Ah, our queue is in memory so it's gone after a reboot anyway. (
https://github.com/Unidata/LDM/wiki/Best-Practices)
So I've just tested this new solution. I think it should work for you. Let
me know if you notice anything wrong with it.
1) Copy/paste this script to /home/ldm/bin/pqrefresh or wherever you'd
like. Make sure to "chmod +x". This script is a modified boot script which
removes the ldmadmin start/stop commands and simply checks the
product-queue integrity and only rebuilds it if necessary.
> #!/bin/sh -
>
>
> export PATH=/bin:/usr/bin
>
>
> LDMHOME=/home/ldm
>
> LDMBIN=$LDMHOME/bin
>
> LDMADMIN=$LDMBIN/ldmadmin
>
> PQCHECK=$LDMBIN/pqcheck
>
> PQCAT=$LDMBIN/pqcat
>
> PQ=/dev/shm/ldm.pq
>
>
> echo 'Inspecting LDM product-queue...'
>
> if [ -x $LDMADMIN ] ; then
>
> if $LDMADMIN isrunning; then
>
> echo "LDM system is currently running. Aborting."
>
> else
>
> if [ ! -f $PQ ] ; then
>
> echo "Product-queue doesn't exist. Creating..."
>
> if ! "$LDMADMIN mkqueue"; then
>
> echo "Aborting..."
>
> exit 0
>
> fi
>
> else
>
> echo "Product-queue exists. Checking..."
>
> #
>
> # Test the product-queue for corruption.
>
> #
>
> if ! $PQCHECK -l /dev/null -q $PQ; then
>
> case $? in
>
> 0) echo "The product-queue is okay."
>
> exit 1
>
> ;;
>
> 1) echo "System error checking product-queue. Aborting..."
>
> exit 0
>
> ;;
>
> 2) echo "Adding writer-counter to product-queue..."
>
> if ! $PQCHECK -F -q $PQ; then
>
> echo "Aborting..."
>
> exit 0
>
> fi
>
> ;;
>
> 3) echo "Product-queue was incorrectly closed. " \
>
> "Checking..."
>
> if $PQCAT -s -l /dev/null; then
>
> echo "Product-queue appears OK. "
>
> echo "Clearing writer-counter..."
>
> if ! $PQCHECK -F -q $PQ; then
>
> echo "Couldn't clear counter. Aborting..."
>
> exit 0
>
> fi
>
> else
>
> echo "Product-queue appears corrupt. Deleting."
>
> rm $PQ
>
> if ! "$LDMADMIN mkqueue -f"; then
>
> echo "Couldn't make new product-queue. Aborting..."
>
> exit 0
>
> fi
>
> fi
>
> ;;
>
> 4) echo "Product-queue is corrupt. Deleting."
>
> rm $PQ
>
> if ! "$LDMADMIN mkqueue -f"; then
>
> echo "Couldn't make new product-queue. Aborting..."
>
> exit 0
>
> fi
>
> ;;
>
> esac
>
> fi
>
> fi
>
> fi
>
> fi
>
2) Remove the ExecStartPre entries I referenced in my previous email. Add a
new ExecStartPre= entry that points to this newly created script.
3) Run "systemctl daemon-reload"
Good to go!
On Tue, Oct 11, 2016 at 3:35 PM, Smith, Neil R <n-smith2@xxxxxxxxxxxxx>
wrote:
> Is there a way to do the pqcheck stuff as with the traditional init.d
> script?
>
> If I’ve got a pretty full suite of stuff I’m ingesting, it seems a waist
> to have to re-request the last hour’s worth (default) of queue content from
> upstream each time I reboot the OS.
>
> Neil
>
>
> On Oct 11, 2016, at 4:21 PM, Ryan Hickman <ryan@xxxxxxxxxxxxxxxx> wrote:
>
> Neil,
>
> Yes, per
>
>> ExecStartPre=/home/ldm/bin/ldmadmin delqueue
>> ExecStartPre=/home/ldm/bin/ldmadmin mkqueue
>>
>>
>
>
> On Tue, Oct 11, 2016 at 3:15 PM, Smith, Neil R <n-smith2@xxxxxxxxxxxxx>
> wrote:
>
>> Steve,
>> Does that delete and re-create the queue at each boot?
>> Neil
>>
>> On Oct 11, 2016, at 3:33 PM, Steve Emmerson <emmerson@xxxxxxxx> wrote:
>>
>> All,
>>
>> I added it to the LDM Wiki on GitHub <https://github.com/Unidata/LDM/wiki
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_Unidata_LDM_wiki&d=CwMFaQ&c=ODFT-G5SujMiGrKuoJJjVg&r=8zJPpRsPyrTEl9Gc_TucyfSyLXyeQq4A_L1mQhFUBG0&m=KIIr4ObmAsAkjemOKkKG5rGaKnygm5MvB9x-_ki-3HU&s=Q6CTZm6w95pyDDGJ--bWSXZRRTYoM6HQlYDJEuyYCzg&e=>
>> >.
>>
>> Regards,
>> Steve Emmerson
>>
>>
>>
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