Convert os api version file name to a constant

[ganeti-local] / lib / constants.py

diff --git a/lib/constants.py b/lib/constants.py
index 7d3796c..636832b 100644 (file)
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -99,6 +99,7 @@ SSL_CERT_FILE = DATA_DIR + "/server.pem"
 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"
@@ -142,12 +143,12 @@ MASTER_SCRIPT = "ganeti-master"
 
 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",
-}
+  # "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"
@@ -158,6 +159,7 @@ EXPORT_DIR = _autoconf.EXPORT_DIR
 
 EXPORT_CONF_FILE = "config.ini"
 
+XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
 XEN_KERNEL = _autoconf.XEN_KERNEL
 XEN_INITRD = _autoconf.XEN_INITRD
 
@@ -326,6 +328,8 @@ OS_SCRIPT_RENAME = 'rename'
 OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
                         OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
 
+OS_API_FILE = 'ganeti_api_version'
+
 # ssh constants
 SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
 SSH_CONFIG_DIR = "/etc/ssh/"
@@ -367,6 +371,9 @@ HV_VNC_X509 = "vnc_x509_path"
 HV_VNC_X509_VERIFY = "vnc_x509_verify"
 HV_ACPI = "acpi"
 HV_PAE = "pae"
+HV_USE_BOOTLOADER = "use_bootloader"
+HV_BOOTLOADER_ARGS = "bootloader_args"
+HV_BOOTLOADER_PATH = "bootloader_path"
 HV_KERNEL_ARGS = "kernel_args"
 HV_KERNEL_PATH = "kernel_path"
 HV_INITRD_PATH = "initrd_path"
@@ -387,6 +394,9 @@ HVS_PARAMETER_TYPES = {
   HV_VNC_X509_VERIFY: VTYPE_BOOL,
   HV_ACPI: VTYPE_BOOL,
   HV_PAE: VTYPE_BOOL,
+  HV_USE_BOOTLOADER: VTYPE_BOOL,
+  HV_BOOTLOADER_PATH: VTYPE_STRING,
+  HV_BOOTLOADER_ARGS: VTYPE_STRING,
   HV_KERNEL_PATH: VTYPE_STRING,
   HV_KERNEL_ARGS: VTYPE_STRING,
   HV_INITRD_PATH: VTYPE_STRING,
@@ -579,6 +589,9 @@ DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
 
 HVC_DEFAULTS = {
   HT_XEN_PVM: {
+    HV_USE_BOOTLOADER: False,
+    HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
+    HV_BOOTLOADER_ARGS: '',
     HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
     HV_INITRD_PATH: '',
     HV_ROOT_PATH: '/dev/sda1',
@@ -637,11 +650,19 @@ 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
@@ -669,3 +690,35 @@ CONFD_ERROR_INTERNAL = 2
 # 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