Différences

Ci-dessous, les différences entre deux révisions de la page.

--- tech:cluster_shell_parallele [2025/11/11 17:00] – Jean-Baptiste
+++ tech:cluster_shell_parallele [2026/06/07 19:12] (Version actuelle) – modification externe 127.0.0.1
@@ Ligne 1: / Ligne 1: @@
+<!DOCTYPE markdown>
+{{tag>Brouillon}}
+# Notes cluster shell parallèle
+* clustershell (clush)
+* clusterssh (cssh)
+* mussh
+## clush
+~~~bash
+apt-get install clustershell
+# ou
+pip install --user ClusterShell
+~~~
+`/etc/clustershell/groups`
+~~~
+all: host1 host2
+~~~
+**-a** pour "all"\\
+**-B** pour affichage groupé de STDOUT et STDERR si retour identique
+~~~bash
+clush -a -B
+~~~
+~~~bash
+clush -w lame[1-4] -B
+~~~
+~~~bash
+clush -w lame[1-6] --diff dmidecode -s bios-version
+~~~
+~~~
+--- lame[1-4] (4)
++++ lame[5-6] (2)
+@@ -1 +1 @@
+-I36
++I15
+~~~
+### Clush copy
+Exemple SosRepport
+### Exemple
+Génération du sosreport sur les cibles
+~~~bash
+clush -B -O ssh_options='-oStrictHostKeyChecking=no -oPort=2222' -l root --hostfile targets.lst
+sosreport -q --case-id 000000 --since 20230813000000 --batch
+~~~
+Récupération des sosreports
+~~~bash
+mkdir sosreports
+clush -B -O ssh_options='-oStrictHostKeyChecking=no -oPort=2222' -l root --hostfile targets.lst --rcopy '/var/tmp/sosreport-*.tar.xz' --dest sosreports/
+clush -B -O ssh_options='-oStrictHostKeyChecking=no -oPort=2222' -l root --hostfile targets.lst --rcopy '/var/tmp/sosreport-*.tar.xz.sha256' --dest sosreports/
+~~~
+Renommage
+~~~bash
+cd sosreports/
+# rename -nv '*' ` *
+rename '*' ` *
+rename '-' ` *
+~~~
+Nettoyage
+~~~bash
+clush -B -O ssh_options='-oStrictHostKeyChecking=no -oPort=2222' -l root --hostfile targets.lst
+rm -f /var/tmp/sosrepor*
+~~~
+### List
+~~~bash
+clush -B --hostfile=hosts.lst
+~~~
+~~~bash
+clush -B -O ssh_options='-oStrictHostKeyChecking=no -oPort=2222' -l admin --hostfile hosts.lst
+~~~
+### Groupes
+~~~bash
+mkdir ~/.config/clustershell/
+cp /etc/clustershell/groups.conf ~/.config/clustershell/
+~~~
+`~/.config/clustershell/groups.d/plop.yaml`
+~~~yaml
+plop:
+    www: 'www[1-4]'
+    db: 'db-alpha,db-beta'
+~~~
+~~~bash
+clush -B -g plop:www
+clush -B -g plop:*
+~~~
+## mussh
+~~~bash
+mussh -H list.txt -b -c 'uptime'
+~~~
+~~~bash
+mussh -H list.txt -b -C script.sh
+~~~
+~~~bash
+mussh -m 7 -H ~/dev/list.txt -b -c 'apt-get -s dist-upgrade | grep "^[[:digit:]]\+ upgraded"'
+~~~
+## ClusterSSH cssh
+~~~bash
+sudo apt-get install clusterssh
+~~~
+~~~bash
+cssh c2-bl1 c2-bl2 c2-bl3 c2-bl4 c2-bl5 c2-bl6
+~~~
+## sshpass
+~~~bash
+read -s SSHPASS ; export SSHPASS
+for ip in $(cat ip_all.lst) ; do sshpass -e ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout=10 $ip /bin/true && echo $ip >> ip_ok.lst || echo $ip >> ip_nok.lst ;done
+for ip in $(cat ip_ok.lst) ; do sshpass -e ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout=10 $ip grep 192.168.1.253 /etc/resolv.conf && echo $ip >> dns_ok.lst || echo $ip >> dns_nok.lst ;done
+~~~