_user }}"
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become: yes
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postgresql_lang:
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db: postgres
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login_user: "{{ pg_user }}"
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name: plperl
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register: result
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ignore_errors: yes
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check_mode: yes
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- assert:
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that:
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- result.changed == true
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- result.queries == []
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||||
- name: postgresql_lang - check that lang doesn't exist after previous step, rowcount must be 0
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become_user: "{{ pg_user }}"
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become: yes
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postgresql_query:
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db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
query: "SELECT 1 FROM pg_language WHERE lanname = 'plperl'"
|
||||
register: result
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.rowcount == 0
|
||||
|
||||
# Create language:
|
||||
- name: postgresql_lang - create plperl
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_lang:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
name: plperl
|
||||
register: result
|
||||
ignore_errors: yes
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.changed == true
|
||||
- result.queries == ['CREATE LANGUAGE "plperl"']
|
||||
|
||||
- name: postgresql_lang - check that lang exists after previous step
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_query:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
query: "SELECT 1 FROM pg_language WHERE lanname = 'plperl'"
|
||||
register: result
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.rowcount == 1
|
||||
|
||||
# Drop language in check_mode:
|
||||
- name: postgresql_lang - drop plperl in check_mode
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_lang:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
name: plperl
|
||||
state: absent
|
||||
register: result
|
||||
ignore_errors: yes
|
||||
check_mode: yes
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.changed == true
|
||||
- result.queries == []
|
||||
|
||||
- name: postgresql_lang - check that lang exists after previous step, rowcount must be 1
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_query:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
query: "SELECT 1 FROM pg_language WHERE lanname = 'plperl'"
|
||||
register: result
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.rowcount == 1
|
||||
|
||||
# Drop language:
|
||||
- name: postgresql_lang - drop plperl
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_lang:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
name: plperl
|
||||
state: absent
|
||||
register: result
|
||||
ignore_errors: yes
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.changed == true
|
||||
- result.queries == ['DROP LANGUAGE "plperl"']
|
||||
|
||||
- name: postgresql_lang - check that lang doesn't exist after previous step, rowcount must be 0
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_query:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
query: "SELECT 1 FROM pg_language WHERE lanname = 'plperl'"
|
||||
register: result
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.rowcount == 0
|
||||
|
||||
# Check fail_on_drop yes
|
||||
- name: postgresql_lang - drop c language to check fail_on_drop yes
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_lang:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
name: c
|
||||
state: absent
|
||||
fail_on_drop: yes
|
||||
register: result
|
||||
ignore_errors: yes
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.failed == true
|
||||
|
||||
# Check fail_on_drop no
|
||||
- name: postgresql_lang - drop c language to check fail_on_drop no
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_lang:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
name: c
|
||||
state: absent
|
||||
fail_on_drop: no
|
||||
register: result
|
||||
ignore_errors: yes
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.failed == false
|
||||
|
||||
# Create trusted language:
|
||||
- name: postgresql_lang - create plpythonu
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_lang:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
name: plpythonu
|
||||
trust: yes
|
||||
force_trust: yes
|
||||
register: result
|
||||
ignore_errors: yes
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.changed == true
|
||||
- result.queries == ['CREATE TRUSTED LANGUAGE "plpythonu"', "UPDATE pg_language SET lanpltrusted = 'True' WHERE lanname = 'plpythonu'"]
|
||||
|
||||
- name: postgresql_lang - check that lang exists and it's trusted after previous step
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_query:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
query: "SELECT 1 FROM pg_language WHERE lanname = 'plpythonu' AND lanpltrusted = 't'"
|
||||
register: result
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.rowcount == 1
|
||||
|
||||
# Drop language cascade, tests of aliases:
|
||||
- name: postgresql_lang - drop plpythonu cascade
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_lang:
|
||||
login_db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
login_port: 5432
|
||||
lang: plpythonu
|
||||
state: absent
|
||||
cascade: yes
|
||||
register: result
|
||||
ignore_errors: yes
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.changed == true
|
||||
- result.queries == ['DROP LANGUAGE "plpythonu" CASCADE']
|
||||
|
||||
- name: postgresql_lang - check that lang doesn't exist after previous step, rowcount must be 0
|
||||
become_user: "{{ pg_user }}"
|
||||
become: yes
|
||||
postgresql_query:
|
||||
db: postgres
|
||||
login_user: "{{ pg_user }}"
|
||||
query: "SELECT 1 FROM pg_language WHERE lanname = 'plpythonu'"
|
||||
register: result
|
||||
|
||||
- assert:
|
||||
that:
|
||||
- result.rowcount == 0
|
||||
Loading…
Reference in a new issue