roles/capture-system-logs/tasks/main.yaml

# TODO(andreaf) Make this into proper Ansible
- name: Stage various logs and reports
  shell:
    executable: /bin/bash
    cmd: |
      sudo iptables-save > {{ stage_dir }}/iptables.txt
      df -h > {{ stage_dir }}/df.txt

      for py_ver in 2 3; do
          if [[ `which python${py_ver}` ]]; then
              python${py_ver} -m pip freeze > {{ stage_dir }}/pip${py_ver}-freeze.txt
          fi
      done

      if [ `command -v dpkg` ]; then
          dpkg -l> {{ stage_dir }}/dpkg-l.txt
      fi
      if [ `command -v rpm` ]; then
          rpm -qa | sort > {{ stage_dir }}/rpm-qa.txt
      fi

      # NOTE(kchamart) The 'audit.log' can be useful in cases when QEMU
      # failed to start due to denials from SELinux — useful for CentOS
      # and Fedora machines.  For Ubuntu (which runs AppArmor), DevStack
      # already captures the contents of /var/log/kern.log (via
      # `journalctl -t kernel` redirected into syslog.txt.gz), which
      # contains AppArmor-related messages.
      if [ -f /var/log/audit/audit.log ] ; then
          sudo cp /var/log/audit/audit.log {{stage_dir }}/audit.log &&
          chmod +r {{ stage_dir }}/audit.log;
      fi

      # gzip and save any coredumps in /var/core
      if [ -d /var/core ]; then
          sudo gzip -r /var/core
          sudo cp -r /var/core {{ stage_dir }}/
      fi

      sudo ss -lntup | grep ':53' > {{ stage_dir }}/listen53.txt

      # NOTE(andreaf) Service logs are already in logs/ thanks for the
      # export-devstack-journal log. Apache logs are under apache/ thans to the
      # apache-logs-conf role.
      grep -i deprecat {{ stage_dir }}/logs/*.txt {{ stage_dir }}/apache/*.log | \
          sed -r 's/[0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\.[0-9]{1,3}/ /g' | \
          sed -r 's/[0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}/ /g' | \
          sed -r 's/[0-9]{1,4}-[0-9]{1,2}-[0-9]{1,4}/ /g' |
          sed -r 's/\[.*\]/ /g' | \
          sed -r 's/\s[0-9]+\s/ /g' | \
          awk '{if ($0 in seen) {seen[$0]++} else {out[++n]=$0;seen[$0]=1}} END { for (i=1; i<=n; i++) print seen[out[i]]" :: " out[i] }' > {{ stage_dir }}/deprecations.log