154 lines
4.9 KiB
ReStructuredText
154 lines
4.9 KiB
ReStructuredText
.. _ipmi:
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====
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IPMI
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====
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Warewulf can use IPMI to control cluster node power state or to connect to a
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serial console.
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Configuration
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=============
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Typically, common settings for IPMI interfaces are set on a profile, leaving
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only the IP address set per-node.
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If ``--ipmiwrite`` is set to ``true``, the ``wwinit`` overlay will write the
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desired IPMI configuration to the node's BMC during boot.
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.. code-block::
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wwctl profile set default \
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--ipminetmask=255.255.255.0 \
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--ipmiuser=admin \
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--ipmipass=passw0rd \
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--ipmiinterface=lanplus \
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--ipmiwrite
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wwctl node set n1 \
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--ipmiaddr=192.168.2.1
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Additionally, a ``vlan`` ipmi tag can be used to set the IPMI VLAN ID.
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.. code-block::
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wwctl profile set default \
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--ipmitagadd vlan=42
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A ``bit-rate`` ipmi tag can be used to set the Serial over LAN bit rate (defaults to 38.4).
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Typical options are 19.2, 38.4, and 115.2.
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.. code-block::
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wwctl profile set default \
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--ipmitagadd bit-rate=115.2
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``wwctl node list`` has a specific overview for IPMI settings.
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.. code-block:: console
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# wwctl node list --ipmi
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NODE IPMI IPADDR IPMI PORT IPMI USERNAME IPMI INTERFACE
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---- ----------- --------- ------------- --------------
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n1 192.168.1.11 -- hwadmin lanplus
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n2 192.168.1.12 -- hwadmin lanplus
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n3 192.168.1.13 -- hwadmin lanplus
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n4 192.168.1.14 -- hwadmin lanplus
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Power
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=====
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The ``wwctl power`` command can query and set the current power state of cluster
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nodes.
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.. code-block:: console
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wwctl power status n1 # query the current power status
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wwctl power off n1 # power off a cluster node
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wwctl power on n1 # power on a cluster node
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wwctl power reset n1 # forcibly reboot a node
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wwctl power soft n1 # ask a node to shut down gracefully
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wwctl power cycle n1 # power a cluster node off, then back on
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Node ranges are supported; e.g., ``n[1-10]``.
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Console
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=======
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If your node is setup to use serial over lan (SOL), Warewulf can connect a
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console to the node.
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.. code-block:: console
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# wwctl node console n1
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Customization
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=============
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Warewulf doesn't manage IPMI interfaces directly, but uses ``ipmitool``. This is
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configured with a template which defines Warewulf's IPMI behavior.
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.. code-block::
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{{ $cmd := "ipmitool" }}
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{{ if .Interface }}{{ $cmd = cat $cmd "-I" .Interface }}{{ end }}
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{{ if .EscapeChar }}{{ $cmd = cat $cmd "-e" .EscapeChar }}{{ end }}
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{{ if .Port }}{{ $cmd = cat $cmd "-p" .Port }}{{ end }}
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{{ if .Ipaddr }}{{ $cmd = cat $cmd "-H" .Ipaddr }}{{ end }}
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{{ if .UserName }}{{ $cmd = cat $cmd "-U" (printf "\"%s\"" .UserName) }}{{ end }}
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{{ if .Password }}{{ $cmd = cat $cmd "-P" (printf "\"%s\"" .Password) }}{{ end }}
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{{ if eq .Cmd "PowerOn" }}{{ $cmd = cat $cmd "chassis power on" }}
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{{ else if eq .Cmd "PowerOff" }}{{ $cmd = cat $cmd "chassis power off" }}
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{{ else if eq .Cmd "PowerCycle" }}{{ $cmd = cat $cmd "chassis power cycle" }}
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{{ else if eq .Cmd "PowerReset" }}{{ $cmd = cat $cmd "chassis power reset" }}
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{{ else if eq .Cmd "PowerSoft" }}{{ $cmd = cat $cmd "chassis power soft" }}
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{{ else if eq .Cmd "PowerStatus" }}{{ $cmd = cat $cmd "chassis power status" }}
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{{ else if eq .Cmd "SDRList" }}{{ $cmd = cat $cmd "sdr list" }}
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{{ else if eq .Cmd "SensorList" }}{{ $cmd = cat $cmd "sensor list" }}
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{{ else if eq .Cmd "Console" }}{{ $cmd = cat $cmd "sol activate" }}
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{{ end }}
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{{- $cmd -}}
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A different template can be used to change the IPMI behavior using the
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``--ipmitemplate`` field. Referenced templates must be located in
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``warewulf.conf:Paths.Datadir`` (``/usr/lib/warewulf/bmc/``).
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All IPMI specific fields are accessible in the template:
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+---------------------+--------------------+
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| Parameter | Template variable |
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+=====================+====================+
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| ``--ipmiaddr`` | ``.Ipaddr`` |
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+---------------------+--------------------+
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| ``--ipminetmask`` | ``.Netmask`` |
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+---------------------+--------------------+
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| ``--ipmiport`` | ``.Port`` |
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+---------------------+--------------------+
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| ``--ipmigateway`` | ``.Gateway`` |
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+---------------------+--------------------+
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| ``--ipmiuser`` | ``.UserName`` |
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+---------------------+--------------------+
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| ``--ipmipass`` | ``.Password`` |
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+---------------------+--------------------+
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| ``--ipmiinterface`` | ``.Interface`` |
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+---------------------+--------------------+
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| ``--ipmiwrite`` | ``.Write`` |
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+---------------------+--------------------+
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| ``--ipmiescapechar``| ``.EscapeChar`` |
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+---------------------+--------------------+
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| ``--ipmitemplate`` | ``.Template`` |
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+---------------------+--------------------+
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Additionally, the ``.Cmd`` variable includes the relevant ``wwctl power``
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subcommand.
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* ``PowerOn``
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* ``PowerOff``
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* ``PowerCycle``
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* ``PowerReset``
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* ``PowerSoft``
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* ``PowerStatus``
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* ``SDRList``
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* ``SensorList``
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* ``Console``
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