From 7e24a0c751198f8d174487fac402a9778c590bc2 Mon Sep 17 00:00:00 2001
From: William Petit <wpetit@cadoles.com>
Date: Mon, 7 Nov 2016 19:38:54 +0100
Subject: [PATCH] Initial commit

---
 .gitignore                           |  1 +
 containers/hub/Dockerfile            | 40 ++++++++++++++++++++++++++++
 containers/hub/create-hub-student.sh | 26 ++++++++++++++++++
 docker-compose.yml                   | 18 +++++++++++++
 4 files changed, 85 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 containers/hub/Dockerfile
 create mode 100644 containers/hub/create-hub-student.sh
 create mode 100644 docker-compose.yml

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3af0ccb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/data
diff --git a/containers/hub/Dockerfile b/containers/hub/Dockerfile
new file mode 100644
index 0000000..1dd576c
--- /dev/null
+++ b/containers/hub/Dockerfile
@@ -0,0 +1,40 @@
+FROM jupyterhub/jupyterhub
+
+ARG HTTP_PROXY=
+ARG HTTPS_PROXY=
+ARG http_proxy=
+ARG https_proxy=
+
+ARG TUTOR_USERNAME=tutor
+ARG TUTOR_PASSWORD=tutor
+
+RUN apt-get update -y \
+  && apt-get install -y curl ca-certificates \
+  && curl -sL https://deb.nodesource.com/setup_6.x | bash - \
+  && apt-get install -y nodejs libzmq3-dev mcrypt
+
+RUN pip install jupyter
+
+RUN npm install -g ijavascript \
+  && ijs --ijs-install=global
+
+RUN useradd -m $TUTOR_USERNAME \
+  && echo "$TUTOR_USERNAME:$TUTOR_PASSWORD" | chpasswd
+
+RUN mkdir -p /home/$TUTOR_USERNAME/lessons \
+  && mkdir -p /home/$TUTOR_USERNAME/students \
+  && chown -R $TUTOR_USERNAME: /home/$TUTOR_USERNAME
+
+RUN echo "TUTOR_USERNAME=$TUTOR_USERNAME" > /srv/jupyterhub/tutor.conf
+
+ADD create-hub-student.sh /usr/local/bin/create-hub-student
+RUN chmod +x /usr/local/bin/create-hub-student
+
+RUN mkdir -p /etc/jupyterhub \
+  && cd /etc/jupyterhub \
+  && jupyterhub --generate-config \
+  && sed -i "s/^#c.Authenticator.admin_users = set()$/c.Authenticator.admin_users = set(['$TUTOR_USERNAME'])/" jupyterhub_config.py \
+  && sed -i "s/^#c.LocalAuthenticator.create_system_users = False$/c.LocalAuthenticator.create_system_users = True/" jupyterhub_config.py \
+  && sed -i "s/^#c.LocalAuthenticator.add_user_cmd = \[\]$/c.LocalAuthenticator.add_user_cmd = ['\/usr\/local\/bin\/create-hub-student']/" jupyterhub_config.py
+
+CMD ["jupyterhub", "--config", "/etc/jupyterhub/jupyterhub_config.py"]
diff --git a/containers/hub/create-hub-student.sh b/containers/hub/create-hub-student.sh
new file mode 100644
index 0000000..3e3869d
--- /dev/null
+++ b/containers/hub/create-hub-student.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+set -e
+
+USERNAME=$1
+
+source /srv/jupyterhub/tutor.conf
+
+if [ -z "$USERNAME" ]; then
+  echo "You must provide a valid username as first argument !" 1>&2
+  exit 1
+fi
+
+echo -e "$USERNAME\n$USERNAME\n" | adduser -q --gecos "" $USERNAME
+
+# Expose student work to tutor
+mkdir -p /home/$TUTOR_USERNAME/students
+ln -s /home/$USERNAME /home/$TUTOR_USERNAME/students/$USERNAME
+chown $TUTOR_USERNAME: /home/$TUTOR_USERNAME/students/$USERNAME
+
+#Expose tutor's lessons to student
+mkdir -p /home/$TUTOR_USERNAME/lessons
+chown $TUTOR_USERNAME: /home/$TUTOR_USERNAME/lessons
+ln -s /home/$TUTOR_USERNAME/lessons /home/$USERNAME/lessons
+
+chown $USERNAME: /home/$USERNAME
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..38a91d2
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,18 @@
+version: "2"
+services:
+  hub:
+    build:
+      context: containers/hub
+      dockerfile: Dockerfile
+      args:
+        - HTTP_PROXY=${HTTP_PROXY}
+        - HTTPS_PROXY=${HTTPS_PROXY}
+        - http_proxy=${http_proxy}
+        - https_proxy=${https_proxy}
+        - TUTOR_USERNAME=tutor
+        - TUTOR_PASSWORD=tutor
+    ports:
+      - 8000:8000
+    volumes:
+      - ./data/lessons:/home/tutor/lessons
+      - ./data/students:/home/tutor/students