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DEV: Use docker links to set password environment variable in the hub.

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Also, yell at people if they use the default password.
This commit is contained in:
Scott Sanderson
2014-11-02 21:40:58 -05:00
parent eee5e5d2ed
commit b34a6d7f83
5 changed files with 31 additions and 21 deletions
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29
examples/postgres/README.md
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@@ -4,9 +4,9 @@ This example shows how you can connect Jupyterhub to a Postgres database
instead of the default SQLite backend.
### Running Postgres with Jupyterhub on the host.
0. Replace `ENV JPY_PSQL_PASSWORD arglebargle` with your own password in the
Dockerfile for `examples/postgres/db`. (Alternatively you can pass -e
`JPY_PSQL_PASSWORD=<password>` when you start the db container.)
0. Uncomment and replace `ENV JPY_PSQL_PASSWORD arglebargle` with your own
password in the Dockerfile for `examples/postgres/db`. (Alternatively, pass
-e `JPY_PSQL_PASSWORD=<password>` when you start the db container.)
1. `cd` to the root of your jupyterhub repo.
@@ -21,26 +21,27 @@ instead of the default SQLite backend.
4. Run jupyterhub with
`jupyterhub --db=postgresql://jupyterhub:<password>@localhost:5433/jupyterhub`.
### Running Postgres with Containerized Jupyterhub.
0. Replace `ENV JPY_PSQL_PASSWORD arglebargle` with your own password in the
Dockerfile for `examples/postgres/hub`. (Alternatively you can pass -e
`JPY_PSQL_PASSWORD=<password>` when you start the hub container.)
5. Log in as the user running jupyterhub on your host machine.
1. Do steps 0-2 in from the above section, ensuring that the values set/passed
### Running Postgres with Containerized Jupyterhub.
0. Do steps 0-2 in from the above section, ensuring that the values set/passed
for `JPY_PSQL_PASSWORD` match for the hub and db containers.
2. Build the hub image with `docker build -t jupyterhub-postgres-db
examples/postgres/db`. This may take a minute or two the first time it's run.
1. Build the hub image with `docker build -t jupyterhub-postgres-hub
examples/postgres/hub`. This may take a minute or two the first time it's
run.
3. Run the db image with `docker run -d --name=jpy-db
2. Run the db image with `docker run -d --name=jpy-db
jupyterhub-postgres`. Note that, unlike when connecting to a host machine
jupyterhub, we don't specify a port-forwarding scheme here, but we do need
to specify a name for the container.
4. Run the containerized hub with `docker run -it --link jpy-db:postgres
jupyterhub-postgres-hub`.
3. Run the containerized hub with `docker run -it --link jpy-db:postgres
jupyterhub-postgres-hub`. This instructs docker to run the hub container
with a link to the already-running db container, which will forward
environment and connection information from the DB to the hub.
5. Log in as one of the users defined in the `examples/postgres/hub/`
4. Log in as one of the users defined in the `examples/postgres/hub/`
Dockerfile. By default `rhea` is the server's admin user, `io` and
`ganymede` are non-admin users, and all users' passwords are their
usernames.