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Eric Zheng
slapos.toolbox
Commits
54267e24
Commit
54267e24
authored
Nov 22, 2011
by
Antoine Catton
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Add pubsub server.
parent
37b01e23
Changes
3
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3 changed files
with
211 additions
and
0 deletions
+211
-0
setup.py
setup.py
+4
-0
slapos/pubsub/__init__.py
slapos/pubsub/__init__.py
+126
-0
slapos/pubsub/notifier.py
slapos/pubsub/notifier.py
+81
-0
No files found.
setup.py
View file @
54267e24
...
...
@@ -24,6 +24,8 @@ setup(name=name,
include_package_data
=
True
,
install_requires
=
[
'Flask'
,
# needed by servers
'atomize'
,
# needed by pubsub
'feedparser'
,
# needed by pubsub
'apache_libcloud>=0.4.0'
,
# needed by cloudmgr
'lxml'
,
# needed for xml parsing
'paramiko'
,
# needed by cloudmgr
...
...
@@ -56,6 +58,8 @@ setup(name=name,
'killpidfromfile = slapos.systool:killpidfromfile'
,
'lampconfigure = slapos.lamp:run [lampconfigure]'
,
'equeue = slapos.equeue:main'
,
'pubsubserver = slapos.pubsub:main'
,
'pubsubnotifier = slapos.pubsub.notifier:main'
,
]
},
)
slapos/pubsub/__init__.py
0 → 100644
View file @
54267e24
from
datetime
import
datetime
import
csv
import
feedparser
import
socket
import
json
import
time
import
math
import
httplib
# To avoid magic numbers
import
argparse
import
os
from
hashlib
import
sha512
from
atomize
import
Entry
from
atomize
import
Feed
from
atomize
import
Content
from
flask
import
Flask
from
flask
import
abort
from
flask
import
request
app
=
Flask
(
__name__
)
@
app
.
route
(
'/get/<feed>'
)
def
get_feed
(
feed
):
global
app
feedpath
=
os
.
path
.
join
(
app
.
config
[
'FEEDS'
],
feed
)
if
not
os
.
path
.
exists
(
feedpath
):
abort
(
httplib
.
NOT_FOUND
)
# XXX: Add a way to specify a title
feed_title
=
'Untitled'
feed_guid
=
request
.
url
# XXX: Add a way to specify an author
feed_author
=
'No author'
entries
=
[]
feed_updated
=
0
with
open
(
feedpath
,
'r'
)
as
feed_file
:
reader
=
csv
.
reader
(
feed_file
)
for
row
in
reader
:
timestamp
,
title
,
content
,
guid
=
row
timestamp
=
int
(
timestamp
)
# Keep the maximum timestamp without
# looping once more.
if
timestamp
>
feed_updated
:
feed_updated
=
timestamp
entries
.
append
(
Entry
(
title
=
title
,
guid
=
guid
,
updated
=
datetime
.
fromtimestamp
(
timestamp
),
content
=
Content
(
content
),
))
feed
=
Feed
(
title
=
feed_title
,
updated
=
datetime
.
fromtimestamp
(
feed_updated
),
guid
=
feed_guid
,
author
=
feed_author
,
entries
=
entries
,
self_link
=
request
.
url
)
return
(
feed
.
feed_string
(),
httplib
.
OK
,
{
'Content-Type'
:
'application/atom+xml'
}
)
@
app
.
route
(
'/notify'
,
methods
=
[
'POST'
])
def
notify
():
global
app
try
:
feed
=
feedparser
.
parse
(
request
.
data
)
except
ValueError
:
abort
(
httplib
.
BAD_REQUEST
)
if
feed
.
bozo
:
# Malformed XML
abort
(
httplib
.
BAD_REQUEST
)
try
:
callback_filepath
=
os
.
path
.
join
(
app
.
config
[
'CALLBACKS'
],
sha512
(
str
(
feed
.
feed
.
id
)).
hexdigest
())
if
not
os
.
path
.
exists
(
callback_filepath
):
abort
(
httplib
.
NOT_FOUND
)
except
AttributeError
:
abort
(
httplib
.
BAD_REQUEST
)
with
open
(
callback_filepath
,
'r'
)
as
callback_file
:
callback
=
callback_file
.
read
()
timestamp
=
int
(
math
.
floor
(
time
.
mktime
(
feed
.
feed
.
updated_parsed
)))
equeue_request
=
json
.
dumps
(
dict
(
command
=
callback
,
timestamp
=
timestamp
,
))
equeue_socket
=
socket
.
socket
(
socket
.
AF_UNIX
,
socket
.
SOCK_STREAM
)
equeue_socket
.
connect
(
app
.
config
[
'EQUEUE_SOCKET'
])
equeue_socket
.
send
(
equeue_request
)
result
=
equeue_socket
.
recv
(
len
(
callback
))
equeue_socket
.
close
()
if
result
!=
callback
:
abort
(
httplib
.
INTERNAL_SERVER_ERROR
)
return
''
,
httplib
.
NO_CONTENT
def
main
():
global
app
parser
=
argparse
.
ArgumentParser
(
description
=
"Atom server"
)
parser
.
add_argument
(
'-c'
,
'--callbacks'
,
nargs
=
1
,
required
=
True
,
help
=
"Callback directory."
)
parser
.
add_argument
(
'-f'
,
'--feeds'
,
nargs
=
1
,
required
=
True
,
help
=
"Feeds directory"
)
parser
.
add_argument
(
'-s'
,
'--equeue-socket'
,
dest
=
'equeue_socket'
,
nargs
=
1
,
required
=
True
,
help
=
"EQUEUE Server socket"
)
parser
.
add_argument
(
'host'
,
metavar
=
'hostname'
,
default
=
'0.0.0.0'
,
nargs
=
'?'
)
parser
.
add_argument
(
'port'
,
metavar
=
'port'
,
type
=
int
,
default
=
8080
,
nargs
=
'?'
)
args
=
parser
.
parse_args
()
app
.
config
.
update
(
FEEDS
=
args
.
feeds
[
0
],
CALLBACKS
=
args
.
callbacks
[
0
],
EQUEUE_SOCKET
=
args
.
equeue_socket
[
0
])
app
.
run
(
host
=
args
.
host
,
port
=
args
.
port
)
if
__name__
==
'__main__'
:
main
()
slapos/pubsub/notifier.py
0 → 100644
View file @
54267e24
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import
math
import
subprocess
import
os
import
uuid
import
csv
import
time
import
urllib2
from
urlparse
import
urlparse
import
httplib
import
socket
import
sys
import
argparse
def
main
():
parser
=
argparse
.
ArgumentParser
()
parser
.
add_argument
(
'-l'
,
'--log'
,
nargs
=
1
,
required
=
True
,
dest
=
'logfile'
,
metavar
=
'logfile'
,
help
=
"Logging file"
)
parser
.
add_argument
(
'-t'
,
'--title'
,
nargs
=
1
,
required
=
True
,
help
=
"Entry title."
)
parser
.
add_argument
(
'-f'
,
'--feed'
,
nargs
=
1
,
required
=
True
,
dest
=
'feed_url'
,
help
=
"Url of the feed."
)
parser
.
add_argument
(
'--notification-url'
,
dest
=
'notification_url'
,
nargs
=
1
,
required
=
True
,
help
=
"Notification url"
)
parser
.
add_argument
(
'executable'
,
nargs
=
1
,
help
=
"Executable to wrap"
)
args
=
parser
.
parse_args
()
with
open
(
os
.
devnull
)
as
devnull
:
command
=
subprocess
.
Popen
(
args
.
executable
,
stdin
=
subprocess
.
PIPE
,
stdout
=
devnull
,
stderr
=
subprocess
.
PIPE
,
close_fds
=
True
)
command
.
stdin
.
flush
()
command
.
stdin
.
close
()
if
command
.
wait
()
!=
0
:
content
=
"Failed with returncode %d and stderr %r"
%
(
command
.
poll
(),
command
.
stderr
.
read
(),
)
else
:
content
=
"Everything went well."
with
open
(
args
.
logfile
[
0
],
'a'
)
as
file_
:
cvsfile
=
csv
.
writer
(
file_
)
cvsfile
.
writerow
([
int
(
math
.
floor
(
time
.
time
())),
# Timestamp
args
.
title
[
0
],
content
,
'slapos:%s'
%
uuid
.
uuid4
(),
])
feed
=
urllib2
.
urlopen
(
args
.
feed_url
[
0
])
notification_url
=
urlparse
(
args
.
notification_url
[
0
])
notification_port
=
notification_url
.
port
if
notification_port
is
None
:
notification_port
=
socket
.
getservbyname
(
notification_url
.
scheme
)
headers
=
{
'Content-Type'
:
feed
.
info
().
getheader
(
'Content-Type'
)}
notification
=
httplib
.
HTTPConnection
(
notification_url
.
hostname
,
notification_port
)
notification
.
request
(
'POST'
,
notification_url
.
path
,
feed
.
read
(),
headers
)
response
=
notification
.
getresponse
()
if
200
<=
response
.
status
<
300
:
return
0
else
:
print
>>
sys
.
stderr
,
"The remote server didn't send a successfull reponse."
print
>>
sys
.
stderr
,
"It's response was %r"
%
response
.
reason
return
1
if
__name__
==
'__main__'
:
main
()
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