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"
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"
-# PID files
-MASTERD_PID = "ganeti-masterd"
-NODED_PID = "ganeti-noded"
-RAPI_PID = "ganeti-rapi"
-
-NODE_INITD_SCRIPT = _autoconf.SYSCONFDIR + "/init.d/ganeti"
+NODE_INITD_SCRIPT = SYSCONFDIR + "/init.d/ganeti"
NODED = "ganeti-noded"
+CONFD = "ganeti-confd"
RAPI = "ganeti-rapi"
MASTERD = "ganeti-masterd"
+MULTITHREADED_DAEMONS = frozenset([MASTERD])
+
+DAEMONS_SSL = {
+ # daemon-name: (default-cert-path, default-key-path)
+ NODED: (SSL_CERT_FILE, SSL_CERT_FILE),
+ RAPI: (RAPI_CERT_FILE, RAPI_CERT_FILE),
+}
+
DAEMONS_PORTS = {
# daemon-name: ("proto", "default-port")
NODED: ("tcp", 1811),
+ CONFD: ("udp", 1814),
RAPI: ("tcp", 5080),
}
DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
+DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
FIRST_DRBD_PORT = 11000
LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
DAEMONS_LOGFILES = {
- # "daemon-name": "logfile"
- NODED: LOG_DIR + "node-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"
VALUE_FALSE = "false"
# hooks-related constants
-HOOKS_BASE_DIR = _autoconf.SYSCONFDIR + "/ganeti/hooks"
+HOOKS_BASE_DIR = CONF_DIR + "/hooks"
HOOKS_PHASE_PRE = "pre"
HOOKS_PHASE_POST = "post"
HOOKS_NAME_CFGUPDATE = "config-update"
HKR_FAIL = 1
HKR_SUCCESS = 2
+# Storage types
+ST_FILE = "file"
+ST_LVM_PV = "lvm-pv"
+ST_LVM_VG = "lvm-vg"
+
+# Storage fields
+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]),
+ }
+
+MODIFIABLE_STORAGE_FIELDS = {
+ ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
+ }
+
+VALID_STORAGE_OPERATIONS = {
+ ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
+ }
+
+# Local disk status
+# Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
+(LDS_OKAY,
+ LDS_UNKNOWN,
+ LDS_FAULTY) = range(1, 4)
+
# disk template types
DT_DISKLESS = "diskless"
DT_PLAIN = "plain"
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
+REPLACE_DISK_AUTO = "replace_auto"
# lock recalculate mode
LOCKS_REPLACE = 'replace'
EXIT_NOTMASTER = 11
EXIT_NODESETUP_ERROR = 12
EXIT_CONFIRMATION = 13 # need user confirmation
+EXIT_NOTCANDIDATE = 14
# tags
TAG_CLUSTER = "cluster"
HV_SERIAL_CONSOLE = "serial_console"
HV_USB_MOUSE = "usb_mouse"
HV_DEVICE_MODEL = "device_model"
+HV_INIT_SCRIPT = "init_script"
HVS_PARAMETER_TYPES = {
HV_BOOT_ORDER: VTYPE_STRING,
HV_SERIAL_CONSOLE: VTYPE_BOOL,
HV_USB_MOUSE: VTYPE_STRING,
HV_DEVICE_MODEL: VTYPE_STRING,
+ HV_INIT_SCRIPT: VTYPE_STRING,
}
HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
HT_FAKE = "fake"
HT_XEN_HVM = "xen-hvm"
HT_KVM = "kvm"
-HYPER_TYPES = frozenset([HT_XEN_PVM, HT_FAKE, HT_XEN_HVM, HT_KVM])
+HT_CHROOT = "chroot"
+HYPER_TYPES = frozenset([HT_XEN_PVM, HT_FAKE, HT_XEN_HVM, HT_KVM, HT_CHROOT])
HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
VNC_BASE_PORT = 5900
-VNC_PASSWORD_FILE = _autoconf.SYSCONFDIR + "/ganeti/vnc-cluster-password"
+VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
# NIC types
SS_CLUSTER_TAGS = "cluster_tags"
SS_FILE_STORAGE_DIR = "file_storage_dir"
SS_MASTER_CANDIDATES = "master_candidates"
+SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
SS_MASTER_IP = "master_ip"
SS_MASTER_NETDEV = "master_netdev"
SS_MASTER_NODE = "master_node"
SS_NODE_LIST = "node_list"
+SS_NODE_PRIMARY_IPS = "node_primary_ips"
+SS_NODE_SECONDARY_IPS = "node_secondary_ips"
SS_OFFLINE_NODES = "offline_nodes"
SS_ONLINE_NODES = "online_nodes"
SS_INSTANCE_LIST = "instance_list"
},
HT_FAKE: {
},
+ HT_CHROOT: {
+ HV_INIT_SCRIPT: "/ganeti-chroot",
+ },
}
BEC_DEFAULTS = {
}
MASTER_POOL_SIZE_DEFAULT = 10
+
+CONFD_PROTOCOL_VERSION = 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_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
+CONFD_REPL_STATUS_ERROR = 1
+CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
+
+CONFD_REPL_STATUSES = frozenset([
+ CONFD_REPL_STATUS_OK,
+ CONFD_REPL_STATUS_ERROR,
+ CONFD_REPL_STATUS_NOTIMPLEMENTED,
+ ])
+
+(CONFD_NODE_ROLE_MASTER,
+ CONFD_NODE_ROLE_CANDIDATE,
+ CONFD_NODE_ROLE_OFFLINE,
+ CONFD_NODE_ROLE_DRAINED,
+ CONFD_NODE_ROLE_REGULAR,
+ ) = range(5)
+
+# A few common errors for confd
+CONFD_ERROR_UNKNOWN_ENTRY = 1
+CONFD_ERROR_INTERNAL = 2
+
+# 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
+
+# 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