def main(client_id, user_arguments_dict):
"""Main function used by front end"""
(configuration, logger, output_objects, op_name) = \
initialize_main_variables(client_id, op_header=False)
output_objects.append({'object_type': 'header', 'text':
'%s Request Virtual Machine' % \
configuration.short_title})
status = returnvalues.OK
defaults = signature()[1]
(validate_status, accepted) = validate_input_and_cert(
user_arguments_dict,
defaults,
output_objects,
client_id,
configuration,
allow_rejects=False,
)
if not validate_status:
return (accepted, returnvalues.CLIENT_ERROR)
title_entry = find_entry(output_objects, 'title')
title_entry['text'] = 'Virtual Machines'
if not configuration.site_enable_vmachines:
output_objects.append({
'object_type':
'text',
'text':
'''Virtual machines are disabled on this site.
Please contact the site admins %s if you think they should be enabled.
''' % configuration.admin_email
})
return (output_objects, returnvalues.OK)
form_method = 'post'
csrf_limit = get_csrf_limit(configuration)
fill_helpers = {
'form_method': form_method,
'csrf_field': csrf_field,
'csrf_limit': csrf_limit
}
target_op = 'vmachines'
csrf_token = make_csrf_token(configuration, form_method, target_op,
client_id, csrf_limit)
fill_helpers.update({'target_op': target_op, 'csrf_token': csrf_token})
build_form = '''
<form method="%(form_method)s" action="%(target_op)s.py">
<input type="hidden" name="%(csrf_field)s" value="%(csrf_token)s" />
<input type="hidden" name="output_format" value="html">
<input type="hidden" name="action" value="create">
''' % fill_helpers
build_form += '''
<table style="margin: 0px; width: 100%;">
<tr>
<td style="width: 20%;">Machine name</td>
<td>
<input type="text" name="machine_name" size="30" value="MyVirtualDesktop">
</td>
</tr>
</table>
<fieldset>
<legend><input type="radio" name="machine_type" value="pre" checked="checked">Prebuilt</legend>
<table>
<tr>
<td style="width: 20%;">Choose a OS version</td>
<td>
<select name="os">
'''
for os in vms.available_os_list(configuration):
build_form += '<option value="%s">%s</option>\n' % \
(os, os.capitalize())
build_form += '''
</select>
</td>
</tr>
<tr>
<td>Choose a machine image</td>
<td>
<select name="flavor">
'''
for flavor in vms.available_flavor_list(configuration):
build_form += '<option value="%s">%s</option>\n' % \
(flavor, flavor.capitalize())
build_form += """
</select>
</td>
</tr>
<tr>
<td>Select a runtime environment providing the chosen OS and
flavor combination.
For Ubuntu systems you can typically just use a runtime env from the same year,
like VBOX3.1-IMAGES-2010-1 for ubuntu-10.* versions.</td>
<td>
<input type="hidden" name="hypervisor_re" value="%s">
<select name="sys_re">
""" % configuration.vm_default_hypervisor_re
for sys_re in vms.available_sys_re_list(configuration):
build_form += '<option value="%s">%s</option>\n' % \
(sys_re, sys_re)
build_form += '''
</select>
</td>
</tr>
</table>
</fieldset>
<fieldset>
<legend><input type="radio" name="machine_type" value="custom" disabled>Custom:</legend>
<span class="warningtext">Custom builds are currently unavailable.</span>
<table>
<tr>
<td style="width: 20%;">Software</td>
<td>
<input type=text size=80 name="machine_software" readonly
value="iptables acpid x11vnc xorg gdm xfce4 gcc make netsurf python-openssl" />
</td>
</tr>
</table>
</fieldset>
<input type="submit" value="Submit machine request!">
</form>
'''
output_objects.append({'object_type': 'html_form', 'text': build_form})
return (output_objects, status)
def main(client_id, user_arguments_dict):
"""Main function used by front end"""
(configuration, logger, output_objects, op_name) = \
initialize_main_variables(client_id, op_header=False)
output_objects.append({
'object_type': 'header',
'text': 'Virtual Machines'
})
status = returnvalues.OK
defaults = signature()[1]
(validate_status, accepted) = validate_input_and_cert(
user_arguments_dict,
defaults,
output_objects,
client_id,
configuration,
allow_rejects=False,
)
if not validate_status:
return (accepted, returnvalues.CLIENT_ERROR)
machine_name = accepted['machine_name'][-1].strip()
memory = int(accepted['memory'][-1])
disk = int(accepted['disk'][-1])
vgrid = [name.strip() for name in accepted['vgrid']]
architecture = accepted['architecture'][-1].strip()
cpu_count = int(accepted['cpu_count'][-1])
cpu_time = int(accepted['cpu_time'][-1])
op_sys = accepted['os'][-1].strip()
flavor = accepted['flavor'][-1].strip()
hypervisor_re = accepted['hypervisor_re'][-1].strip()
sys_re = accepted['sys_re'][-1].strip()
action = accepted['action'][-1].strip()
if action in edit_actions and \
not safe_handler(configuration, 'post', op_name, client_id,
get_csrf_limit(configuration), accepted):
output_objects.append({
'object_type':
'error_text',
'text':
'''Only accepting
CSRF-filtered POST requests to prevent unintended updates'''
})
return (output_objects, returnvalues.CLIENT_ERROR)
title_entry = find_entry(output_objects, 'title')
title_entry['text'] = 'Virtual Machines'
# jquery support for confirmation on delete:
(add_import, add_init, add_ready) = confirm_js(configuration)
add_ready += '''
$(".vm-tabs").tabs();
'''
title_entry['script']['advanced'] += add_import
title_entry['script']['init'] += add_init
title_entry['script']['ready'] += add_ready
output_objects.append({
'object_type': 'html_form',
'text': confirm_html(configuration)
})
if not configuration.site_enable_vmachines:
output_objects.append({
'object_type':
'text',
'text':
'''Virtual machines are disabled on this site.
Please contact the site admins %s if you think they should be enabled.
''' % configuration.admin_email
})
return (output_objects, returnvalues.OK)
machine_req = {
'memory': memory,
'disk': disk,
'cpu_count': cpu_count,
'cpu_time': cpu_time,
'architecture': architecture,
'vgrid': vgrid,
'os': op_sys,
'flavor': flavor,
'hypervisor_re': hypervisor_re,
'sys_re': sys_re
}
menu_items = ['vmrequest']
# Html fragments
submenu = render_menu(configuration,
menu_class='navsubmenu',
base_menu=[],
user_menu=menu_items)
welcome_text = 'Welcome to your %s virtual machine management!' % \
configuration.short_title
desc_text = '''On this page you can:
<ul>
<li>Request Virtual Machines, by clicking on the button above</li>
<li>See your virtual machines in the list below.</li>
<li>Start, and connect to your Virtual Machine by clicking on it.</li>
<li>Edit or delete your Virtual Machine from the Advanced tab.</li>
</ul>
'''
output_objects.append({
'object_type':
'html_form',
'text':
'''
<div id="confirm_dialog" title="Confirm" style="background:#fff;">
<div id="confirm_text"><!-- filled by js --></div>
<textarea cols="40" rows="4" id="confirm_input" style="display:none;"></textarea>
</div>
'''
})
output_objects.append({'object_type': 'html_form', 'text': submenu})
output_objects.append({
'object_type': 'html_form',
'text': '<p> </p>'
})
output_objects.append({
'object_type': 'sectionheader',
'text': welcome_text
})
output_objects.append({'object_type': 'html_form', 'text': desc_text})
user_vms = vms.vms_list(client_id, configuration)
if action == 'create':
if not configuration.site_enable_vmachines:
output_objects.append({
'object_type':
'error_text',
'text':
"Virtual machines are disabled on this server"
})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
if not machine_name:
output_objects.append({
'object_type':
'error_text',
'text':
"requested build without machine name"
})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
elif machine_name in [vm["name"] for vm in user_vms]:
output_objects.append({
'object_type':
'error_text',
'text':
"requested machine name '%s' already exists!" % machine_name
})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
elif not flavor in vms.available_flavor_list(configuration):
output_objects.append({
'object_type':
'error_text',
'text':
"requested pre-built flavor not available: %s" % flavor
})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
elif not hypervisor_re in \
vms.available_hypervisor_re_list(configuration):
output_objects.append({
'object_type':
'error_text',
'text':
"requested hypervisor runtime env not available: %s" %
hypervisor_re
})
elif not sys_re in vms.available_sys_re_list(configuration):
output_objects.append({
'object_type':
'error_text',
'text':
"requested system pack runtime env not available: %s" % sys_re
})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
# TODO: support custom build of machine using shared/vmbuilder.py
# request for existing pre-built machine
logger.debug("create new vm: %s" % machine_req)
(create_status, create_msg) = vms.create_vm(client_id, configuration,
machine_name, machine_req)
if not create_status:
output_objects.append({
'object_type':
'error_text',
'text':
"requested virtual machine could not be created: %s" %
create_msg
})
status = returnvalues.SYSTEM_ERROR
return (output_objects, status)
(action_status, action_msg, job_id) = (True, '', None)
if action in ['start', 'stop', 'edit', 'delete']:
if not configuration.site_enable_vmachines:
output_objects.append({
'object_type':
'error_text',
'text':
"Virtual machines are disabled on this server"
})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
if action == 'start':
machine = {}
for entry in user_vms:
if machine_name == entry['name']:
for name in machine_req.keys():
if isinstance(entry[name], basestring) and \
entry[name].isdigit():
machine[name] = int(entry[name])
else:
machine[name] = entry[name]
break
(action_status, action_msg, job_id) = \
vms.enqueue_vm(client_id, configuration, machine_name,
machine)
elif action == 'edit':
if not machine_name in [vm['name'] for vm in user_vms]:
output_objects.append({
'object_type':
'error_text',
'text':
"No such virtual machine: %s" % machine_name
})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
(action_status, action_msg) = \
vms.edit_vm(client_id, configuration, machine_name,
machine_req)
elif action == 'delete':
if not machine_name in [vm['name'] for vm in user_vms]:
output_objects.append({
'object_type':
'error_text',
'text':
"No such virtual machine: %s" % machine_name
})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
(action_status, action_msg) = \
vms.delete_vm(client_id, configuration, machine_name)
elif action == 'stop':
# TODO: manage stop - use live I/O to create vmname.stop in job dir
pass
if not action_status:
output_objects.append({
'object_type': 'error_text',
'text': action_msg
})
# List the machines here
output_objects.append({
'object_type': 'sectionheader',
'text': 'Your machines:'
})
# Grab the vms available for the user
machines = vms.vms_list(client_id, configuration)
# Visual representation mapping of the machine state
machine_states = {
'EXECUTING': 'vm_running.jpg',
'CANCELED': 'vm_off.jpg',
'FAILED': 'vm_off.jpg',
'FINISHED': 'vm_off.jpg',
'UNKNOWN': 'vm_off.jpg',
'QUEUED': 'vm_booting.jpg',
'PARSE': 'vm_booting.jpg',
}
# Empirical upper bound on boot time in seconds used to decide between
# desktop init and ready states
boot_secs = 130
# CANCELED/FAILED/FINISHED -> Powered Off
# QUEUED -> Booting
if len(machines) > 0:
form_method = 'post'
csrf_limit = get_csrf_limit(configuration)
fill_helpers = {
'form_method': form_method,
'csrf_field': csrf_field,
'csrf_limit': csrf_limit
}
target_op = 'vmachines'
csrf_token = make_csrf_token(configuration, form_method, target_op,
client_id, csrf_limit)
fill_helpers.update({'target_op': target_op, 'csrf_token': csrf_token})
# Create a pretty list with start/edit/stop/connect links
pretty_machines = \
'<table style="border: 0; background: none;"><tr>'
side_by_side = 3 # How many machines should be shown in a row?
col = 0
for machine in machines:
# Machines on a row
if col % side_by_side == 0:
pretty_machines += '</tr><tr>'
col += 1
# Html format machine specifications in a fieldset
password = '******'
exec_time = 0
if machine['job_id'] != 'UNKNOWN' and \
machine['status'] == 'EXECUTING':
# TODO: improve on this time selection...
# ... in distributed there is no global clock!
exec_time = time.time() - 3600 \
- time.mktime(machine['execution_time'])
password = vms.vnc_jobid(machine['job_id'])
machine_specs = {}
machine_specs.update(machine)
machine_specs['password'] = password
show_specs = """<fieldset>
<legend>VM Specs:</legend><ul class="no-bullets">
<li><input type="text" readonly value="%(os)s"> base system</li>
<li><input type="text" readonly value="%(flavor)s"> software flavor</li>
<li><input type="text" readonly value="%(memory)s"> MB memory</li>
<li><input type="text" readonly value="%(disk)s"> GB disk</li>
<li><input type="text" readonly value="%(cpu_count)s"> CPU's</li>
<li><input type="text" readonly value="%(vm_arch)s"> architecture</li>
"""
if password != 'UNKNOWN':
show_specs += """
<li><input type="text" readonly value="%(password)s"> as VNC password</li>
"""
show_specs += """
</form></ul></fieldset>"""
edit_specs = """<fieldset>
<legend>Edit VM Specs:</legend><ul class="no-bullets">
<form method="%(form_method)s" action="%(target_op)s.py">
<input type="hidden" name="%(csrf_field)s" value="%(csrf_token)s" />
<input type="hidden" name="action" value="edit">
""" % fill_helpers
edit_specs += """
<input type="hidden" name="machine_name" value="%(name)s">
<input type="hidden" name="output_format" value="html">
<li><input type="text" readonly name="os" value="%(os)s"> base system</li>
<li><input type="text" readonly name="flavor" value="%(flavor)s"> software flavor</li>
<li><input type="text" readonly name="hypervisor_re" value="%(hypervisor_re)s"> hypervisor runtime env</li>
<li><input type="text" readonly name="sys_re" value="%(sys_re)s"> image pack runtime env</li>
<li><input type="text" name="memory" value="%(memory)s"> MB memory</li>
<li><input type="text" name="disk" value="%(disk)s"> GB disk</li>
<li><input type="text" name="cpu_count" value="%(cpu_count)s"> CPU's</li>
<li><select name="architecture">
"""
for arch in [''] + configuration.architectures:
select = ''
if arch == machine_specs['architecture']:
select = 'selected'
edit_specs += "<option %s value='%s'>%s</option>" % (
select, arch, arch)
edit_specs += """</select> resource architecture
<li><input type="text" name="cpu_time" value="%(cpu_time)s"> s time slot</li>
<li><select name="vgrid" multiple>"""
for vgrid_name in [any_vgrid] + \
user_vgrid_access(configuration, client_id):
select = ''
if vgrid_name in machine_specs['vgrid']:
select = 'selected'
edit_specs += "<option %s>%s</option>" % (select, vgrid_name)
edit_specs += """</select> %s(s)</li>""" % \
configuration.site_vgrid_label
if password != 'UNKNOWN':
edit_specs += """
<li><input type="text" readonly value="%(password)s"> as VNC password</li>
"""
edit_specs += """
<input class="styled_button" type="submit" value="Save Changes">
</form>"""
js_name = 'deletevm%s' % hexlify("%(name)s" % machine_specs)
helper = html_post_helper(
js_name, '%s.py' % target_op, {
'machine_name': machine_specs['name'],
'action': 'delete',
csrf_field: csrf_token
})
edit_specs += helper
edit_specs += """<input class="styled_button" type="submit"
value="Delete Machine" onClick="javascript: confirmDialog(%s, '%s');" >
""" % (js_name, "Really permanently delete %(name)s VM?" % machine_specs)
edit_specs += """</ul></fieldset>"""
if machine['status'] == 'EXECUTING' and exec_time > boot_secs:
machine_image = '<img src="/images/vms/' \
+ machine_states[machine['status']] + '">'
elif machine['status'] == 'EXECUTING' and exec_time < boot_secs:
machine_image = \
'<img src="/images/vms/vm_desktop_loading.jpg' \
+ '">'
else:
machine_image = '<img src="/images/vms/' \
+ machine_states[machine['status']] + '">'
machine_link = vms.machine_link(machine_image, machine['job_id'],
machine['name'], machine['uuid'],
machine['status'], machine_req)
# Smack all the html together
fill_dict = {}
fill_dict.update(machine)
fill_dict['link'] = machine_link
fill_dict['show_specs'] = show_specs % machine_specs
fill_dict['edit_specs'] = edit_specs % machine_specs
pretty_machines += '''
<td style="vertical-align: top;">
<fieldset><legend>%(name)s</legend>
<div id="%(name)s-tabs" class="vm-tabs">
<ul>
<li><a href="#%(name)s-overview">Overview</a></li>
<li><a href="#%(name)s-edit">Advanced</a></li>
</ul>
<div id="%(name)s-overview">
<p>%(link)s</p>
%(show_specs)s
</div>
<div id="%(name)s-edit">
%(edit_specs)s
</div>
</div>
</fieldset>
</td>''' % fill_dict
pretty_machines += '</tr></table>'
output_objects.append({
'object_type': 'html_form',
'text': pretty_machines
})
else:
output_objects.append({
'object_type':
'text',
'text':
"You don't have any virtual machines! "
"Click 'Request Virtual Machine' to become a proud owner :)"
})
return (output_objects, status)
def main(client_id, user_arguments_dict):
"""Main function used by front end"""
(configuration, logger, output_objects, op_name) = \
initialize_main_variables(client_id, op_header=False)
output_objects.append({'object_type': 'header', 'text':
'%s Request Virtual Machine' % \
configuration.short_title})
status = returnvalues.OK
defaults = signature()[1]
(validate_status, accepted) = validate_input_and_cert(
user_arguments_dict,
defaults,
output_objects,
client_id,
configuration,
allow_rejects=False,
)
if not validate_status:
return (accepted, returnvalues.CLIENT_ERROR)
title_entry = find_entry(output_objects, 'title')
title_entry['text'] = 'Virtual Machines'
if not configuration.site_enable_vmachines:
output_objects.append({'object_type': 'text', 'text':
'''Virtual machines are disabled on this site.
Please contact the Grid admins %s if you think they should be enabled.
''' % configuration.admin_email})
return (output_objects, returnvalues.OK)
build_form = '''
<form method="post" action="vmachines.py">
<input type="hidden" name="output_format" value="html">
<input type="hidden" name="action" value="create">
<table style="margin: 0px; width: 100%;">
<tr>
<td style="width: 20%;">Machine name</td>
<td>
<input type="text" name="machine_name" size="30" value="MyVirtualDesktop">
</td>
</tr>
</table>
<fieldset>
<legend><input type="radio" name="machine_type" value="pre" checked="checked">Prebuilt</legend>
<table>
<tr>
<td style="width: 20%;">Choose a OS version</td>
<td>
<select name="os">
'''
for os in vms.available_os_list(configuration):
build_form += '<option value="%s">%s</option>\n' % \
(os, os.capitalize())
build_form += '''
</select>
</td>
</tr>
<tr>
<td>Choose a machine image</td>
<td>
<select name="flavor">
'''
for flavor in vms.available_flavor_list(configuration):
build_form += '<option value="%s">%s</option>\n' % \
(flavor, flavor.capitalize())
build_form += """
</select>
</td>
</tr>
<tr>
<td>Select a runtime environment providing the chosen OS and
flavor combination.
For Ubuntu systems you can typically just use a runtime env from the same year,
like VBOX3.1-IMAGES-2010-1 for ubuntu-10.* versions.</td>
<td>
<input type="hidden" name="hypervisor_re" value="%s">
<select name="sys_re">
""" % configuration.vm_default_hypervisor_re
for sys_re in vms.available_sys_re_list(configuration):
build_form += '<option value="%s">%s</option>\n' % \
(sys_re, sys_re)
build_form += '''
</select>
</td>
</tr>
</table>
</fieldset>
<fieldset>
<legend><input type="radio" name="machine_type" value="custom" disabled>Custom:</legend>
<span class="warningtext">Custom builds are currently unavailable.</span>
<table>
<tr>
<td style="width: 20%;">Software</td>
<td>
<input type=text size=80 name="machine_software" readonly
value="iptables acpid x11vnc xorg gdm xfce4 gcc make netsurf python-openssl" />
</td>
</tr>
</table>
</fieldset>
<input type="submit" value="Submit machine request!">
</form>
'''
output_objects.append({'object_type': 'html_form', 'text': build_form})
return (output_objects, status)
def main(client_id, user_arguments_dict):
"""Main function used by front end"""
(configuration, logger, output_objects, op_name) = \
initialize_main_variables(client_id, op_header=False)
output_objects.append({'object_type': 'header', 'text':
'Virtual Machines'})
status = returnvalues.OK
defaults = signature()[1]
(validate_status, accepted) = validate_input_and_cert(
user_arguments_dict,
defaults,
output_objects,
client_id,
configuration,
allow_rejects=False,
)
if not validate_status:
return (accepted, returnvalues.CLIENT_ERROR)
machine_name = accepted['machine_name'][-1].strip()
memory = int(accepted['memory'][-1])
disk = int(accepted['disk'][-1])
vgrid = [name.strip() for name in accepted['vgrid']]
architecture = accepted['architecture'][-1].strip()
cpu_count = int(accepted['cpu_count'][-1])
cpu_time = int(accepted['cpu_time'][-1])
op_sys = accepted['os'][-1].strip()
flavor = accepted['flavor'][-1].strip()
hypervisor_re = accepted['hypervisor_re'][-1].strip()
sys_re = accepted['sys_re'][-1].strip()
action = accepted['action'][-1].strip()
title_entry = find_entry(output_objects, 'title')
title_entry['text'] = 'Virtual Machines'
# jquery support for tablesorter and confirmation on "leave":
css_helpers = {'css_base': os.path.join(configuration.site_images, 'css'),
'skin_base': configuration.site_skin_base}
title_entry['style'] = themed_styles(configuration)
title_entry['javascript'] = '''
<script type="text/javascript" src="/images/js/jquery.js"></script>
<script type="text/javascript" src="/images/js/jquery-ui.js"></script>
<script type="text/javascript" src="/images/js/jquery.confirm.js"></script>
<script type="text/javascript" >
$(document).ready(function() {
// init confirmation dialog
$( "#confirm_dialog" ).dialog(
// see http://jqueryui.com/docs/dialog/ for options
{ autoOpen: false,
modal: true, closeOnEscape: true,
width: 500,
buttons: {
"Cancel": function() { $( "#" + name ).dialog("close"); }
}
});
$(".vm-tabs").tabs();
}
);
</script>
'''
if not configuration.site_enable_vmachines:
output_objects.append({'object_type': 'text', 'text':
'''Virtual machines are disabled on this site.
Please contact the Grid admins %s if you think they should be enabled.
''' % configuration.admin_email})
return (output_objects, returnvalues.OK)
machine_req = {'memory': memory, 'disk': disk, 'cpu_count': cpu_count,
'cpu_time': cpu_time, 'architecture': architecture,
'vgrid': vgrid, 'os': op_sys, 'flavor': flavor,
'hypervisor_re': hypervisor_re, 'sys_re': sys_re}
menu_items = ['vmrequest']
# Html fragments
submenu = render_menu(configuration, menu_class='navsubmenu',
base_menu=[], user_menu=menu_items)
welcome_text = 'Welcome to your %s virtual machine management!' % \
configuration.short_title
desc_text = '''On this page you can:
<ul>
<li>Request Virtual Machines, by clicking on the button above</li>
<li>See your virtual machines in the list below.</li>
<li>Start, and connect to your Virtual Machine by clicking on it.</li>
<li>Edit or delete your Virtual Machine from the Advanced tab.</li>
</ul>
'''
output_objects.append({'object_type': 'html_form',
'text':'''
<div id="confirm_dialog" title="Confirm" style="background:#fff;">
<div id="confirm_text"><!-- filled by js --></div>
<textarea cols="40" rows="4" id="confirm_input" style="display:none;"></textarea>
</div>
'''})
output_objects.append({'object_type': 'html_form', 'text': submenu})
output_objects.append({'object_type': 'html_form', 'text'
: '<p> </p>'})
output_objects.append({'object_type': 'sectionheader', 'text'
: welcome_text})
output_objects.append({'object_type': 'html_form', 'text'
: desc_text})
user_vms = vms.vms_list(client_id, configuration)
if action == 'create':
if not configuration.site_enable_vmachines:
output_objects.append(
{'object_type': 'error_text', 'text':
"Virtual machines are disabled on this server"})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
if not machine_name:
output_objects.append(
{'object_type': 'error_text', 'text':
"requested build without machine name"})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
elif machine_name in [vm["name"] for vm in user_vms]:
output_objects.append(
{'object_type': 'error_text', 'text':
"requested machine name '%s' already exists!" % machine_name})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
elif not flavor in vms.available_flavor_list(configuration):
output_objects.append(
{'object_type': 'error_text', 'text':
"requested pre-built flavor not available: %s" % flavor})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
elif not hypervisor_re in \
vms.available_hypervisor_re_list(configuration):
output_objects.append(
{'object_type': 'error_text', 'text':
"requested hypervisor runtime env not available: %s" % \
hypervisor_re})
elif not sys_re in vms.available_sys_re_list(configuration):
output_objects.append(
{'object_type': 'error_text', 'text':
"requested system pack runtime env not available: %s" % \
sys_re})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
# TODO: support custom build of machine using shared/vmbuilder.py
# request for existing pre-built machine
vms.create_vm(client_id, configuration, machine_name, machine_req)
(action_status, action_msg, job_id) = (True, '', None)
if action in ['start', 'stop', 'edit', 'delete']:
if not configuration.site_enable_vmachines:
output_objects.append(
{'object_type': 'error_text', 'text':
"Virtual machines are disabled on this server"})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
if action == 'start':
machine = {}
for entry in user_vms:
if machine_name == entry['name']:
for name in machine_req.keys():
if isinstance(entry[name], basestring) and \
entry[name].isdigit():
machine[name] = int(entry[name])
else:
machine[name] = entry[name]
break
(action_status, action_msg, job_id) = \
vms.enqueue_vm(client_id, configuration, machine_name,
machine)
elif action == 'edit':
if not machine_name in [vm['name'] for vm in user_vms]:
output_objects.append(
{'object_type': 'error_text', 'text':
"No such virtual machine: %s" % machine_name})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
(action_status, action_msg) = \
vms.edit_vm(client_id, configuration, machine_name,
machine_req)
elif action == 'delete':
if not machine_name in [vm['name'] for vm in user_vms]:
output_objects.append(
{'object_type': 'error_text', 'text':
"No such virtual machine: %s" % machine_name})
status = returnvalues.CLIENT_ERROR
return (output_objects, status)
(action_status, action_msg) = \
vms.delete_vm(client_id, configuration, machine_name)
elif action == 'stop':
# TODO: manage stop - use live I/O to create vmname.stop in job dir
pass
if not action_status:
output_objects.append({'object_type': 'error_text', 'text':
action_msg})
# List the machines here
output_objects.append({'object_type': 'sectionheader', 'text'
: 'Your machines:'})
# Grab the vms available for the user
machines = vms.vms_list(client_id, configuration)
# Visual representation mapping of the machine state
machine_states = {
'EXECUTING': 'vm_running.jpg',
'CANCELED': 'vm_off.jpg',
'FAILED': 'vm_off.jpg',
'FINISHED': 'vm_off.jpg',
'UNKNOWN': 'vm_off.jpg',
'QUEUED': 'vm_booting.jpg',
'PARSE': 'vm_booting.jpg',
}
# Empirical upper bound on boot time in seconds used to decide between
# desktop init and ready states
boot_secs = 130
# CANCELED/FAILED/FINISHED -> Powered Off
# QUEUED -> Booting
if len(machines) > 0:
# Create a pretty list with start/edit/stop/connect links
pretty_machines = \
'<table style="border: 0; background: none;"><tr>'
side_by_side = 3 # How many machines should be shown in a row?
col = 0
for machine in machines:
# Machines on a row
if col % side_by_side == 0:
pretty_machines += '</tr><tr>'
col += 1
# Html format machine specifications in a fieldset
password = '******'
exec_time = 0
if machine['job_id'] != 'UNKNOWN' and \
machine['status'] == 'EXECUTING':
# TODO: improve on this time selection...
# ... in distributed there is no global clock!
exec_time = time.time() - 3600 \
- time.mktime(machine['execution_time'])
password = vms.vnc_jobid(machine['job_id'])
machine_specs = {}
machine_specs.update(machine)
machine_specs['password'] = password
show_specs = """<fieldset>
<legend>VM Specs:</legend><ul class="no-bullets">
<li><input type="text" readonly value="%(os)s"> base system</li>
<li><input type="text" readonly value="%(flavor)s"> software flavor</li>
<li><input type="text" readonly value="%(memory)s"> MB memory</li>
<li><input type="text" readonly value="%(disk)s"> GB disk</li>
<li><input type="text" readonly value="%(cpu_count)s"> CPU's</li>
<li><input type="text" readonly value="%(vm_arch)s"> architecture</li>
"""
if password != 'UNKNOWN':
show_specs += """
<li><input type="text" readonly value="%(password)s"> as VNC password</li>
"""
show_specs += """
</form></ul></fieldset>"""
edit_specs = """<fieldset>
<legend>Edit VM Specs:</legend><ul class="no-bullets">
<form method="post" action="vmachines.py">
<input type="hidden" name="action" value="edit">
<input type="hidden" name="machine_name" value="%(name)s">
<input type="hidden" name="output_format" value="html">
<li><input type="text" readonly name="os" value="%(os)s"> base system</li>
<li><input type="text" readonly name="flavor" value="%(flavor)s"> software flavor</li>
<li><input type="text" readonly name="hypervisor_re" value="%(hypervisor_re)s"> hypervisor runtime env</li>
<li><input type="text" readonly name="sys_re" value="%(sys_re)s"> image pack runtime env</li>
<li><input type="text" name="memory" value="%(memory)s"> MB memory</li>
<li><input type="text" name="disk" value="%(disk)s"> GB disk</li>
<li><input type="text" name="cpu_count" value="%(cpu_count)s"> CPU's</li>
<li><select name="architecture">
"""
for arch in [''] + configuration.architectures:
select = ''
if arch == machine_specs['architecture']:
select = 'selected'
edit_specs += "<option %s value='%s'>%s</option>" % (select, arch,
arch)
edit_specs += """</select> resource architecture
<li><input type="text" name="cpu_time" value="%(cpu_time)s"> s time slot</li>
<li><select name="vgrid" multiple>"""
for vgrid_name in [any_vgrid] + \
user_allowed_vgrids(configuration, client_id):
select = ''
if vgrid_name in machine_specs['vgrid']:
select = 'selected'
edit_specs += "<option %s>%s</option>" % (select, vgrid_name)
edit_specs += """</select> %s(s)</li>""" % \
configuration.site_vgrid_label
if password != 'UNKNOWN':
edit_specs += """
<li><input type="text" readonly value="%(password)s"> as VNC password</li>
"""
edit_specs += """
<input class="styled_button" type="submit" value="Save Changes">
</form>"""
js_name = 'deletevm%s' % hexlify("%(name)s" % machine_specs)
helper = html_post_helper(js_name, 'vmachines.py',
{'machine_name': machine_specs['name'],
'action': 'delete'})
edit_specs += helper
edit_specs += """<input class="styled_button" type="submit"
value="Delete Machine" onClick="javascript: confirmDialog(%s, '%s');" >
""" % (js_name, "Really permanently delete %(name)s VM?" % machine_specs)
edit_specs += """</ul></fieldset>"""
if machine['status'] == 'EXECUTING' and exec_time > boot_secs:
machine_image = '<img src="/images/vms/' \
+ machine_states[machine['status']] + '">'
elif machine['status'] == 'EXECUTING' and exec_time < boot_secs:
machine_image = \
'<img src="/images/vms/vm_desktop_loading.jpg' \
+ '">'
else:
machine_image = '<img src="/images/vms/' \
+ machine_states[machine['status']] + '">'
machine_link = vms.machine_link(machine_image,
machine['job_id'], machine['name'], machine['uuid'
], machine['status'], machine_req)
# Smack all the html together
fill_dict = {}
fill_dict.update(machine)
fill_dict['link'] = machine_link
fill_dict['show_specs'] = show_specs % machine_specs
fill_dict['edit_specs'] = edit_specs % machine_specs
pretty_machines += '''
<td style="vertical-align: top;">
<fieldset><legend>%(name)s</legend>
<div id="%(name)s-tabs" class="vm-tabs">
<ul>
<li><a href="#%(name)s-overview">Overview</a></li>
<li><a href="#%(name)s-edit">Advanced</a></li>
</ul>
<div id="%(name)s-overview">
<p>%(link)s</p>
%(show_specs)s
</div>
<div id="%(name)s-edit">
%(edit_specs)s
</div>
</div>
</fieldset>
</td>''' % fill_dict
pretty_machines += '</tr></table>'
output_objects.append({'object_type': 'html_form', 'text'
: pretty_machines})
else:
output_objects.append(
{'object_type': 'text', 'text'
: "You don't have any virtual machines! "
"Click 'Request Virtual Machine' to become a proud owner :)"
})
return (output_objects, status)
