Re: [RFC] iscsi unit files and helper script

[Mike Christie <michaelc-hcNo3dDEHLuVc3sceRu5cw@public.gmane.org>]

Thanks for working on this. Just one question. Is this patch for some
other package? How does it relate to the unit files in Tomasz's
patchset? He unit files with the same name.


On 12/10/2012 04:08 PM, Chris Leech wrote:
> iSCSI service and socket files, and the iscsi_mark_root_nodes helper script to
> preserve sessions started in the initramfs.
> 
> diff -Naur a/iscsid.service b/iscsid.service
> --- a/iscsid.service	1969-12-31 16:00:00.000000000 -0800
> +++ b/iscsid.service	2012-12-10 13:38:38.643307001 -0800
> @@ -0,0 +1,9 @@
> +[Unit]
> +Description=Open-iSCSI
> +Documentation=man:iscsid(8) man:iscsiadm(8)
> +After=network.target NetworkManager-wait-online.service iscsiuio.service tgtd.service targetcli.service
> +
> +[Service]
> +Type=simple
> +ExecStart=/usr/sbin/iscsid -f -n
> +ExecStop=/sbin/iscsiadm -k 0 2
> diff -Naur a/iscsid.socket b/iscsid.socket
> --- a/iscsid.socket	1969-12-31 16:00:00.000000000 -0800
> +++ b/iscsid.socket	2012-12-10 13:38:38.643307001 -0800
> @@ -0,0 +1,9 @@
> +[Unit]
> +Description=Open-iSCSI iscsid Socket
> +Documentation=man:iscsid(8) man:iscsiadm(8)
> +
> +[Socket]
> +ListenStream=@ISCSIADM_ABSTRACT_NAMESPACE
> +
> +[Install]
> +WantedBy=sockets.target
> diff -Naur a/iscsi.service b/iscsi.service
> --- a/iscsi.service	1969-12-31 16:00:00.000000000 -0800
> +++ b/iscsi.service	2012-12-10 13:38:38.643307001 -0800
> @@ -0,0 +1,18 @@
> +[Unit]
> +Description=Login and scanning of iSCSI devices
> +Documentation=man:iscsiadm(8) man:iscsid(8)
> +#Requires=iscsid.service
> +#BindTo=iscsid.service
> +After=network.target NetworkManager-wait-online.service iscsid.service
> +ConditionPathExists=/etc/iscsi/initiatorname.iscsi
> +
> +[Service]
> +Type=oneshot
> +ExecStart=/usr/libexec/iscsi_mark_root_nodes
> +ExecStart=/sbin/iscsiadm -m node --loginall=automatic
> +ExecStop=/bin/sync
> +ExecStop=/sbin/iscsiadm -m node --logoutall=automatic
> +RemainAfterExit=true
> +
> +[Install]
> +WantedBy=remote-fs.target
> diff -Naur a/iscsiuio.service b/iscsiuio.service
> --- a/iscsiuio.service	1969-12-31 16:00:00.000000000 -0800
> +++ b/iscsiuio.service	2012-12-10 13:38:38.643307001 -0800
> @@ -0,0 +1,11 @@
> +[Unit]
> +Description=iSCSI UserSpace I/O driver
> +Documentation=man:iscsiuio(8)
> +Requires=iscsid.service
> +BindTo=iscsid.service
> +Before=iscsid.service
> +After=network.target NetworkManager-wait-online.service
> +
> +[Service]
> +Type=simple
> +ExecStart=/usr/sbin/iscsiuio -f
> diff -Naur a/iscsiuio.socket b/iscsiuio.socket
> --- a/iscsiuio.socket	1969-12-31 16:00:00.000000000 -0800
> +++ b/iscsiuio.socket	2012-12-10 13:38:38.643307001 -0800
> @@ -0,0 +1,9 @@
> +[Unit]
> +Description=Open-iSCSI iscsiuio
> +Documentation=man:iscsiuio(8)
> +
> +[Socket]
> +ListenStream=@ISCSID_UIP_ABSTRACT_NAMESPACE
> +
> +[Install]
> +WantedBy=sockets.target
> diff -Naur a/usr/libexec/iscsi_mark_root_nodes b/usr/libexec/iscsi_mark_root_nodes
> --- a/usr/libexec/iscsi_mark_root_nodes	1969-12-31 16:00:00.000000000 -0800
> +++ b/usr/libexec/iscsi_mark_root_nodes	2012-12-10 13:38:47.322082141 -0800
> @@ -0,0 +1,14 @@
> +#!/bin/bash
> +
> +ISCSIADM=/sbin/iscsiadm
> +SESSION_FILE=/run/initramfs/iscsi.sessions
> +
> +if [ ! -f $SESSION_FILE ] ; then
> +  exit 0
> +fi
> +
> +while read t num i target; do
> +  ip=${i%:*}
> +  $ISCSIADM -m node -p $ip -T $target -o update -n node.startup -v onboot
> +done < $SESSION_FILE
> +
> 

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