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Radoslav Bodó
rwm
Commits
015eb80b
Commit
015eb80b
authored
10 months ago
by
Radoslav Bodó
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scripts: postgresql backup cleanup
parent
6398a149
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3 changed files
scripts/backup_mysql.py
+1
-0
1 addition, 0 deletions
scripts/backup_mysql.py
scripts/backup_postgresql.py
+26
-19
26 additions, 19 deletions
scripts/backup_postgresql.py
scripts/restore_postgresql.sh
+7
-23
7 additions, 23 deletions
scripts/restore_postgresql.sh
with
34 additions
and
42 deletions
scripts/backup_mysql.py
+
1
−
0
View file @
015eb80b
...
@@ -94,6 +94,7 @@ def cleanup():
...
@@ -94,6 +94,7 @@ def cleanup():
return
os
.
unlink
(
ARCHIVE
)
return
os
.
unlink
(
ARCHIVE
)
# pylint: disable=duplicate-code
def
main
():
def
main
():
"""
main
"""
"""
main
"""
...
...
This diff is collapsed.
Click to expand it.
scripts/backup_postgresql.py
+
26
−
19
View file @
015eb80b
#!/usr/bin/env python3
#!/usr/bin/env python3
"""
rwm postgresql backup helper
"""
"""
rwm postgresql backup helper
"""
import
gzip
import
os
import
os
import
shutil
import
shutil
import
subprocess
import
subprocess
...
@@ -18,31 +17,23 @@ USERNAME = os.environ.get("PGUSER", "postgres")
...
@@ -18,31 +17,23 @@ USERNAME = os.environ.get("PGUSER", "postgres")
def
list_databases
():
def
list_databases
():
"""
list postgresql databases
"""
"""
list postgresql databases
"""
cmd
=
[
"
psql
"
,
"
-U
"
,
USERNAME
,
"
-h
"
,
"
127.0.0.1
"
,
"
-q
"
,
"
-A
"
,
"
-t
"
,
"
-c
"
,
"
SELECT datname FROM pg_database WHERE datistemplate = false;
"
]
cmd
=
[
"
su
"
,
"
-c
"
,
'
psql -q -A -t -c
"
SELECT datname FROM pg_database WHERE datistemplate = false;
"'
,
USERNAME
,
]
proc
=
subprocess
.
run
(
cmd
,
check
=
True
,
stdout
=
subprocess
.
PIPE
,
text
=
True
)
proc
=
subprocess
.
run
(
cmd
,
check
=
True
,
stdout
=
subprocess
.
PIPE
,
text
=
True
)
return
proc
.
stdout
.
splitlines
()
return
proc
.
stdout
.
splitlines
()
def
backup_database
(
database
):
def
backup_database
(
database
):
"""
backup single database and compress it
"""
"""
backup single database
"""
cmd
=
[
"
pg_dump
"
,
"
-U
"
,
USERNAME
,
"
-h
"
,
"
127.0.0.1
"
,
database
]
cmd
=
[
"
su
"
,
"
-c
"
,
f
"
pg_dump --clean --create
{
database
}
"
,
USERNAME
]
try
:
try
:
with
gzip
.
open
(
f
"
{
BACKUPDIR
}
/
{
database
}
.sql.gz
"
,
"
wb
"
)
as
fd
:
with
open
(
f
"
{
BACKUPDIR
}
/
{
database
}
.sql
"
,
"
wb
"
)
as
fd
:
with
subprocess
.
Popen
(
cmd
,
stdout
=
subprocess
.
PIPE
,
universal_newlines
=
True
)
as
proc
:
subprocess
.
run
(
cmd
,
stdout
=
fd
,
check
=
True
)
for
stdout_line
in
iter
(
proc
.
stdout
.
readline
,
''
):
fd
.
write
(
stdout_line
.
encode
(
'
utf-8
'
))
# Dumps roles
if
database
==
"
postgres
"
:
roles_cmd
=
[
"
pg_dumpall
"
,
"
-U
"
,
USERNAME
,
"
-h
"
,
"
127.0.0.1
"
,
"
--roles-only
"
]
with
subprocess
.
Popen
(
roles_cmd
,
stdout
=
subprocess
.
PIPE
,
universal_newlines
=
True
)
as
roles_proc
:
for
stdout_line
in
iter
(
roles_proc
.
stdout
.
readline
,
''
):
fd
.
write
(
stdout_line
.
encode
(
'
utf-8
'
))
except
subprocess
.
CalledProcessError
:
except
subprocess
.
CalledProcessError
:
print
(
f
"
ERROR: cannot dump
{
database
}
"
,
file
=
sys
.
stderr
)
print
(
f
"
ERROR: cannot dump
{
database
}
"
,
file
=
sys
.
stderr
)
return
1
return
1
...
@@ -50,6 +41,20 @@ def backup_database(database):
...
@@ -50,6 +41,20 @@ def backup_database(database):
return
0
return
0
def
backup_global_data
():
"""
backup global data
"""
try
:
cmd
=
[
"
su
"
,
"
-c
"
,
"
pg_dumpall --clean --globals-only
"
,
USERNAME
]
with
open
(
f
"
{
BACKUPDIR
}
/_globals.sql
"
,
"
wb
"
)
as
fd
:
subprocess
.
run
(
cmd
,
stdout
=
fd
,
check
=
True
)
except
subprocess
.
CalledProcessError
:
print
(
"
ERROR: cannot dump database global data
"
,
file
=
sys
.
stderr
)
return
1
return
0
def
create
():
def
create
():
"""
dump database to archive
"""
"""
dump database to archive
"""
...
@@ -63,6 +68,8 @@ def create():
...
@@ -63,6 +68,8 @@ def create():
databases
+=
1
databases
+=
1
errors
+=
backup_database
(
db
)
errors
+=
backup_database
(
db
)
errors
+=
backup_global_data
()
subprocess
.
run
([
"
tar
"
,
"
czf
"
,
ARCHIVE
,
BACKUPDIR
],
check
=
True
)
subprocess
.
run
([
"
tar
"
,
"
czf
"
,
ARCHIVE
,
BACKUPDIR
],
check
=
True
)
shutil
.
rmtree
(
BACKUPDIR
)
shutil
.
rmtree
(
BACKUPDIR
)
print
(
"
archive created:
"
)
print
(
"
archive created:
"
)
...
...
This diff is collapsed.
Click to expand it.
scripts/restore_postgresql.sh
+
7
−
23
View file @
015eb80b
#!/bin/bash
#!/bin/bash
set
-ex
if
[
"$#"
-ne
1
]
;
then
umask
077
echo
"Usage:
$0
<tar_file>"
exit
1
fi
tar_file
=
"
$1
"
tar_file
=
"
$1
"
if
[
!
-f
"
$tar_file
"
]
;
then
echo
"Error: '
$tar_file
' does not exist."
exit
1
fi
temp_dir
=
$(
mktemp
-d
)
temp_dir
=
$(
mktemp
-d
)
tar
xzf
"
$tar_file
"
-C
"
$temp_dir
"
chown
-R
postgres
"
${
temp_dir
}
"
tar
-xzf
"
$tar_file
"
-C
"
$temp_dir
"
find
"
$temp_dir
"
-type
f
-name
'*.sql'
|
while
read
-r
dump_file
;
do
su
-c
"psql < '
$dump_file
'"
postgres
sql_files
=
$(
find
"
$temp_dir
"
-type
f
-name
'*.sql.gz'
)
for
dump_file
in
$sql_files
;
do
db_name
=
$(
basename
"
$dump_file
"
.sql.gz
)
createdb
"
$db_name
"
gunzip
-c
"
$dump_file
"
| psql
-q
-d
"
$db_name
"
done
done
rm
-rf
"
$temp_dir
"
rm
-rf
"
$temp_dir
"
\ No newline at end of file
echo
"Databases restored."
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Click to expand it.
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