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From 792077bf2994e2e582ccfb0768f3186517de9025 Mon Sep 17 00:00:00 2001
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From: Oyvind Albrigtsen <oalbrigt@redhat.com>
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Date: Fri, 21 Sep 2018 12:00:07 +0200
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Subject: [PATCH] LVM-activate: fixes
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- read parameters for start/stop/monitor-actions
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- fail during monitor-action when run with incorrect access_mode
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---
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heartbeat/LVM-activate | 44 ++++++++++++++++++++++++++----------------
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1 file changed, 27 insertions(+), 17 deletions(-)
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diff --git a/heartbeat/LVM-activate b/heartbeat/LVM-activate
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index 55e36a2d2..f46932c1c 100755
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--- a/heartbeat/LVM-activate
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+++ b/heartbeat/LVM-activate
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@@ -56,6 +56,7 @@ LV=${OCF_RESKEY_lvname}
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# 3: vg has system_id (new)
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# 4: vg has tagging (old)
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VG_access_mode=${OCF_RESKEY_vg_access_mode}
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+VG_access_mode_num=0
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# Activate LV(s) with "shared" lock for cluster fs
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# or "exclusive" lock for local fs
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@@ -176,7 +177,9 @@ END
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# 2: vg is clustered - clvmd (old)
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# 3: vg has system_id (new)
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# 4: vg has tagging (old)
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-get_VG_access_mode() {
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+
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+get_VG_access_mode_num()
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+{
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local access_mode
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local vg_locktype
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local vg_clustered
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@@ -415,11 +418,8 @@ tagging_check()
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return $OCF_SUCCESS
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}
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-lvm_validate() {
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- local lv_count
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- local mode
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-
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- # Parameters checking
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+read_parameters()
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+{
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if [ -z "$VG" ]
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then
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ocf_exit_reason "You must identify the volume group name!"
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@@ -435,22 +435,30 @@ lvm_validate() {
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# Convert VG_access_mode from string to index
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case ${VG_access_mode} in
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lvmlockd)
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- VG_access_mode=1
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+ VG_access_mode_num=1
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;;
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clvmd)
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- VG_access_mode=2
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+ VG_access_mode_num=2
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;;
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system_id)
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- VG_access_mode=3
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+ VG_access_mode_num=3
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;;
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tagging)
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- VG_access_mode=4
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+ VG_access_mode_num=4
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;;
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*)
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+ # dont exit with error-code here or nodes will get fenced on
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+ # e.g. "pcs resource create"
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ocf_exit_reason "You specified an invalid value for vg_access_mode: $VG_access_mode"
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- exit $OCF_ERR_CONFIGURED
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;;
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esac
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+}
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+
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+lvm_validate() {
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+ local lv_count
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+ local mode
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+
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+ read_parameters
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check_binary pgrep
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# Every LVM command is just symlink to lvm binary
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@@ -471,9 +479,9 @@ lvm_validate() {
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# Get the access mode from VG metadata and check if it matches the input
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# value. Skip to check "tagging" mode because there's no reliable way to
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# automatically check if "tagging" mode is being used.
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- get_VG_access_mode
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+ get_VG_access_mode_num
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mode=$?
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- if [ $VG_access_mode -ne 4 ] && [ $mode -ne $VG_access_mode ]; then
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+ if [ $VG_access_mode_num -ne 4 ] && [ $mode -ne $VG_access_mode_num ]; then
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ocf_exit_reason "The specified vg_access_mode doesn't match the lock_type on VG metadata!"
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exit $OCF_ERR_ARGS
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fi
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@@ -495,8 +503,8 @@ lvm_validate() {
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fi
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fi
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- # VG_access_mode specific checking goes here
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- case ${VG_access_mode} in
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+ # VG_access_mode_num specific checking goes here
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+ case ${VG_access_mode_num} in
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1)
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lvmlockd_check
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;;
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@@ -731,7 +739,7 @@ lvm_start() {
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[ -z ${LV} ] && vol=${VG} || vol=${VG}/${LV}
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ocf_log info "Activating ${vol}"
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- case ${VG_access_mode} in
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+ case ${VG_access_mode_num} in
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1)
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lvmlockd_activate
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;;
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@@ -773,7 +781,7 @@ lvm_stop() {
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ocf_log info "Deactivating ${vol}"
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- case ${VG_access_mode} in
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+ case ${VG_access_mode_num} in
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1)
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lvmlockd_deactivate
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;;
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@@ -811,9 +819,11 @@ start)
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lvm_start
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;;
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stop)
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+ read_parameters
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lvm_stop
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;;
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monitor)
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+ lvm_validate
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lvm_status
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;;
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validate-all)
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