Initial content

Change-Id: I330ad2e8b08a4743e752b8fe9d1ccf9fa1215f8a
Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>

4 files changed, 179 insertions, 0 deletions

diff --git a/docker/firstrun.sh b/docker/firstrun.sh
new file mode 100644
index 0000000..2b70a92
--- /dev/null
+++ b/docker/firstrun.sh
@@ -0,0 +1,37 @@
+#!/bin/bash -x
+
+# fail at first error !
+set -e
+
+# redirect outputs to log
+LOGFILE=/var/log/firstrun.log
+exec >$LOGFILE 2>&1
+
+echo $(date +"%Y%m%d %H:%M:%S") Starting firstrun script
+
+# source same file with .conf extension
+. ${0%.sh}.conf
+
+# run the scripts found in /root/firstrun.d
+
+for x in /root/firstrun.d/*; do
+	case $(basename $x) in
+		[0-9][0-9]_*)
+		echo "--------------------- start script $x ---------------------"
+		. $x 
+		echo "--------------------- end of script $x ---------------------"
+		;;
+	*)
+		;;
+	esac
+	    
+done
+
+######################### cleanup #####################
+
+# remove firstrun
+rm -rf /root/firstrun.*
+rm -rf /etc/systemd/system/multi-user.target.wants/firstrun.*
+systemctl daemon-reload
+
+rm -f $LOGFILE
diff --git a/docker/image.conf b/docker/image.conf
new file mode 100644
index 0000000..27e173f
--- /dev/null
+++ b/docker/image.conf
@@ -0,0 +1,19 @@
+FIRSTRUN=no
+
+TIMEZONE=Europe/Paris
+
+XDT_DIR=/xdt
+
+DEVUSER=devel
+DEVUSER_UID=1664
+DEVUSER_PASSWORD=$DEVUSER
+DEVUSER_HOME=/home/$DEVUSER
+
+XDT_META=$XDT_DIR/meta
+XDT_DOWNLOADCACHE=$XDT_DIR/downloads
+XDT_SSTATECACHE=$XDT_DIR/sstate-cache
+XDT_CCACHE=$XDT_DIR/ccache
+XDT_BUILD=$XDT_DIR/build
+XDT_WORKSPACE=$XDT_DIR/workspace
+XDT_SOURCES=$XDT_DIR/sources
+XDT_SDK=$XDT_DIR/sdk
diff --git a/docker/setup_image.sh b/docker/setup_image.sh
new file mode 100755
index 0000000..77a35da
--- /dev/null
+++ b/docker/setup_image.sh
@@ -0,0 +1,104 @@
+#!/bin/bash -x
+
+### this script is called when building the docker image: it's executing in a temp container
+
+echo "------------------------ Starting $(basename $0) -----------------------"
+
+function debug() {
+	set +x
+	echo "-------------------------"
+	echo "Command failed."
+	echo "Running sleep for 1 day. To proceed:"
+	echo "* run 'killall sleep' to continue"
+	echo "* run 'killall -9 sleep' to abort the build"
+	sig=0
+	sleep 86400 || sig=$?
+	# if killed -9, then abort
+	[[ $sig == 137 ]] && exit 1 # abort
+	set -x
+	return 0 # continue
+}
+trap debug ERR # on error, run a sleep tp debug container
+
+# get the INSTALL dir (the one where we were launched)
+INSTDIR=$(cd $(dirname $0)/.. && pwd -P)
+echo "Detected container install dir = $INSTDIR"
+
+################################## variables #################################
+
+# source variables in conf file
+. $INSTDIR/docker/image.conf
+
+################################## install docker endpoint #####################
+
+# install the entrypoint script in /usr/bin
+install --mode=755 $INSTDIR/docker/wait_for_net.sh /usr/bin/
+
+################################## install first-run service ###################
+# all operations requiring runnning daemons (inc. systemd) must be run at first
+# container instanciation
+
+if [[ "$FIRSTRUN" == "yes" ]]; then
+	install --mode=755 $INSTDIR/docker/firstrun.sh      /root/firstrun.sh
+	install --mode=644 $INSTDIR/docker/image.conf       /root/firstrun.conf
+	[[ -d $INSTDIR/firstrun.d ]] && cp -a $INSTDIR/firstrun.d /root/
+	mkdir -p /etc/systemd/system/multi-user.target.wants/
+	cat <<EOF >/etc/systemd/system/multi-user.target.wants/firstrun.service
+[Unit]
+Description=Firstrun service
+After=network.target 
+
+[Service]
+Type=oneshot
+ExecStart=-/bin/bash -c /root/firstrun.sh
+TimeoutSec=0
+StandardInput=null
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
+EOF
+fi
+
+# helper func to install a firstrun hook
+function firstrun_add() {
+	script=$1
+	level=${2:-50}
+	name=${3:-$(basename $script)}
+
+	mkdir -p /root/firstrun.d
+	cp $script /root/firstrun.d/${level}_$name
+}
+
+################################## adjust system timezone ############################
+
+ln -sf ../usr/share/zoneinfo/$TIMEZONE /etc/localtime
+
+################################## run other scripts in turn ##############
+
+for x in $INSTDIR/setup.d/*; do
+	case $(basename $x) in
+		[0-9][0-9]_*)
+		echo "--------------------- start script $x ---------------------"
+		. $x
+		echo "--------------------- end of script $x ---------------------"
+		;;
+	*)
+		;;
+	esac
+done
+
+############################### cleanup ###################################
+
+cd /
+apt-get clean # clean apt caches
+rm -rf /var/lib/apt/lists/*
+rm -rf $INSTDIR # yes, I can auto-terminate myself !
+
+# cleanup /tmp without removing the dir
+for x in $(find /tmp -mindepth 1); do 
+	rm -rf $x || true
+done
+
+echo "------------------------ $(basename $0) finished -----------------------"
+
diff --git a/docker/wait_for_net.sh b/docker/wait_for_net.sh
new file mode 100755
index 0000000..354e76a
--- /dev/null
+++ b/docker/wait_for_net.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+### this script is used as entrypoint of the docker container to wait for network to be up ###
+
+IFACE="veth0 eth0"
+
+function wait_net() {
+	for i in $IFACE; do
+		[[ "$(cat /sys/class/net/$i/operstate 2>/dev/null)" == "up" ]] && return 1
+	done
+	return 0
+}
+
+while wait_net; do
+	sleep 1
+done
+
+[[ $# > 0 ]] && exec "$@"
+exec /bin/bash -l