Improve logging and messages

The getopts framework just sucks for this, so do it manually.

buildiso.sh

@@ -32,23 +32,33 @@ show_help() {
     echo -e "   -k: Preserve live-build config."
 }
 
-while getopts "h?o:u:ak" opt; do
-    case "$opt" in
-        h|\?)
+while [ $# -gt 0 ]; do
+    case "${1}" in
+        -h|\?)
             show_help
             exit 0
         ;;
-        o)
-            isofilename=$OPTARG
+        -o)
+            isofilename="${2}"
+            shift 2
         ;;
-        u)
-            deployusername=$OPTARG
+        -u)
+            deployusername="${2}"
+            shift 2
         ;;
-        a)
+        -a)
             preserve_artifacts='y'
+            shift
         ;;
-        k)
+        -k)
             preserve_livebuild='y'
+            shift
+        ;;
+        *)
+            echo "Invalid option: ${1}"
+            echo
+            show_help
+            exit 1
         ;;
     esac
 done
@@ -57,8 +67,12 @@ PACKAGE_LIST_MAIN="live-tools linux-image-amd64 mdadm lvm2 parted gdisk debootst
 PACKAGE_LIST_NONFREE="firmware-bnx2 firmware-bnx2x"
 
 mkdir -p artifacts/lb
-pushd artifacts/lb
+pushd artifacts/lb &>/dev/null
 
+echo "Pre-cleaning live-build environment..."
+sudo lb clean
+
+echo "Initializing config..."
 # Initialize the live-build config
 lb config --distribution buster --architectures amd64 --archive-areas "main contrib non-free" --apt-recommends false
 
@@ -123,6 +137,7 @@ sed -i "s/XXDATEXX/$(date)/g" config/includes.chroot/install.sh
 sed -i "s/XXDEPLOYUSERXX/${deployusername}/g" config/includes.chroot/install.sh
 
 # Build the live image
+echo "Building live image..."
 sudo lb build
 
 # Move the ISO image out
@@ -130,13 +145,18 @@ cp live-image-amd64.hybrid.iso ../../${isofilename}
 
 # Clean up the artifacts
 if [[ -z ${preserve_artifacts} ]]; then
+    echo "Cleaning live-build environment..."
     sudo lb clean
 fi
 
-popd
+popd &>/dev/null
 
 # Clean up the config
 if [[ -z ${preserve_livebuild} ]]; then
+    echo -n "Removing artifacts... "
     sudo rm -rf artifacts/lb
+    echo "done."
 fi
 
+echo
+echo "Build completed. ISO file: ${isofilename}"

buildpxe.sh

@@ -0,0 +1,147 @@
+#!/usr/bin/env bash
+
+# Generate a PVC autoinstaller PXE configuration
+
+fail() {
+    echo "$@"
+    exit 1
+}
+
+test -f /usr/lib/PXELINUX/pxelinux.0 &>/dev/null || fail "This script requires pxelinux and syslinux-common"
+test -f /usr/lib/syslinux/modules/bios/ldlinux.c32 &>/dev/null || fail "This script requires pxelinux and syslinux-common"
+sudo -n true &>/dev/null || fail "The user running this script must have sudo privileges."
+
+outputdir="pvc-installer-pxe_$(date +%Y-%m-%d)/"
+deployusername="deploy"
+
+show_help() {
+    echo -e "PVC install PXE generator"
+    echo
+    echo -e " Generates a mostly-automated installer PXE image for a PVC node base system."
+    echo -e " This setup is designed to be used with the pvcbootstrapd system; for a normal"
+    echo -e " installation, use buildiso.sh instead."
+    echo
+    echo -e "Usage: $0 [-h] [-o <outputdirectory>] [-u username]"
+    echo
+    echo -e "   -h: Display this help message."
+    echo -e "   -o: Create the PXE images under <outputdirectory> instead of the default."
+    echo -e "   -u: Change 'deploy' user to a new username."
+    echo -e "   -a: Preserve live-build artifacts (passed through to buildiso.sh)."
+    echo -e "   -k: Preserve live-build config (passed through to buildiso.sh)."
+    echo -e "   -i: Preserve live-build ISO image."
+}
+
+while [ $# -gt 0 ]; do
+    case "${1}" in
+        -h|\?)
+            show_help
+            exit 0
+        ;;
+        -o)
+            outputdir="${2}"
+            shift 2
+        ;;
+        -u)
+            deployusername="${2}"
+            shift 2
+        ;;
+        -a)
+            preserve_artifacts='-a'
+            shift
+        ;;
+        -k)
+            preserve_livebuild='-k'
+            shift
+        ;;
+        -i)
+            preserve_liveiso='y'
+            shift
+        ;;
+        *)
+            echo "Invalid option: ${1}"
+            echo
+            show_help
+            exit 1
+        ;;
+    esac
+done
+
+cleanup() {
+    echo -n "Cleaning up... "
+    echo "done."
+    echo
+}
+
+fail() {
+    echo $@
+    cleanup
+    exit 1
+}
+
+build_iso() {
+	if [[ ! -f pvc-installer_pxe-tmp.iso ]]; then
+	    ./buildiso.sh \
+            -o pvc-installer_pxe-tmp.iso \
+            -u ${deployusername} \
+            ${preserve_artifacts} \
+            ${preserve_livebuild} || fail "Failed to build ISO."
+        echo
+	fi
+}
+
+build_pxe() {
+    mkdir -p ${outputdir} ${outputdir}/boot
+
+    echo -n "Mounting temporary ISO file... "
+    tmpdir=$( mktemp -d )
+    sudo mount pvc-installer_pxe-tmp.iso ${tmpdir} &>/dev/null
+    echo "done."
+
+    echo -n "Copying live boot files... "
+    cp ${tmpdir}/live/filesystem.squashfs ${outputdir}/
+    cp ${tmpdir}/live/vmlinuz ${outputdir}/
+    cp ${tmpdir}/live/initrd.img ${outputdir}/
+    echo "done."
+
+    echo -n "Unmounting and removing temporary ISO file... "
+    sudo umount ${tmpdir}
+    rmdir ${tmpdir}
+    echo "done."
+
+    echo -n "Creating base iPXE configuration... "
+    cat <<EOF > ${outputdir}/boot.pxe
+#!ipxe
+
+# Set global variables
+set root-url tftp://\${next-server}
+set host-url tftp://\${next-server}/host
+
+# Load host/mac-*.ipxe if present (per-host host-args configuration)
+chain --autofree \${host-url}/mac-\${mac:hexraw}.ipxe ||
+
+set menu-default pvc-installer
+set submenu-default pvc-installer
+
+:pvc-installer
+kernel \${root-url}/vmlinuz
+initrd \${root-url}/initrd.img
+imgargs vmlinuz console=tty0 console=ttyS0,115200n8 boot=live components timezone=America/Toronto fetch=\${root-url}/filesystem.squashfs username=root \${host-args}
+boot
+EOF
+	echo "done."
+
+	sudo chown -R $(whoami) ${outputdir}
+	sudo chmod -R u+w ${outputdir}
+
+    if [[ -z ${preserve_liveiso} ]]; then
+        echo -n "Removing temporary ISO... "
+        rm pvc-installer_pxe-tmp.iso &>/dev/null
+        echo "done."
+    fi
+}
+
+build_iso
+build_pxe
+cleanup
+
+echo "PVC Live Installer PXE generation complete."