X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/1e28e3b8f156055fab703d33690999d463777d85..9a8ae794db0f1aded3bb0e86892fa248b624b9d2:/lib/constants.py

diff --git a/lib/constants.py b/lib/constants.py
index 63c4880..973914b 100644
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -120,6 +120,7 @@ CRYPTO_KEYS_DIR = RUN_GANETI_DIR + "/crypto"
 CRYPTO_KEYS_DIR_MODE = SECURE_DIR_MODE
 IMPORT_EXPORT_DIR = RUN_GANETI_DIR + "/import-export"
 IMPORT_EXPORT_DIR_MODE = 0755
+ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
 # 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 ]
@@ -144,7 +145,9 @@ SETUP_SSH = _autoconf.TOOLSDIR + "/setup-ssh"
 KVM_IFUP = _autoconf.PKGLIBDIR + "/kvm-ifup"
 ETC_HOSTS = "/etc/hosts"
 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
+DEFAULT_SHARED_FILE_STORAGE_DIR = _autoconf.SHARED_FILE_STORAGE_DIR
 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
+ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
 SYSCONFDIR = _autoconf.SYSCONFDIR
 TOOLSDIR = _autoconf.TOOLSDIR
 CONF_DIR = SYSCONFDIR + "/ganeti"
@@ -200,7 +203,7 @@ DEV_CONSOLE = "/dev/console"
 
 PROC_MOUNTS = "/proc/mounts"
 
-# luxi related constants
+# Local UniX Interface related constants
 LUXI_EOM = "\3"
 LUXI_VERSION = CONFIG_VERSION
 
@@ -360,24 +363,37 @@ DT_DISKLESS = "diskless"
 DT_PLAIN = "plain"
 DT_DRBD8 = "drbd"
 DT_FILE = "file"
+DT_SHARED_FILE = "sharedfile"
+DT_BLOCK = "blockdev"
 
 # the set of network-mirrored disk templates
-DTS_NET_MIRROR = frozenset([DT_DRBD8])
+DTS_INT_MIRROR = frozenset([DT_DRBD8])
+
+# the set of externally-mirrored disk templates (e.g. SAN, NAS)
+DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK])
 
 # the set of non-lvm-based disk templates
-DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
+DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE, DT_BLOCK])
 
 # the set of disk templates which can be grown
-DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE])
+DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE])
 
 # the set of disk templates that allow adoption
-DTS_MAY_ADOPT = frozenset([DT_PLAIN])
+DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
+
+# the set of disk templates that *must* use adoption
+DTS_MUST_ADOPT = frozenset([DT_BLOCK])
+
+# the set of disk templates that allow migrations
+DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
+
 
 # logical disk types
 LD_LV = "lvm"
 LD_DRBD8 = "drbd8"
 LD_FILE = "file"
-LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
+LD_BLOCKDEV = "blockdev"
+LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV])
 
 # drbd constants
 DRBD_HMAC_ALG = "md5"
@@ -449,8 +465,8 @@ RIE_CONNECT_RETRIES = 10
 #: Give child process up to 5 seconds to exit after sending a signal
 CHILD_LINGER_TIMEOUT = 5.0
 
-DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
-                            DT_DRBD8, DT_FILE])
+DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN, DT_DRBD8,
+                            DT_FILE, DT_SHARED_FILE, DT_BLOCK])
 
 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
 
@@ -513,6 +529,9 @@ DISK_TRANSFER_CONNECT_TIMEOUT = 60
 # Disk index separator
 DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
 
+#: Key for job IDs in opcode result
+JOB_IDS_KEY = "jobs"
+
 # runparts results
 (RUNPARTS_SKIP,
  RUNPARTS_RUN,
@@ -651,7 +670,7 @@ HVS_PARAMETER_TYPES = {
 
 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
 
-# BE parameter names
+# Backend parameter names
 BE_MEMORY = "memory"
 BE_VCPUS = "vcpus"
 BE_AUTO_BALANCE = "auto_balance"
@@ -686,6 +705,7 @@ OOB_COMMANDS = frozenset([OOB_POWER_ON, OOB_POWER_OFF, OOB_POWER_CYCLE,
 OOB_POWER_STATUS_POWERED = "powered"
 
 OOB_TIMEOUT = 60 # 60 seconds
+OOB_POWER_DELAY = 2.0 # 2 seconds
 
 OOB_STATUS_OK = "OK"
 OOB_STATUS_WARNING = "WARNING"
@@ -702,6 +722,7 @@ OOB_STATUSES = frozenset([
 # Instance Parameters Profile
 PP_DEFAULT = "default"
 
+# NIC_* constants are used inside the ganeti config
 NIC_MODE = "mode"
 NIC_LINK = "link"
 
@@ -717,6 +738,7 @@ NICS_PARAMETER_TYPES = {
 
 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
 
+# IDISK_* constants are used in opcodes, to create/change disks
 IDISK_SIZE = "size"
 IDISK_MODE = "mode"
 IDISK_ADOPT = "adopt"
@@ -729,13 +751,12 @@ IDISK_PARAMS_TYPES = {
   }
 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
 
+# INIC_* constants are used in opcodes, to create/change nics
 INIC_MAC = "mac"
 INIC_IP = "ip"
 INIC_MODE = "mode"
 INIC_LINK = "link"
-INIC_BRIDGE = "bridge"
 INIC_PARAMS_TYPES = {
-  INIC_BRIDGE: VTYPE_STRING,
   INIC_IP: VTYPE_MAYBE_STRING,
   INIC_LINK: VTYPE_STRING,
   INIC_MAC: VTYPE_STRING,
@@ -1009,15 +1030,19 @@ QR_INSTANCE = "instance"
 QR_NODE = "node"
 QR_LOCK = "lock"
 QR_GROUP = "group"
+QR_OS = "os"
 
 #: List of resources which can be queried using L{opcodes.OpQuery}
-QR_OP_QUERY = frozenset([QR_INSTANCE, QR_NODE, QR_GROUP])
+QR_VIA_OP = frozenset([QR_INSTANCE, QR_NODE, QR_GROUP, QR_OS])
 
-#: List of resources which can be queried using LUXI
-QR_OP_LUXI = QR_OP_QUERY.union([
+#: List of resources which can be queried using Local UniX Interface
+QR_VIA_LUXI = QR_VIA_OP.union([
   QR_LOCK,
   ])
 
+#: List of resources which can be queried using RAPI
+QR_VIA_RAPI = QR_VIA_LUXI
+
 # Query field types
 QFT_UNKNOWN = "unknown"
 QFT_TEXT = "text"
@@ -1077,6 +1102,7 @@ MAX_DISKS = 16
 SS_CLUSTER_NAME = "cluster_name"
 SS_CLUSTER_TAGS = "cluster_tags"
 SS_FILE_STORAGE_DIR = "file_storage_dir"
+SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
 SS_MASTER_CANDIDATES = "master_candidates"
 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
 SS_MASTER_IP = "master_ip"
@@ -1300,3 +1326,6 @@ VALID_ALLOC_POLICIES = [
   ALLOC_POLICY_LAST_RESORT,
   ALLOC_POLICY_UNALLOCABLE,
   ]
+
+# Temporary external/shared storage parameters
+BLOCKDEV_DRIVER_MANUAL = "manual"