Constants: config directories cleanup

[ganeti-local] / lib / constants.py

diff --git a/lib/constants.py b/lib/constants.py
index a01e620..302e0c9 100644 (file)
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -106,23 +106,33 @@ QUEUE_DIR = DATA_DIR + "/queue"
 ETC_HOSTS = "/etc/hosts"
 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
 SYSCONFDIR = _autoconf.SYSCONFDIR
+CONF_DIR = SYSCONFDIR + "/ganeti"
 
 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
 
-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
@@ -133,6 +143,7 @@ LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
 DAEMONS_LOGFILES = {
  # "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",
 }
@@ -161,7 +172,7 @@ VALUE_TRUE = "true"
 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"
@@ -176,6 +187,35 @@ HKR_SKIP = 0
 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"
+
+# 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]),
+  }
+
+# 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"
@@ -244,6 +284,7 @@ EXIT_NOTCLUSTER = 5
 EXIT_NOTMASTER = 11
 EXIT_NODESETUP_ERROR = 12
 EXIT_CONFIRMATION = 13 # need user confirmation
+EXIT_NOTCANDIDATE = 14
 
 # tags
 TAG_CLUSTER = "cluster"
@@ -324,6 +365,7 @@ HV_ROOT_PATH = "root_path"
 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,
@@ -343,6 +385,7 @@ HVS_PARAMETER_TYPES = {
   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())
@@ -383,11 +426,12 @@ HT_XEN_PVM = "xen-pvm"
 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
@@ -509,10 +553,13 @@ SS_CLUSTER_NAME = "cluster_name"
 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"
@@ -558,6 +605,9 @@ HVC_DEFAULTS = {
     },
   HT_FAKE: {
     },
+  HT_CHROOT: {
+    HV_INIT_SCRIPT: "/ganeti-chroot",
+    },
   }
 
 BEC_DEFAULTS = {
@@ -572,3 +622,34 @@ NICC_DEFAULTS = {
   }
 
 MASTER_POOL_SIZE_DEFAULT = 10
+
+CONFD_PROTOCOL_VERSION = 1
+
+CONFD_REQ_NODE_ROLE_BYNAME = 1
+CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
+
+CONFD_REQS = frozenset([
+  CONFD_REQ_NODE_ROLE_BYNAME,
+  CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
+  ])
+
+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) = range(4)
+
+# 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
+