LUSetInstanceParams: nic parameters
[ganeti-local] / lib / bootstrap.py
index f125f2a..82d0b18 100644 (file)
@@ -25,9 +25,9 @@
 
 import os
 import os.path
-import sha
 import re
 import logging
+import tempfile
 
 from ganeti import rpc
 from ganeti import ssh
@@ -37,6 +37,7 @@ from ganeti import config
 from ganeti import constants
 from ganeti import objects
 from ganeti import ssconf
+from ganeti import hypervisor
 
 
 def _InitSSHSetup():
@@ -67,6 +68,37 @@ def _InitSSHSetup():
     f.close()
 
 
+def _GenerateSelfSignedSslCert(file_name, validity=(365 * 5)):
+  """Generates a self-signed SSL certificate.
+
+  @type file_name: str
+  @param file_name: Path to output file
+  @type validity: int
+  @param validity: Validity for certificate in days
+
+  """
+  (fd, tmp_file_name) = tempfile.mkstemp(dir=os.path.dirname(file_name))
+  try:
+    # Set permissions before writing key
+    os.chmod(tmp_file_name, 0600)
+
+    result = utils.RunCmd(["openssl", "req", "-new", "-newkey", "rsa:1024",
+                           "-days", str(validity), "-nodes", "-x509",
+                           "-keyout", tmp_file_name, "-out", tmp_file_name,
+                           "-batch"])
+    if result.failed:
+      raise errors.OpExecError("Could not generate SSL certificate, command"
+                               " %s had exitcode %s and error message %s" %
+                               (result.cmd, result.exit_code, result.output))
+
+    # Make read-only
+    os.chmod(tmp_file_name, 0400)
+
+    os.rename(tmp_file_name, file_name)
+  finally:
+    utils.RemoveFile(tmp_file_name)
+
+
 def _InitGanetiServerSetup():
   """Setup the necessary configuration for the initial node daemon.
 
@@ -74,16 +106,11 @@ def _InitGanetiServerSetup():
   the cluster and also generates the SSL certificate.
 
   """
-  result = utils.RunCmd(["openssl", "req", "-new", "-newkey", "rsa:1024",
-                         "-days", str(365*5), "-nodes", "-x509",
-                         "-keyout", constants.SSL_CERT_FILE,
-                         "-out", constants.SSL_CERT_FILE, "-batch"])
-  if result.failed:
-    raise errors.OpExecError("could not generate server ssl cert, command"
-                             " %s had exitcode %s and error message %s" %
-                             (result.cmd, result.exit_code, result.output))
+  _GenerateSelfSignedSslCert(constants.SSL_CERT_FILE)
 
-  os.chmod(constants.SSL_CERT_FILE, 0400)
+  # Don't overwrite existing file
+  if not os.path.exists(constants.RAPI_CERT_FILE):
+    _GenerateSelfSignedSslCert(constants.RAPI_CERT_FILE)
 
   result = utils.RunCmd([constants.NODE_INITD_SCRIPT, "restart"])
 
@@ -95,8 +122,9 @@ def _InitGanetiServerSetup():
 
 def InitCluster(cluster_name, mac_prefix, def_bridge,
                 master_netdev, file_storage_dir, candidate_pool_size,
-                secondary_ip=None, vg_name=None, beparams=None, hvparams=None,
-                enabled_hypervisors=None, default_hypervisor=None):
+                secondary_ip=None, vg_name=None, beparams=None,
+                nicparams=None, hvparams=None, enabled_hypervisors=None,
+                default_hypervisor=None, modify_etc_hosts=True):
   """Initialise the cluster.
 
   @type candidate_pool_size: int
@@ -177,7 +205,18 @@ def InitCluster(cluster_name, mac_prefix, def_bridge,
     raise errors.OpPrereqError("Init.d script '%s' missing or not"
                                " executable." % constants.NODE_INITD_SCRIPT)
 
-  utils.CheckBEParams(beparams)
+  dirs = [(constants.RUN_GANETI_DIR, constants.RUN_DIRS_MODE)]
+  utils.EnsureDirs(dirs)
+
+  utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
+  utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
+  objects.NIC.CheckParameterSyntax(nicparams)
+
+  # hvparams is a mapping of hypervisor->hvparams dict
+  for hv_name, hv_params in hvparams.iteritems():
+    utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
+    hv_class = hypervisor.GetHypervisor(hv_name)
+    hv_class.CheckParameterSyntax(hv_params)
 
   # set up the inter-node password and certificate
   _InitGanetiServerSetup()
@@ -190,7 +229,9 @@ def InitCluster(cluster_name, mac_prefix, def_bridge,
     f.close()
   sshkey = sshline.split(" ")[1]
 
-  utils.AddHostToEtcHosts(hostname.name)
+  if modify_etc_hosts:
+    utils.AddHostToEtcHosts(hostname.name)
+
   _InitSSHSetup()
 
   # init of cluster config file
@@ -209,16 +250,18 @@ def InitCluster(cluster_name, mac_prefix, def_bridge,
     file_storage_dir=file_storage_dir,
     enabled_hypervisors=enabled_hypervisors,
     default_hypervisor=default_hypervisor,
-    beparams={constants.BEGR_DEFAULT: beparams},
+    beparams={constants.PP_DEFAULT: beparams},
+    nicparams={constants.PP_DEFAULT: nicparams},
     hvparams=hvparams,
     candidate_pool_size=candidate_pool_size,
+    modify_etc_hosts=modify_etc_hosts,
     )
   master_node_config = objects.Node(name=hostname.name,
                                     primary_ip=hostname.ip,
                                     secondary_ip=secondary_ip,
                                     serial_no=1,
                                     master_candidate=True,
-                                    offline=False,
+                                    offline=False, drained=False,
                                     )
 
   sscfg = InitConfig(constants.CONFIG_VERSION,
@@ -249,7 +292,7 @@ def InitConfig(version, cluster_config, master_node_config,
   @param cfg_file: configuration file path
 
   @rtype: L{ssconf.SimpleConfigWriter}
-  @returns: initialized config instance
+  @return: initialized config instance
 
   """
   nodes = {
@@ -295,15 +338,22 @@ def SetupNodeDaemon(cluster_name, node, ssh_key_check):
 
   """
   sshrunner = ssh.SshRunner(cluster_name)
-  gntpem = utils.ReadFile(constants.SSL_CERT_FILE)
+
+  noded_cert = utils.ReadFile(constants.SSL_CERT_FILE)
+  rapi_cert = utils.ReadFile(constants.RAPI_CERT_FILE)
+
   # in the base64 pem encoding, neither '!' nor '.' are valid chars,
   # so we use this to detect an invalid certificate; as long as the
   # cert doesn't contain this, the here-document will be correctly
   # parsed by the shell sequence below
-  if re.search('^!EOF\.', gntpem, re.MULTILINE):
+  if (re.search('^!EOF\.', noded_cert, re.MULTILINE) or
+      re.search('^!EOF\.', rapi_cert, re.MULTILINE)):
     raise errors.OpExecError("invalid PEM encoding in the SSL certificate")
-  if not gntpem.endswith("\n"):
-    raise errors.OpExecError("PEM must end with newline")
+
+  if not noded_cert.endswith("\n"):
+    noded_cert += "\n"
+  if not rapi_cert.endswith("\n"):
+    rapi_cert += "\n"
 
   # set up inter-node password and certificate and restarts the node daemon
   # and then connect with ssh to set password and start ganeti-noded
@@ -311,8 +361,14 @@ def SetupNodeDaemon(cluster_name, node, ssh_key_check):
   # either by being constants or by the checks above
   mycommand = ("umask 077 && "
                "cat > '%s' << '!EOF.' && \n"
-               "%s!EOF.\n%s restart" %
-               (constants.SSL_CERT_FILE, gntpem,
+               "%s!EOF.\n"
+               "cat > '%s' << '!EOF.' && \n"
+               "%s!EOF.\n"
+               "chmod 0400 %s %s && "
+               "%s restart" %
+               (constants.SSL_CERT_FILE, noded_cert,
+                constants.RAPI_CERT_FILE, rapi_cert,
+                constants.SSL_CERT_FILE, constants.RAPI_CERT_FILE,
                 constants.NODE_INITD_SCRIPT))
 
   result = sshrunner.Run(node, 'root', mycommand, batch=False,
@@ -397,6 +453,22 @@ def MasterFailover():
   return rcode
 
 
+def GetMaster():
+  """Returns the current master node.
+
+  This is a separate function in bootstrap since it's needed by
+  gnt-cluster, and instead of importing directly ssconf, it's better
+  to abstract it in bootstrap, where we do use ssconf in other
+  functions too.
+
+  """
+  sstore = ssconf.SimpleStore()
+
+  old_master, _ = ssconf.GetMasterAndMyself(sstore)
+
+  return old_master
+
+
 def GatherMasterVotes(node_list):
   """Check the agreement on who is the master.