+
+# dynamic device modification
+
+DDM_ADD = 'add'
+DDM_REMOVE = 'remove'
+
+# common exit codes
+EXIT_SUCCESS = 0
+EXIT_FAILURE = 1
+EXIT_NOTMASTER = 11
+EXIT_NODESETUP_ERROR = 12
+EXIT_CONFIRMATION = 13 # need user confirmation
+
+# tags
+TAG_CLUSTER = "cluster"
+TAG_NODE = "node"
+TAG_INSTANCE = "instance"
+MAX_TAG_LEN = 128
+MAX_TAGS_PER_OBJ = 4096
+
+# others
+DEFAULT_BRIDGE = "xen-br0"
+SYNC_SPEED = 60 * 1024
+LOCALHOST_IP_ADDRESS = "127.0.0.1"
+TCP_PING_TIMEOUT = 10
+GANETI_RUNAS = "root"
+DEFAULT_VG = "xenvg"
+BIND_ADDRESS_GLOBAL = "0.0.0.0"
+MIN_VG_SIZE = 20480
+DEFAULT_MAC_PREFIX = "aa:00:00"
+
+# RPC constants
+(RPC_ENCODING_NONE,
+ RPC_ENCODING_ZLIB_BASE64) = range(2)
+
+# os related constants
+OS_VALID_STATUS = "VALID"
+OS_SCRIPT_CREATE = 'create'
+OS_SCRIPT_IMPORT = 'import'
+OS_SCRIPT_EXPORT = 'export'
+OS_SCRIPT_RENAME = 'rename'
+OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
+ OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
+
+# ssh constants
+SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
+SSH_CONFIG_DIR = "/etc/ssh/"
+SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "ssh_host_dsa_key"
+SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
+SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "ssh_host_rsa_key"
+SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
+SSH = "ssh"
+SCP = "scp"
+
+# reboot types
+INSTANCE_REBOOT_SOFT = "soft"
+INSTANCE_REBOOT_HARD = "hard"
+INSTANCE_REBOOT_FULL = "full"
+
+REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
+ INSTANCE_REBOOT_HARD,
+ INSTANCE_REBOOT_FULL])
+
+VTYPE_STRING = 'string'
+VTYPE_BOOL = 'bool'
+VTYPE_SIZE = 'size' # size, in MiBs
+VTYPE_INT = 'int'
+ENFORCEABLE_TYPES = frozenset([
+ VTYPE_STRING,
+ VTYPE_BOOL,
+ VTYPE_SIZE,
+ VTYPE_INT,
+ ])
+
+# HV parameter names (global namespace)
+HV_BOOT_ORDER = "boot_order"
+HV_CDROM_IMAGE_PATH = "cdrom_image_path"
+HV_NIC_TYPE = "nic_type"
+HV_DISK_TYPE = "disk_type"
+HV_VNC_BIND_ADDRESS = "vnc_bind_address"
+HV_VNC_TLS = "vnc_tls"
+HV_VNC_X509 = "vnc_x509_path"
+HV_VNC_X509_VERIFY = "vnc_x509_verify"
+HV_ACPI = "acpi"
+HV_PAE = "pae"
+HV_KERNEL_ARGS = "kernel_args"
+HV_KERNEL_PATH = "kernel_path"
+HV_INITRD_PATH = "initrd_path"
+HV_ROOT_PATH = "root_path"
+HV_SERIAL_CONSOLE = "serial_console"
+HV_USB_MOUSE = "usb_mouse"
+HV_DEVICE_MODEL = "device_model"
+
+HVS_PARAMETER_TYPES = {
+ HV_BOOT_ORDER: VTYPE_STRING,
+ HV_CDROM_IMAGE_PATH: VTYPE_STRING,
+ HV_NIC_TYPE: VTYPE_STRING,
+ HV_DISK_TYPE: VTYPE_STRING,
+ HV_VNC_BIND_ADDRESS: VTYPE_STRING,
+ HV_VNC_TLS: VTYPE_BOOL,
+ HV_VNC_X509: VTYPE_STRING,
+ HV_VNC_X509_VERIFY: VTYPE_BOOL,
+ HV_ACPI: VTYPE_BOOL,
+ HV_PAE: VTYPE_BOOL,
+ HV_KERNEL_PATH: VTYPE_STRING,
+ HV_KERNEL_ARGS: VTYPE_STRING,
+ HV_INITRD_PATH: VTYPE_STRING,
+ HV_ROOT_PATH: VTYPE_STRING,
+ HV_SERIAL_CONSOLE: VTYPE_BOOL,
+ HV_USB_MOUSE: VTYPE_STRING,
+ HV_DEVICE_MODEL: VTYPE_STRING,
+ }
+
+HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
+
+# BE parameter names
+BE_MEMORY = "memory"
+BE_VCPUS = "vcpus"
+BE_AUTO_BALANCE = "auto_balance"
+
+BES_PARAMETER_TYPES = {
+ BE_MEMORY: VTYPE_SIZE,
+ BE_VCPUS: VTYPE_INT,
+ BE_AUTO_BALANCE: VTYPE_BOOL,
+ }
+
+BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
+
+# Instance Parameters Profile
+PP_DEFAULT = "default"
+
+NIC_MODE = "mode"
+NIC_LINK = "link"
+
+NIC_MODE_BRIDGED = "bridged"
+NIC_MODE_ROUTED = "routed"
+
+NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
+
+NICS_PARAMETER_TYPES = {
+ NIC_MODE: VTYPE_STRING,
+ NIC_LINK: VTYPE_STRING,
+ }
+
+NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
+
+# Hypervisor constants
+HT_XEN_PVM = "xen-pvm"
+HT_FAKE = "fake"
+HT_XEN_HVM = "xen-hvm"
+HT_KVM = "kvm"
+HYPER_TYPES = frozenset([HT_XEN_PVM, HT_FAKE, HT_XEN_HVM, HT_KVM])
+HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
+
+VNC_BASE_PORT = 5900
+VNC_PASSWORD_FILE = _autoconf.SYSCONFDIR + "/ganeti/vnc-cluster-password"
+VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
+
+# NIC types
+HT_NIC_RTL8139 = "rtl8139"
+HT_NIC_NE2K_PCI = "ne2k_pci"
+HT_NIC_NE2K_ISA = "ne2k_isa"
+HT_NIC_I82551 = "i82551"
+HT_NIC_I85557B = "i82557b"
+HT_NIC_I8259ER = "i82559er"
+HT_NIC_PCNET = "pcnet"
+HT_NIC_E1000 = "e1000"
+HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
+
+HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
+ HT_NIC_NE2K_ISA, HT_NIC_PARAVIRTUAL])
+HT_KVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
+ HT_NIC_NE2K_ISA, HT_NIC_I82551,
+ HT_NIC_I85557B, HT_NIC_I8259ER,
+ HT_NIC_PCNET, HT_NIC_E1000,
+ HT_NIC_PARAVIRTUAL])
+# Disk types
+HT_DISK_IOEMU = "ioemu"
+HT_DISK_IDE = "ide"
+HT_DISK_SCSI = "scsi"
+HT_DISK_SD = "sd"
+HT_DISK_MTD = "mtd"
+HT_DISK_PFLASH = "pflash"
+
+HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
+HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
+ HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
+ HT_DISK_PFLASH])
+
+# Mouse types:
+HT_MOUSE_MOUSE = "mouse"
+HT_MOUSE_TABLET = "tablet"
+
+HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
+
+# Boot order
+HT_BO_CDROM = "cdrom"
+HT_BO_DISK = "disk"
+HT_BO_NETWORK = "network"
+
+HT_KVM_VALID_BO_TYPES = frozenset([HT_BO_CDROM, HT_BO_DISK, HT_BO_NETWORK])
+
+# Cluster Verify steps
+VERIFY_NPLUSONE_MEM = 'nplusone_mem'
+VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
+
+# Node verify constants
+NV_FILELIST = "filelist"
+NV_HVINFO = "hvinfo"
+NV_HYPERVISOR = "hypervisor"
+NV_INSTANCELIST = "instancelist"
+NV_LVLIST = "lvlist"
+NV_NODELIST = "nodelist"
+NV_NODENETTEST = "node-net-test"
+NV_VERSION = "version"
+NV_VGLIST = "vglist"
+NV_DRBDLIST = "drbd-list"
+
+# Allocator framework constants
+IALLOCATOR_VERSION = 2
+IALLOCATOR_DIR_IN = "in"
+IALLOCATOR_DIR_OUT = "out"
+IALLOCATOR_MODE_ALLOC = "allocate"
+IALLOCATOR_MODE_RELOC = "relocate"
+IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
+IARUN_NOTFOUND = 1
+IARUN_FAILURE = 2
+IARUN_SUCCESS = 3
+
+# Job queue
+JOB_QUEUE_VERSION = 1
+JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
+JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
+JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
+JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
+JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
+JOB_QUEUE_SIZE_HARD_LIMIT = 5000
+JOB_QUEUE_SIZE_SOFT_LIMIT = JOB_QUEUE_SIZE_HARD_LIMIT * 0.8
+
+JOB_ID_TEMPLATE = r"\d+"
+
+# unchanged job return
+JOB_NOTCHANGED = "nochange"
+
+# Job status
+JOB_STATUS_QUEUED = "queued"
+JOB_STATUS_WAITLOCK = "waiting"
+JOB_STATUS_CANCELING = "canceling"
+JOB_STATUS_RUNNING = "running"
+JOB_STATUS_CANCELED = "canceled"
+JOB_STATUS_SUCCESS = "success"
+JOB_STATUS_ERROR = "error"
+
+OP_STATUS_QUEUED = "queued"
+OP_STATUS_WAITLOCK = "waiting"
+OP_STATUS_CANCELING = "canceling"
+OP_STATUS_RUNNING = "running"
+OP_STATUS_CANCELED = "canceled"
+OP_STATUS_SUCCESS = "success"
+OP_STATUS_ERROR = "error"
+
+# Execution log types
+ELOG_MESSAGE = "message"
+ELOG_PROGRESS = "progress"
+
+# Temporary RAPI constants until we have cluster parameters
+RAPI_ENABLE = True
+RAPI_PORT = 5080
+
+# max dynamic devices
+MAX_NICS = 8
+MAX_DISKS = 16
+
+# SSCONF keys
+SS_CLUSTER_NAME = "cluster_name"
+SS_CLUSTER_TAGS = "cluster_tags"
+SS_FILE_STORAGE_DIR = "file_storage_dir"
+SS_MASTER_CANDIDATES = "master_candidates"
+SS_MASTER_IP = "master_ip"
+SS_MASTER_NETDEV = "master_netdev"
+SS_MASTER_NODE = "master_node"
+SS_NODE_LIST = "node_list"
+SS_OFFLINE_NODES = "offline_nodes"
+SS_ONLINE_NODES = "online_nodes"
+SS_INSTANCE_LIST = "instance_list"
+SS_RELEASE_VERSION = "release_version"
+
+# cluster wide default parameters
+DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
+
+HVC_DEFAULTS = {
+ HT_XEN_PVM: {
+ HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
+ HV_INITRD_PATH: '',
+ HV_ROOT_PATH: '/dev/sda1',
+ HV_KERNEL_ARGS: 'ro',
+ },
+ HT_XEN_HVM: {
+ HV_BOOT_ORDER: "cd",
+ HV_CDROM_IMAGE_PATH: '',
+ HV_NIC_TYPE: HT_NIC_RTL8139,
+ HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
+ HV_VNC_BIND_ADDRESS: '0.0.0.0',
+ HV_ACPI: True,
+ HV_PAE: True,
+ HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
+ HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
+ },
+ HT_KVM: {
+ HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
+ HV_INITRD_PATH: '',
+ HV_KERNEL_ARGS: 'ro',
+ HV_ROOT_PATH: '/dev/vda1',
+ HV_ACPI: True,
+ HV_SERIAL_CONSOLE: True,
+ HV_VNC_BIND_ADDRESS: '',
+ HV_VNC_TLS: False,
+ HV_VNC_X509: '',
+ HV_VNC_X509_VERIFY: False,
+ HV_CDROM_IMAGE_PATH: '',
+ HV_BOOT_ORDER: HT_BO_DISK,
+ HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
+ HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
+ HV_USB_MOUSE: '',
+ },
+ HT_FAKE: {
+ },
+ }
+
+BEC_DEFAULTS = {
+ BE_MEMORY: 128,
+ BE_VCPUS: 1,
+ BE_AUTO_BALANCE: True,
+ }
+
+NICC_DEFAULTS = {
+ NIC_MODE: NIC_MODE_BRIDGED,
+ NIC_LINK: DEFAULT_BRIDGE,
+ }
+
+MASTER_POOL_SIZE_DEFAULT = 10