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87 lines
3.6 KiB
Markdown
87 lines
3.6 KiB
Markdown
nodeattrib(8) -- List or change confluent nodes attributes
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=========================================================
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## SYNOPSIS
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`nodeattrib [-b] <noderange> [<nodeattribute>...]`
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`nodeattrib <noderange> [<nodeattribute1=value1> <nodeattribute2=value2> ...]`
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`nodeattrib -c <noderange> <nodeattribute1> <nodeattribute2> ...`
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`nodeattrib -e <noderange> <nodeattribute1> <nodeattribute2> ...`
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## DESCRIPTION
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**nodeattrib** manages the attributes of confluent nodes. In
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the simplest form, it simply takes the given noderange(5) and lists the
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matching nodes, one line at a time.
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If a list of node attribute names are given, the value of those are also
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displayed. If `-b` is specified, it will also display information on
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how inherited and expression based attributes are defined. Attributes can be
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straightforward values, or an expression as documented in nodeattribexpressions(5).
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For a full list of attributes, run `nodeattrib <node> all` against a node.
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If `-c` is specified, this will set the nodeattribute to a null valid.
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This is different from setting the value to an empty string.
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For the `groups` attribute, it is possible to add a group by doing
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`groups,=<newgroup>`` and to remove by doing `groups^=<oldgroup>`
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Note that `nodeattrib <group>` will likely not provide the expected behavior.
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See nodegroupattrib(8) command on how to manage attributes on a group level.
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## OPTIONS
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* `-b`, `--blame`:
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Annotate inherited and expression based attributes to show their base value.
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* `-c`, `--clear`:
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Clear specified nodeattributes
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* `-e`, `--environment`:
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Set specified attributes based on exported environment variable of matching name. Environment variable names may be lower case or all upper case. Replace . with _ as needed (e.g. info.note may be specified as either $info_note or $INFO_NOTE
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## EXAMPLES
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* Listing matching nodes of a simple noderange:
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`# nodeattrib n1-n2`
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`n1: console.method: ipmi`
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`n1: hardwaremanagement.manager: 172.30.3.1`
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`n2: console.method: ipmi`
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`n2: hardwaremanagement.manager: 172.30.3.2`
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* Getting an attribute of nodes matching a noderange:
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`# nodeattrib n1,n2 hardwaremanagement.manager`
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`n1: hardwaremanagement.manager: 172.30.3.1`
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`n2: hardwaremanagement.manager: 172.30.3.2`
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* Getting a group of attributes while determining what group defines them:
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`# nodeattrib n1,n2 hardwaremanagement --blame`
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`n1: hardwaremanagement.manager: 172.30.3.1`
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`n1: hardwaremanagement.method: ipmi (inherited from group everything)`
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`n1: hardwaremanagement.switch: r8e1`
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`n1: hardwaremanagement.switchport: 14`
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`n2: hardwaremanagement.manager: 172.30.3.2`
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`n2: hardwaremanagement.method: ipmi (inherited from group everything)`
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`n2: hardwaremanagement.switch: r8e1`
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`n2: hardwaremanagement.switchport: 2`
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* Listing matching nodes of a simple noderange that are set:
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`# nodeattrib n1-n2 current`
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`n1: console.method: ipmi`
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`n1: hardwaremanagement.manager: 172.30.3.1`
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`n2: console.method: ipmi`
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`n2: hardwaremanagement.manager: 172.30.3.2`
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* Change attribute on nodes of a simple noderange:
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`# nodeattrib n1-n2 console.method=serial`
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`n1: console.method: serial`
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`n1: hardwaremanagement.manager: 172.30.3.1`
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`n2: console.method: serial`
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`n2: hardwaremanagement.manager: 172.30.3.2`
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* Clear attribute on nodes of a simple noderange, if you want to retain the variable set the attribute to "":
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`# nodeattrib n1-n2 -c console.method`
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`# nodeattrib n1-n2 console.method`
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`n1: console.method: `
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`n2: console.method: `
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## SEE ALSO
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nodegroupattrib(8), nodeattribexpressions(5)
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