locking.SharedLock: Fix bug in delete function

[ganeti-local] / lib / constants.py

diff --git a/lib/constants.py b/lib/constants.py
index 7d3796c..b71348a 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"
@@ -637,11 +638,19 @@ 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 +678,35 @@ 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