Revision 91492e57 lib/backend.py
| b/lib/backend.py | ||
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def StartMaster(start_daemons, no_voting): |
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"""Activate local node as master node. |
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The function will always try activate the IP address of the master
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(unless someone else has it). It will also start the master daemons,
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based on the start_daemons parameter.
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The function will either try activate the IP address of the master
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(unless someone else has it) or also start the master daemons, based
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on the start_daemons parameter. |
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@type start_daemons: boolean |
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@param start_daemons: whether to also start the master |
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daemons (ganeti-masterd and ganeti-rapi) |
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@param start_daemons: whether to start the master daemons |
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(ganeti-masterd and ganeti-rapi), or (if false) activate the |
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master ip |
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@type no_voting: boolean |
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@param no_voting: whether to start ganeti-masterd without a node vote |
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(if start_daemons is True), but still non-interactively |
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master_netdev, master_ip, _ = GetMasterInfo() |
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err_msgs = [] |
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if netutils.TcpPing(master_ip, constants.DEFAULT_NODED_PORT): |
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if netutils.OwnIpAddress(master_ip): |
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# we already have the ip: |
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logging.debug("Master IP already configured, doing nothing")
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else: |
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msg = "Someone else has the master ip, not activating" |
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logging.error(msg) |
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err_msgs.append(msg) |
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else: |
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result = utils.RunCmd(["ip", "address", "add", "%s/32" % master_ip, |
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"dev", master_netdev, "label", |
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"%s:0" % master_netdev]) |
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if result.failed: |
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msg = "Can't activate master IP: %s" % result.output |
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logging.error(msg) |
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err_msgs.append(msg) |
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result = utils.RunCmd(["arping", "-q", "-U", "-c 3", "-I", master_netdev, |
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"-s", master_ip, master_ip]) |
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# we'll ignore the exit code of arping |
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# and now start the master and rapi daemons |
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# either start the master and rapi daemons |
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if start_daemons: |
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if no_voting: |
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masterd_args = "--no-voting --yes-do-it" |
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msg = "Can't start Ganeti master: %s" % result.output |
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logging.error(msg) |
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err_msgs.append(msg) |
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# or activate the IP |
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else: |
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if netutils.TcpPing(master_ip, constants.DEFAULT_NODED_PORT): |
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if netutils.OwnIpAddress(master_ip): |
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# we already have the ip: |
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logging.debug("Master IP already configured, doing nothing")
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else: |
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msg = "Someone else has the master ip, not activating" |
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logging.error(msg) |
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err_msgs.append(msg) |
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else: |
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result = utils.RunCmd(["ip", "address", "add", "%s/32" % master_ip, |
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"dev", master_netdev, "label", |
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"%s:0" % master_netdev]) |
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if result.failed: |
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msg = "Can't activate master IP: %s" % result.output |
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logging.error(msg) |
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err_msgs.append(msg) |
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result = utils.RunCmd(["arping", "-q", "-U", "-c 3", "-I", master_netdev, |
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"-s", master_ip, master_ip]) |
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# we'll ignore the exit code of arping |
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if err_msgs: |
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_Fail("; ".join(err_msgs))
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