From 00a4664d736ac3ea0397db49b3de1d9a2441793d Mon Sep 17 00:00:00 2001
From: Virgil Dupras <hsoft@hardcoded.net>
Date: Sun, 22 Apr 2018 21:59:45 -0400
Subject: [PATCH] Add gentoo dist

and remove ${LOG}. It's a bit of a useless mechanism and, in fact a
hindrance. Why not just let the user redirect stdout?
---
 Makefile                       |  4 +++
 common/package.sh              | 14 ++++++++--
 common/prepare-vagrant-user.sh | 14 +++++-----
 common/ui.sh                   |  5 +---
 common/utils.sh                | 20 +++++++++++----
 conf/gentoo                    |  5 ++++
 gentoo/clean.sh                | 14 ++++++++++
 gentoo/install-packages.sh     | 41 +++++++++++++++++++++++++++++
 mk-gentoo.sh                   | 47 ++++++++++++++++++++++++++++++++++
 9 files changed, 146 insertions(+), 18 deletions(-)
 create mode 100644 conf/gentoo
 create mode 100644 gentoo/clean.sh
 create mode 100755 gentoo/install-packages.sh
 create mode 100755 mk-gentoo.sh

diff --git a/Makefile b/Makefile
index 6b36823..e05b596 100644
--- a/Makefile
+++ b/Makefile
@@ -46,6 +46,10 @@ $(FEDORA_BOXES):
 	@sudo chmod +rw $(PACKAGE)
 	@sudo chown ${USER}: $(PACKAGE)
 
+.PHONY: gentoo
+gentoo:
+	@sudo -E ./mk-gentoo.sh
+
 acceptance: CONTAINER = "vagrant-base-acceptance-$(ARCH)"
 acceptance: PACKAGE = "output/${TODAY}/vagrant-lxc-acceptance-$(ARCH).box"
 acceptance:
diff --git a/common/package.sh b/common/package.sh
index 16cf4c5..6eff6f1 100755
--- a/common/package.sh
+++ b/common/package.sh
@@ -3,6 +3,13 @@ set -e
 
 source common/ui.sh
 
+ROOTFS="/var/lib/lxc/${CONTAINER}/rootfs"
+WORKING_DIR="/tmp/${CONTAINER}"
+
+debug "Creating ${WORKING_DIR}"
+mkdir -p ${WORKING_DIR}
+mkdir -p $(dirname ${PACKAGE})
+
 # TODO: Create file with build date / time on container
 
 info "Packaging '${CONTAINER}' to '${PACKAGE}'..."
@@ -16,10 +23,10 @@ if [ -f ${WORKING_DIR}/rootfs.tar.gz ]; then
 fi
 
 log "Compressing container's rootfs"
-pushd  $(dirname ${ROOTFS}) &>>${LOG}
+pushd  $(dirname ${ROOTFS})
   tar --numeric-owner --anchored --exclude=./rootfs/dev/log -czf \
       ${WORKING_DIR}/rootfs.tar.gz ./rootfs/*
-popd &>>${LOG}
+popd
 
 # Prepare package contents
 log 'Preparing box package contents'
@@ -35,3 +42,6 @@ sed -i "s/<TODAY>/${NOW}/" ${WORKING_DIR}/metadata.json
 log 'Packaging box'
 TARBALL=$(readlink -f ${PACKAGE})
 (cd ${WORKING_DIR} && tar -czf $TARBALL ./*)
+
+chmod +rw ${PACKAGE}
+chown ${USER}: ${PACKAGE}
diff --git a/common/prepare-vagrant-user.sh b/common/prepare-vagrant-user.sh
index f45238a..af95d5a 100755
--- a/common/prepare-vagrant-user.sh
+++ b/common/prepare-vagrant-user.sh
@@ -3,7 +3,8 @@ set -e
 
 source common/ui.sh
 
-export VAGRANT_KEY="ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key"
+ROOTFS="/var/lib/lxc/${CONTAINER}/rootfs"
+VAGRANT_KEY="ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key"
 
 info "Preparing vagrant user..."
 
@@ -13,13 +14,13 @@ if $(grep -q 'vagrant' ${ROOTFS}/etc/shadow); then
 elif $(grep -q 'ubuntu' ${ROOTFS}/etc/shadow); then
   debug 'vagrant user does not exist, renaming ubuntu user...'
   mv ${ROOTFS}/home/{ubuntu,vagrant}
-  chroot ${ROOTFS} usermod -l vagrant -d /home/vagrant ubuntu &>> ${LOG}
-  chroot ${ROOTFS} groupmod -n vagrant ubuntu &>> ${LOG}
+  chroot ${ROOTFS} usermod -l vagrant -d /home/vagrant ubuntu
+  chroot ${ROOTFS} groupmod -n vagrant ubuntu
   echo -n 'vagrant:vagrant' | chroot ${ROOTFS} chpasswd
   log 'Renamed ubuntu user to vagrant and changed password.'
 elif [ ${DISTRIBUTION} = 'centos' -o ${DISTRIBUTION} = 'fedora' ]; then
   debug 'Creating vagrant user...'
-  chroot ${ROOTFS} useradd --create-home -s /bin/bash -u 1000 vagrant &>> ${LOG}
+  chroot ${ROOTFS} useradd --create-home -s /bin/bash -u 1000 vagrant
   echo -n 'vagrant:vagrant' | chroot ${ROOTFS} chpasswd
   sed -i 's/^Defaults\s\+requiretty/# Defaults requiretty/' $ROOTFS/etc/sudoers
   if [ ${RELEASE} -eq 6 ]; then
@@ -30,13 +31,12 @@ elif [ ${DISTRIBUTION} = 'centos' -o ${DISTRIBUTION} = 'fedora' ]; then
   fi
 else
   debug 'Creating vagrant user...'
-  chroot ${ROOTFS} useradd --create-home -s /bin/bash vagrant &>> ${LOG}
-  chroot ${ROOTFS} adduser vagrant sudo &>> ${LOG}
+  chroot ${ROOTFS} useradd --create-home -s /bin/bash vagrant
   echo -n 'vagrant:vagrant' | chroot ${ROOTFS} chpasswd
 fi
 
 # Configure SSH access
-if [ -d ${ROOTFS}/home/vagrant/.ssh ]; then
+if [ -d ${ROOTFS}/home/vagrant/.ssh/authorized_keys ]; then
   log 'Skipping vagrant SSH credentials configuration'
 else
   debug 'SSH key has not been set'
diff --git a/common/ui.sh b/common/ui.sh
index 244c1b0..9963d2c 100644
--- a/common/ui.sh
+++ b/common/ui.sh
@@ -7,19 +7,16 @@ export WARN_COLOR='\033[33;01m'
 
 log() {
   LOG_PREFIX="${DISTRIBUTION}-${RELEASE}"
-  echo "    [${LOG_PREFIX}] ${1}" >>${LOG}
-  echo "    [${LOG_PREFIX}] ${1}" >&2
+  echo "    [${LOG_PREFIX}] ${1}"
 }
 
 warn() {
   LOG_PREFIX="${DISTRIBUTION}-${RELEASE}"
-  echo "==> [${LOG_PREFIX}] [WARN] ${1}" >>${LOG}
   echo -e "${WARN_COLOR}==> [${LOG_PREFIX}] ${1}${NO_COLOR}"
 }
 
 info() {
   LOG_PREFIX="${DISTRIBUTION}-${RELEASE}"
-  echo "==> [${LOG_PREFIX}] [INFO] ${1}" >>${LOG}
   echo -e "${OK_COLOR}==> [${LOG_PREFIX}] ${1}${NO_COLOR}"
 }
 
diff --git a/common/utils.sh b/common/utils.sh
index ef25f46..9dd520a 100644
--- a/common/utils.sh
+++ b/common/utils.sh
@@ -3,21 +3,31 @@
 utils.lxc.attach() {
   cmd="$@"
   log "Running [${cmd}] inside '${CONTAINER}' container..."
-  (lxc-attach -n ${CONTAINER} -- $cmd) &>> ${LOG}
+  lxc-attach -n ${CONTAINER} -- $cmd
+}
+
+utils.lxc.pipetofile() {
+  lxc-attach -n ${CONTAINER} -- /bin/bash -c "tee $1 > /dev/null"
+}
+
+utils.lxc.runscript() {
+  log "Running $1 inside '${CONTAINER}'..."
+  cat $1 | utils.lxc.pipetofile /script.sh
+  utils.lxc.attach /bin/bash /script.sh
 }
 
 utils.lxc.start() {
-  lxc-start -d -n ${CONTAINER} &>> ${LOG} || true
+  lxc-start -d -n ${CONTAINER} || true
 }
 
 utils.lxc.stop() {
-  lxc-stop -n ${CONTAINER} &>> ${LOG} || true
+  lxc-stop -n ${CONTAINER} || true
 }
 
 utils.lxc.destroy() {
-  lxc-destroy -n ${CONTAINER} &>> ${LOG}
+  lxc-destroy -n ${CONTAINER}
 }
 
 utils.lxc.create() {
-  lxc-create -n ${CONTAINER} "$@" &>> ${LOG}
+  lxc-create -n ${CONTAINER} "$@"
 }
diff --git a/conf/gentoo b/conf/gentoo
new file mode 100644
index 0000000..f57e8cc
--- /dev/null
+++ b/conf/gentoo
@@ -0,0 +1,5 @@
+lxc.mount.auto = cgroup:mixed proc:mixed sys:mixed
+
+# Default console settings
+lxc.tty = 4
+lxc.pts = 1024
diff --git a/gentoo/clean.sh b/gentoo/clean.sh
new file mode 100644
index 0000000..1763a7c
--- /dev/null
+++ b/gentoo/clean.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+set -e
+source /etc/profile
+
+echo "Cleaning up"
+
+rm /script.sh
+
+echo 'Removing temporary files...'
+rm -rf /tmp/*
+
+echo 'cleaning up distfiles'
+rm -f /usr/portage/distfiles/*
+
diff --git a/gentoo/install-packages.sh b/gentoo/install-packages.sh
new file mode 100755
index 0000000..438ebb7
--- /dev/null
+++ b/gentoo/install-packages.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+set -e
+
+source /etc/profile
+
+echo 'Installing packages and upgrading'
+
+PACKAGES=(net-misc/curl wget man-db openssh ca-certificates sudo)
+
+echo "Installing additional packages: ${ADDPACKAGES}"
+PACKAGES+=" ${ADDPACKAGES}"
+
+ANSIBLE=${ANSIBLE:-0}
+if [[ $ANSIBLE = 1 ]]; then
+    PACKAGES+=' ansible'
+fi
+
+CHEF=${CHEF:-0}
+if [[ $CHEF = 1 ]]; then
+    echo "Chef installation isn't supported on Gentoo"
+    exit 1
+fi
+
+PUPPET=${PUPPET:-0}
+if [[ $PUPPET = 1 ]]; then
+    PACKAGES+=' puppet eix'
+fi
+
+SALT=${SALT:-0}
+if [[ $SALT = 1 ]]; then
+    PACKAGES+=' salt'
+fi
+
+# trying to set capabilities on an unprivileged container fails.
+echo "*/* -filecaps" > /etc/portage/package.use/vagrant_overrides
+
+emerge --sync
+emerge --noreplace ${PACKAGES[*]}
+emerge -uND @world
+
+rc-config add sshd default
diff --git a/mk-gentoo.sh b/mk-gentoo.sh
new file mode 100755
index 0000000..49642b0
--- /dev/null
+++ b/mk-gentoo.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+set -e
+
+source common/ui.sh
+source common/utils.sh
+
+if [ "$(id -u)" != "0" ]; then
+  echo "You should run this script as root (sudo)."
+  exit 1
+fi
+
+TODAY=$(date -u +"%Y-%m-%d")
+export DISTRIBUTION=gentoo
+export RELEASE=current
+export ARCH=$(uname -m | sed -e "s/68/38/" | sed -e "s/x86_64/amd64/")
+export CONTAINER="vagrant-base-${DISTRIBUTION}-${ARCH}"
+export PACKAGE="output/${TODAY}/${CONTAINER}.box"
+export NOW=$(date -u)
+
+echo '############################################'
+echo "# Beginning build at $(date)"
+
+if [ -f ${PACKAGE} ]; then
+  warn "The box '${PACKAGE}' already exists, skipping..."
+  echo
+  exit
+fi
+
+info "Building box to '${PACKAGE}'..."
+
+./common/download.sh
+utils.lxc.start
+
+SECS=15
+log "Sleeping for $SECS seconds..."
+sleep $SECS
+
+utils.lxc.runscript gentoo/install-packages.sh
+./common/prepare-vagrant-user.sh
+utils.lxc.runscript gentoo/clean.sh
+utils.lxc.stop
+
+./common/package.sh
+
+info "Finished building '${PACKAGE}'!"
+log "Run \`lxc-destroy -n ${CONTAINER}\` or \`make clean\` to remove the container that was created along the way"
+echo