ansible/test/utils/docker/vcenter-simulator/flask_control.py
Abhijeet Kasurde bc4ff8aed9 Modify flask_control for vmware_host test suites (#26175)
Fix adds additional helper methods to get information about
host system from vcsim

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>
2017-06-29 19:11:28 -04:00

309 lines
7.5 KiB
Python
Executable file

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# (c) 2017 James Tanner (@jctanner) <tanner.jc@gmail.com>
# Abhijeet Kasurde (@akasurde) <akasurde@redhat.com>
#
# Written by James Tanner <tanner.jc@gmail.com>
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
import os
import psutil
import socket
import subprocess
from flask import Flask
from flask import jsonify
from flask import request
app = Flask(__name__)
GOPATH = os.path.expanduser('/opt/gocode')
VCSIMPATH = os.path.join(GOPATH, 'bin', 'vcsim')
GOVCPATH = os.path.join(GOPATH, 'bin', 'govc')
GOVCURL = None
@app.route('/')
def m_index():
return 'vcsim controller'
@app.route('/kill/<int:number>')
def kill_one(number):
"""Kill any arbitrary process id"""
success = False
e = None
try:
p = psutil.Process(number)
p.terminate()
success = True
except Exception as e:
pass
return jsonify({'success': success, 'e': str(e)})
@app.route('/killall')
def kill_all():
"""Kill ALL of the running vcsim pids"""
results = []
for x in psutil.pids():
p = psutil.Process(x)
if VCSIMPATH in p.cmdline():
success = False
e = None
try:
p.terminate()
success = True
except Exception as e:
pass
results.append(
{'pid': x, 'cmdline': p.cmdline(),
'success': success, 'e': str(e)}
)
return jsonify(results)
@app.route('/spawn')
def spawn_vcsim():
"""Launch vcsim in a background process and return the pid+govcm_url"""
global GOVCURL
username = request.args.get('username') or 'user'
password = request.args.get('password') or 'pass'
hostname = request.args.get('hostname') or \
socket.gethostbyname(socket.gethostname())
port = request.args.get('port') or '443'
port = int(port)
# FIXME - enable tracing
if request.args.get('trace'):
trace = True
else:
trace = False
# vcsim cli options and their default values
cli_opts = [
['app', 0],
['cluster', 0],
['dc', 1],
['ds', 1],
['folder', 1],
['host', 3],
['pg', 1],
['pod', 1],
['pool', 1],
['vm', 2]
]
# useful for client govc commands
govc_url = 'https://%s:%s@%s:%s' % (username, password, hostname, port)
GOVCURL = govc_url
# need these to run the service
env = {
'GOPATH': GOPATH,
'GOVC_URL': govc_url,
'GOVC_INSECURE': '1'
}
# build the command
cmd = [
VCSIMPATH,
'-httptest.serve',
'%s:%s' % (hostname, port),
]
for x in cli_opts:
name = x[0]
default = x[1]
if request.args.get(name):
default = request.args.get(name)
cmd.append('-%s=%s' % (name, default))
cmd = ' '.join(cmd)
cmd += ' 2>&1 > vcsim.log'
# run it with environment settings
p = subprocess.Popen(
cmd,
env=env,
shell=True
)
# return the relevant data
pid = p.pid
rdata = {
'cmd': cmd,
'pid': pid,
'host': hostname,
'port': port,
'username': username,
'password': password,
'GOVC_URL': govc_url
}
return jsonify(rdata)
@app.route('/govc_find')
def govc_find():
"""Run govc find and optionally filter results"""
ofilter = request.args.get('filter') or None
stdout_lines = _get_all_objs(ofilter=ofilter)
return jsonify(stdout_lines)
@app.route('/govc_vm_info')
def get_govc_vm_info():
"""Run govc vm info """
vm_name = request.args.get('vm_name') or None
vm_output = {}
if vm_name:
all_vms = [vm_name]
else:
# Get all VMs
all_vms = _get_all_objs(ofilter='VM')
for vm_name in all_vms:
vm_info = _get_vm_info(vm_name=vm_name)
name = vm_info.get('Name', vm_name)
vm_output[name] = vm_info
return jsonify(vm_output)
@app.route('/govc_host_info')
def get_govc_host_info():
""" Run govc host.info """
host_name = request.args.get("host_name") or None
host_output = {}
if host_name:
all_hosts = [host_name]
else:
all_hosts = _get_all_objs(ofilter='H')
for host_system in all_hosts:
host_info = _get_host_info(host_name=host_system)
name = host_info.get('Name', host_system)
host_output[name] = host_info
return jsonify(host_output)
def _get_host_info(host_name=None):
"""
Get all information of host from vcsim
:param vm_name: Name of host
:return: Dictionary containing information about VM,
where KEY represent attributes and VALUE represent attribute's value
"""
cmd = '%s host.info -host=%s 2>&1' % (GOVCPATH, host_name)
host_info = {}
if host_name is None:
return host_info
host_info = parse_govc_info(cmd)
return host_info
def _get_vm_info(vm_name=None):
"""
Get all information of VM from vcsim
:param vm_name: Name of VM
:return: Dictionary containing information about VM,
where KEY represent attributes and VALUE represent attribute's value
"""
cmd = '%s vm.info %s 2>&1' % (GOVCPATH, vm_name)
vm_info = {}
if vm_name is None:
return vm_info
vm_info = parse_govc_info(cmd)
return vm_info
def parse_govc_info(cmd):
"""
Helper function to parse output of govc info commands
:param cmd: command variable to run and parse output for
:return: Dictionary containing information about object
"""
so, se = run_cmd(cmd)
stdout_lines = so.splitlines()
info = {}
for line in stdout_lines:
if ":" in line:
key, value = line.split(":", 1)
key = key.lstrip()
info[key] = value.strip()
return info
def _get_all_objs(ofilter=None):
"""
Get all VM Objects from vcsim
:param ofilter: Specify which object to get
:return: list of Object specified by ofilter
"""
cmd = '%s find ' % GOVCPATH
filter_mapping = dict(VA='a', CCR='c', DC='d', F='f', DVP='g', H='h',
VM='m', N='n', ON='o', RP='p', CR='r', D='s', DVS='w')
if ofilter:
type_filter = filter_mapping.get(ofilter, '')
if type_filter != '':
cmd += '-type %s ' % type_filter
cmd += "2>&1"
so, se = run_cmd(cmd)
stdout_lines = so.splitlines()
return stdout_lines
def run_cmd(cmd):
"""
Helper Function to run commands
:param cmd: Command string to execute
:return: StdOut and StdErr in string format
"""
global GOVCURL
env = {
'GOPATH': GOPATH,
'GOVC_URL': GOVCURL,
'GOVC_INSECURE': '1'
}
p = subprocess.Popen(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env,
shell=True
)
(so, se) = p.communicate()
return so, se
if __name__ == "__main__":
app.run(debug=False, host='0.0.0.0')