"""Module holding different constants."""
+import re
+
from ganeti import _autoconf
# various versions
RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
HMAC_CLUSTER_KEY = DATA_DIR + "/hmac.key"
WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
+WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
INSTANCE_UPFILE = RUN_GANETI_DIR + "/instance-status"
SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
RAPI_USERS_FILE = DATA_DIR + "/rapi_users"
QUEUE_DIR = DATA_DIR + "/queue"
+DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
ETC_HOSTS = "/etc/hosts"
DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
SYSCONFDIR = _autoconf.SYSCONFDIR
+TOOLSDIR = _autoconf.TOOLSDIR
CONF_DIR = SYSCONFDIR + "/ganeti"
MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
-NODE_INITD_SCRIPT = SYSCONFDIR + "/init.d/ganeti"
-
NODED = "ganeti-noded"
CONFD = "ganeti-confd"
RAPI = "ganeti-rapi"
LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
DAEMONS_LOGFILES = {
- # "daemon-name": "logfile"
- NODED: LOG_DIR + "node-daemon.log",
- CONFD: LOG_DIR + "conf-daemon.log",
- RAPI: LOG_DIR + "rapi-daemon.log",
- MASTERD: LOG_DIR + "master-daemon.log",
-}
+ # "daemon-name": "logfile"
+ NODED: LOG_DIR + "node-daemon.log",
+ CONFD: LOG_DIR + "conf-daemon.log",
+ RAPI: LOG_DIR + "rapi-daemon.log",
+ MASTERD: LOG_DIR + "master-daemon.log",
+ }
LOG_OS_DIR = LOG_DIR + "os"
LOG_WATCHER = LOG_DIR + "watcher.log"
LOG_COMMANDS = LOG_DIR + "commands.log"
EXPORT_CONF_FILE = "config.ini"
+XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
XEN_KERNEL = _autoconf.XEN_KERNEL
XEN_INITRD = _autoconf.XEN_INITRD
KVM_PATH = _autoconf.KVM_PATH
SOCAT_PATH = _autoconf.SOCAT_PATH
-KVM_MIGRATION_PORT = _autoconf.KVM_MIGRATION_PORT
+SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
+SOCAT_ESCAPE_CODE = "0x1d"
VALUE_DEFAULT = "default"
VALUE_AUTO = "auto"
VALUE_TRUE = "true"
VALUE_FALSE = "false"
+# External script validation mask
+EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
+
# hooks-related constants
HOOKS_BASE_DIR = CONF_DIR + "/hooks"
HOOKS_PHASE_PRE = "pre"
ST_LVM_VG = "lvm-vg"
# Storage fields
+# first two are valid in LU context only, not passed to backend
+SF_NODE = "node"
+SF_TYPE = "type"
+# and the rest are valid in backend
SF_NAME = "name"
SF_SIZE = "size"
SF_FREE = "free"
SF_USED = "used"
SF_ALLOCATABLE = "allocatable"
+# Storage operations
+SO_FIX_CONSISTENCY = "fix-consistency"
+
# Available fields per storage type
-VALID_STORAGE_FIELDS = {
- ST_FILE: frozenset([SF_NAME, SF_USED, SF_FREE]),
- ST_LVM_PV: frozenset([SF_NAME, SF_SIZE, SF_USED, SF_FREE, SF_ALLOCATABLE]),
- ST_LVM_VG: frozenset([SF_NAME, SF_SIZE]),
- }
+VALID_STORAGE_FIELDS = frozenset([SF_NAME, SF_TYPE, SF_SIZE,
+ SF_USED, SF_FREE, SF_ALLOCATABLE])
+
+VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
MODIFIABLE_STORAGE_FIELDS = {
ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
}
VALID_STORAGE_OPERATIONS = {
+ ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
}
# Local disk status
MIN_VG_SIZE = 20480
DEFAULT_MAC_PREFIX = "aa:00:00"
LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
+# default maximum instance wait time, in seconds.
+DEFAULT_SHUTDOWN_TIMEOUT = 120
+NODE_MAX_CLOCK_SKEW = 150
# RPC constants
(RPC_ENCODING_NONE,
OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
+OS_API_FILE = 'ganeti_api_version'
+OS_VARIANTS_FILE = 'variants.list'
+
# 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"
HV_NIC_TYPE = "nic_type"
HV_DISK_TYPE = "disk_type"
HV_VNC_BIND_ADDRESS = "vnc_bind_address"
+HV_VNC_PASSWORD_FILE = "vnc_password_file"
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_USE_BOOTLOADER = "use_bootloader"
+HV_BOOTLOADER_ARGS = "bootloader_args"
+HV_BOOTLOADER_PATH = "bootloader_path"
HV_KERNEL_ARGS = "kernel_args"
HV_KERNEL_PATH = "kernel_path"
HV_INITRD_PATH = "initrd_path"
HV_USB_MOUSE = "usb_mouse"
HV_DEVICE_MODEL = "device_model"
HV_INIT_SCRIPT = "init_script"
+HV_MIGRATION_PORT = "migration_port"
+HV_USE_LOCALTIME = "use_localtime"
+HV_DISK_CACHE = "disk_cache"
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_PASSWORD_FILE: 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_USE_BOOTLOADER: VTYPE_BOOL,
+ HV_BOOTLOADER_PATH: VTYPE_STRING,
+ HV_BOOTLOADER_ARGS: VTYPE_STRING,
HV_KERNEL_PATH: VTYPE_STRING,
HV_KERNEL_ARGS: VTYPE_STRING,
HV_INITRD_PATH: VTYPE_STRING,
HV_USB_MOUSE: VTYPE_STRING,
HV_DEVICE_MODEL: VTYPE_STRING,
HV_INIT_SCRIPT: VTYPE_STRING,
+ HV_MIGRATION_PORT: VTYPE_INT,
+ HV_USE_LOCALTIME: VTYPE_BOOL,
+ HV_DISK_CACHE: VTYPE_STRING,
}
HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
HT_DISK_MTD = "mtd"
HT_DISK_PFLASH = "pflash"
+HT_CACHE_DEFAULT = "default"
+HT_CACHE_NONE = "none"
+HT_CACHE_WTHROUGH = "writethrough"
+HT_CACHE_WBACK = "writeback"
+HT_VALID_CACHE_TYPES = frozenset([HT_CACHE_DEFAULT,
+ HT_CACHE_NONE,
+ HT_CACHE_WTHROUGH,
+ HT_CACHE_WBACK])
+
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,
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_LVLIST = "lvlist"
+NV_PVLIST = "pvlist"
NV_DRBDLIST = "drbd-list"
+NV_NODESETUP = "nodesetup"
+NV_TIME = "time"
# Allocator framework constants
IALLOCATOR_VERSION = 2
HVC_DEFAULTS = {
HT_XEN_PVM: {
+ HV_USE_BOOTLOADER: False,
+ HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
+ HV_BOOTLOADER_ARGS: '',
HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
HV_INITRD_PATH: '',
HV_ROOT_PATH: '/dev/sda1',
HV_KERNEL_ARGS: 'ro',
+ HV_MIGRATION_PORT: 8002,
},
HT_XEN_HVM: {
HV_BOOT_ORDER: "cd",
HV_NIC_TYPE: HT_NIC_RTL8139,
HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
HV_VNC_BIND_ADDRESS: '0.0.0.0',
+ HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
HV_ACPI: True,
HV_PAE: True,
HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
+ HV_MIGRATION_PORT: 8002,
+ HV_USE_LOCALTIME: False,
},
HT_KVM: {
HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
HV_VNC_TLS: False,
HV_VNC_X509: '',
HV_VNC_X509_VERIFY: False,
+ HV_VNC_PASSWORD_FILE: '',
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: '',
+ HV_MIGRATION_PORT: 8102,
+ HV_USE_LOCALTIME: False,
+ HV_DISK_CACHE: HT_CACHE_DEFAULT,
},
HT_FAKE: {
},
},
}
+HVC_GLOBALS = frozenset([
+ HV_MIGRATION_PORT,
+ ])
+
BEC_DEFAULTS = {
BE_MEMORY: 128,
BE_VCPUS: 1,
CONFD_REQ_PING = 0
CONFD_REQ_NODE_ROLE_BYNAME = 1
CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
+CONFD_REQ_CLUSTER_MASTER = 3
+CONFD_REQ_NODE_PIP_LIST = 4
+CONFD_REQ_MC_PIP_LIST = 5
+CONFD_REQ_INSTANCES_IPS_LIST = 6
+
+# Confd request query fields. These are used to narrow down queries.
+# These must be strings rather than integers, because json-encoding
+# converts them to strings anyway, as they're used as dict-keys.
+CONFD_REQQ_LINK = "0"
+CONFD_REQQ_IP = "1"
+CONFD_REQQ_IPLIST = "2"
+CONFD_REQQ_FIELDS = "3"
+
+CONFD_REQFIELD_NAME = "0"
+CONFD_REQFIELD_IP = "1"
+CONFD_REQFIELD_MNODE_PIP = "2"
CONFD_REQS = frozenset([
CONFD_REQ_PING,
CONFD_REQ_NODE_ROLE_BYNAME,
CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
+ CONFD_REQ_CLUSTER_MASTER,
+ CONFD_REQ_NODE_PIP_LIST,
+ CONFD_REQ_MC_PIP_LIST,
+ CONFD_REQ_INSTANCES_IPS_LIST,
])
CONFD_REPL_STATUS_OK = 0
# A few common errors for confd
CONFD_ERROR_UNKNOWN_ENTRY = 1
CONFD_ERROR_INTERNAL = 2
+CONFD_ERROR_ARGUMENT = 3
# Each request is "salted" by the current timestamp.
# This constants decides how many seconds of skew to accept.
# TODO: make this a default and allow the value to be more configurable
-CONFD_MAX_CLOCK_SKEW = 300
+CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
+
+# When we haven't reloaded the config for more than this amount of seconds, we
+# force a test to see if inotify is betraying us.
+CONFD_CONFIG_RELOAD_TIMEOUT = 60
+
+# If we receive more than one update in this amount of seconds, we move to
+# polling every RATELIMIT seconds, rather than relying on inotify, to be able
+# to serve more requests.
+CONFD_CONFIG_RELOAD_RATELIMIT = 2
+
+# Magic number prepended to all confd queries.
+# This allows us to distinguish different types of confd protocols and handle
+# them. For example by changing this we can move the whole payload to be
+# compressed, or move away from json.
+CONFD_MAGIC_FOURCC = 'plj0'
+
+# By default a confd request is sent to the minimum between this number and all
+# MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
+# we should have enough answers to be able to compare more than one.
+CONFD_DEFAULT_REQ_COVERAGE = 6
+
+# Timeout in seconds to expire pending query request in the confd client
+# library. We don't actually expect any answer more than 10 seconds after we
+# sent a request.
+CONFD_CLIENT_EXPIRE_TIMEOUT = 10
+
+# Maximum UDP datagram size.
+# On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
+# On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
+# (assuming we can't use jumbo frames)
+# We just set this to 60K, which should be enough
+MAX_UDP_DATA_SIZE = 61440
projects / ganeti-local / blobdiff