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58 lines
2.1 KiB
Markdown
58 lines
2.1 KiB
Markdown
noderun(8) -- Run arbitrary commands per node in a noderange
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=============================================================
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## SYNOPSIS
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`noderun <noderange> <command string>`
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## DESCRIPTION
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`noderun` will take a given command and execute it in parallel once per node
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in the specified noderange. Attribute expressions as documented in
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nodeattribexpressions(5) are expanded prior to execution of the command. For
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noderun, the commands are locally executed. To execute commands on the nodes
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themselves, see nodeshell(8).
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## EXAMPLES
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* Run ping against nodes n1 through n4:
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`# noderun n1-n4 ping -c 1 {nodename}`
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`n3: PING n3 (172.30.2.3) 56(84) bytes of data.`
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`n3: 64 bytes from n3 (172.30.2.3): icmp_seq=1 ttl=64 time=0.387 ms`
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`n3: `
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`n3: --- n3 ping statistics ---`
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`n3: 1 packets transmitted, 1 received, 0% packet loss, time 0ms`
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`n3: rtt min/avg/max/mdev = 0.387/0.387/0.387/0.000 ms`
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`n4: PING n4 (172.30.2.4) 56(84) bytes of data.`
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`n4: 64 bytes from n4 (172.30.2.4): icmp_seq=1 ttl=64 time=0.325 ms`
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`n4: `
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`n4: --- n4 ping statistics ---`
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`n4: 1 packets transmitted, 1 received, 0% packet loss, time 0ms`
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`n4: rtt min/avg/max/mdev = 0.325/0.325/0.325/0.000 ms`
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`n2: PING n2 (172.30.2.2) 56(84) bytes of data.`
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`n2: From odin (172.30.0.6) icmp_seq=1 Destination Host Unreachable`
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`n2: `
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`n2: --- n2 ping statistics ---`
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`n2: 1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 3000ms`
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`n2: `
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`n1: PING n1 (172.30.2.1) 56(84) bytes of data.`
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`n1: `
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`n1: --- n1 ping statistics ---`
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`n1: 1 packets transmitted, 0 received, 100% packet loss, time 10000ms`
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`n1: `
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* Run an ipmitool raw command against the management controllers of n1 through n4:
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`# noderun n1-n4 ipmitool -I lanplus -U USERID -E -H {hardwaremanagement.manager} raw 0 1`
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`n3: 01 10 00`
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`n1: 01 10 00`
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`n4: 01 10 00`
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`n2: 01 10 00`
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* If wanting to use literal {} in the command, they must be escaped by doubling:
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`# noderun n1-n4 "echo {node} | awk '{{print $1}}'"`
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## SEE ALSO
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nodeshell(8)
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