X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/f491c3a8d1ee8ec64625f694a76492e5c3cafbea..0b38cf6e7025dc90515391e074cfd25aac012f67:/lib/constants.py

diff --git a/lib/constants.py b/lib/constants.py
index a495ba5..424fbb5 100644
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#
 #
 
 # Copyright (C) 2006, 2007 Google Inc.
@@ -24,40 +24,131 @@
 from ganeti import _autoconf
 
 # various versions
-CONFIG_VERSION = 3
-PROTOCOL_VERSION = 2
+PROTOCOL_VERSION = 13
 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
 OS_API_VERSION = 5
 EXPORT_VERSION = 0
+RAPI_VERSION = 2
+
+
+# Format for CONFIG_VERSION:
+#   01 03 0123 = 01030123
+#   ^^ ^^ ^^^^
+#   |  |  + Configuration version/revision
+#   |  + Minor version
+#   + Major version
+#
+# It stored as an integer. Make sure not to write an octal number.
+
+# BuildVersion and SplitVersion must be in here because we can't import other
+# modules. The cfgupgrade tool must be able to read and write version numbers
+# and thus requires these functions. To avoid code duplication, they're kept in
+# here.
+
+def BuildVersion(major, minor, revision):
+  """Calculates int version number from major, minor and revision numbers.
+
+  Returns: int representing version number
+
+  """
+  assert isinstance(major, int)
+  assert isinstance(minor, int)
+  assert isinstance(revision, int)
+  return (1000000 * major +
+            10000 * minor +
+                1 * revision)
+
+
+def SplitVersion(version):
+  """Splits version number stored in an int.
+
+  Returns: tuple; (major, minor, revision)
+
+  """
+  assert isinstance(version, int)
 
+  (major, remainder) = divmod(version, 1000000)
+  (minor, revision) = divmod(remainder, 10000)
+
+  return (major, minor, revision)
+
+
+CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
+CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
+CONFIG_REVISION = 0
+CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
 
 # file paths
 DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
+RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
+RUN_GANETI_DIR = RUN_DIR + "/ganeti"
+BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
+DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
+# keep RUN_GANETI_DIR first here, to make sure all get created when the node
+# daemon is started (this takes care of RUN_DIR being tmpfs)
+SUB_RUN_DIRS = [ RUN_GANETI_DIR, BDEV_CACHE_DIR, DISK_LINKS_DIR ]
+LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
 SSL_CERT_FILE = DATA_DIR + "/server.pem"
-WATCHER_STATEFILE = DATA_DIR + "/restart_state"
+WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
+CLUSTER_PASSWORD_FILE = DATA_DIR + "/ssconf_node_pass"
+QUEUE_DIR = DATA_DIR + "/queue"
+ETC_HOSTS = "/etc/hosts"
+DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
+
+# Quoting unix(7) on Linux:
+#   Linux also supports an abstract namespace which is independent of the file
+#   system. [...] If sun_path starts with a null byte ('\0'), then it refers to
+#   the abstract namespace maintained by the Unix protocol module. The socket's
+#   address in this namespace is given by the rest of the bytes in sun_path.
+#
+# By using this Linux-specific way we don't have to care about removing the
+# socket file when quitting or starting (after an unclean shutdown).
+#
+# Sample output for "netstat -nlp":
+#   unix 2 [ ACC ] STREAM LISTENING 247919 1234/python @ganeti-master
+MASTER_SOCKET = "\0ganeti-master"
+
+# PID files
+MASTERD_PID = "ganeti-masterd"
+NODED_PID = "ganeti-noded"
+RAPI_PID = "ganeti-rapi"
 
 NODE_INITD_SCRIPT = _autoconf.SYSCONFDIR + "/init.d/ganeti"
-SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
 DEFAULT_NODED_PORT = 1811
 FIRST_DRBD_PORT = 11000
 LAST_DRBD_PORT = 14999
 MASTER_SCRIPT = "ganeti-master"
 
-LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti"
-LOG_OS_DIR = LOG_DIR + "/os"
-LOG_NODESERVER = LOG_DIR + "/node-daemon.log"
+LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
+LOG_OS_DIR = LOG_DIR + "os"
+LOG_NODESERVER = LOG_DIR + "node-daemon.log"
+LOG_WATCHER = LOG_DIR + "watcher.log"
+LOG_MASTERDAEMON = LOG_DIR + "master-daemon.log"
+LOG_RAPISERVER = LOG_DIR + "rapi-daemon.log"
+LOG_RAPIACCESS = LOG_DIR + "rapi-access.log"
+LOG_COMMANDS = LOG_DIR + "commands.log"
+LOG_BURNIN = LOG_DIR + "burnin.log"
 
-OS_DIR = "/srv/ganeti/os"
-EXPORT_DIR = "/srv/ganeti/export"
+OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
+EXPORT_DIR = _autoconf.EXPORT_DIR
 
 EXPORT_CONF_FILE = "config.ini"
 
+XEN_KERNEL = _autoconf.XEN_KERNEL
+XEN_INITRD = _autoconf.XEN_INITRD
+
+KVM_PATH = _autoconf.KVM_PATH
+
+VALUE_DEFAULT = "default"
+VALUE_NONE = "none"
+
 # hooks-related constants
 HOOKS_BASE_DIR = _autoconf.SYSCONFDIR + "/ganeti/hooks"
 HOOKS_PHASE_PRE = "pre"
 HOOKS_PHASE_POST = "post"
+HOOKS_NAME_CFGUPDATE = "config-update"
 HOOKS_VERSION = 1
 
 # hooks subject type (what object type does the LU deal with)
@@ -72,23 +163,59 @@ HKR_SUCCESS = 2
 # disk template types
 DT_DISKLESS = "diskless"
 DT_PLAIN = "plain"
-DT_LOCAL_RAID1 = "local_raid1"
-DT_REMOTE_RAID1 = "remote_raid1"
+DT_DRBD8 = "drbd"
+DT_FILE = "file"
+
+# the set of network-mirrored disk templates
+DTS_NET_MIRROR = frozenset([DT_DRBD8])
 
-# instance creation modem
+# the set of non-lvm-based disk templates
+DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
+
+# logical disk types
+LD_LV = "lvm"
+LD_DRBD8 = "drbd8"
+LD_FILE = "file"
+
+# drbd constants
+DRBD_HMAC_ALG = "md5"
+DRBD_NET_PROTOCOL = "C"
+
+# file backend driver
+FD_LOOP = "loop"
+FD_BLKTAP = "blktap"
+
+# the set of drbd-like disk types
+LDS_DRBD = frozenset([LD_DRBD8])
+
+# disk replacement mode
+REPLACE_DISK_PRI = "replace_primary"
+REPLACE_DISK_SEC = "replace_secondary"
+REPLACE_DISK_ALL = "replace_all"
+
+# lock recalculate mode
+LOCKS_REPLACE = 'replace'
+LOCKS_APPEND = 'append'
+
+# instance creation modes
 INSTANCE_CREATE = "create"
 INSTANCE_IMPORT = "import"
 
 DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
-                            DT_LOCAL_RAID1, DT_REMOTE_RAID1])
+                            DT_DRBD8, DT_FILE])
+
+FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
 
 # import/export config options
 INISECT_EXP = "export"
 INISECT_INS = "instance"
 
 # 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"
@@ -100,3 +227,98 @@ MAX_TAGS_PER_OBJ = 4096
 # others
 DEFAULT_BRIDGE = "xen-br0"
 SYNC_SPEED = 30 * 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
+
+# valid os status
+OS_VALID_STATUS = "VALID"
+
+# 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"
+
+# Hypervisor constants
+HT_XEN_PVM30 = "xen-3.0"
+HT_FAKE = "fake"
+HT_XEN_HVM31 = "xen-hvm-3.1"
+HT_KVM = "kvm"
+HYPER_TYPES = frozenset([HT_XEN_PVM30, HT_FAKE, HT_XEN_HVM31, HT_KVM])
+HTS_REQ_PORT = frozenset([HT_XEN_HVM31])
+
+HT_HVM_VNC_BASE_PORT = 5900
+HT_HVM_DEFAULT_BOOT_ORDER = 'dc'
+VNC_PASSWORD_FILE = _autoconf.SYSCONFDIR + "/ganeti/vnc-cluster-password"
+VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
+
+# HVM NIC types
+HT_HVM_NIC_RTL8139 = "rtl8139"
+HT_HVM_NIC_NE2K_PCI = "ne2k_pci"
+HT_HVM_NIC_NE2K_ISA = "ne2k_isa"
+HT_HVM_DEV_PARAVIRTUAL = "paravirtual"
+HT_HVM_DEV_IOEMU = "ioemu"
+HT_HVM_VALID_NIC_TYPES = frozenset([HT_HVM_NIC_RTL8139, HT_HVM_NIC_NE2K_PCI,
+                                    HT_HVM_NIC_NE2K_ISA,
+                                    HT_HVM_DEV_PARAVIRTUAL])
+HT_HVM_VALID_DISK_TYPES = frozenset([HT_HVM_DEV_PARAVIRTUAL, HT_HVM_DEV_IOEMU])
+
+# Cluster Verify steps
+VERIFY_NPLUSONE_MEM = 'nplusone_mem'
+VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
+
+# Allocator framework constants
+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_ID_TEMPLATE = r"\d+"
+
+# unchanged job return
+JOB_NOTCHANGED = "nochange"
+
+# Job status
+JOB_STATUS_QUEUED = "queued"
+JOB_STATUS_RUNNING = "running"
+JOB_STATUS_CANCELED = "canceled"
+JOB_STATUS_SUCCESS = "success"
+JOB_STATUS_ERROR = "error"
+
+OP_STATUS_QUEUED = "queued"
+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