Adolfo Delorenzo
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90-kubesolo.sh starts an nc-based HTTP server on port 8080 inside the VM to serve the admin kubeconfig (serial console truncates the base64-encoded cert lines, so HTTP is the reliable retrieval path). hack/dev-vm-arm64.sh only forwarded ports 6443 (kube-apiserver) and 2222 (ssh), so `curl http://localhost:8080` from the Mac returned empty — the connect attempt landed on a closed Mac-side port. Add the third hostfwd. Now `curl http://localhost:8080` from the host machine reaches the in-VM HTTP server and returns the kubeconfig. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
203 lines
7.3 KiB
Bash
Executable File
203 lines
7.3 KiB
Bash
Executable File
#!/bin/bash
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# dev-vm-arm64.sh — Launch ARM64 QEMU VM for development
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#
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# Two modes:
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#
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# Default (direct kernel boot — fast iteration):
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# qemu loads the kernel Image + initramfs directly via -kernel/-initrd.
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# Skips bootloader, UEFI firmware, and disk image entirely.
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# Use this for kernel and init-script changes.
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#
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# --disk (full UEFI boot — integration testing):
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# qemu boots the .arm64.img disk image via UEFI firmware -> GRUB -> kernel.
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# Exercises the full boot chain. Use this when changing the disk image
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# layout, GRUB config, or anything that touches the EFI partition.
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#
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# Usage:
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# ./hack/dev-vm-arm64.sh # direct kernel boot (default)
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# ./hack/dev-vm-arm64.sh --disk # full UEFI boot from built image
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# ./hack/dev-vm-arm64.sh --debug # enable kubesolo.debug
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# ./hack/dev-vm-arm64.sh --shell # drop to emergency shell
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# ./hack/dev-vm-arm64.sh --disk /path/to.img # boot a specific disk image
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# ./hack/dev-vm-arm64.sh <kernel> <initramfs> # direct boot with custom files
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
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VERSION="$(cat "$PROJECT_ROOT/VERSION")"
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MODE="kernel" # kernel | disk
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VMLINUZ=""
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INITRD=""
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DISK_IMAGE=""
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EXTRA_APPEND=""
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while [ $# -gt 0 ]; do
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case "$1" in
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--shell) EXTRA_APPEND="$EXTRA_APPEND kubesolo.shell"; shift ;;
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--debug) EXTRA_APPEND="$EXTRA_APPEND kubesolo.debug"; shift ;;
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--disk)
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MODE="disk"
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shift
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# Optional next-arg as disk image path
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if [ $# -gt 0 ] && [ -f "$1" ]; then
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DISK_IMAGE="$1"
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shift
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fi
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;;
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*)
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if [ "$MODE" = "kernel" ] && [ -z "$VMLINUZ" ]; then
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VMLINUZ="$1"
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elif [ "$MODE" = "kernel" ] && [ -z "$INITRD" ]; then
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INITRD="$1"
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fi
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shift
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;;
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esac
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done
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# ---------------------------------------------------------------------------
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# UEFI firmware probe (used for --disk mode)
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# ---------------------------------------------------------------------------
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find_uefi_firmware() {
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local candidates=(
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/usr/share/qemu-efi-aarch64/QEMU_EFI.fd
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/usr/share/AAVMF/AAVMF_CODE.fd
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/usr/share/edk2/aarch64/QEMU_EFI.fd
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/usr/share/qemu/edk2-aarch64-code.fd
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/opt/homebrew/share/qemu/edk2-aarch64-code.fd
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/usr/local/share/qemu/edk2-aarch64-code.fd
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)
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for f in "${candidates[@]}"; do
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[ -f "$f" ] && echo "$f" && return 0
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done
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return 1
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}
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# ---------------------------------------------------------------------------
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# mkfs.ext4 probe (kernel mode creates a scratch data disk)
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# ---------------------------------------------------------------------------
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find_mkfs_ext4() {
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if command -v mkfs.ext4 >/dev/null 2>&1; then
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echo "mkfs.ext4"
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elif [ -x "/opt/homebrew/opt/e2fsprogs/sbin/mkfs.ext4" ]; then
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echo "/opt/homebrew/opt/e2fsprogs/sbin/mkfs.ext4"
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elif [ -x "/usr/local/opt/e2fsprogs/sbin/mkfs.ext4" ]; then
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echo "/usr/local/opt/e2fsprogs/sbin/mkfs.ext4"
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fi
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}
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# ===========================================================================
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# Disk mode: boot the built .arm64.img through UEFI firmware + GRUB
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# ===========================================================================
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if [ "$MODE" = "disk" ]; then
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DISK_IMAGE="${DISK_IMAGE:-$PROJECT_ROOT/output/kubesolo-os-${VERSION}.arm64.img}"
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if [ ! -f "$DISK_IMAGE" ]; then
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echo "ERROR: Disk image not found: $DISK_IMAGE"
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echo " Run 'make disk-image-arm64' to build it."
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exit 1
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fi
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UEFI_FW="$(find_uefi_firmware || true)"
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if [ -z "$UEFI_FW" ]; then
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echo "ERROR: No ARM64 UEFI firmware found."
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echo " Install one of:"
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echo " apt install qemu-efi-aarch64 # Debian/Ubuntu"
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echo " dnf install edk2-aarch64 # Fedora/RHEL"
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echo " brew install qemu # macOS (bundled)"
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exit 1
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fi
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# Pad UEFI firmware variable store to 64 MiB if QEMU expects pflash sizing.
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# Most ARM64 EFI .fd files are 64 MB; if yours is smaller, QEMU may refuse.
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echo "==> Launching ARM64 QEMU (UEFI disk boot)..."
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echo " Firmware: $UEFI_FW"
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echo " Disk: $DISK_IMAGE"
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echo ""
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echo " K8s API: localhost:6443"
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echo " SSH: localhost:2222"
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echo " Press Ctrl+A X to exit QEMU"
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echo ""
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# -cpu max enables all emulated ARMv8 features (atomics, crypto, fp16).
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# piCore64's BusyBox is built with -march=armv8-a+crypto+lse and segfaults
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# under -cpu cortex-a72 because some required extensions aren't on by
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# default in that model.
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qemu-system-aarch64 \
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-machine virt \
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-cpu max \
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-m 2048 \
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-smp 2 \
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-nographic \
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-bios "$UEFI_FW" \
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-drive "file=$DISK_IMAGE,format=raw,if=virtio,media=disk" \
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-net "nic,model=virtio" \
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-net "user,hostfwd=tcp::6443-:6443,hostfwd=tcp::2222-:22,hostfwd=tcp::8080-:8080"
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exit 0
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fi
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# ===========================================================================
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# Kernel mode (default): direct -kernel / -initrd, fast iteration
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# ===========================================================================
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VMLINUZ="${VMLINUZ:-$PROJECT_ROOT/build/cache/kernel-arm64-generic/Image}"
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INITRD="${INITRD:-$PROJECT_ROOT/build/rootfs-work/kubesolo-os.gz}"
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# Fallback: previous-generation RPi kernel cache, in case someone hasn't yet
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# rebuilt under v0.3 paths.
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if [ ! -f "$VMLINUZ" ] && [ -f "$PROJECT_ROOT/build/cache/custom-kernel-rpi/Image" ]; then
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VMLINUZ="$PROJECT_ROOT/build/cache/custom-kernel-rpi/Image"
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echo "==> Note: falling back to RPi kernel ($VMLINUZ)"
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fi
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if [ ! -f "$VMLINUZ" ]; then
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echo "ERROR: Kernel not found: $VMLINUZ"
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echo " Run 'make kernel-arm64' (generic) or 'make kernel-rpi' to build a kernel."
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exit 1
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fi
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if [ ! -f "$INITRD" ]; then
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echo "ERROR: Initrd not found: $INITRD"
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echo " Run 'make rootfs-arm64' to build the initramfs."
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exit 1
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fi
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MKFS_EXT4="$(find_mkfs_ext4)"
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if [ -z "$MKFS_EXT4" ]; then
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echo "ERROR: mkfs.ext4 not found. Install e2fsprogs:"
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if [ "$(uname)" = "Darwin" ]; then
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echo " brew install e2fsprogs"
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else
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echo " apt install e2fsprogs # Debian/Ubuntu"
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echo " dnf install e2fsprogs # Fedora/RHEL"
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fi
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exit 1
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fi
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DATA_DISK="$(mktemp /tmp/kubesolo-arm64-data-XXXXXX).img"
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dd if=/dev/zero of="$DATA_DISK" bs=1M count=1024 2>/dev/null
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"$MKFS_EXT4" -q -L KSOLODATA "$DATA_DISK" 2>/dev/null
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trap 'rm -f "$DATA_DISK"' EXIT
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echo "==> Launching ARM64 QEMU (direct kernel boot)..."
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echo " Kernel: $VMLINUZ"
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echo " Initrd: $INITRD"
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echo " Data: $DATA_DISK"
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echo ""
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echo " K8s API: localhost:6443"
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echo " SSH: localhost:2222"
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echo " Press Ctrl+A X to exit QEMU"
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echo ""
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qemu-system-aarch64 \
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-machine virt \
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-cpu max \
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-m 2048 \
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-smp 2 \
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-nographic \
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-kernel "$VMLINUZ" \
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-initrd "$INITRD" \
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-append "console=ttyAMA0 kubesolo.data=/dev/vda kubesolo.debug $EXTRA_APPEND" \
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-drive "file=$DATA_DISK,format=raw,if=virtio" \
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-net "nic,model=virtio" \
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-net "user,hostfwd=tcp::6443-:6443,hostfwd=tcp::2222-:22,hostfwd=tcp::8080-:8080"
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