community.general.postgresql_idx (1.3.14) — module

Create or drop indexes from a PostgreSQL database

Authors: Andrew Klychkov (@Andersson007), Thomas O'Donnell (@andytom)

Install collection

Install with ansible-galaxy collection install community.general:==1.3.14


Add to requirements.yml

  collections:
    - name: community.general
      version: 1.3.14

Description

Create or drop indexes from a PostgreSQL database.


Requirements

Usage examples

  • Success
    Steampunk Spotter scan finished with no errors, warnings or hints.
- name: Create btree index if not exists test_idx concurrently covering columns id and name of table products
  community.general.postgresql_idx:
    db: acme
    table: products
    columns: id,name
    name: test_idx
  • Success
    Steampunk Spotter scan finished with no errors, warnings or hints.
- name: Create btree index test_idx concurrently with tablespace called ssd and storage parameter
  community.general.postgresql_idx:
    db: acme
    table: products
    columns:
    - id
    - name
    idxname: test_idx
    tablespace: ssd
    storage_params:
    - fillfactor=90
  • Success
    Steampunk Spotter scan finished with no errors, warnings or hints.
- name: Create gist index test_gist_idx concurrently on column geo_data of table map
  community.general.postgresql_idx:
    db: somedb
    table: map
    idxtype: gist
    columns: geo_data
    idxname: test_gist_idx
  • Success
    Steampunk Spotter scan finished with no errors, warnings or hints.
# Note: for the example below pg_trgm extension must be installed for gin_trgm_ops
- name: Create gin index gin0_idx not concurrently on column comment of table test
  community.general.postgresql_idx:
    idxname: gin0_idx
    table: test
    columns: comment gin_trgm_ops
    concurrent: no
    idxtype: gin
  • Success
    Steampunk Spotter scan finished with no errors, warnings or hints.
- name: Drop btree test_idx concurrently
  community.general.postgresql_idx:
    db: mydb
    idxname: test_idx
    state: absent
  • Success
    Steampunk Spotter scan finished with no errors, warnings or hints.
- name: Drop test_idx cascade
  community.general.postgresql_idx:
    db: mydb
    idxname: test_idx
    state: absent
    cascade: yes
    concurrent: no
  • Success
    Steampunk Spotter scan finished with no errors, warnings or hints.
- name: Create btree index test_idx concurrently on columns id,comment where column id > 1
  community.general.postgresql_idx:
    db: mydb
    table: test
    columns: id,comment
    idxname: test_idx
    cond: id > 1
  • Success
    Steampunk Spotter scan finished with no errors, warnings or hints.
- name: Create unique btree index if not exists test_unique_idx on column name of table products
  community.general.postgresql_idx:
    db: acme
    table: products
    columns: name
    name: test_unique_idx
    unique: yes
    concurrent: no

Inputs

    
db:
    aliases:
    - login_db
    description:
    - Name of database to connect to and where the index will be created/dropped.
    type: str

cond:
    description:
    - Index conditions.
    - Mutually exclusive with I(state=absent).
    type: str

port:
    aliases:
    - login_port
    default: 5432
    description:
    - Database port to connect to.
    type: int

state:
    choices:
    - absent
    - present
    default: present
    description:
    - Index state.
    - C(present) implies the index will be created if it does not exist.
    - C(absent) implies the index will be dropped if it exists.
    type: str

table:
    description:
    - Table to create index on it.
    - Mutually exclusive with I(state=absent).
    type: str

schema:
    description:
    - Name of a database schema where the index will be created.
    type: str

unique:
    default: false
    description:
    - Enable unique index.
    - Only btree currently supports unique indexes.
    type: bool
    version_added: 0.2.0
    version_added_collection: community.general

ca_cert:
    aliases:
    - ssl_rootcert
    description:
    - Specifies the name of a file containing SSL certificate authority (CA) certificate(s).
    - If the file exists, the server's certificate will be verified to be signed by one
      of these authorities.
    type: str

cascade:
    default: false
    description:
    - Automatically drop objects that depend on the index, and in turn all objects that
      depend on those objects.
    - It used only with I(state=absent).
    - Mutually exclusive with I(concurrent=yes)
    type: bool

columns:
    aliases:
    - column
    description:
    - List of index columns that need to be covered by index.
    - Mutually exclusive with I(state=absent).
    elements: str
    type: list

idxname:
    aliases:
    - name
    description:
    - Name of the index to create or drop.
    required: true
    type: str

idxtype:
    aliases:
    - type
    description:
    - Index type (like btree, gist, gin, etc.).
    - Mutually exclusive with I(state=absent).
    type: str

ssl_mode:
    choices:
    - allow
    - disable
    - prefer
    - require
    - verify-ca
    - verify-full
    default: prefer
    description:
    - Determines whether or with what priority a secure SSL TCP/IP connection will be
      negotiated with the server.
    - See U(https://www.postgresql.org/docs/current/static/libpq-ssl.html) for more information
      on the modes.
    - Default of C(prefer) matches libpq default.
    type: str

concurrent:
    default: true
    description:
    - Enable or disable concurrent mode (CREATE / DROP INDEX CONCURRENTLY).
    - Pay attention, if I(concurrent=no), the table will be locked (ACCESS EXCLUSIVE)
      during the building process. For more information about the lock levels see U(https://www.postgresql.org/docs/current/explicit-locking.html).
    - If the building process was interrupted for any reason when I(cuncurrent=yes), the
      index becomes invalid. In this case it should be dropped and created again.
    - Mutually exclusive with I(cascade=yes).
    type: bool

login_host:
    description:
    - Host running the database.
    type: str

login_user:
    default: postgres
    description:
    - The username used to authenticate with.
    type: str

tablespace:
    description:
    - Set a tablespace for the index.
    - Mutually exclusive with I(state=absent).
    required: false
    type: str

trust_input:
    default: true
    description:
    - If C(no), check whether values of parameters I(idxname), I(session_role), I(schema),
      I(table), I(columns), I(tablespace), I(storage_params), I(cond) are potentially
      dangerous.
    - It makes sense to use C(no) only when SQL injections via the parameters are possible.
    type: bool
    version_added: 0.2.0
    version_added_collection: community.general

session_role:
    description:
    - Switch to session_role after connecting. The specified session_role must be a role
      that the current login_user is a member of.
    - Permissions checking for SQL commands is carried out as though the session_role
      were the one that had logged in originally.
    type: str

login_password:
    description:
    - The password used to authenticate with.
    type: str

storage_params:
    description:
    - Storage parameters like fillfactor, vacuum_cleanup_index_scale_factor, etc.
    - Mutually exclusive with I(state=absent).
    elements: str
    type: list

login_unix_socket:
    description:
    - Path to a Unix domain socket for local connections.
    type: str

Outputs

name:
  description: Index name.
  returned: always
  sample: foo_idx
  type: str
query:
  description: Query that was tried to be executed.
  returned: always
  sample: CREATE INDEX CONCURRENTLY foo_idx ON test_table USING BTREE (id)
  type: str
schema:
  description: Schema where index exists.
  returned: always
  sample: public
  type: str
state:
  description: Index state.
  returned: always
  sample: present
  type: str
storage_params:
  description: Index storage parameters.
  returned: always
  sample:
  - fillfactor=90
  type: list
tablespace:
  description: Tablespace where index exists.
  returned: always
  sample: ssd
  type: str
valid:
  description: Index validity.
  returned: always
  sample: true
  type: bool

See also