module-setup.sh: setup fence kdump environment
This patch is used to setup fence kdump environment when building kdump initrd: 1. Check if it's cluster and fence_kdump is configured. 2. Get all the nodes in the cluster and pass them to 2nd kernel via /etc/fence_kdump_nodes 3. Setup network interface which will be used by fence kdump notifier in 2nd kernel. 4. Install fence kdump notifier (/usr/libexec/fence_kdump_send) to initrd. Signed-off-by: WANG Chao <chaowang@redhat.com> Tested-by: Zhi Zou <zzou@redhat.com> Tested-by: Marek Grac <mgrac@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com>
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@ -20,6 +20,10 @@ depends() {
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_dep="$_dep drm"
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_dep="$_dep drm"
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fi
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fi
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if is_fence_kdump; then
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_dep="$_dep network"
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fi
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echo $_dep
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echo $_dep
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return 0
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return 0
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}
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}
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@ -234,9 +238,19 @@ kdump_install_net() {
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fi
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fi
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kdump_setup_netdev "${_netdev}"
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kdump_setup_netdev "${_netdev}"
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#save netdev used for kdump as cmdline
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#save netdev used for kdump as cmdline
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# Whoever calling kdump_install_net() is setting up the default gateway,
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# ie. bootdev/kdumpnic. So don't override the setting if calling
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# kdump_install_net() for another time. For example, after setting eth0 as
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# the default gate way for network dump, eth1 in the fence kdump path will
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# call kdump_install_net again and we don't want eth1 to be the default
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# gateway.
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if [ ! -f ${initdir}${initdir}/etc/cmdline.d/60kdumpnic.conf ] &&
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[ ! -f ${initdir}/etc/cmdline.d/70bootdev.conf ]; then
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echo "kdumpnic=${_netdev}" > ${initdir}/etc/cmdline.d/60kdumpnic.conf
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echo "kdumpnic=${_netdev}" > ${initdir}/etc/cmdline.d/60kdumpnic.conf
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echo "bootdev=${_netdev}" > ${initdir}/etc/cmdline.d/70bootdev.conf
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echo "bootdev=${_netdev}" > ${initdir}/etc/cmdline.d/70bootdev.conf
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fi
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}
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}
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#install kdump.conf and what user specifies in kdump.conf
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#install kdump.conf and what user specifies in kdump.conf
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@ -263,6 +277,7 @@ kdump_install_conf() {
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esac
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esac
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done < /etc/kdump.conf
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done < /etc/kdump.conf
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kdump_check_fence_kdump
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inst "/tmp/$$-kdump.conf" "/etc/kdump.conf"
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inst "/tmp/$$-kdump.conf" "/etc/kdump.conf"
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rm -f /tmp/$$-kdump.conf
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rm -f /tmp/$$-kdump.conf
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}
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}
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@ -393,6 +408,37 @@ kdump_check_iscsi_targets () {
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}
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}
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# setup fence_kdump in cluster
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# setup proper network and install needed files
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# also preserve '[node list]' for 2nd kernel /etc/fence_kdump_nodes
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kdump_check_fence_kdump () {
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local nodes
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is_fence_kdump || return 1
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# get cluster nodes from cluster cib, get interface and ip address
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nodelist=`pcs cluster cib | xmllint --xpath "/cib/status/node_state/@uname" -`
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# nodelist is formed as 'uname="node1" uname="node2" ... uname="nodeX"'
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# we need to convert each to node1, node2 ... nodeX in each iteration
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for node in ${nodelist}; do
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# convert $node from 'uname="nodeX"' to 'nodeX'
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eval $node
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nodename=$uname
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# Skip its own node name
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if [ "$nodename" = `hostname` ]; then
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continue
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fi
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nodes="$nodes $nodename"
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kdump_install_net $nodename
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done
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echo
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echo "$nodes" > ${initdir}/$FENCE_KDUMP_NODES
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dracut_install $FENCE_KDUMP_SEND
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dracut_install -o $FENCE_KDUMP_CONFIG
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}
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install() {
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install() {
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kdump_install_conf
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kdump_install_conf
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>"$initdir/lib/dracut/no-emergency-shell"
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>"$initdir/lib/dracut/no-emergency-shell"
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