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Gary Ruben
remote_tree_to_local_tars
Commits
1b239383
Commit
1b239383
authored
4 years ago
by
Gary Ruben (Monash University)
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Heavy rewrite to use Fabric's context managers as intended, but requiring a bugfix.
parent
4ebbc3c3
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1
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1 changed file
md5_to_vault.py
+29
-16
29 additions, 16 deletions
md5_to_vault.py
with
29 additions
and
16 deletions
md5_to_vault.py
+
29
−
16
View file @
1b239383
...
...
@@ -37,9 +37,21 @@ import pprint
import
time
import
click
import
textwrap
from
shlex
import
quote
from
fabric
import
Connection
def
escape_path
(
path
):
"""
Explicitly escape parentheses. This is required to work around a bug in Fabric
'
s
Invoke module. See my question on Stackoverflow:
https://stackoverflow.com/q/63225018/607587
The recommended workaround, until Fabric fixes the bug, is to just
"
manually escape
the parentheses
"
"""
escaped_path
=
path
.
replace
(
'
(
'
,
'
\(
'
).
replace
(
'
)
'
,
'
\)
'
)
return
escaped_path
@dataclass
class
Node
:
"""
A directory tree node
"""
...
...
@@ -83,11 +95,10 @@ def send_checksum(node, remote_login, src_path):
"""
# Check if there are any files in the node
with
Connection
(
remote_login
)
as
c
:
files
=
c
.
run
(
rf
"
cd
{
node
.
src
}
; find -maxdepth 1 -type f -printf
'
%f\n
'"
,
echo
=
True
)
files
=
files
.
stdout
.
strip
()
with
c
.
cd
(
escape_path
(
node
.
src
)):
result
=
c
.
run
(
r
"
nice find -maxdepth 1 -type f -printf
'
%f\n
'"
,
echo
=
True
)
files
=
result
.
stdout
.
strip
()
node
.
count
=
len
(
files
.
splitlines
())
print
(
f
"
Node:
{
node
.
src
}
, file count:
{
node
.
count
}
"
)
...
...
@@ -101,16 +112,18 @@ def send_checksum(node, remote_login, src_path):
else
:
filename
=
node
.
src
.
replace
(
src_path
+
'
/
'
,
''
).
replace
(
'
/
'
,
'
_
'
)
output
=
subprocess
.
run
(
f
"
ssh
{
remote_login
}
'
cd
{
node
.
src
}
; nice md5sum *
'"
f
"
| cat >
{
node
.
dest
}
/
{
filename
}
.md5
"
,
shell
=
True
,
check
=
True
)
print
(
"
stdout:
"
,
output
.
stdout
)
print
(
"
stderr:
"
,
output
.
stderr
)
with
Connection
(
remote_login
)
as
c
:
with
c
.
cd
(
escape_path
(
node
.
src
)):
# checksum all files including hidden files
result
=
c
.
run
(
"
nice md5sum {*,.[^.],.??*}
"
,
echo
=
True
)
md5s
=
result
.
stdout
md5_filename
=
pathlib
.
Path
(
node
.
dest
)
/
(
filename
+
'
.md5
'
)
with
open
(
md5_filename
,
'
w
'
)
as
f
:
f
.
write
(
md5s
)
print
(
f
"
Checksummed
{
node
.
count
}
files
{
node
.
src
}
->
{
md5_filename
}
"
)
# os.chmod(f"{node.dest}/{filename}.md5", 0o550)
print
(
f
"
Checksummed
{
node
.
count
}
files
{
node
.
src
}
->
{
node
.
dest
}
"
)
node
.
processed
=
True
...
...
@@ -155,7 +168,7 @@ def main(
flag.
"""
assert
5
<=
len
(
experiment_name
)
<=
6
assert
4
<=
len
(
experiment_name
)
<=
6
if
pickle_filename
is
None
:
pickle_filename
=
experiment_name
+
"
md5_state.pickle
"
...
...
@@ -224,7 +237,7 @@ def main(
else
:
# Get the directory tree from the remote server as a list.
with
Connection
(
remote_login
)
as
c
:
result
=
c
.
run
(
f
"
find
{
src_path
}
-type d
"
)
result
=
c
.
run
(
f
"
nice
find
{
quote
(
src_path
)
}
-type d
"
)
remote_dirs
=
result
.
stdout
.
strip
().
splitlines
()
# Create a tree data structure that represents both source and
...
...
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