KVM live migration: handle failure
[ganeti-local] / lib / constants.py
index 1950ac5..0c44675 100644 (file)
@@ -26,7 +26,7 @@ from ganeti import _autoconf
 # various versions
 PROTOCOL_VERSION = 13
 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
-OS_API_VERSION = 5
+OS_API_VERSION = 10
 EXPORT_VERSION = 0
 RAPI_VERSION = 2
 
@@ -84,18 +84,25 @@ 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"
+RUN_DIRS_MODE = 0755
+SOCKET_DIR = RUN_GANETI_DIR + "/socket"
+SOCKET_DIR_MODE = 0700
 # 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"
+SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
 SSL_CERT_FILE = DATA_DIR + "/server.pem"
+RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
 WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
+RAPI_USERS_FILE = DATA_DIR + "/rapi_users"
 QUEUE_DIR = DATA_DIR + "/queue"
 ETC_HOSTS = "/etc/hosts"
 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
-MASTER_SOCKET = RUN_GANETI_DIR + "/master.sock"
+
+MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
 
 # PID files
 MASTERD_PID = "ganeti-masterd"
@@ -108,13 +115,14 @@ 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_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_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_COMMANDS = LOG_DIR + "commands.log"
+LOG_BURNIN = LOG_DIR + "burnin.log"
 
 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
 EXPORT_DIR = _autoconf.EXPORT_DIR
@@ -124,8 +132,16 @@ EXPORT_CONF_FILE = "config.ini"
 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
+
 VALUE_DEFAULT = "default"
+VALUE_AUTO = "auto"
+VALUE_GENERATE = "generate"
 VALUE_NONE = "none"
+VALUE_TRUE = "true"
+VALUE_FALSE = "false"
 
 # hooks-related constants
 HOOKS_BASE_DIR = _autoconf.SYSCONFDIR + "/ganeti/hooks"
@@ -159,6 +175,11 @@ DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
 LD_LV = "lvm"
 LD_DRBD8 = "drbd8"
 LD_FILE = "file"
+LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
+
+# drbd constants
+DRBD_HMAC_ALG = "md5"
+DRBD_NET_PROTOCOL = "C"
 
 # file backend driver
 FD_LOOP = "loop"
@@ -167,10 +188,19 @@ FD_BLKTAP = "blktap"
 # the set of drbd-like disk types
 LDS_DRBD = frozenset([LD_DRBD8])
 
+# disk access mode
+DISK_RDONLY = "ro"
+DISK_RDWR = "rw"
+DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
+
 # disk replacement mode
-REPLACE_DISK_PRI = "replace_primary"
-REPLACE_DISK_SEC = "replace_secondary"
-REPLACE_DISK_ALL = "replace_all"
+REPLACE_DISK_PRI = "replace_on_primary"    # replace disks on primary
+REPLACE_DISK_SEC = "replace_on_secondary"  # replace disks on secondary
+REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
+
+# lock recalculate mode
+LOCKS_REPLACE = 'replace'
+LOCKS_APPEND = 'append'
 
 # instance creation modes
 INSTANCE_CREATE = "create"
@@ -185,6 +215,11 @@ FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
 INISECT_EXP = "export"
 INISECT_INS = "instance"
 
+# dynamic device modification
+
+DDM_ADD = 'add'
+DDM_REMOVE = 'remove'
+
 # common exit codes
 EXIT_SUCCESS = 0
 EXIT_FAILURE = 1
@@ -201,16 +236,27 @@ MAX_TAGS_PER_OBJ = 4096
 
 # others
 DEFAULT_BRIDGE = "xen-br0"
-SYNC_SPEED = 30 * 1024
+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"
 
-# valid os status
+# 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
@@ -227,22 +273,87 @@ INSTANCE_REBOOT_SOFT = "soft"
 INSTANCE_REBOOT_HARD = "hard"
 INSTANCE_REBOOT_FULL = "full"
 
+REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
+                          INSTANCE_REBOOT_HARD,
+                          INSTANCE_REBOOT_FULL])
+
+# 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_ACPI = "acpi"
+HV_PAE = "pae"
+HV_KERNEL_PATH = "kernel_path"
+HV_INITRD_PATH = "initrd_path"
+
+HVS_PARAMETERS = frozenset([
+  HV_BOOT_ORDER,
+  HV_CDROM_IMAGE_PATH,
+  HV_NIC_TYPE,
+  HV_DISK_TYPE,
+  HV_VNC_BIND_ADDRESS,
+  HV_ACPI,
+  HV_PAE,
+  HV_KERNEL_PATH,
+  HV_INITRD_PATH,
+  ])
+
+# BE parameter names
+BE_MEMORY = "memory"
+BE_VCPUS = "vcpus"
+BE_AUTO_BALANCE = "auto_balance"
+
+BES_PARAMETERS = frozenset([
+  BE_MEMORY,
+  BE_VCPUS,
+  BE_AUTO_BALANCE,
+  ])
+
+# BE GROUP
+BEGR_DEFAULT = "default"
+
 # Hypervisor constants
-HT_XEN_PVM30 = "xen-3.0"
+HT_XEN_PVM = "xen-pvm"
 HT_FAKE = "fake"
-HT_XEN_HVM31 = "xen-hvm-3.1"
-HYPER_TYPES = frozenset([HT_XEN_PVM30, HT_FAKE, HT_XEN_HVM31])
-HTS_REQ_PORT = frozenset([HT_XEN_HVM31])
+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_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])
 
+# 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_DIR_IN = "in"
 IALLOCATOR_DIR_OUT = "out"
@@ -259,17 +370,27 @@ 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"
@@ -282,3 +403,52 @@ 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_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_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: None,
+        },
+    HT_XEN_HVM: {
+        HV_BOOT_ORDER: "cd",
+        HV_CDROM_IMAGE_PATH: None,
+        HV_NIC_TYPE: HT_HVM_NIC_RTL8139,
+        HV_DISK_TYPE: HT_HVM_DEV_PARAVIRTUAL,
+        HV_VNC_BIND_ADDRESS: '0.0.0.0',
+        HV_ACPI: True,
+        HV_PAE: True,
+        },
+    HT_KVM: {
+        HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
+        HV_INITRD_PATH: None,
+        HV_ACPI: True,
+        },
+    HT_FAKE: {
+        },
+    }
+
+BEC_DEFAULTS = {
+    BE_MEMORY: 128,
+    BE_VCPUS: 1,
+    BE_AUTO_BALANCE: True,
+    }
+
+MASTER_POOL_SIZE_DEFAULT = 10