def base_disk_delete(): base_disk_name = conf.get_base_disk_name() base_disk_path = vm.get_disk_path(base_disk_name) output = vm.virsh("list", "--uuid", "--all") for uuid in output.splitlines(): if uuid == "": continue logger.debug("Candidate for deletion: %s", uuid) domstats = vm.virsh("domstats", uuid, "--block", "--backing") if re.search("block.*path.*{}".format(base_disk_path), domstats): logger.info("Deleting VM %s", uuid) vm.vm_delete(uuid) vm.disk_delete(base_disk_name)
def vm_install_base(): vm_name = "base" conf.vm[vm_name] = conf.VMconfig(vm_name) base_disk_name = conf.get_base_disk_name() vm.vm_delete(vm_name) if base_disk_exists(): logger.info("Deleting existing basedisk.") base_disk_delete() vm_config = conf.vm[vm_name] if conf.do_build: install_iso = iso_image.find_install_iso() else: install_iso = os.path.join(conf.img_dir, conf.iso_image.name) logger.info("Install ISO:\n\t%s", install_iso) autostart.autostart_reset() autostart.autostart_queue("osbash/base_fixups.sh") autostart.autostart_from_config(conf.base_install_scripts) autostart.autostart_queue("zero_empty.sh", "shutdown.sh") base_disk_size = 10000 vm.disk_create(base_disk_name, base_disk_size) libvirt_connect_uri = "qemu:///system" virt_install_call = [ "sudo", "virt-install", "--connect={}".format(libvirt_connect_uri) ] call_args = virt_install_call call_args.extend(["--name", vm_name]) call_args.extend(["--ram", str(vm_config.vm_mem)]) call_args.extend(["--vcpus", str(1)]) call_args.extend(["--os-type", "linux"]) call_args.extend(["--cdrom", install_iso]) call_args.extend([ "--disk", "vol={}/{},cache=none".format(vm.kvm_vol_pool, base_disk_name) ]) if conf.vm_ui == "headless": call_args.extend(("--graphics", "none", "--noautoconsole")) elif conf.vm_ui == "vnc": call_args.extend(("--graphics", "vnc,listen=127.0.0.1")) # Default (no extra argument) is gui option: should open a console viewer call_args.append("--wait=-1") import subprocess errout = subprocess.STDOUT logger.debug("virt-install call: %s", ' '.join(call_args)) logger.debug("virt-install call: %s", call_args) vm.virsh_log(call_args) subprocess.Popen(call_args, stderr=errout) while True: if vm.vm_is_running(vm_name): break print('.', end='') time.sleep(1) delay = 5 logger.info("\nWaiting %d seconds for VM %s to come up.", delay, vm_name) cs.conditional_sleep(delay) logger.info("Booting into distribution installer.") distro_boot.distro_start_installer(vm_config) # Prevent "time stamp from the future" due to race between two sudos for # virt-install (background) above and virsh below time.sleep(1) logger.info("Waiting for VM %s to be defined.", vm_name) while True: if vm.vm_is_running(vm_name): break time.sleep(1) print(".") ssh_ip = vm.node_to_ip(vm_name) conf.vm[vm_name].ssh_ip = ssh_ip logger.info("Waiting for ping returning from %s.", ssh_ip) hf.wait_for_ping(ssh_ip) autostart.autostart_and_wait(vm_name) vm.vm_wait_for_shutdown(vm_name) logger.info("Compacting %s.", base_disk_name) vm.disk_compress(base_disk_name) vm.virsh("undefine", vm_name) del conf.vm[vm_name] logger.info("Base disk created.") logger.info("stacktrain base disk build ends.")
def vm_create_node(vm_name): try: vm_config = conf.vm[vm_name] except Exception: logger.exception("Failed to import VM configuration config.vm_%s.", vm_name) raise base_disk_name = conf.get_base_disk_name() vm.vm_delete(vm_name) libvirt_connect_uri = "qemu:///system" virt_install_call = ["sudo", "virt-install", "--connect={}".format(libvirt_connect_uri)] call_args = virt_install_call + [ "--name", vm_name, "--ram", str(vm_config.vm_mem), "--vcpus", str(vm_config.vm_cpus), "--os-type={}".format("linux"), "--import", ] for index, iface in enumerate(conf.vm[vm_name].net_ifs): if iface["typ"] == "dhcp": call_args.extend(["--network", "bridge=virbr0"]) elif iface["typ"] == "manual": net_name = "labs-{}".format(vm.ip_to_netname(iface["ip"])) call_args.extend(["--network", "network={}".format(net_name)]) elif iface["typ"] == "static": net_name = "labs-{}".format(vm.ip_to_netname(iface["ip"])) call_args.extend(["--network", "network={}".format(net_name)]) else: logger.error("Unknown interface type: %s", iface.typ) sys.exit(1) for index, disk in enumerate(conf.vm[vm_name].disks): # Turn number into letter (0->a, 1->b, etc.) disk_letter = chr(index + ord("a")) if disk is None: continue disk_name = "{}-sd{}".format(vm_name, disk_letter) if disk == "base": logger.info("Creating copy-on-write VM disk.") vm.disk_create_cow(disk_name, base_disk_name) else: size = disk logger.info("Adding empty disk to %s: %s", vm_name, disk_name) vm.disk_create(disk_name, size) call_args.extend(["--disk", "vol={}/{},cache=none".format(vm.kvm_vol_pool, disk_name)]) if conf.vm_ui == "headless": call_args.extend(("--graphics", "none", "--noautoconsole")) call_args.append("--noreboot") elif conf.vm_ui == "vnc": # Only local connections allowed (0.0.0.0 would allow external # connections as well) call_args.extend(("--graphics", "vnc,listen=127.0.0.1")) call_args.append("--noreboot") # Default UI uses virt-viewer which doesn't fly with --noreboot import subprocess errout = subprocess.STDOUT logger.debug("virt-install call: %s", call_args) vm.virsh_log(call_args) subprocess.Popen(call_args, stderr=errout) # Prevent "time stamp from the future" due to race between two sudos for # virt-install (background) above and virsh below import time time.sleep(1) logger.info("Waiting for VM %s to be defined.", vm_name) while True: if vm.virsh_vm_defined(vm_name): logger.debug("VM %s is defined now.", vm_name) vm.log_xml_dump(vm_name, "defined") break time.sleep(1) print(".", end="") sys.stdout.flush() # Set VM group in description so we know which VMs are ours # (not with virt-install because older versions give an error for # --metadata title=TITLE) vm.set_vm_group(vm_name) vm.log_xml_dump(vm_name, "in_group")
def vm_install_base(): vm_name = "base" conf.vm[vm_name] = conf.VMconfig(vm_name) base_disk_name = conf.get_base_disk_name() vm.vm_delete(vm_name) vm.disk_delete(base_disk_name) vm_config = conf.vm[vm_name] if conf.do_build: install_iso = iso_image.find_install_iso() else: install_iso = os.path.join(conf.img_dir, conf.iso_image.name) logger.info("Install ISO:\n\t%s", install_iso) autostart.autostart_reset() autostart.autostart_queue("osbash/base_fixups.sh") autostart.autostart_from_config(conf.base_install_scripts) autostart.autostart_queue("zero_empty.sh", "shutdown.sh") base_disk_size = 10000 vm.disk_create(base_disk_name, base_disk_size) libvirt_connect_uri = "qemu:///system" virt_install_call = ["sudo", "virt-install", "--connect={}".format(libvirt_connect_uri)] vm_base_mem = 512 call_args = virt_install_call call_args.extend(["--name", vm_name]) call_args.extend(["--ram", str(vm_base_mem)]) call_args.extend(["--vcpus", str(1)]) call_args.extend(["--os-type", "linux"]) call_args.extend(["--cdrom", install_iso]) call_args.extend(["--disk", "vol={}/{},cache=none".format(vm.kvm_vol_pool, base_disk_name)]) if conf.vm_ui == "headless": call_args.extend(("--graphics", "none", "--noautoconsole")) elif conf.vm_ui == "vnc": call_args.extend(("--graphics", "vnc,listen=127.0.0.1")) # Default (no extra argument) is gui option: should open a console viewer call_args.append("--wait=-1") import subprocess errout = subprocess.STDOUT logger.debug("virt-install call: %s", ' '.join(call_args)) logger.debug("virt-install call: %s", call_args) vm.virsh_log(call_args) subprocess.Popen(call_args, stderr=errout) while True: if vm.vm_is_running(vm_name): break print('.', end='') time.sleep(1) delay = 5 logger.info("\nWaiting %d seconds for VM %s to come up.", delay, vm_name) cs.conditional_sleep(delay) logger.info("Booting into distribution installer.") distro_boot.distro_start_installer(vm_config) # Prevent "time stamp from the future" due to race between two sudos for # virt-install (background) above and virsh below time.sleep(1) logger.info("Waiting for VM %s to be defined.", vm_name) while True: if vm.vm_is_running(vm_name): break time.sleep(1) print(".") ssh_ip = vm.node_to_ip(vm_name) conf.vm[vm_name].ssh_ip = ssh_ip logger.info("Waiting for ping returning from %s.", ssh_ip) hf.wait_for_ping(ssh_ip) autostart.autostart_and_wait(vm_name) vm.vm_wait_for_shutdown(vm_name) logger.info("Compacting %s.", base_disk_name) vm.disk_compress(base_disk_name) vm.virsh("undefine", vm_name) del conf.vm[vm_name] logger.info("Base disk created.") logger.info("stacktrain base disk build ends.")
def vm_create_node(vm_name): try: vm_config = conf.vm[vm_name] except Exception: logger.exception("Failed to import VM configuration config.vm_%s.", vm_name) raise base_disk_name = conf.get_base_disk_name() vm.vm_delete(vm_name) libvirt_connect_uri = "qemu:///system" virt_install_call = [ "sudo", "virt-install", "--connect={}".format(libvirt_connect_uri) ] call_args = virt_install_call + [ "--name", vm_name, "--ram", str(vm_config.vm_mem), "--vcpus", str(vm_config.vm_cpus), "--os-type={}".format("linux"), "--import" ] for index, iface in enumerate(conf.vm[vm_name].net_ifs): if iface["typ"] == "dhcp": call_args.extend(["--network", "bridge=virbr0"]) elif iface["typ"] == "manual": net_name = "labs-{}".format(vm.ip_to_netname(iface["ip"])) call_args.extend(["--network", "network={}".format(net_name)]) elif iface["typ"] == "static": net_name = "labs-{}".format(vm.ip_to_netname(iface["ip"])) call_args.extend(["--network", "network={}".format(net_name)]) else: logger.error("Unknown interface type: %s", iface.typ) sys.exit(1) for index, disk in enumerate(conf.vm[vm_name].disks): # Turn number into letter (0->a, 1->b, etc.) disk_letter = chr(index + ord('a')) if disk is None: continue disk_name = "{}-sd{}".format(vm_name, disk_letter) if disk == "base": logger.info("Creating copy-on-write VM disk.") vm.disk_create_cow(disk_name, base_disk_name) else: size = disk logger.info("Adding empty disk to %s: %s", vm_name, disk_name) vm.disk_create(disk_name, size) call_args.extend([ "--disk", "vol={}/{},cache=none".format(vm.kvm_vol_pool, disk_name) ]) if conf.vm_ui == "headless": call_args.extend(("--graphics", "none", "--noautoconsole")) call_args.append("--noreboot") elif conf.vm_ui == "vnc": # Only local connections allowed (0.0.0.0 would allow external # connections as well) call_args.extend(("--graphics", "vnc,listen=127.0.0.1")) call_args.append("--noreboot") # Default UI uses virt-viewer which doesn't fly with --noreboot import subprocess errout = subprocess.STDOUT logger.debug("virt-install call: %s", call_args) vm.virsh_log(call_args) subprocess.Popen(call_args, stderr=errout) # Prevent "time stamp from the future" due to race between two sudos for # virt-install (background) above and virsh below import time time.sleep(1) logger.info("Waiting for VM %s to be defined.", vm_name) while True: if vm.virsh_vm_defined(vm_name): logger.debug("VM %s is defined now.", vm_name) vm.log_xml_dump(vm_name, "defined") break time.sleep(1) print(".", end='') sys.stdout.flush() # Set VM group in description so we know which VMs are ours # (not with virt-install because older versions give an error for # --metadata title=TITLE) vm.set_vm_group(vm_name) vm.log_xml_dump(vm_name, "in_group")