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Boxiang Sun
slapos.core
Commits
8e0369a2
Commit
8e0369a2
authored
Jul 27, 2011
by
Antoine Catton
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Code factorization of report running and promise checking
parent
65494a3a
Changes
1
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1 changed file
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44 additions
and
44 deletions
+44
-44
slapos/grid/slapgrid.py
slapos/grid/slapgrid.py
+44
-44
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slapos/grid/slapgrid.py
View file @
8e0369a2
...
...
@@ -472,6 +472,23 @@ class Slapgrid(object):
return
False
def
_runCommandsAsUserAndYieldPopen
(
self
,
commands_list
,
user
,
cwd
):
uid
,
gid
=
user
for
command
in
commands_list
:
kw
=
dict
()
if
not
self
.
console
:
kw
.
update
(
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
STDOUT
)
process_handler
=
SlapPopen
(
command
,
preexec_fn
=
lambda
:
dropPrivileges
(
uid
,
gid
),
cwd
=
cwd
,
env
=
None
,
**
kw
)
yield
(
process_handler
,
command
)
def
agregateAndSendUsage
(
self
):
"""Will agregate usage from each Computer Partition.
"""
...
...
@@ -494,6 +511,13 @@ class Slapgrid(object):
else
:
script_list_to_run
=
[]
uid
,
gid
=
None
,
None
stat_info
=
os
.
stat
(
instance_path
)
#stat sys call to get statistics informations
uid
=
stat_info
.
st_uid
gid
=
stat_info
.
st_gid
#We now generate the pseudorandom name for the xml file
# and we add it in the invocation_list
f
=
tempfile
.
NamedTemporaryFile
()
...
...
@@ -502,30 +526,18 @@ class Slapgrid(object):
name_xml
)
failed_script_list
=
[]
for
script
in
script_list_to_run
:
invocation_list
=
[]
invocation_list
.
append
(
os
.
path
.
join
(
instance_path
,
'etc'
,
'report'
,
script
))
#We add the xml_file name in the invocation_list
#f = tempfile.NamedTemporaryFile()
#name_xml = '%s.%s' % ('slapreport', os.path.basename(f.name))
#path_to_slapreport = os.path.join(instance_path, 'var', name_xml)
invocation_list
.
append
(
path_to_slapreport
)
#Dropping privileges
uid
,
gid
=
None
,
None
stat_info
=
os
.
stat
(
instance_path
)
#stat sys call to get statistics informations
uid
=
stat_info
.
st_uid
gid
=
stat_info
.
st_gid
kw
=
dict
()
if
not
self
.
console
:
kw
.
update
(
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
STDOUT
)
process_handler
=
SlapPopen
(
invocation_list
,
preexec_fn
=
lambda
:
dropPrivileges
(
uid
,
gid
),
cwd
=
os
.
path
.
join
(
instance_path
,
'etc'
,
'report'
),
env
=
None
,
**
kw
)
commands_to_run
=
[
(
os
.
path
.
join
(
instance_path
,
'etc'
,
'report'
,
script
),
path_to_slapreport
,
)
for
script
in
script_list_to_run
]
cwd
=
os
.
path
.
join
(
instance_path
,
'etc'
,
'report'
)
for
process_handler
,
command
in
self
.
_runCommandAsUserAndYieldPopen
(
commands_to_run
,
(
uid
,
gid
),
cwd
):
result
=
process_handler
.
communicate
()[
0
]
if
self
.
console
:
result
=
'Please consult messages above'
...
...
@@ -535,39 +547,27 @@ class Slapgrid(object):
clean_run
=
False
failed_script_list
.
append
(
"Script %r failed with %s."
%
(
script
,
result
))
logger
.
warning
(
"Failed to run %r, the result was.
\
n
%s"
%
(
invocation_list
,
result
))
(
command
,
result
))
if
len
(
failed_script_list
):
computer_partition
.
error
(
'
\
n
'
.
join
(
failed_script_list
))
#
# Checking if the promises are kept
#
# XXX-Antoine: I thought about factorizing this code with
# the above one. But it seemed like a lot to get through.
# Get the list of promises
promise_dir
=
os
.
join
(
instance_path
,
'etc'
,
'promise'
)
promises_list
=
os
.
listdir
(
promise_dir
)
commands_to_run
=
os
.
listdir
(
promise_dir
)
cwd
=
instance_path
# Check whether every promise is kept
for
promise
in
promises_list
:
command_line
=
[
promise
]
uid
,
gid
=
None
,
None
stat_info
=
os
.
stat
(
instance_path
)
uid
,
gid
=
stat_info
.
st_uid
,
stat_info
.
st_gid
kw
=
dict
()
if
not
self
.
console
:
kw
.
update
(
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
STDOUT
)
process_handler
=
SlapPopen
(
command_line
,
preexec_fn
=
lambda
:
dropPrivileges
(
uid
,
gid
),
cwd
=
instance_path
,
env
=
None
,
**
kw
)
for
process_handler
,
command
in
self
.
_runCommandAsUserAndYieldPopen
(
commands_to_run
,
(
uid
,
gid
),
cwd
):
time
.
sleep
(
3
)
# 3 seconds timeout
promise
=
os
.
path
.
basename
(
command
)
if
process_handler
.
poll
()
is
None
:
process_handler
.
kill
()
computer_partition
.
error
(
"The promise '%s' timed out"
%
promise
)
...
...
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