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AlekSIS®
Official
AlekSIS-Core
Merge requests
!539
[Docker] Rewrite startup script t oallow scaling and be modular
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Merged
[Docker] Rewrite startup script t oallow scaling and be modular
allow-scaling
into
master
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0
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5
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4
Changes
1
Merged
Tom Teichler
requested to merge
allow-scaling
into
master
4 years ago
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master
version 4
53d0f725
4 years ago
version 3
8290523b
4 years ago
version 2
0c8fd987
4 years ago
version 1
0c8fd987
4 years ago
master (base)
and
latest version
latest version
1fc14331
5 commits,
4 years ago
version 4
53d0f725
4 commits,
4 years ago
version 3
8290523b
2 commits,
4 years ago
version 2
0c8fd987
1 commit,
4 years ago
version 1
0c8fd987
2 commits,
4 years ago
1 file
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docker-startup.sh
+
96
−
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#!/bin/bash
#!/bin/sh
#-
# Startup/entrypoint script for deployments based on Docker, vanilla or K8s
#
# Designed to be used in Kubernetes in a way such that this container is used
# in four places:
#
# 1. The app pod(s), setting PREPARE = 0
# 2. The celery-worker pod(s), setting PREPARE = 0 and RUN_MODE = celery-worker
# 3. One celery-beat pod, setting PREPARE = 0 and RUN_MODE = celery-beat
# 4. A post-deploy job, setting RUN_MODE = prepare
#
# To run as stand-alone Docker container, bundling all components, set
# ALEKSIS_dev__uwsgi__celery = true.
# Run mode to start container in
#
# uwsgi - application server
# celery-$foo - celery commands (e.g. worker or beat)
# * - Anything else to run arguments verbatim
RUN_MODE
=
${
RUN_MODE
:-
uwsgi
}
# HTTP port to let uWSGI bind to
HTTP_PORT
=
${
HTTP_PORT
:-
8000
}
if
[[
-z
$ALEKSIS_secret_key
]]
;
then
if
[[
!
-e
/var/lib/aleksis/secret_key
]]
;
then
touch
/var/lib/aleksis/secret_key
;
chmod
600 /var/lib/aleksis/secret_key
LC_ALL
=
C
tr
-dc
'A-Za-z0-9!"#$%&'
\'
'()*+,-./:;<=>?@[\]^_`{|}~'
</dev/urandom |
head
-c
64
>
/var/lib/aleksis/secret_key
fi
ALEKSIS_secret_key
=
$(
</var/lib/aleksis/secret_key
)
fi
# Run preparation steps before real command
PREPARE
=
${
PREPARE
:-
1
}
echo
-n
"Waiting for database."
while
!
aleksis-admin dbshell
--
-c
"SELECT 1"
>
/dev/null 2>&1
;
do
sleep
0.5
echo
-n
.
done
echo
wait_migrations
()
{
# Wait for migrations to be applied from elsewhere, e.g. a K8s job
echo
-n
"Waiting for migrations to appear"
until
aleksis-admin migrate
--check
>
/dev/null 2>&1
;
do
sleep
0.5
echo
-n
.
done
echo
}
aleksis-admin compilescss
aleksis-admin collectstatic
--no-input
--clear
wait_database
()
{
# Wait for database to be reachable
echo
-n
"Waiting for database."
until
aleksis-admin dbshell
--
-c
"SELECT 1"
>
/dev/null 2>&1
;
do
sleep
0.5
echo
-n
.
done
echo
}
case
"
$RUN_MODE
"
in
uwsgi
)
aleksis-admin migrate
aleksis-admin createinitialrevisions
prepare_static
()
{
# Prepare static files; should only be run in app container or job
aleksis-admin compilescss
aleksis-admin collectstatic
--no-input
--clear
exec
aleksis-admin runuwsgi
--
--http-socket
=
:
$HTTP_PORT
;;
celery-worker
)
}
prepare_database
()
{
# Migrate database; should only be run in app container or job
aleksis-admin migrate
aleksis-admin createinitialrevisions
exec
celery
-A
aleksis.core worker
}
if
[
-z
"
$ALEKSIS_secret_key
"
]
;
then
# Use a random session secret key if none was provided
# In K8s, should be provided from a K8s secret
if
[
!
-e
/var/lib/aleksis/secret_key
]
;
then
touch
/var/lib/aleksis/secret_key
chmod
600 /var/lib/aleksis/secret_key
LC_ALL
=
C
tr
-dc
'A-Za-z0-9!"#$%&'
\'
'()*+,-./:;<=>?@[\]^_`{|}~'
</dev/urandom |
head
-c
64
>
/var/lib/aleksis/secret_key
fi
ALEKSIS_secret_key
=
$(
cat
/var/lib/aleksis/secret_key
)
fi
# Wait for database to be reachable under all conditions
wait_database
case
"
$RUN_MODE
"
in
uwsgi
)
# uWSGI app server mode
if
[
$PREPARE
=
1
]
;
then
# Responsible for running migratiosn and preparing staticfiles
prepare_database
prepare_static
else
# Wait for migrations to be applied elsewhere
wait_migrations
fi
exec
aleksis-admin runuwsgi
--
--http-socket
=
:
$HTTP_PORT
;;
celery-beat
)
aleksis-admin migrate
exec
celery
-A
aleksis.core beat
celery-
*
)
# Celery command mode
if
[
$PREPARE
=
1
]
;
then
# Responsible for running migrations
prepare_database
else
# Wait for migrations to be applied elsewhere
wait_migrations
fi
exec
celery
-A
aleksis.core
${
RUN_MODE
#celery-
}
;;
prepare
)
# Preparation only mode
prepare_database
prepare_static
;;
*
)
*
)
# Run arguments as command verbatim
exec
"
$@
"
;;
esac
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