Doc fixes for RAPI
[ganeti-local] / lib / bootstrap.py
index 41a1f2c..0308484 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():
@@ -76,15 +77,26 @@ def _GenerateSelfSignedSslCert(file_name, validity=(365 * 5)):
   @param validity: Validity for certificate in days
 
   """
-  result = utils.RunCmd(["openssl", "req", "-new", "-newkey", "rsa:1024",
-                         "-days", str(validity), "-nodes", "-x509",
-                         "-keyout", file_name, "-out", 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))
-
-  os.chmod(file_name, 0400)
+  (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():
@@ -96,6 +108,10 @@ def _InitGanetiServerSetup():
   """
   _GenerateSelfSignedSslCert(constants.SSL_CERT_FILE)
 
+  # 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"])
 
   if result.failed:
@@ -188,7 +204,15 @@ 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)
+  # 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()
@@ -229,7 +253,7 @@ def InitCluster(cluster_name, mac_prefix, def_bridge,
                                     secondary_ip=secondary_ip,
                                     serial_no=1,
                                     master_candidate=True,
-                                    offline=False,
+                                    offline=False, drained=False,
                                     )
 
   sscfg = InitConfig(constants.CONFIG_VERSION,
@@ -260,7 +284,7 @@ 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 = {
@@ -306,15 +330,22 @@ 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
@@ -322,8 +353,14 @@ 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,
@@ -408,6 +445,22 @@ 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.