X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/4d2cdb5a001dfd5a0d16a845a8d925261b28cb1e..8c72ab2bf99249079910a9f9c7c792c6f9c4f792:/lib/constants.py

diff --git a/lib/constants.py b/lib/constants.py
index 80d32fd..e65eef0 100644
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -99,6 +99,27 @@ CONFD_GROUP = _autoconf.CONFD_GROUP
 NODED_USER = _autoconf.NODED_USER
 NODED_GROUP = _autoconf.NODED_GROUP
 
+# cpu pinning separators and constants
+CPU_PINNING_SEP = ":"
+CPU_PINNING_ALL = "all"
+# internal representation of "all"
+CPU_PINNING_ALL_VAL = -1
+# one "all" entry in a CPU list means CPU pinning is off
+CPU_PINNING_OFF = [CPU_PINNING_ALL_VAL]
+
+# A Xen-specific implementation detail - there is no way to actually say
+# "use any cpu for pinning" in a Xen configuration file, as opposed to the
+# command line, where you can say "xm vcpu-pin <domain> <vcpu> all".
+# The workaround used in Xen is "0-63" (see source code function
+# xm_vcpu_pin in <xen-source>/tools/python/xen/xm/main.py).
+# To support future changes, the following constant is treated as a
+# blackbox string that simply means use-any-cpu-for-pinning-under-xen.
+CPU_PINNING_ALL_XEN = "0-63"
+
+# A KVM-specific implementation detail - the following value is used
+# to set CPU affinity to all processors (#0 through #31), per taskset
+# man page.
+CPU_PINNING_ALL_KVM = 0xFFFFFFFF
 
 # Wipe
 DD_CMD = "dd"
@@ -139,6 +160,8 @@ CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
 NODED_CERT_FILE = DATA_DIR + "/server.pem"
 RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
 CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
+SPICE_CERT_FILE = DATA_DIR + "/spice.pem"
+SPICE_CACERT_FILE = DATA_DIR + "/spice-ca.pem"
 CLUSTER_DOMAIN_SECRET_FILE = DATA_DIR + "/cluster-domain-secret"
 INSTANCE_STATUS_FILE = RUN_GANETI_DIR + "/instance-status"
 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
@@ -157,6 +180,8 @@ ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
 SYSCONFDIR = _autoconf.SYSCONFDIR
 TOOLSDIR = _autoconf.TOOLSDIR
 CONF_DIR = SYSCONFDIR + "/ganeti"
+USER_SCRIPTS_DIR = CONF_DIR + "/scripts"
+ENABLE_CONFD = _autoconf.ENABLE_CONFD
 
 #: Lock file for watcher, locked in shared mode by watcher; lock in exclusive
 # mode to block watcher (see L{cli._RunWhileClusterStoppedHelper.Call}
@@ -172,7 +197,16 @@ WATCHER_GROUP_INSTANCE_STATUS_FILE = DATA_DIR + "/watcher.%s.instance-status"
 #: File containing Unix timestamp until which watcher should be paused
 WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
 
-ALL_CERT_FILES = frozenset([NODED_CERT_FILE, RAPI_CERT_FILE])
+# Master IP address setup scripts paths (default and user-provided)
+DEFAULT_MASTER_SETUP_SCRIPT = TOOLSDIR + "/master-ip-setup"
+EXTERNAL_MASTER_SETUP_SCRIPT = USER_SCRIPTS_DIR + "/master-ip-setup"
+
+ALL_CERT_FILES = frozenset([
+  NODED_CERT_FILE,
+  RAPI_CERT_FILE,
+  SPICE_CERT_FILE,
+  SPICE_CACERT_FILE,
+  ])
 
 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
 
@@ -242,6 +276,7 @@ EXPORT_CONF_FILE = "config.ini"
 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
 XEN_KERNEL = _autoconf.XEN_KERNEL
 XEN_INITRD = _autoconf.XEN_INITRD
+XEN_CMD = "xm"
 
 KVM_PATH = _autoconf.KVM_PATH
 SOCAT_PATH = _autoconf.SOCAT_PATH
@@ -331,6 +366,7 @@ HOOKS_PHASE_POST = "post"
 HOOKS_NAME_CFGUPDATE = "config-update"
 HOOKS_NAME_WATCHER = "watcher"
 HOOKS_VERSION = 2
+HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
 
 # hooks subject type (what object type does the LU deal with)
 HTYPE_CLUSTER = "CLUSTER"
@@ -674,6 +710,14 @@ HV_VNC_X509_VERIFY = "vnc_x509_verify"
 HV_KVM_SPICE_BIND = "spice_bind"
 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
+HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
+HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
+HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
+HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
+HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
+HV_KVM_SPICE_USE_TLS = "spice_use_tls"
+HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
+HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
 HV_ACPI = "acpi"
 HV_PAE = "pae"
 HV_USE_BOOTLOADER = "use_bootloader"
@@ -720,6 +764,14 @@ HVS_PARAMETER_TYPES = {
   HV_KVM_SPICE_BIND: VTYPE_STRING,
   HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
   HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
+  HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
+  HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
+  HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
+  HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
+  HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
+  HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
+  HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
+  HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
   HV_ACPI: VTYPE_BOOL,
   HV_PAE: VTYPE_BOOL,
   HV_USE_BOOTLOADER: VTYPE_BOOL,
@@ -753,13 +805,71 @@ HVS_PARAMETER_TYPES = {
 
 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
 
+# Migration statuses
+HV_MIGRATION_COMPLETED = "completed"
+HV_MIGRATION_ACTIVE = "active"
+HV_MIGRATION_FAILED = "failed"
+HV_MIGRATION_CANCELLED = "cancelled"
+
+HV_MIGRATION_VALID_STATUSES = frozenset([
+  HV_MIGRATION_COMPLETED,
+  HV_MIGRATION_ACTIVE,
+  HV_MIGRATION_FAILED,
+  HV_MIGRATION_CANCELLED,
+  ])
+
+HV_MIGRATION_FAILED_STATUSES = frozenset([
+  HV_MIGRATION_FAILED,
+  HV_MIGRATION_CANCELLED,
+  ])
+
+# KVM-specific statuses
+HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
+
+# Node info keys
+HV_NODEINFO_KEY_VERSION = "hv_version"
+
+# Hypervisor state
+HVST_MEMORY_TOTAL = "mem_total"
+HVST_MEMORY_NODE = "mem_node"
+HVST_MEMORY_HV = "mem_hv"
+HVST_CPU_TOTAL = "cpu_total"
+HVST_CPU_NODE = "cpu_node"
+
+HVSTS_PARAMETER_TYPES = {
+  HVST_MEMORY_TOTAL: VTYPE_INT,
+  HVST_MEMORY_NODE: VTYPE_INT,
+  HVST_MEMORY_HV: VTYPE_INT,
+  HVST_CPU_TOTAL: VTYPE_INT,
+  HVST_CPU_NODE: VTYPE_INT,
+  }
+
+HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
+
+# Disk state
+DS_DISK_TOTAL = "disk_total"
+DS_DISK_RESERVED = "disk_reserved"
+DS_DISK_OVERHEAD = "disk_overhead"
+
+DSS_PARAMETER_TYPES = {
+  DS_DISK_TOTAL: VTYPE_INT,
+  DS_DISK_RESERVED: VTYPE_INT,
+  DS_DISK_OVERHEAD: VTYPE_INT,
+  }
+
+DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
+
 # Backend parameter names
-BE_MEMORY = "memory"
+BE_MEMORY = "memory" # deprecated and replaced by max and min mem
+BE_MAXMEM = "maxmem"
+BE_MINMEM = "minmem"
 BE_VCPUS = "vcpus"
 BE_AUTO_BALANCE = "auto_balance"
 
 BES_PARAMETER_TYPES = {
     BE_MEMORY: VTYPE_SIZE,
+    BE_MAXMEM: VTYPE_SIZE,
+    BE_MINMEM: VTYPE_SIZE,
     BE_VCPUS: VTYPE_INT,
     BE_AUTO_BALANCE: VTYPE_BOOL,
     }
@@ -953,6 +1063,45 @@ HT_KVM_VALID_BO_TYPES = frozenset([
   HT_BO_NETWORK
   ])
 
+# SPICE lossless image compression options
+HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
+HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
+HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
+HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
+HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
+HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
+
+HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = frozenset([
+  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
+  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
+  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
+  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
+  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
+  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
+  ])
+
+# SPICE lossy image compression options (valid for both jpeg and zlib-glz)
+HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
+HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
+HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
+
+HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = frozenset([
+  HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
+  HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
+  HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
+  ])
+
+# SPICE video stream detection
+HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
+HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
+HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
+
+HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = frozenset([
+  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
+  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
+  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
+  ])
+
 # Security models
 HT_SM_NONE = "none"
 HT_SM_USER = "user"
@@ -975,6 +1124,118 @@ HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
 VERIFY_NPLUSONE_MEM = "nplusone_mem"
 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
 
+# Cluster Verify error classes
+CV_TCLUSTER = "cluster"
+CV_TNODE = "node"
+CV_TINSTANCE = "instance"
+
+# Cluster Verify error codes and documentation
+CV_ECLUSTERCFG = \
+  (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
+CV_ECLUSTERCERT = \
+  (CV_TCLUSTER, "ECLUSTERCERT",
+   "Cluster certificate files verification failure")
+CV_ECLUSTERFILECHECK = \
+  (CV_TCLUSTER, "ECLUSTERFILECHECK",
+   "Cluster configuration verification failure")
+CV_ECLUSTERDANGLINGNODES = \
+  (CV_TNODE, "ECLUSTERDANGLINGNODES",
+   "Some nodes belong to non-existing groups")
+CV_ECLUSTERDANGLINGINST = \
+  (CV_TNODE, "ECLUSTERDANGLINGINST",
+   "Some instances have a non-existing primary node")
+CV_EINSTANCEBADNODE = \
+  (CV_TINSTANCE, "EINSTANCEBADNODE",
+   "Instance marked as running lives on an offline node")
+CV_EINSTANCEDOWN = \
+  (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
+CV_EINSTANCELAYOUT = \
+  (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
+CV_EINSTANCEMISSINGDISK = \
+  (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
+CV_EINSTANCEFAULTYDISK = \
+  (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
+   "Impossible to retrieve status for a disk")
+CV_EINSTANCEWRONGNODE = \
+  (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
+CV_EINSTANCESPLITGROUPS = \
+  (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
+   "Instance with primary and secondary nodes in different groups")
+CV_ENODEDRBD = \
+  (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
+CV_ENODEDRBDHELPER = \
+  (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
+CV_ENODEFILECHECK = \
+  (CV_TNODE, "ENODEFILECHECK",
+   "Error retrieving the checksum of the node files")
+CV_ENODEHOOKS = \
+  (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
+CV_ENODEHV = \
+  (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
+CV_ENODELVM = \
+  (CV_TNODE, "ENODELVM", "LVM-related node error")
+CV_ENODEN1 = \
+  (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
+CV_ENODENET = \
+  (CV_TNODE, "ENODENET", "Network-related node error")
+CV_ENODEOS = \
+  (CV_TNODE, "ENODEOS", "OS-related node error")
+CV_ENODEORPHANINSTANCE = \
+  (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
+CV_ENODEORPHANLV = \
+  (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
+CV_ENODERPC = \
+  (CV_TNODE, "ENODERPC",
+   "Error during connection to the primary node of an instance")
+CV_ENODESSH = \
+  (CV_TNODE, "ENODESSH", "SSH-related node error")
+CV_ENODEVERSION = \
+  (CV_TNODE, "ENODEVERSION",
+   "Protocol version mismatch or Ganeti version mismatch")
+CV_ENODESETUP = \
+  (CV_TNODE, "ENODESETUP", "Node setup error")
+CV_ENODETIME = \
+  (CV_TNODE, "ENODETIME", "Node returned invalid time")
+CV_ENODEOOBPATH = \
+  (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
+CV_ENODEUSERSCRIPTS = \
+  (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
+
+CV_ALL_ECODES = frozenset([
+  CV_ECLUSTERCFG,
+  CV_ECLUSTERCERT,
+  CV_ECLUSTERFILECHECK,
+  CV_ECLUSTERDANGLINGNODES,
+  CV_ECLUSTERDANGLINGINST,
+  CV_EINSTANCEBADNODE,
+  CV_EINSTANCEDOWN,
+  CV_EINSTANCELAYOUT,
+  CV_EINSTANCEMISSINGDISK,
+  CV_EINSTANCEFAULTYDISK,
+  CV_EINSTANCEWRONGNODE,
+  CV_EINSTANCESPLITGROUPS,
+  CV_ENODEDRBD,
+  CV_ENODEDRBDHELPER,
+  CV_ENODEFILECHECK,
+  CV_ENODEHOOKS,
+  CV_ENODEHV,
+  CV_ENODELVM,
+  CV_ENODEN1,
+  CV_ENODENET,
+  CV_ENODEOS,
+  CV_ENODEORPHANINSTANCE,
+  CV_ENODEORPHANLV,
+  CV_ENODERPC,
+  CV_ENODESSH,
+  CV_ENODEVERSION,
+  CV_ENODESETUP,
+  CV_ENODETIME,
+  CV_ENODEOOBPATH,
+  CV_ENODEUSERSCRIPTS,
+  ])
+
+CV_ALL_ECODES_STRINGS = frozenset(estr for (_, estr, _) in CV_ALL_ECODES)
+
 # Node verify constants
 NV_DRBDHELPER = "drbd-helper"
 NV_DRBDLIST = "drbd-list"
@@ -996,10 +1257,12 @@ NV_VGLIST = "vglist"
 NV_VMNODES = "vmnodes"
 NV_OOB_PATHS = "oob-paths"
 NV_BRIDGES = "bridges"
+NV_USERSCRIPTS = "user-scripts"
 
 # Instance status
 INSTST_RUNNING = "running"
 INSTST_ADMINDOWN = "ADMIN_down"
+INSTST_ADMINOFFLINE = "ADMIN_offline"
 INSTST_NODEOFFLINE = "ERROR_nodeoffline"
 INSTST_NODEDOWN = "ERROR_nodedown"
 INSTST_WRONGNODE = "ERROR_wrongnode"
@@ -1008,6 +1271,7 @@ INSTST_ERRORDOWN = "ERROR_down"
 INSTST_ALL = frozenset([
   INSTST_RUNNING,
   INSTST_ADMINDOWN,
+  INSTST_ADMINOFFLINE,
   INSTST_NODEOFFLINE,
   INSTST_NODEDOWN,
   INSTST_WRONGNODE,
@@ -1015,6 +1279,16 @@ INSTST_ALL = frozenset([
   INSTST_ERRORDOWN,
   ])
 
+# Admin states
+ADMINST_UP = "up"
+ADMINST_DOWN = "down"
+ADMINST_OFFLINE = "offline"
+ADMINST_ALL = frozenset([
+  ADMINST_UP,
+  ADMINST_DOWN,
+  ADMINST_OFFLINE,
+  ])
+
 # Node roles
 NR_REGULAR = "R"
 NR_MASTER = "M"
@@ -1236,6 +1510,7 @@ SS_MASTER_CANDIDATES = "master_candidates"
 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
 SS_MASTER_IP = "master_ip"
 SS_MASTER_NETDEV = "master_netdev"
+SS_MASTER_NETMASK = "master_netmask"
 SS_MASTER_NODE = "master_node"
 SS_NODE_LIST = "node_list"
 SS_NODE_PRIMARY_IPS = "node_primary_ips"
@@ -1268,6 +1543,7 @@ HVC_DEFAULTS = {
     HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
     HV_BLOCKDEV_PREFIX: "sd",
     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
+    HV_CPU_MASK: CPU_PINNING_ALL,
     },
   HT_XEN_HVM: {
     HV_BOOT_ORDER: "cd",
@@ -1285,6 +1561,7 @@ HVC_DEFAULTS = {
     HV_USE_LOCALTIME: False,
     HV_BLOCKDEV_PREFIX: "hd",
     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
+    HV_CPU_MASK: CPU_PINNING_ALL,
     },
   HT_KVM: {
     HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
@@ -1301,6 +1578,14 @@ HVC_DEFAULTS = {
     HV_KVM_SPICE_BIND: "",
     HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
     HV_KVM_SPICE_PASSWORD_FILE: "",
+    HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
+    HV_KVM_SPICE_JPEG_IMG_COMPR: "",
+    HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
+    HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
+    HV_KVM_SPICE_AUDIO_COMPR: True,
+    HV_KVM_SPICE_USE_TLS: False,
+    HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
+    HV_KVM_SPICE_USE_VDAGENT: True,
     HV_KVM_FLOPPY_IMAGE_PATH: "",
     HV_CDROM_IMAGE_PATH: "",
     HV_KVM_CDROM2_IMAGE_PATH: "",
@@ -1323,6 +1608,7 @@ HVC_DEFAULTS = {
     HV_KVM_USE_CHROOT: False,
     HV_MEM_PATH: "",
     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
+    HV_CPU_MASK: CPU_PINNING_ALL,
     },
   HT_FAKE: {
     },
@@ -1342,6 +1628,8 @@ HVC_GLOBALS = frozenset([
 
 BEC_DEFAULTS = {
   BE_MEMORY: 128,
+  BE_MINMEM: 128,
+  BE_MAXMEM: 128,
   BE_VCPUS: 1,
   BE_AUTO_BALANCE: True,
   }
@@ -1471,7 +1759,18 @@ VALID_ALLOC_POLICIES = [
 # Temporary external/shared storage parameters
 BLOCKDEV_DRIVER_MANUAL = "manual"
 
+# qemu-img path, required for ovfconverter
+QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
+
 # Whether htools was enabled at compilation time
 HTOOLS = _autoconf.HTOOLS
 # The hail iallocator
 IALLOC_HAIL = "hail"
+
+# Fake opcodes for functions that have hooks attached to them via
+# backend.RunLocalHooks
+FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
+FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
+
+# Do not re-export imported modules
+del re, _vcsversion, _autoconf