ome-dundeeomero.yml

# Install OMERO.server and prepare the OME (UoD/SLS) prerequisites

- hosts: ome-dundeeomero.openmicroscopy.org
  pre_tasks:
    - name: Install open-vm-tools if system is a VMware vm
      become: yes
      yum:
        name: open-vm-tools
        state: present
      when: >
           ((ansible_virtualization_type is defined)
           and (ansible_virtualization_type == "VMware"))

    # Not required for an OMERO server install - UoD specific implementation
    - name: NGOM mount point | Install NFS prerequisites
      become: yes
      yum:
        name: nfs-utils
        state: present

    # Not required for an OMERO server install - UoD specific implementation
    # Before Ansible 2.3, option 'name' was used instead of 'path'
    - name: NGOM mount point | Create the fstab entry and mount the fs
      tags: lvm
      become: yes
      mount:
        name: /ngom
        state: mounted
        fstype: nfs
        src: "{{ngom_nfs_server_addr}}:/uod/lfs/ngom"
        opts: tcp,rsize=16384,wsize=16384
        dump: 0
        passno: 0

    # Perhaps alter the role at https://github.com/openmicroscopy/ansible-role-lvm-partition/
    # to make some of the variables non-required.
    - name: Resize root FS without altering mount options
      tags: lvm
      become: yes
      lvol:
        lv: root
        vg: rhel
        size: "{{ provision_root_lvsize }}"

    - name: Install Make Movie script Prerequisite | MEncoder - Repo
      become: yes
      yum:
        name:  http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
        state: present

    - name: OMERO.figure server-side prerequisites, script prerequisites + web server for decoupled OMERO.web
      become: yes
      yum:
        name: "{{ item }}"
        state: present
      with_items:
        # For OMERO.figure
        - python-reportlab
        - python-markdown
        - mencoder # For the 'make movie' script
        # Current server proxies to a decoupled OMERO.web server
        # Initially replicate this setup, to minimise changes.
        - nginx

  roles:
    # Now OME are using RHEL without Spacewalk, the current best-method of
    # checking `is server SLS` is checking for the SLS nameservers.
    - role: openmicroscopy.system-monitor-agent
      when: "'10.1.255.216' in ansible_dns.nameservers"

    # Disk Layout - PostgreSQL | data dir
    - role: openmicroscopy.lvm-partition
      tags: lvm
      lvm_lvname: pgdata
      lvm_vgname: postgresql
      lvm_lvmount: /var/lib/pgsql
      lvm_lvsize: "{{ provision_postgres_lvsize }}"
      lvm_lvfilesystem: "{{ filesystem }}"

    # Disk Layout - OMERO | data dir
    - role: openmicroscopy.lvm-partition
      tags: lvm
      lvm_lvname: basedir
      lvm_vgname: omero
      lvm_lvmount: "{{ omero_common_basedir }}"
      lvm_lvsize: "{{ provision_omero_basedir_lvsize }}"
      lvm_lvfilesystem: "{{ filesystem }}"

    #  Mock database user & creds, to allow Playbook to install
    #  OMERO, and allow for a manual PostgresSQL dump/restore.
    - role: openmicroscopy.postgresql
      postgresql_users_databases:
      - user: install-mock
        password: install-mock
        databases: [install-mock]

    # Note - had to have these set to `install-mock` to progress role
    # installation before changing config to restored DB from other system.
    - role: openmicroscopy.omero-server
      omero_server_release: 5.5.0
      # install-mock set for inital provision, then playbook re-run with correct accounts.
      #omero_server_dbuser: install-mock
      #omero_server_dbname:  install-mock
      #omero_server_dbpassword: install-mock
      omero_server_dbuser: "{{ vault.omero_server_os_user }}"
      omero_server_dbname:  "{{ vault.omero_server_dbname }}"
      omero_server_dbpassword: "{{ vault.omero_server_dbpassword }}"
      # Active Directory users not working with role.
      # Role requires to be manually modified to make it work with an AD user
      omero_server_system_user: "{{ vault.omero_server_os_user }}"
      # Mocking omero_server_datadir for the first run.
      # Prod value to come from host vars
      # omero_server_datadir: "/tmp/install-mock_omero-server-datadir"
      # omero_server_datadir: overridden after inital role run via host vars
      omero_server_datadir_manage: False
      omero_server_systemd_limit_nofile: 16384
      omero_server_systemd_after:
      - gpfs.service
      omero_server_systemd_requires:
      - gpfs.service
      omero_server_system_user_manage: False

    - role: openmicroscopy.ssl-certificate
      # Configuration for this role in `vars`

  post_tasks:
    - name: NGINX - enable service / start on boot
      become: yes
      systemd:
        name: nginx
        enabled: yes

    # post 2.3 'dest' should be renamed 'path'
    - name: NGINX - Performance tuning - worker processes
      become: yes
      replace:
        dest: "/etc/nginx/nginx.conf"
        regexp: '^worker_processes\s+\d+;'
        replace: "worker_processes 1;"

    # post 2.3 'dest' should be renamed 'path'
    # cf https://www.digitalocean.com/community/tutorials/how-to-optimize-nginx-configuration
    - name: NGINX - Performance tuning - worker connections
      become: yes
      replace:
        dest: "/etc/nginx/nginx.conf"
        regexp: 'worker_connections\s+\d+;'
        replace: "worker_connections 65000;"

    - name: NGINX - create nested includes directory
      become: yes
      file:
        path: /etc/nginx/conf.d-nested-includes
        state: directory

    # post 2.3 'destfile' should be renamed 'path'
    - name: NGINX - Configuration
      become: yes
      template:
        src: nginx-omero.conf.j2
        dest: /etc/nginx/conf.d/omero-web.conf
      notify:
        - restart nginx

    - name: Check_MK postgres plugin | check for plugin existence
      tags: monitoring
      stat:
        path: "{{ check_mk_agent_plugin_path }}/mk_postgres"
      register: check_mk_postgres_plugin_st

    - name: Check_MK postgres plugin | activate the plugin
      tags: monitoring
      become: yes
      command: cp "{{ check_mk_agent_plugin_path }}/mk_postgres" /usr/share/check-mk-agent/plugins/ creates=/usr/share/check-mk-agent/plugins/mk_postgres
      when: check_mk_postgres_plugin_st.stat.exists

    - name: Check_MK logwatch plugin | check for plugin existence
      tags: monitoring
      stat:
        path: "{{ check_mk_agent_plugin_path }}/mk_logwatch"
      register: check_mk_logwatch_plugin_st

    - name: Check_MK logwatch plugin | activate the plugin
      tags: monitoring
      become: yes
      command: cp "{{ check_mk_agent_plugin_path }}/mk_logwatch" /usr/share/check-mk-agent/plugins/ creates=/usr/share/check-mk-agent/plugins/mk_logwatch
      when: check_mk_logwatch_plugin_st.stat.exists

    - name: Check_MK logwatch plugin | check for default config file
      tags: monitoring
      stat:
        path: "{{ check_mk_agent_config_example_path }}/logwatch.cfg"
      register: check_mk_logwatch_plugin_conf_st

    - name: Check_MK logwatch plugin | copy the default config
      tags: monitoring
      become: yes
      command: cp "{{ check_mk_agent_config_example_path }}/logwatch.cfg" "{{ check_mk_agent_config_path }}/logwatch.cfg" creates="{{ check_mk_agent_config_path }}/logwatch.cfg"
      when: check_mk_logwatch_plugin_conf_st

    - name: PostgreSQL Nightly Backups | Create the backups directory
      tags: backups
      become: yes
      file:
        path: "{{ omero_server_db_dumpdir_parent }}/{{ omero_server_db_dumpdir_name }}"
        state: directory
        owner: postgres
        group: postgres
        mode: "u=rwx,go="

    - name: PostgreSQL Nightly Backups | send the backup script
      tags: backups
      become: yes
      template:
        src: nightly-pg_dump-omero.sh.j2
        dest: /etc/cron.daily/nightly-pg_dump-omero.sh
        mode: "u=rwx,go="

    - name: Create a figure scripts directory
      become: yes
      file:
        path: /opt/omero/server/OMERO.server/lib/scripts/omero/figure_scripts
        state: directory
        mode: 0755
        recurse: yes
        owner: root

    - name: Download the Figure_To_Pdf.py script
      become: yes
      get_url:
        url: https://raw.githubusercontent.com/ome/omero-figure/{{ omero_figure_release }}/omero_figure/scripts/omero/figure_scripts/Figure_To_Pdf.py
        dest: /opt/omero/server/OMERO.server/lib/scripts/omero/figure_scripts/Figure_To_Pdf.py
        mode: 0644
        owner: root
        force: yes

  vars:
    # For https://github.com/openmicroscopy/ansible-role-java, which is a dependency.
    java_jdk_install: True

    # Check_MK (system monitoring) paths
    check_mk_agent_plugin_path: /usr/share/check-mk-agent/available-plugins
    check_mk_agent_config_example_path: /usr/share/check_mk/agents/cfg_examples
    check_mk_agent_config_path: /etc/check-mk-agent

    # Backup folder for PostgreSQL 'folder' format dump
    # Overriden by host vars, example values:
    #omero_server_db_dumpdir_parent: /tmp
    #omero_server_db_dumpdir_name: nightly-pg_dump_omero.dir

    ice_version: "3.6"
    postgresql_version: "9.6"
    filesystem: "xfs"
    omero_figure_release: "{{ omero_figure_release_override | default('v4.0.2') }}"
    omero_server_config_set:
      omero.db.poolsize: 60
      omero.jvmcfg.percent.blitz: 50
      omero.jvmcfg.percent.indexer: 20
      omero.jvmcfg.percent.pixeldata: 20
      omero.jvmcfg.system_memory: 17000
      omero.ldap.base: "{{ omero_server_ldap_base }}"
      omero.ldap.config: true
      omero.ldap.urls: "{{ omero_server_ldap_urls }}"
      omero.mail.config: true
      omero.mail.from: "{{ omero_server_mail_from }}"
      omero.mail.host: "{{ omero_server_mail_host }}"
      omero.ldap.new_user_group: "My Data"
      omero.search.batch: 100
      omero.security.password_provider: chainedPasswordProvider431
      omero.throttling.method_time.error: 60000
      omero.Ice.Default.Host: "{{ omero_server_ice_default_host }}"
      Ice.Admin.Endpoints: "{{ omero_server_ice_admin_endpoints }}"
      omero.data.dir: "{{ omero_server_datadir  }}"

    # Disable SSL combined certificate and key
    ssl_certificate_combined_path: ''