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- name: Install gdal-bin
  apt: pkg=gdal-bin install-recommends=true

- name: Install unzip and brotli
  apt: pkg={{ packages }}
  vars:
    packages:
    - unzip
    - brotli

- name: Install python dependencies
  apt: pkg={{ packages }}
  vars:
    packages:
    - python3
    - python3-brotli
    - python3-gdal
    - python3-lxml
    - python3-requests
    - python3-systemd
    - python3-tqdm
    - python3-urllib3
    - python3-xdg
    - python3-yaml

- name: Create directory /etc/webmap
  file: path=/etc/webmap
        state=directory
        owner=root group=root
        mode=0755

- name: Copy /etc/webmap/config.yml
  copy: src=webmap-tools/config.yml
        dest=/etc/webmap/config.yml
        owner=root group=root
        mode=0644

- name: Create directory /usr/local/share/webmap
  file: path=/usr/local/share/webmap
        state=directory
        owner=root group=root
        mode=0755

- name: Copy /usr/local/share/webmap/common.py
  copy: src=webmap-tools/common.py
        dest=/usr/local/share/webmap/common.py
        owner=root group=root
        mode=0644

- name: Copy webmap-update@.target
  copy: src=etc/systemd/system/webmap-update@.target
        dest=/etc/systemd/system/webmap-update@.target
        owner=root group=root
        mode=0644
  notify:
    - systemctl daemon-reload

- name: Copy webmap-update@.timer
  copy: src=etc/systemd/system/webmap-update@.timer
        dest=/etc/systemd/system/webmap-update@.timer
        owner=root group=root
        mode=0644
  notify:
    - systemctl daemon-reload

- name: Enable webmap-update.timer
  service: name=webmap-update@{{ item }}.timer state=started enabled=true
  with_items: "{{ webmap_layer_groups }}"

- meta: flush_handlers


- name: Create system group '_webmap'
  group: name=_webmap system=true
         state=present

- name: Create system user '_webmap-download'
  user: name=_webmap-download system=true
        group=_webmap
        createhome=false
        home=/nonexistent
        shell=/usr/sbin/nologin
        comment="Webmap update (download)"
        password="!"
        state=present

- name: Copy /usr/local/share/webmap/download.py
  copy: src=webmap-tools/webmap-download
        dest=/usr/local/share/webmap/download.py
        owner=root group=root
        mode=0755

- name: Create /usr/local/bin/webmap-download
  file: src=../share/webmap/download.py
        dest=/usr/local/bin/webmap-download
        owner=root group=root
        state=link force=yes

- name: Copy /usr/local/share/webmap/webmap-download-mrr.py
  copy: src=webmap-tools/webmap-download-mrr.py
        dest=/usr/local/share/webmap/webmap-download-mrr.py
        owner=root group=root
        mode=0644

- name: Create directory /var/cache/webmap
  file: path=/var/cache/webmap
        state=directory
        owner=_webmap-download group=root
        mode=0755

- name: Create directory /var/cache/webmap/custom
  file: path=/var/cache/webmap/custom
        state=directory
        owner=root group=root
        mode=0755

- name: Copy custom layers into /var/cache/webmap/custom
  copy: src=webmap-tools/layers/custom/
        dest=/var/cache/webmap/custom/
        owner=root group=root
        mode=0644
        directory_mode=0755

- name: Copy webmap-download@.service
  copy: src=etc/systemd/system/webmap-download@.service
        dest=/etc/systemd/system/webmap-download@.service
        owner=root group=root
        mode=0644
  notify:
    - systemctl daemon-reload

- name: Enable webmap-download@.service
  service: name=webmap-download@{{ item }}.service enabled=true
  with_items: "{{ webmap_layer_groups | difference(webmap_layer_groups_nodownload) }}"

- name: Disable some webmap-download@.service
  service: name=webmap-download@{{ item }}.service enabled=false
  with_items: "{{ webmap_layer_groups_nodownload }}"

- meta: flush_handlers


- name: Create system user '_webmap-import'
  user: name=_webmap-import system=true
        group=_webmap
        createhome=false
        home=/nonexistent
        shell=/usr/sbin/nologin
        comment="Webmap update (extract/import)"
        password="!"
        state=present

- name: Install PostgreSQL and PostGIS
  apt: pkg={{ packages }}
  vars:
    packages:
    - postgresql
    - postgresql-postgis
    - postgis
    # for ansible
    - python3-psycopg

- name: Generate sv_SE.UTF-8 locales
  locale_gen: name=sv_SE.UTF-8 state=present
  # PostgreSQL needs to be restarted to see the new locale
  notify: Restart PostgreSQL

- name: Start PostgreSQL
  service: name=postgresql@{{ postgresql.version }}-{{ postgresql.cluster }}.service state=started

- meta: flush_handlers

# Usage: \sudo -u postgres psql </usr/local/share/webmap/schema.sql
- name: Copy /usr/local/share/webmap/schema.sql
  copy: src=webmap-tools/schema.sql
        dest=/usr/local/share/webmap/schema.sql
        owner=root group=root
        mode=0644

- name: Create PostgreSQL database
  become: true
  # XXX: this creates /var/lib/postgresql/.ansible/tmp
  become_user: postgres
  community.postgresql.postgresql_db:
    name: webmap
    comment: Backend PostGIS database for KlimatanalysNorr tooling
    encoding: UTF-8
    lc_collate: sv_SE.UTF-8
    lc_ctype: sv_SE.UTF-8
    locale_provider: icu
    icu_locale: sv-SE-x-icu
    template: template0
    owner: postgres

- name: Create 'webmap_import' and 'webmap_guest' PostgreSQL users (roles)
  become: true
  become_user: postgres
  community.postgresql.postgresql_user:
    db: webmap
    name: "{{ item }}"
  with_items:
    - webmap_import
    - webmap_guest

- name: Add a rule for 'webmap_import' user in pg_hba.conf
  ansible.builtin.lineinfile:
    path: /etc/postgresql/{{ postgresql.version }}/{{ postgresql.cluster }}/pg_hba.conf
    regexp: '^local\s+webmap\s'
    line: 'local   webmap          all                                     peer map=pgmap_webmap'
    # must come before 'local all all peer', cf.
    # https://dba.stackexchange.com/questions/177142/postgresql-cannot-peer-authenticate-using-usermap-provided-user-name-dbuser
    insertbefore: '^local\s+all\s+all\s'
    create: false
  notify: Reload PostgreSQL

- name: Add a mapping rule for 'webmap_import' user in pg_ident.conf
  ansible.builtin.lineinfile:
    path: /etc/postgresql/{{ postgresql.version }}/{{ postgresql.cluster }}/pg_ident.conf
    regexp: '^pgmap_webmap\s.*\swebmap_import\s*$'
    line: 'pgmap_webmap    _webmap-import                          webmap_import'
    create: false
  notify: Reload PostgreSQL

- name: Add a mapping rule for 'webmap_guest' user in pg_ident.conf
  ansible.builtin.lineinfile:
    path: /etc/postgresql/{{ postgresql.version }}/{{ postgresql.cluster }}/pg_ident.conf
    regexp: '^pgmap_webmap\s.*\swebmap_guest\s*$'
    line: 'pgmap_webmap    /^_?[a-zA-Z][a-zA-Z0-9_\-]*[a-zA-Z0-9]$ webmap_guest'
    create: false
  notify: Reload PostgreSQL

- name: Create 'postgis' PostgreSQL schema
  become: true
  become_user: postgres
  community.postgresql.postgresql_schema:
    name: postgis
    db: webmap
    owner: postgres

- name: Install 'postgis' PostgreSQL extension to the webmap database in the postgis schema
  become: true
  become_user: postgres
  community.postgresql.postgresql_ext:
    name: postgis
    db: webmap
    schema: postgis
    comment: Geographic objects support for PostgreSQL

- name: GRANT CONNECT ON DATABASE webmap TO webmap_import, webmap_guest
  become: true
  become_user: postgres
  community.postgresql.postgresql_privs:
    database: webmap
    privs: CONNECT
    type: database
    role: webmap_import,webmap_guest

- name: GRANT USAGE ON SCHEMA postgis TO webmap_import, webmap_guest
  become: true
  become_user: postgres
  community.postgresql.postgresql_privs:
    database: webmap
    privs: USAGE
    type: schema
    obj: postgis
    role: webmap_import,webmap_guest

# webmap-import should TRUNCATE existing output layers
- name: REVOKE CREATE ON SCHEMA postgis FROM webmap_import
  become: true
  become_user: postgres
  community.postgresql.postgresql_privs:
    database: webmap
    privs: CREATE
    type: schema
    obj: postgis
    role: webmap_import
    state: absent

- name: GRANT SELECT ON TABLES IN SCHEMA postgis TO webmap_guest
  become: true
  become_user: postgres
  community.postgresql.postgresql_privs:
    database: webmap
    privs: SELECT
    type: table
    obj: ALL_IN_SCHEMA
    schema: postgis
    role: webmap_guest

- name: GRANT USAGE, SELECT ON SEQUENCES IN SCHEMA postgis TO webmap_guest
  become: true
  become_user: postgres
  community.postgresql.postgresql_privs:
    database: webmap
    privs: USAGE,SELECT
    type: sequence
    obj: ALL_IN_SCHEMA
    schema: postgis
    role: webmap_guest

- name: Copy /usr/local/share/webmap/import.py
  copy: src=webmap-tools/webmap-import
        dest=/usr/local/share/webmap/import.py
        owner=root group=root
        mode=0755

- name: Create /usr/local/bin/webmap-import
  file: src=../share/webmap/import.py
        dest=/usr/local/bin/webmap-import
        owner=root group=root
        state=link force=yes

- name: Copy webmap-import@.service
  copy: src=etc/systemd/system/webmap-import@.service
        dest=/etc/systemd/system/webmap-import@.service
        owner=root group=root
        mode=0644
  notify:
    - systemctl daemon-reload

- name: Enable webmap-import@.service
  service: name=webmap-import@{{ item }}.service enabled=true
  with_items: "{{ webmap_layer_groups }}"


- name: Build administrative-codes.json*
  become: false
  local_action:
    module: community.general.make
    chdir: ./webmap-tools/administrative-codes
    target: all

- name: Create directory /var/www/webmap/data
  file: path=/var/www/webmap/data
        state=directory
        owner=root group=root
        mode=0755

- name: Copy /var/www/webmap/data/administrative-codes.json*
  copy: src=./webmap-tools/administrative-codes/{{ item }}
        dest=/var/www/webmap/data/{{ item }}
        owner=root group=root
        mode=0644
  with_items:
    - administrative-codes.json
    - administrative-codes.json.br

- meta: flush_handlers


- name: Create system user '_webmap-publish'
  user: name=_webmap-publish system=true
        group=_webmap
        createhome=false
        home=/nonexistent
        shell=/usr/sbin/nologin
        comment="Webmap update (publication as MVT)"
        password="!"
        state=present

- name: Copy /usr/local/share/webmap/publish.py
  copy: src=webmap-tools/webmap-publish
        dest=/usr/local/share/webmap/publish.py
        owner=root group=root
        mode=0755

- name: Create /usr/local/bin/webmap-publish
  file: src=../share/webmap/publish.py
        dest=/usr/local/bin/webmap-publish
        owner=root group=root
        state=link force=yes

- name: Create directory /var/www/webmap/tiles
  file: path=/var/www/webmap/tiles
        state=directory
        owner=_webmap-publish group=root
        mode=0755

- name: Copy webmap-publish@.service
  copy: src=etc/systemd/system/webmap-publish@.service
        dest=/etc/systemd/system/webmap-publish@.service
        owner=root group=root
        mode=0644
  notify:
    - systemctl daemon-reload

#- name: Enable webmap-publish@.service
#  service: name=webmap-publish@{{ item }}.service enabled=true
#  with_items: "{{ webmap_layer_groups }}"


- name: Copy /etc/tmpfiles.d/webmap.conf
  copy: src=etc/tmpfiles.d/webmap.conf
        dest=/etc/tmpfiles.d/webmap.conf
        owner=root group=root
        mode=0644
  notify:
    - systemd-tmpfiles --create

- meta: flush_handlers