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Jérome Perrin
slapos
Commits
83ee4421
Commit
83ee4421
authored
Sep 24, 2012
by
Marco Mariani
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create db and user in separate steps
parent
6974d9d6
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1
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1 changed file
with
30 additions
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19 deletions
+30
-19
slapos/recipe/postgres/__init__.py
slapos/recipe/postgres/__init__.py
+30
-19
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slapos/recipe/postgres/__init__.py
View file @
83ee4421
...
...
@@ -35,6 +35,7 @@ from zc.buildout import UserError
from
slapos.recipe.librecipe
import
GenericBaseRecipe
from
slapos.recipe.librecipe
import
filehash
class
Recipe
(
GenericBaseRecipe
):
def
_options
(
self
,
options
):
...
...
@@ -49,10 +50,12 @@ class Recipe(GenericBaseRecipe):
self
.
createCluster
()
self
.
createConfig
()
self
.
createDatabase
()
self
.
createSuperuser
()
self
.
createRunScript
()
return
[
os
.
path
.
join
(
pgdata
,
'postgresql.conf'
)
# XXX what to return here?
# os.path.join(pgdata, 'postgresql.conf')
]
...
...
@@ -98,19 +101,33 @@ class Recipe(GenericBaseRecipe):
# "local" is for Unix domain socket connections only
local all all ident
# IPv4 local connections:
host all all 127.0.0.1/32 md5
# IPv6 local connections:
host all all ::1/128 md5
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local replication slapuser4 ident
#host replication slapuser4 127.0.0.1/32 md5
#host replication slapuser4 ::1/128 md5
"""
))
def
createDatabase
(
self
):
self
.
runPostgresCommand
(
cmd
=
'CREATE DATABASE "%s"'
%
self
.
options
[
'dbname'
])
def
createSuperuser
(
self
):
"""
Creates a Postgres superuser - other than "slapuser#" for use by the application.
"""
password
=
'insecure'
enc_password
=
md5
.
md5
(
password
).
hexdigest
()
self
.
runPostgresCommand
(
cmd
=
"""CREATE USER "%s" PASSWORD '%s' SUPERUSER"""
%
(
self
.
options
[
'user'
],
enc_password
))
def
runPostgresCommand
(
self
,
cmd
):
"""
Executes a command in single-user mode, with no daemon running.
Multiple commands can be executed by providing newlines,
preceeded by backslash, between them.
See http://www.postgresql.org/docs/9.1/static/app-postgres.html
"""
pgdata
=
self
.
options
[
'pgdata-directory'
]
postgres_binary
=
os
.
path
.
join
(
self
.
options
[
'bin'
],
'postgres'
)
...
...
@@ -120,23 +137,17 @@ class Recipe(GenericBaseRecipe):
'-D'
,
pgdata
,
'postgres'
,
],
stdin
=
subprocess
.
PIPE
)
password
=
'insecure'
enc_password
=
md5
.
md5
(
password
).
hexdigest
()
# to execute multiple commands, all newlines (but the last) must be preceded by backslash.
# see http://www.postgresql.org/docs/9.1/static/app-postgres.html
sql
=
'
\
n
'
.
join
([
'CREATE DATABASE %s
\
\
\
n
'
%
self
.
options
[
'dbname'
],
"CREATE USER '%s' PASSWORD '%s' SUPERUSER'
\
n
"
%
(
self
.
options
[
'user'
],
enc_password
),
])
p
.
communicate
(
sql
)
p
.
communicate
(
cmd
+
'
\
n
'
)
except
subprocess
.
CalledProcessError
:
raise
UserError
(
'Could not create database %s'
%
pgdata
)
def
createRunScript
(
self
):
# 'exec' the command to control it from supervisor
"""
Creates a script that runs postgres in the foreground.
'exec' is used to allow easy control by supervisor.
"""
content
=
textwrap
.
dedent
(
"""
\
#!/bin/sh
exec %(bin)s/postgres
\
\
...
...
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