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Steven Gueguen
slapos
Commits
dc839285
Commit
dc839285
authored
Nov 16, 2011
by
Antoine Catton
Browse files
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Plain Diff
Switch rdiff backup recipe to slave instance based recipe.
parent
2ca33d24
Changes
2
Show whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
120 additions
and
41 deletions
+120
-41
slapos/recipe/dropbear.py
slapos/recipe/dropbear.py
+26
-0
slapos/recipe/rdiffbackup.py
slapos/recipe/rdiffbackup.py
+94
-41
No files found.
slapos/recipe/dropbear.py
View file @
dc839285
...
...
@@ -28,6 +28,32 @@ import os
import
itertools
from
slapos.recipe.librecipe
import
GenericBaseRecipe
class
KnownHostsFile
(
dict
):
def
__init__
(
self
,
filename
):
self
.
_filename
=
filename
def
_load
(
self
):
if
os
.
path
.
exists
(
self
.
_filename
):
with
open
(
self
.
_filename
,
'r'
)
as
keyfile
:
for
line
in
keyfile
:
host
,
key
=
[
column
.
strip
()
for
column
in
line
.
split
(
' '
,
1
)]
self
[
host
]
=
key
def
_dump
(
self
):
with
open
(
self
.
_filename
,
'w'
)
as
keyfile
:
for
key
,
value
in
self
.
items
():
keyfile
.
write
(
'%(host)s %(key)s
\
n
'
%
{
'host'
:
key
,
'key'
:
value
})
def
__enter__
(
self
):
self
.
_load
()
def
__exit__
(
self
,
exc_type
,
exc_value
,
traceback
):
self
.
_dump
()
class
AuthorizedKeysFile
(
object
):
def
__init__
(
self
,
filename
):
...
...
slapos/recipe/rdiffbackup.py
View file @
dc839285
...
...
@@ -24,11 +24,15 @@
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from
json
import
loads
as
unjson
from
hashlib
import
sha512
from
urlparse
import
urlparse
import
os
import
subprocess
import
sys
from
slapos.recipe.librecipe
import
GenericBaseRecipe
from
slapos.recipe.dropbear
import
KnownHostsFile
from
slapos
import
slap
as
slapmodule
...
...
@@ -41,9 +45,7 @@ def promise(args):
# Rdiff Backup protocol quit command
quitcommand
=
'q'
+
chr
(
255
)
+
chr
(
0
)
*
7
ssh_cmdline
=
[
args
[
'ssh_client'
],
'-T'
,
'-i'
,
args
[
'key'
],
'-y'
,
'%(user)s@%(host)s/%(port)s'
%
args
]
ssh_cmdline
=
[
args
[
'ssh_client'
],
'%(user)s@%(host)s/%(port)s'
%
args
]
ssh
=
subprocess
.
Popen
(
ssh_cmdline
,
stdin
=
subprocess
.
PIPE
,
stdout
=
open
(
os
.
devnull
),
stderr
=
open
(
os
.
devnull
))
...
...
@@ -58,48 +60,98 @@ def promise(args):
return
ssh
.
returncode
class
Recipe
(
GenericBaseRecipe
):
def
install
(
self
):
command
=
[
self
.
options
[
'rdiffbackup-binary'
]]
def
add_slave
(
self
,
entry
,
known_hosts_file
):
path_list
=
[]
url
=
entry
.
get
(
'url'
)
if
url
is
None
:
url
=
''
# We assume that thanks to sha512 there's no collisions
url_hash
=
sha512
(
url
).
hexdigest
()
name_hash
=
sha512
(
entry
[
'name'
]).
hexdigest
()
promise_path
=
os
.
path
.
join
(
self
.
options
[
'promises-directory'
],
url_hash
)
parsed_url
=
urlparse
(
url
)
promise_dict
=
self
.
promise_base_dict
.
copy
()
promise_dict
.
update
(
user
=
parsed_url
.
username
,
host
=
parsed_url
.
hostname
,
port
=
parsed_url
.
port
)
promise
=
self
.
createPythonScript
(
promise_path
,
__name__
+
'.promise'
,
promise_dict
)
path_list
.
append
(
promise
)
if
self
.
optionIsTrue
(
'client'
,
True
):
self
.
logger
.
info
(
"Client mode"
)
# XXX-Antoine: Automaticaly accept unknown key with -y
# we should generate a known_host file.
remote_schema
=
'%(ssh)s -i %%s -T -y %(user)s@%(host)s/%(port)s'
%
\
host
=
parsed_url
.
hostname
known_hosts_file
[
host
]
=
entry
[
'server-key'
]
remote_schema
=
'%(ssh)s -p %%s %(user)s@%(host)s'
%
\
{
'ssh'
:
self
.
options
[
'sshclient-binary'
],
'user'
:
self
.
options
[
'user'
],
'host'
:
self
.
options
[
'host'
],
'port'
:
self
.
options
[
'port'
],
'user'
:
parsed_url
.
username
,
'host'
:
parsed_url
.
hostname
,
}
command
=
[
self
.
options
[
'rdiffbackup-binary'
]]
command
.
extend
([
'--remote-schema'
,
remote_schema
])
command
.
append
(
'%(key)s::%(path)s'
%
{
'key'
:
self
.
options
[
'key'
],
'path'
:
self
.
options
[
'path'
]})
command
.
append
(
self
.
options
[
'localpath'
])
if
'promise'
in
self
.
options
:
remote_directory
=
'%(port)s::%(path)s'
%
{
'port'
:
parsed_url
.
port
,
'path'
:
parsed_url
.
path
}
local_directory
=
self
.
createDirectory
(
self
.
options
[
'directory'
],
name_hash
)
if
entry
[
'type'
]
==
'push'
:
command
.
extend
([
'--restore-as-of'
,
'now'
])
command
.
extend
([
local_directory
,
remote_directory
])
else
:
command
.
extend
([
remote_directory
,
local_directory
])
wrapper
=
self
.
createPythonScript
(
os
.
path
.
join
(
self
.
options
[
'wrappers-directory'
],
url_hash
),
'slapos.recipe.librecipe.execute.execute'
,
command
)
path_list
.
append
(
wrapper
)
cron_entry
=
os
.
path
.
join
(
self
.
options
[
'cron-entries'
],
url_hash
)
with
open
(
cron_entry
,
'w'
)
as
cron_entry_file
:
cron_entry_file
.
write
(
'%s %s'
%
(
entry
[
'frequency'
],
wrapper
))
path_list
.
append
(
cron_entry
)
return
path_list
def
install
(
self
):
path_list
=
[]
if
self
.
optionIsTrue
(
'client'
,
True
):
self
.
logger
.
info
(
"Client mode"
)
slap_connection
=
self
.
buildout
[
'slap-connection'
]
self
.
createPythonScript
(
self
.
options
[
'promise'
],
__name__
+
'.promise'
,
dict
(
self
.
promise_base_dict
=
dict
(
server_url
=
slap_connection
[
'server-url'
],
computer_id
=
slap_connection
[
'computer-id'
],
cert_file
=
slap_connection
.
get
(
'cert-file'
),
key_file
=
slap_connection
.
get
(
'key-file'
),
partition_id
=
slap_connection
[
'partition-id'
],
ssh_client
=
self
.
options
[
'sshclient-binary'
],
user
=
self
.
options
[
'user'
],
host
=
self
.
options
[
'host'
],
port
=
self
.
options
[
'port'
],
key
=
self
.
options
[
'key'
],
),
)
slaves
=
unjson
(
self
.
buildout
[
'slap-parameter'
][
'slave_instance_list'
])
known_hosts
=
KnownHostsFile
(
self
.
options
[
'known-hosts'
])
with
known_hosts
:
for
slave
in
slaves
:
path_list
.
extend
(
self
.
add_slave
(
slave
,
known_hosts
))
else
:
command
=
[
self
.
options
[
'rdiffbackup-binary'
]]
self
.
logger
.
info
(
"Server mode"
)
command
.
extend
([
'--restrict'
,
self
.
options
[
'path'
]])
command
.
append
(
'--server'
)
...
...
@@ -108,5 +160,6 @@ class Recipe(GenericBaseRecipe):
self
.
options
[
'wrapper'
],
'slapos.recipe.librecipe.execute.execute'
,
command
)
path_list
.
append
(
wrapper
)
return
[
wrapper
]
return
path_list
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