diff options
Diffstat (limited to 'archive')
| -rwxr-xr-x | archive/create-lab | 206 | ||||
| -rwxr-xr-x | archive/kvm-lab-create.bak | 132 | ||||
| -rwxr-xr-x | archive/kvm-lab-destroy.bak | 52 | ||||
| -rw-r--r-- | archive/nextcloud | 1 |
4 files changed, 350 insertions, 41 deletions
diff --git a/archive/create-lab b/archive/create-lab new file mode 100755 index 0000000..8640ed6 --- /dev/null +++ b/archive/create-lab @@ -0,0 +1,206 @@ +#!/usr/bin/env bash +set -euo pipefail + +URI="qemu:///system" + +IMGROOT="/var/lib/libvirt/images" +BASEDIR="$IMGROOT/base" +LABDIR="$IMGROOT/lab" + +# Template domains (XML donors) +TEMPLATE_DOMAIN_DEBIAN="debian13-template" +TEMPLATE_DOMAIN_NIXOS="nixos-template" + +# Base qcow2 images (backing files) +TEMPLATE_BASE_DEBIAN="$BASEDIR/debian13-template.qcow2" +TEMPLATE_BASE_NIXOS="$BASEDIR/nixos-base.qcow2" + +usage() { + cat <<'EOF' +Usage: kvm-lab-create <lab-name> [--base template|work01|nixos|/abs/path.qcow2] [--start] + +Examples: + kvm-lab-create lab10 --base template --start + kvm-lab-create lab11 --base work01 --start + kvm-lab-create lab20 --base nixos --start + kvm-lab-create lab12 --base /var/lib/libvirt/images/base/custom.qcow2 --start +EOF +} + +# --- Parse args --- +NAME="${1:-}" +shift || true + +BASESEL="template" +START="no" + +while [[ $# -gt 0 ]]; do + case "$1" in + --base) + BASESEL="${2:-}" + shift 2 + ;; + --start) + START="yes" + shift + ;; + -h|--help) + usage + exit 0 + ;; + *) + echo "ERROR: Unknown argument: $1" + usage + exit 1 + ;; + esac +done + +if [[ -z "${NAME:-}" ]]; then + usage + exit 1 +fi + +DISK="${LABDIR}/${NAME}.qcow2" +XML_TMP="$(mktemp "/tmp/${NAME}.xml.XXXXXX")" +cleanup() { rm -f "$XML_TMP"; } +trap cleanup EXIT + +# --- Resolve base selection (qcow2 backing file) --- +resolve_base() { + local sel="$1" + + if [[ "$sel" == "template" ]]; then + echo "$TEMPLATE_BASE_DEBIAN" + return 0 + fi + + if [[ "$sel" == "nixos" ]]; then + echo "$TEMPLATE_BASE_NIXOS" + return 0 + fi + + if [[ "$sel" == "work01" ]]; then + # Pick newest promoted work01 base (must exist first) + local latest + latest="$(ls -1t "$BASEDIR"/work01-base-*.qcow2 2>/dev/null | head -n 1 || true)" + if [[ -z "$latest" ]]; then + echo "ERROR: No work01 base found in $BASEDIR (expected work01-base-*.qcow2)." + echo "Action: run your promote script to create one." + return 1 + fi + echo "$latest" + return 0 + fi + + # Absolute path base + if [[ "$sel" == /* ]]; then + echo "$sel" + return 0 + fi + + echo "ERROR: Invalid --base '$sel' (use template|work01|nixos|/abs/path.qcow2)" + return 1 +} + +# --- Select template domain (XML donor) based on base selection --- +resolve_template_domain() { + local sel="$1" + + if [[ "$sel" == "nixos" ]]; then + echo "$TEMPLATE_DOMAIN_NIXOS" + return 0 + fi + + # If user gave an absolute qcow2, we default to Debian template unless they explicitly chose nixos. + # (You can change this policy later by adding a separate --os flag.) + echo "$TEMPLATE_DOMAIN_DEBIAN" + return 0 +} + +BASE="$(resolve_base "$BASESEL")" +TEMPLATE_DOMAIN="$(resolve_template_domain "$BASESEL")" + +# --- Preconditions (read-only checks) --- +if [[ ! -d "$LABDIR" ]]; then + echo "ERROR: Lab directory missing: $LABDIR" + exit 1 +fi + +if ! sudo test -r "$BASE"; then + echo "ERROR: Base image not readable (via sudo): $BASE" + exit 1 +fi + +if [[ -e "$DISK" ]]; then + echo "ERROR: Disk already exists: $DISK" + exit 1 +fi + +if virsh -c "$URI" dominfo "$NAME" &>/dev/null; then + echo "ERROR: Domain already exists: $NAME" + exit 1 +fi + +if ! virsh -c "$URI" dominfo "$TEMPLATE_DOMAIN" &>/dev/null; then + echo "ERROR: Template domain not found in $URI: $TEMPLATE_DOMAIN" + echo "Action:" + if [[ "$TEMPLATE_DOMAIN" == "$TEMPLATE_DOMAIN_NIXOS" ]]; then + echo " - Define a nixos-template domain (UEFI/OVMF) and keep it powered off." + else + echo " - Ensure debian13-template exists." + fi + exit 1 +fi + +# --- Create overlay disk --- +echo "Using template domain: $TEMPLATE_DOMAIN" +echo "Using base: $BASE" +echo "Creating overlay disk: $DISK" +sudo qemu-img create -f qcow2 -F qcow2 -b "$BASE" "$DISK" >/dev/null +sudo chown libvirt-qemu:libvirt "$DISK" +sudo chmod 0660 "$DISK" + +echo "Validating backing file..." +sudo qemu-img info "$DISK" | grep -E "file format:|virtual size:|backing file:" || true + +# --- Clone domain XML --- +echo "Cloning domain XML from: $TEMPLATE_DOMAIN" +virsh -c "$URI" dumpxml "$TEMPLATE_DOMAIN" > "$XML_TMP" + +# Detect original disk path inside the template XML and replace it robustly +ORIG_DISK_PATH="$(grep -oP "(?<=<source file=')[^']+" "$XML_TMP" | head -n 1 || true)" +if [[ -z "$ORIG_DISK_PATH" ]]; then + echo "ERROR: Could not find <source file='...'> disk path in template XML ($TEMPLATE_DOMAIN)." + echo "Action: ensure the template VM uses a file-backed qcow2 disk." + exit 1 +fi + +# Set name, disk path, and force NAT-only network "default" +sed -i \ + -e "s|<name>${TEMPLATE_DOMAIN}</name>|<name>${NAME}</name>|" \ + -e "s|${ORIG_DISK_PATH}|${DISK}|g" \ + -e "s|<source network='[^']*'|<source network='default'|g" \ + "$XML_TMP" + +# Remove UUID to avoid collision with template +sed -i -E '/<uuid>[^<]*<\/uuid>/d' "$XML_TMP" + +# Remove any host filesystem passthrough (if present) +perl -0777 -i -pe 's/<filesystem[\s\S]*?<\/filesystem>\n?//g' "$XML_TMP" + +# --- Define domain --- +echo "Defining domain: $NAME" +virsh -c "$URI" define "$XML_TMP" >/dev/null + +# --- Optional start --- +if [[ "$START" == "yes" ]]; then + echo "Starting domain: $NAME" + virsh -c "$URI" start "$NAME" >/dev/null +fi + +echo "OK: Lab '$NAME' created (disk: $DISK)." +if [[ "$START" != "yes" ]]; then + echo "To start: virsh -c $URI start $NAME" +fi + diff --git a/archive/kvm-lab-create.bak b/archive/kvm-lab-create.bak index d0d5865..43d2926 100755 --- a/archive/kvm-lab-create.bak +++ b/archive/kvm-lab-create.bak @@ -1,51 +1,106 @@ #!/usr/bin/env bash set -euo pipefail -# Libvirt context (system) URI="qemu:///system" -# Base/template (immutable parent qcow2) -BASE="/var/lib/libvirt/images/base/debian13-template.qcow2" -TEMPLATE_DOMAIN="debian13-template" +IMGROOT="/var/lib/libvirt/images" +BASEDIR="$IMGROOT/base" +LABDIR="$IMGROOT/lab" -# Lab overlays directory (dedicated) -LABDIR="/var/lib/libvirt/images/lab" +TEMPLATE_DOMAIN="debian13-template" +TEMPLATE_BASE="$BASEDIR/debian13-template.qcow2" usage() { - echo "Usage: kvm-lab-create <lab-name> [--start]" - echo "Example: kvm-lab-create lab02 --start" + echo "Usage: kvm-lab-create <lab-name> [--base template|work01|/abs/path.qcow2] [--start]" + echo "Examples:" + echo " kvm-lab-create lab10 --base template --start" + echo " kvm-lab-create lab11 --base work01 --start" + echo " kvm-lab-create lab12 --base /var/lib/libvirt/images/base/custom.qcow2 --start" } +# --- Parse args --- NAME="${1:-}" -START="${2:-}" +shift || true -if [[ -z "$NAME" ]]; then - usage - exit 1 -fi +BASESEL="template" +START="no" + +while [[ $# -gt 0 ]]; do + case "$1" in + --base) + BASESEL="${2:-}" + shift 2 + ;; + --start) + START="yes" + shift + ;; + -h|--help) + usage + exit 0 + ;; + *) + echo "ERROR: Unknown argument: $1" + usage + exit 1 + ;; + esac +done -if [[ "${START:-}" != "" && "${START:-}" != "--start" ]]; then +if [[ -z "$NAME" ]]; then usage exit 1 fi DISK="${LABDIR}/${NAME}.qcow2" XML_TMP="$(mktemp "/tmp/${NAME}.xml.XXXXXX")" - cleanup() { rm -f "$XML_TMP"; } trap cleanup EXIT -# ---- Preconditions (read-only checks) ---- -if ! sudo test -r "$BASE"; then - echo "ERROR: Base image not readable: $BASE" - exit 1 -fi +# --- Resolve base selection --- +resolve_base() { + local sel="$1" + if [[ "$sel" == "template" ]]; then + echo "$TEMPLATE_BASE" + return 0 + fi + + if [[ "$sel" == "work01" ]]; then + # Pick newest promoted work01 base (must exist first) + local latest + latest="$(ls -1t "$BASEDIR"/work01-base-*.qcow2 2>/dev/null | head -n 1 || true)" + if [[ -z "$latest" ]]; then + echo "ERROR: No work01 base found in $BASEDIR (expected work01-base-*.qcow2)." + echo "Action: run your promote script to create one." + return 1 + fi + echo "$latest" + return 0 + fi + # Absolute path base + if [[ "$sel" == /* ]]; then + echo "$sel" + return 0 + fi + + echo "ERROR: Invalid --base '$sel' (use template|work01|/abs/path.qcow2)" + return 1 +} + +BASE="$(resolve_base "$BASESEL")" + +# --- Preconditions (read-only checks) --- if [[ ! -d "$LABDIR" ]]; then echo "ERROR: Lab directory missing: $LABDIR" exit 1 fi +if ! sudo test -r "$BASE"; then + echo "ERROR: Base image not readable (via sudo): $BASE" + exit 1 +fi + if [[ -e "$DISK" ]]; then echo "ERROR: Disk already exists: $DISK" exit 1 @@ -61,50 +116,45 @@ if ! virsh -c "$URI" dominfo "$TEMPLATE_DOMAIN" &>/dev/null; then exit 1 fi -# ---- Create overlay disk ---- +# --- Create overlay disk --- +echo "Using base: $BASE" echo "Creating overlay disk: $DISK" sudo qemu-img create -f qcow2 -F qcow2 -b "$BASE" "$DISK" >/dev/null - -# Ensure qemu/libvirt can open it sudo chown libvirt-qemu:libvirt "$DISK" sudo chmod 0660 "$DISK" -# Quick sanity: confirm backing file is correct echo "Validating backing file..." -sudo qemu-img info "$DISK" | grep -E "backing file:|file format:|virtual size:" || true +sudo qemu-img info "$DISK" | grep -E "file format:|virtual size:|backing file:" || true -# ---- Clone domain XML ---- +# --- Clone domain XML --- echo "Cloning domain XML from: $TEMPLATE_DOMAIN" virsh -c "$URI" dumpxml "$TEMPLATE_DOMAIN" > "$XML_TMP" -# Replace <name> and the disk path, and force NAT-only network "default" -# Notes: -# - disk path substitution assumes template points at /var/lib/libvirt/images/base/debian13-template.qcow2 -# - network replacement assumes a standard <interface type='network'> exists +# Set name, disk path, and force NAT-only network "default" sed -i \ -e "s|<name>${TEMPLATE_DOMAIN}</name>|<name>${NAME}</name>|" \ - -e "s|${BASE}|${DISK}|g" \ + -e "s|${TEMPLATE_BASE}|${DISK}|g" \ -e "s|<source network='[^']*'|<source network='default'|g" \ "$XML_TMP" -# Extra safety: remove any hostfs passthrough (if any) to prevent host access via mounts -# (If none exist, this does nothing.) -perl -0777 -i -pe 's/<filesystem[\s\S]*?<\/filesystem>\n?//g' "$XML_TMP" -# # Remove UUID to avoid collision with template sed -i -E '/<uuid>[^<]*<\/uuid>/d' "$XML_TMP" -# ---- Define domain ---- + +# Remove any host filesystem passthrough (if present) +perl -0777 -i -pe 's/<filesystem[\s\S]*?<\/filesystem>\n?//g' "$XML_TMP" + +# --- Define domain --- echo "Defining domain: $NAME" virsh -c "$URI" define "$XML_TMP" >/dev/null -# ---- Optional start ---- -if [[ "$START" == "--start" ]]; then +# --- Optional start --- +if [[ "$START" == "yes" ]]; then echo "Starting domain: $NAME" virsh -c "$URI" start "$NAME" >/dev/null fi -echo "OK: Lab '${NAME}' created (disk: ${DISK})." -if [[ "$START" != "--start" ]]; then - echo "To start: virsh -c $URI start ${NAME}" +echo "OK: Lab '$NAME' created (disk: $DISK)." +if [[ "$START" != "yes" ]]; then + echo "To start: virsh -c $URI start $NAME" fi diff --git a/archive/kvm-lab-destroy.bak b/archive/kvm-lab-destroy.bak new file mode 100755 index 0000000..3548ef9 --- /dev/null +++ b/archive/kvm-lab-destroy.bak @@ -0,0 +1,52 @@ +#!/usr/bin/env bash +set -euo pipefail + +URI="qemu:///system" +LABDIR="/var/lib/libvirt/images/lab" + +NAME="${1:-}" + +if [[ -z "$NAME" ]]; then + echo "Usage: kvm-lab-destroy <lab-name>" + exit 1 +fi + +if [[ "$NAME" == "work01" || "$NAME" == "debian13-template" ]]; then + echo "Refusing to destroy protected VM: $NAME" + exit 1 +fi + +if ! virsh -c "$URI" dominfo "$NAME" &>/dev/null; then + echo "Domain not found: $NAME" + exit 1 +fi + +DISK="$(virsh -c "$URI" domblklist "$NAME" --details | awk '$3=="vda"{print $4}')" + +if [[ -z "$DISK" || "$DISK" != "$LABDIR/"* ]]; then + echo "Refusing to destroy: disk not under $LABDIR" + echo "Detected disk: $DISK" + exit 1 +fi + +STATE="$(virsh -c "$URI" domstate "$NAME")" + +if [[ "$STATE" == "running" ]]; then + echo "Shutting down $NAME..." + virsh -c "$URI" shutdown "$NAME" + sleep 3 +fi + +if [[ "$(virsh -c "$URI" domstate "$NAME")" == "running" ]]; then + echo "Force stopping $NAME..." + virsh -c "$URI" destroy "$NAME" +fi + +echo "Undefining $NAME..." +virsh -c "$URI" undefine "$NAME" + +echo "Deleting disk: $DISK" +sudo rm -v -- "$DISK" + +echo "Lab '$NAME' destroyed." + diff --git a/archive/nextcloud b/archive/nextcloud new file mode 100644 index 0000000..fae9bdb --- /dev/null +++ b/archive/nextcloud @@ -0,0 +1 @@ +aHR0cHM6Ly9jbG91ZC5sYWJ1bml4Lnh5ejo5NDQzCmxvZ2luOiBhZGFtCm1haWw6IGFkYW0uZ29tdWxrYTk0QGdtYWlsLmNvbSAKaGFzxYJvOiAgYk9PP2BAZD15S1Q5XmNWYAoKdXN0YXcgc29iaWUgMkZBIHBvdGVtIGRsYSBiZXpwaWVjemXFhHN0d2E= |