Add collectd in ci to collect system information

Change-Id: Ic5cbdfd4ebca1d907ada5c39f27dc4a7889daa21

roles/collect-collectd/files/rrdtool_graph.py

@@ -0,0 +1,171 @@
+#!/usr/bin/python2
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import argparse
+import glob
+import logging
+import os
+import re
+import sys
+
+import rrdtool
+
+
+LOG = logging.getLogger('root')
+
+COLORS = (
+    '#0000ff',
+    '#00ff00',
+    '#ff0000',
+    '#00ffff',
+    '#ffff00',
+    '#ff00ff'
+)
+
+
+def colorgen():
+    for color in COLORS:
+        yield color
+
+
+def get_uptime_seconds():
+    with open('/proc/uptime') as f:
+        return f.read().split(' ')[0]
+
+
+class LoadGraph(object):
+
+    DEF = 'DEF:%(vname)s=%(filename)s:%(ds)s:%(CF)s'
+    LINE = 'LINE1:%(vname)s%(color)s:%(vname)s'
+    AREA = 'AREA:%(vname)s%(color)s:%(vname)s'
+
+    def __init__(self, conf, file, color):
+        self.conf = conf
+        self.color = colorgen()
+        self.file = file
+        self.info = RRDInfo(file)
+        self.color = color
+        self.filename = os.path.basename(self.file)
+
+    def _gen_line(self, vname, ds, color):
+        params = dict(vname=vname,
+                      ds=ds,
+                      filename=self.file,
+                      color=color,
+                      CF=self.conf.cf)
+        ret = []
+        ret.append(self.DEF % params)
+        draw = self.LINE
+        if self.conf.area:
+            draw = self.AREA
+        if self.conf.stack:
+            draw += ':STACK'
+        ret.append(draw % params)
+        LOG.info('Get params for ds: %s', ret)
+        return ret
+
+    def gen_params(self):
+
+        ret = []
+        for DS in self.info.data_sources():
+            filename, ext = os.path.splitext(self.filename)
+            vname = '%s-%s' % (filename, DS)
+            ret.extend(self._gen_line(vname, DS, next(self.color)))
+        return ret
+
+    def graph(self):
+        params = self.common_params()
+        params += self.get_period()
+        params.extend(self.gen_params())
+        return rrdtool.graphv(*params)
+
+
+class RRDInfo(object):
+
+    def __init__(self, file):
+        self.info = rrdtool.info(file)
+
+    @property
+    def last_update(self):
+        return self.info['last_update']
+
+    def data_sources(self):
+        dss = set()
+        for key in self.info:
+            ds = re.findall('ds\[(\w*)', key)
+            if ds:
+                dss.add(ds[0])
+        return dss
+
+
+def main():
+    logging.basicConfig(level=logging.DEBUG)
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--file', nargs='+')
+    parser.add_argument('--type')
+    parser.add_argument('--height', default='256')
+    parser.add_argument('--width', default='1024')
+    parser.add_argument('--output', default='a.png')
+
+    parser.add_argument('--stack', action='store_true')
+    parser.add_argument('--area', action='store_true')
+    parser.add_argument('--cf', default='MAX')
+
+    parser.add_argument('--start', default=None)
+    parser.add_argument('--end', default=None)
+
+    conf = parser.parse_args(sys.argv[1:])
+
+    last_update = None
+
+    rrd_definitions = []
+
+    color = colorgen()
+
+    rrd_files = []
+    for f in conf.file:
+        f = os.path.expanduser(f)
+        rrd_files.extend(glob.glob(f))
+    LOG.info('Get rrdfiles: %s', rrd_files)
+
+    for file in rrd_files:
+        rrd_definitions.extend(LoadGraph(conf, file, color=color).gen_params())
+        if not last_update:
+            last_update = RRDInfo(file).last_update
+        else:
+            last_update = min(RRDInfo(file).last_update, last_update)
+
+    start = conf.start
+    end = conf.end
+    if not start:
+        start = 'end-' + get_uptime_seconds()
+    if not end:
+        end = str(last_update + 60)
+
+    params = [
+        conf.output,
+        '--zoom', '4',
+        '--width', conf.width,
+        '--height', conf.height,
+        '--start', start,
+        '--end', end
+        ]
+    params.extend(rrd_definitions)
+    LOG.debug('params: %s', params)
+
+    rrdtool.graph(*params)
+
+
+if __name__ == "__main__":
+    main()

roles/collect-collectd/tasks/main.yml

@@ -0,0 +1,68 @@
+---
+- name: copy rrdtool_graph file
+  copy:
+    src: rrdtool_graph.py
+    dest: /usr/local/bin/rrdtool_graph
+    mode: 0755
+  become: true
+
+- name: stop collectd service
+  service:
+    name: collectd
+    state: stopped
+  become: true
+
+- name: generate image folder
+  file:
+    path: "/tmp/rrd_graph"
+    state: directory
+  become: true
+
+- name: generate load graph
+  command: "/usr/local/bin/rrdtool_graph --file /var/lib/collectd/rrd/{{ ansible_fqdn }}/load/load.rrd --output /tmp/rrd_graph/load.png"
+  ignore_errors: true
+  become: true
+
+- name: generate memory graph
+  command: "/usr/local/bin/rrdtool_graph --file /var/lib/collectd/rrd/{{ ansible_fqdn }}/memory/*.rrd --stack --area --output /tmp/rrd_graph/memory.png"
+  ignore_errors: true
+  become: true
+
+- name: generate interface graph
+  command: "/usr/local/bin/rrdtool_graph --file /var/lib/collectd/rrd/{{ ansible_fqdn }}/interface-{{ ansible_default_ipv4.interface }}/if_packets.rrd --output /tmp/rrd_graph/interface-{{ ansible_default_ipv4.interface }}.png"
+  ignore_errors: true
+  become: true
+
+- name: generate graph.html
+  vars:
+    graphs:
+      - load.png
+      - memory.png
+      - "interface-{{ ansible_default_ipv4.interface }}.png"
+  template:
+    src: graph.html.j2
+    dest: /tmp/rrd_graph/graph.html
+  ignore_errors: true
+  become: true
+
+- name: copy graph files
+  synchronize:
+    src: "/tmp/rrd_graph"
+    dest: "{{ zuul.executor.log_root }}"
+    mode: pull
+    copy_links: true
+    verify_host: true
+
+- name: copy collectd rrd files
+  synchronize:
+    src: "/var/lib/collectd/rrd"
+    dest: "{{ zuul.executor.log_root }}"
+    mode: pull
+    copy_links: true
+    verify_host: true
+
+- name: start collectd service
+  service:
+    name: collectd
+    state: started
+  become: true

roles/collect-collectd/templates/graph.html.j2

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="UTF-8" />
+        <meta name="viewport" content="width=device-width" />
+        <title>Graph.html</title>
+    </head>
+    <body>
+        {% for graph in graphs %}
+        <div>
+            <h2> Grap for {{ graph }} </h2>
+            <img src="{{ graph }}" width="50%" alt="{{ graph }}"/>
+        </div>
+        {% endfor %}
+    </body>
+</html>

roles/collectd/defaults/main.yml

@@ -0,0 +1,14 @@
+collectd_packages:
+  RedHat:
+    - collectd
+    - collectd-disk
+    - collectd-rrdtool
+    - rrdtool-python
+
+  Debian:
+    - collectd
+    - python-rrdtool
+
+collectd_config_path:
+  RedHat: /etc/collectd.conf
+  Debian: /etc/collectd/collectd.conf

roles/collectd/handlers/main.yml

@@ -0,0 +1,5 @@
+- name: restart collectd service
+  service:
+    name: collectd
+    state: restarted
+  become: true

roles/collectd/tasks/main.yml

@@ -0,0 +1,46 @@
+---
+- name: install centos-release-opstools repo
+  package: "name={{ item }}"
+  become: true
+  with_items:
+    - centos-release-opstools
+  when:
+    - ansible_os_family == 'RedHat'
+
+- name: update yum cache
+  command: yum makecache
+  become: true
+  when:
+    - ansible_os_family == 'RedHat'
+
+- name: install collectd
+  package:
+    name: "{{ item }}"
+  become: true
+  with_items: "{{ collectd_packages[ansible_os_family] }}"
+  notify:
+    - restart collectd service
+
+- name: Ensure rrd folder
+  file:
+    path: "/var/lib/collectd/rrd"
+    state: "directory"
+  become: true
+
+- name: copy collectd.conf file
+  template:
+    src: collectd.conf.j2
+    dest: "{{ collectd_config_path[ansible_os_family] }}"
+  become: true
+  notify:
+    - restart collectd service
+
+- name: Flush handlers
+  meta: flush_handlers
+
+- name: enable collectd service
+  become: true
+  service:
+    name: collectd
+    enabled: yes
+    state: started

roles/collectd/templates/collectd.conf.j2

@@ -0,0 +1,27 @@
+Interval 5
+
+LoadPlugin syslog
+LoadPlugin cpu
+LoadPlugin interface
+LoadPlugin load
+LoadPlugin memory
+LoadPlugin rrdtool
+<Plugin rrdtool>
+    DataDir "/var/lib/collectd/rrd"
+    CreateFilesAsync false
+    CacheTimeout 120
+    CacheFlush   900
+    WritesPerSecond 50
+</Plugin>
+
+LoadPlugin disk
+<Plugin "disk">
+  IgnoreSelected false
+</Plugin>
+
+LoadPlugin df
+<Plugin "df">
+  IgnoreSelected true
+</Plugin>
+
+LoadPlugin processes

tests/playbooks/post.yml

@@ -1,4 +1,6 @@
 - hosts: all
+  roles:
+    - collect-collectd
   tasks:
     - shell:
         cmd: |

tests/playbooks/pre.yml

@@ -1,6 +1,7 @@
 - hosts: all
   become: true
-
+  roles:
+    - collectd
   tasks:
     - name: Install dbus for debian system
       apt: name=dbus