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This commit is contained in:
kristof 2025-06-15 20:55:06 +02:00
parent e701615e53
commit 0bae1ed774
1 changed files with 76 additions and 30 deletions
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106
tools/ubuntu_vm_start.sh
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@ -27,15 +27,15 @@ BRIDGE_IP="192.168.100.1/24"
NETWORK="192.168.100.0/24" NETWORK="192.168.100.0/24"
log() { log() {
echo -e "${GREEN}[$(date +'%Y-%m-%d %H:%M:%S')] $1${NC}" echo -e "${GREEN}[$(date +'%Y-%m-%d %H:%M:%S')] $1${NC}" >&2
} }
warn() { warn() {
echo -e "${YELLOW}[$(date +'%Y-%m-%d %H:%M:%S')] WARNING: $1${NC}" echo -e "${YELLOW}[$(date +'%Y-%m-%d %H:%M:%S')] WARNING: $1${NC}" >&2
} }
error() { error() {
echo -e "${RED}[$(date +'%Y-%m-%d %H:%M:%S')] ERROR: $1${NC}" echo -e "${RED}[$(date +'%Y-%m-%d %H:%M:%S')] ERROR: $1${NC}" >&2
# If VM_NUMBER is set and we're in VM creation phase, clean up # If VM_NUMBER is set and we're in VM creation phase, clean up
if [ -n "$VM_NUMBER" ] && [ -n "$VM_PID" ]; then if [ -n "$VM_NUMBER" ] && [ -n "$VM_PID" ]; then
@ -46,7 +46,7 @@ error() {
} }
info() { info() {
echo -e "${BLUE}[$(date +'%Y-%m-%d %H:%M:%S')] INFO: $1${NC}" echo -e "${BLUE}[$(date +'%Y-%m-%d %H:%M:%S')] INFO: $1${NC}" >&2
} }
# Test functions # Test functions
@ -200,9 +200,10 @@ test_ssh_connection() {
while [ $attempt -le $max_attempts ]; do while [ $attempt -le $max_attempts ]; do
info "SSH attempt $attempt/$max_attempts" info "SSH attempt $attempt/$max_attempts"
# Test SSH connection with timeout # Test SSH connection with timeout, using key-based auth, with verbose output for diagnostics
if timeout 10 sshpass -p 'ubuntu' ssh -o StrictHostKeyChecking=no -o ConnectTimeout=5 ubuntu@"$vm_ip" 'echo "SSH connection successful"' 2>/dev/null; then info "Attempting SSH with key: timeout 10 ssh -i \"$SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH\" -v -o StrictHostKeyChecking=no -o ConnectTimeout=5 ubuntu@\"$vm_ip\" 'echo \"SSH connection successful\"'" >&2
log "✓ SSH connection successful to ubuntu@$vm_ip" if timeout 10 ssh -i "$SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH" -v -o StrictHostKeyChecking=no -o ConnectTimeout=5 ubuntu@"$vm_ip" 'echo "SSH connection successful"'; then
log "✓ SSH connection successful to ubuntu@$vm_ip with key $SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH" >&2
return 0 return 0
fi fi
@ -253,8 +254,52 @@ fi
# Calculate static IP address based on VM number # Calculate static IP address based on VM number
VM_STATIC_IP="192.168.100.$VM_NUMBER" VM_STATIC_IP="192.168.100.$VM_NUMBER"
log "Starting VM: $VM_NAME (number $VM_NUMBER) with ${MEMORY_MB}MB RAM and $CPU_CORES CPU cores" log "Starting VM: $VM_NAME (number $VM_NUMBER) with ${MEMORY_MB}MB RAM and $CPU_CORES CPU cores" >&2
log "VM will be assigned static IP: $VM_STATIC_IP" log "VM will be assigned static IP: $VM_STATIC_IP" >&2
# SSH Key Configuration for Host Root to VM Ubuntu User
HOST_ROOT_SSH_DIR="/root/.ssh"
HOST_ROOT_SSH_PUB_KEY_PATH_ED25519="$HOST_ROOT_SSH_DIR/id_ed25519.pub"
HOST_ROOT_SSH_PRIV_KEY_PATH_ED25519="$HOST_ROOT_SSH_DIR/id_ed25519"
HOST_ROOT_SSH_PUB_KEY_PATH_RSA="$HOST_ROOT_SSH_DIR/id_rsa.pub"
HOST_ROOT_SSH_PRIV_KEY_PATH_RSA="$HOST_ROOT_SSH_DIR/id_rsa"
SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH=""
SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH=""
mkdir -p "$HOST_ROOT_SSH_DIR"
chmod 700 "$HOST_ROOT_SSH_DIR"
if [ -f "$HOST_ROOT_SSH_PUB_KEY_PATH_ED25519" ]; then
SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH="$HOST_ROOT_SSH_PUB_KEY_PATH_ED25519"
SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH="$HOST_ROOT_SSH_PRIV_KEY_PATH_ED25519"
log "Using existing ED25519 SSH key: $SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH" >&2
elif [ -f "$HOST_ROOT_SSH_PUB_KEY_PATH_RSA" ]; then
SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH="$HOST_ROOT_SSH_PUB_KEY_PATH_RSA"
SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH="$HOST_ROOT_SSH_PRIV_KEY_PATH_RSA"
log "Using existing RSA SSH key: $SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH" >&2
else
log "No existing SSH key found for root. Generating ED25519 key..." >&2
ssh-keygen -t ed25519 -N "" -f "$HOST_ROOT_SSH_PRIV_KEY_PATH_ED25519" -q
if [ $? -eq 0 ] && [ -f "$HOST_ROOT_SSH_PUB_KEY_PATH_ED25519" ]; then
SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH="$HOST_ROOT_SSH_PUB_KEY_PATH_ED25519"
SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH="$HOST_ROOT_SSH_PRIV_KEY_PATH_ED25519"
log "Generated ED25519 SSH key: $SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH" >&2
chmod 600 "$HOST_ROOT_SSH_PRIV_KEY_PATH_ED25519"
chmod 644 "$HOST_ROOT_SSH_PUB_KEY_PATH_ED25519"
else
error "Failed to generate ED25519 SSH key."
fi
fi
if [ -z "$SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH" ]; then
error "Could not find or generate an SSH public key for root user."
fi
HOST_ROOT_SSH_PUB_KEY_CONTENT=$(cat "$SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH")
if [ -z "$HOST_ROOT_SSH_PUB_KEY_CONTENT" ]; then
error "SSH public key content is empty at $SELECTED_HOST_ROOT_SSH_PUB_KEY_PATH"
fi
# Comprehensive prerequisite checks # Comprehensive prerequisite checks
log "Performing prerequisite checks..." log "Performing prerequisite checks..."
@ -453,8 +498,8 @@ VM_MAC="52:54:00:$(printf '%02x:%02x:%02x' $((RANDOM%256)) $((RANDOM%256)) $((RA
log "Generated MAC address for VM: $VM_MAC" log "Generated MAC address for VM: $VM_MAC"
# Generate proper password hash for 'ubuntu' # Generate proper password hash for 'ubuntu'
PASSWORD_HASH=$(generate_password_hash) # PASSWORD_HASH=$(generate_password_hash) # No longer needed for ubuntu user
test_step "Password hash generation" "[ -n '$PASSWORD_HASH' ]" # test_step "Password hash generation" "[ -n '$PASSWORD_HASH' ]"
cat > "/tmp/user-data" << EOF cat > "/tmp/user-data" << EOF
#cloud-config #cloud-config
@ -462,23 +507,24 @@ users:
- name: ubuntu - name: ubuntu
sudo: ALL=(ALL) NOPASSWD:ALL sudo: ALL=(ALL) NOPASSWD:ALL
shell: /bin/bash shell: /bin/bash
lock_passwd: false # lock_passwd: false # Not needed with key auth
passwd: $PASSWORD_HASH # passwd: $PASSWORD_HASH # Using SSH key instead
groups: sudo groups: sudo
home: /home/ubuntu home: /home/ubuntu
ssh_authorized_keys:
- ${HOST_ROOT_SSH_PUB_KEY_CONTENT}
# Enable SSH with password authentication # ssh_pwauth: true # Disabling password auth for ubuntu user by not setting a password
ssh_pwauth: true disable_root: false # Keep root disabled for direct login, sudo is available
disable_root: false chpasswd: # This section might be irrelevant now for ubuntu user
chpasswd:
expire: false expire: false
# SSH configuration # SSH configuration
ssh_authorized_keys: [] # ssh_authorized_keys: [] # This was a global setting, moved to user-specific
# Network configuration with static IP # Network configuration with static IP
network: network:
config: disabled config: disabled # This disables cloud-init's direct network config, relying on write_files + runcmd
write_files: write_files:
- path: /etc/netplan/50-cloud-init.yaml - path: /etc/netplan/50-cloud-init.yaml
@ -790,22 +836,22 @@ fi
# Test SSH connectivity # Test SSH connectivity
if test_ssh_connection "$VM_IP"; then if test_ssh_connection "$VM_IP"; then
log "🎉 SUCCESS: VM $VM_NAME is fully operational!" log "🎉 SUCCESS: VM $VM_NAME is fully operational!" >&2
log "✓ VM is running with PID $VM_PID" log "✓ VM is running with PID $VM_PID" >&2
log "✓ VM has IP address: $VM_IP" log "✓ VM has IP address: $VM_IP" >&2
log "✓ SSH is working: ssh ubuntu@$VM_IP (password: ubuntu)" log "✓ SSH is working with key: ssh -i \"$SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH\" ubuntu@$VM_IP" >&2
log "✓ VM info saved to: $VM_INFO_FILE" log "✓ VM info saved to: $VM_INFO_FILE" >&2
# Display relevant IP configuration lines from VM log # Display relevant IP configuration lines from VM log
if [ -f "$VM_LOG_FILE" ]; then if [ -f "$VM_LOG_FILE" ]; then
info "Relevant IP configuration from VM log ($VM_LOG_FILE):" info "Relevant IP configuration from VM log ($VM_LOG_FILE):" >&2
grep -E "inet .*ens3|default via" "$VM_LOG_FILE" | tail -n 5 || true grep -E "inet .*ens3|default via" "$VM_LOG_FILE" | tail -n 5 || true # Output of grep goes to stdout, which is fine here
fi fi
echo "" echo "" >&2 # Direct echo to stderr
info "VM $VM_NAME is ready for use!" info "VM $VM_NAME is ready for use!" >&2
info "Connect via SSH: ssh ubuntu@$VM_IP" info "Connect via SSH: ssh -i \"$SELECTED_HOST_ROOT_SSH_PRIV_KEY_PATH\" ubuntu@$VM_IP" >&2
info "Default password: ubuntu (please change after first login)" # info "Default password: ubuntu (please change after first login)" # No longer relevant
info "To stop the VM: sudo $(dirname "$0")/ubuntu_vm_delete.sh $VM_NUMBER" info "To stop the VM: sudo $(dirname "$0")/ubuntu_vm_delete.sh $VM_NUMBER"
echo "" echo ""