pcp.yaml

---
- hosts: hosts
  remote_user: root
  gather_facts: no
  tasks:
   - name: unlock the packages
     shell: foreman-maintain packages unlock
     
   - name: enable optional repos & install PCP packages
     shell: "{{ item }}"
     with_items:
      - subscription-manager repos --enable rhel-7-server-optional-rpms
      - yum install pcp pcp-pmda-apache pcp-pmda-postgresql pcp-system-tools pcp-webjs -y

   - name: enable & start pmcd,pmlogger daemons
     service:
      name: "{{ item }}"
      enabled: yes
      state: started
     with_items:
      - pmcd
      - pmlogger

   - name: create a file with content
     copy:
      dest: /var/lib/pcp/pmdas/proc/hotproc.conf
      content: |
                #pmdahotproc
                Version 1.0

                # processes with load 0.9 or 1GB RSS memory
                (cpuburn > 0.9 || residentsize > 1000000) &&
                (
                  fname == "java" ||
                  fname == "qdrouterd" ||
                  fname == "qpidd" ||
                  (fname == "postgres" && psargs ~ /-D/) ||
                  fname == "mongod" ||
                  fname == "dynflow_executor" ||
                  fname == "dynflow_executor_monitor" ||
                  fname ~ /smart_proxy_dynflow_core/ ||
                  psargs ~ /Passenger RackApp/ ||
                  psargs ~ /celery beat/ ||
                  psargs ~ /celery worker/ ||
                  psargs ~ /pulp/ ||
                  psargs ~ /smart-proxy/ ||
                  psargs ~ /squid.conf/
                )"
        
   - name: create a new dir to configure PCP to log the process metrics     
     file:
      path: /var/lib/pcp/config/pmlogconf/foreman-hotproc
      state: directory
      mode: 0777
    
   - name: create a file for summary 
     copy:
      dest: /var/lib/pcp/config/pmlogconf/foreman-hotproc/summary
      content: |
                  #pmlogconf-setup 2.0
                  ident   foreman hotproc metrics
                  probe   hotproc.control.config != "" ? include : exclude
                          hotproc.psinfo.psargs
                          hotproc.psinfo.cnswap
                          hotproc.psinfo.nswap
                          hotproc.psinfo.rss
                          hotproc.psinfo.vsize
                          hotproc.psinfo.cstime
                          hotproc.psinfo.cutime
                          hotproc.psinfo.stime
                          hotproc.psinfo.utime
                          hotproc.io.write_byteslt.changed == false"
                          hotproc.io.read_bytes
                          hotproc.schedstat.cpu_time
                          hotproc.fd.count

   - name: install the process monitoring PMDA
     shell: cd /var/lib/pcp/pmdas/proc ; ./Install

   - name: enable Apache HTTP Server extended status module
     copy: 
      dest: /etc/httpd/conf.d/01-status.conf
      content: |
                  ExtendedStatus On
                  LoadModule status_module modules/mod_status.so
                  <Location "/server-status">
                  PassengerEnabled off
                  SetHandler server-status
                  Order deny,allow
                  Deny from all
                  Allow from localhost
                  </Location>

   - name: enable the Apache HTTP Server PMDA
     shell: cd /var/lib/pcp/pmdas/apache ; echo | ./Install
  
   - name: add a line to prevent the sat installer overwriting the extended status module  
     lineinfile: 
      path: /etc/foreman-installer/custom-hiera.yaml
      line: 'apache::purge_configs: false'

   - name: configure PCP to collect metrics from PostgreSQL
     shell: "{{ item }}"
     with_items:
      - cd /var/lib/pcp/pmdas/postgresql ; ./Install
      - semanage permissive -a pcp_pmcd_t
      - yum install foreman-telemetry pcp-mmvstatsd -y 

   - name: copy the database file file from the remote host to the controller
     slurp:
      src: /etc/foreman/database.yml
     register: result

   - name: copy the stored contents
     copy:
      content: "{{ result['content'] |  b64decode }}"
      dest: ~/copy_file.yaml
     delegate_to: localhost

   - include_vars: ~/copy_file.yaml

   - name: configure the PCP database interface to permit access to the PostgreSQL database
     copy: 
      dest: /etc/pcpdbi.conf
      content: |
                 $database = "dbi:Pg:dbname=foreman;host=localhost";
                 $username = "foreman";
                 $password = "{{ production.password }}";
                 $os_user = "foreman";


   - name: enable pcp-mmvstatsd daemons
     service:
      name: pcp-mmvstatsd
      enabled: yes
      state: started

   - name: enable the Satellite telemetry functionality
     copy: 
      dest: /etc/foreman/settings.yaml
      content: |
                  :telemetry:
                  :prefix: 'fm_rails'
                  :statsd:
                    :enabled: true
                    :host: '127.0.0.1:8125'
                    :protocol: 'statsd'
                  :prometheus:
                    :enabled: false
                  :logger:
                    :enabled: false
                    :level: 'INFO'

   - name: schedule daily storage of metrics in archive files                   
     copy:
      dest: /etc/cron.daily/refresh_mmv
      content: |
                  #!/bin/bash
                  echo "log mandatory on 1 minute mmv" | /usr/bin/pmlc -P
   
   - name: change the permissons  
     shell: chmod +x /etc/cron.daily/refresh_mmv

   - name: restart httpd pmcd pmlogger the services
     service:
      name: "{{ item }}"
      state: restarted
     with_items:
       - httpd
       - pmcd
       - pmlogger

   - name: PCP web API and applications
     shell: yum  install pcp-webapi pcp-webapp-grafana pcp-webapp-vector -y

   - name: enable pmwebd daemons
     service:
      name: pmwebd
      enabled: yes

   - name: start the services
     service:
      name: "{{ item }}"
      state: started
     with_items:
      - pmwebd
      - firewalld

   - name: open firewall port to allow access to the PCP web service
     shell: firewall-cmd --add-port=44323/tcp ; firewall-cmd --permanent --add-port=44323/tcp