From e1a65ff94b74bc81baf08905613db8ea0fbdb8e2 Mon Sep 17 00:00:00 2001
From: Stefano Alberto Russo <stefano.russo@gmail.com>
Date: Tue, 28 Sep 2021 21:51:05 +0200
Subject: [PATCH] Added the entrypoint base container.
---
base/build.sh | 3 +-
base/entrypoint/Dockerfile | 25 +++++++
base/entrypoint/build.sh | 2 +
base/entrypoint/entrypoint.sh | 124 ++++++++++++++++++++++++++++++++++
base/entrypoint/pull.sh | 11 +++
base/entrypoint/push.sh | 2 +
base/entrypoint/tag.sh | 2 +
7 files changed, 168 insertions(+), 1 deletion(-)
create mode 100644 base/entrypoint/Dockerfile
create mode 100755 base/entrypoint/build.sh
create mode 100644 base/entrypoint/entrypoint.sh
create mode 100755 base/entrypoint/pull.sh
create mode 100755 base/entrypoint/push.sh
create mode 100755 base/entrypoint/tag.sh
diff --git a/base/build.sh b/base/build.sh
index b875725..5e1d680 100755
--- a/base/build.sh
+++ b/base/build.sh
@@ -5,6 +5,7 @@ set -e
cd system && ./build.sh && cd ..
cd extras && ./build.sh && cd ..
cd astro && ./build.sh && cd ..
+cd entrypoint && ./build.sh && cd ..
# Use the astro image as lofar base
-docker tag lofarit_base_astro lofarit_base
+docker tag lofarit_base_entrypoint lofarit_base
diff --git a/base/entrypoint/Dockerfile b/base/entrypoint/Dockerfile
new file mode 100644
index 0000000..e43f636
--- /dev/null
+++ b/base/entrypoint/Dockerfile
@@ -0,0 +1,25 @@
+FROM lofarit_base_astro:latest
+MAINTAINER Giuliano Taffoni <giuliano.taffoni@inaf.it>
+ENV CONTAINER_NAME='lofarit_base_entrypoint'
+
+#=============================
+# Switch to root for install
+#=============================
+USER root
+
+
+# Copy entrypoint
+COPY entrypoint.sh /
+
+# Give right permissions
+RUN chmod 755 /entrypoint.sh
+
+# Set entrypoint
+ENTRYPOINT ["/entrypoint.sh"]
+
+#=============================
+# Switch to metauser
+#=============================
+
+USER metauser
+
diff --git a/base/entrypoint/build.sh b/base/entrypoint/build.sh
new file mode 100755
index 0000000..590dd82
--- /dev/null
+++ b/base/entrypoint/build.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+docker build ./ -t lofarit_base_entrypoint
diff --git a/base/entrypoint/entrypoint.sh b/base/entrypoint/entrypoint.sh
new file mode 100644
index 0000000..1196598
--- /dev/null
+++ b/base/entrypoint/entrypoint.sh
@@ -0,0 +1,124 @@
+#!/bin/bash
+
+# Exit on any error. More complex stuff could be done in future
+# (see https://stackoverflow.com/questions/4381618/exit-a-script-on-error)
+set -e
+
+
+if [ "x$SAFE_MODE" == "xTrue" ]; then
+
+ echo ""
+ echo "[INFO] Not executing entrypoint as we are in safe mode, just opening a Bash shell."
+ exec /bin/bash
+
+else
+
+ echo ""
+ echo "[INFO] Executing entrypoint..."
+
+ if [ "x$GUI" == "xTrue" ]; then
+ if [ "x$BASE_PORT" == "x" ]; then
+ echo "[INFO] No task base port set, will set noVNC port 8590 and VNC port 5900 with desktop id \"0\""
+ else
+ echo "[INFO] Task base port set, will set noVNC port $BASE_PORT and noVNC port $(($BASE_PORT+1)) with desktop id \"$(($BASE_PORT-5900+1))\""
+ fi
+ fi
+
+ #---------------------
+ # Setup home
+ #---------------------
+
+ if [ -f "/home/metauser/.initialized" ]; then
+ :
+ else
+ echo "[INFO] Setting up home"
+ mkdir -p /home/metauser
+
+ # Copy over vanilla home contents
+ for x in /metauser_home_vanilla/* /metauser_home_vanilla/.[!.]* /metauser_home_vanilla/..?*; do
+ if [ -e "$x" ]; then cp -a "$x" /home/metauser/; fi
+ done
+
+ # Mark as initialized
+ touch /home/metauser/.initialized
+ fi
+
+
+ #---------------------
+ # Save env
+ #---------------------
+ echo "[INFO] Dumping env"
+
+ # Save env vars for later usage (e.g. ssh)
+
+ env | \
+ while read env_var; do
+ if [[ $env_var == HOME\=* ]]; then
+ : # Skip HOME var
+ elif [[ $env_var == PWD\=* ]]; then
+ : # Skip PWD var
+ else
+ echo "export $env_var" >> /tmp/env.sh
+ fi
+ done
+
+ #---------------------
+ # VNC Password
+ #---------------------
+ if [ "x$GUI" == "xTrue" ]; then
+ if [ "x$AUTH_PASS" != "x" ]; then
+ echo "[INFO] Setting up VNC password..."
+ mkdir -p /home/metauser/.vnc
+ /opt/tigervnc/usr/bin/vncpasswd -f <<< $AUTH_PASS > /home/metauser/.vnc/passwd
+ chmod 600 /home/metauser/.vnc/passwd
+ export VNC_AUTH=True
+ else
+ echo "[INFO] Not setting up any VNC password"
+
+ fi
+ fi
+
+ echo "[INFO] Creating /tmp/metauserhome to be used as metauser home"
+ mkdir /tmp/metauserhome
+
+ echo "[INFO] Initializing /tmp/metauserhome with configuration files"
+ cp -aT /metauser_home_vanilla /tmp/metauserhome
+
+ echo "[INFO] Moving to /home/metauser and setting as home"
+ cd /home/metauser
+ export HOME=/home/metauser
+
+ echo "[INFO] Setting new prompt @$CONTAINER_NAME container"
+ echo 'export PS1="${debian_chroot:+($debian_chroot)}\u@$CONTAINER_NAME@\h:\w\$ "' >> /tmp/metauserhome/.bashrc
+
+ echo "[INFO] Sourcing env in /opt/lofar/init.sh..."
+ source /opt/lofar/init.sh
+
+ # Set entrypoint command
+ if [ "x$@" == "x" ]; then
+ COMMAND="/bin/bash"
+ else
+ COMMAND="$@"
+ fi
+
+
+ # Start!
+ echo -n "[INFO] Will execute entrypoint command: "
+ echo $COMMAND
+ echo ""
+ echo "=============================================================="
+ echo ""
+ echo " Welcome to the LOFAR-IT $CONTAINER_NAME container!"
+ echo ""
+ echo "=============================================================="
+ echo ""
+ echo "You are now in /home/metauser with write access as user \"$(whoami)\"."
+ echo ""
+ echo "Remember that contents inside this container, unless stored"
+ echo "on a persistent volume mounted from you host machine, will"
+ echo "be wiped out when exiting the container."
+ echo ""
+
+ exec $COMMAND
+
+fi
diff --git a/base/entrypoint/pull.sh b/base/entrypoint/pull.sh
new file mode 100755
index 0000000..4eb8d22
--- /dev/null
+++ b/base/entrypoint/pull.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+docker pull git.ia2.inaf.it:5050/lofarit/containers/lofarit_base_entrypoint
+
+if [ $? -eq 0 ]
+then
+ echo ""
+ echo "Pulled lofarit/containers/lofarit_base_entrypoint. To use it for building other images in this repository, retag it as:"
+ echo " $ docker tag git.ia2.inaf.it:5050/lofarit/containers/lofarit_base_entrypoint lofarit_base_entrypoint"
+ echo ""
+fi
+
diff --git a/base/entrypoint/push.sh b/base/entrypoint/push.sh
new file mode 100755
index 0000000..33a6636
--- /dev/null
+++ b/base/entrypoint/push.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+docker push git.ia2.inaf.it:5050/lofarit/containers/lofarit_base_entrypoint
diff --git a/base/entrypoint/tag.sh b/base/entrypoint/tag.sh
new file mode 100755
index 0000000..42fe214
--- /dev/null
+++ b/base/entrypoint/tag.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+docker tag lofarit_base_entrypoint git.ia2.inaf.it:5050/lofarit/containers/lofarit_base_entrypoint
--
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