Here is my example Caddyfile for Openstack API's using Cloudflare DNS verification. I needed to build a custom Dockerfile Lazily I haven't used docker-compose, yet.. I will! 1docker run -it --rm -p5000:5000 -p 9696:9696 -p 9292:9292 -p 8774:8774 -p 8776:8776 -p 8778:8778 -p 9878:9878 -p 9511:9511 -p 8004:8004 -p …

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1#!/bin/bash 2# change the 999 if needed 3shopt -s nullglob 4for d in /sys/kernel/iommu_groups/{0..999}/devices/*; do 5n=${d#*/iommu_groups/*}; n=${n%%/*} 6printf 'IOMMU Group %s ' "$n" 7lspci -nns "${d##*/}" 8done; 1 2 3 4 5 6 7 8 9 10 11 12 sudo lspci -nnv | grep "c1:00.1" -i -A30 …

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I use this script to assign a specific Public IP address to a designated tenancy, in my environment we have multiple public subnets on the single Public network and one of those subnet's is owned by a reseller we work with, so only they have access to this set of IP's 1export PROJECT_ID=$1 2export IP_ADDRESS=$2 3source …

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#Metadata agent Running the agent 1neutron-ovn-metadata-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/neutron_ovn_metadata_agent.ini Configure neutron_ovn_metadata_agent.ini.j2 on the compute node(s) 1[ovn] 2ovn_nb_connection=tcp:{{OVN Controller IP}}:6641 3ovn_sb_connection=tcp:{{OVN …

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1resource update -a customerID:"customer1" 729389e687504dbf8b2c4aead14a607c --type my_consumable_resource 2 3resource show 4f42c5e60813488ea166206c5bfc10cd --type my_consumable_resource

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Live migrations arent hard to do, but getting some real insights into them isnt super simple virsh qemu-monitor-command {VMNAME} --pretty '{"execute":"migrate_cancel"}' Allow Virsh more downtime(If it cant keepup with RAM utilization) virsh migrate-setmaxdowntime VMNAME 2500  Check migration status virsh domjobinfo …

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Because yet again I found the documentation to be wrong on the Openstack site, here is what I have FINALLY managed to determine is the correct request to get a token issued to an admin user an another project. In my case i need this to create volume backups because the backup API does not allow you to project a project …

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Find the host the VM is running on and the instance ID(Use console view to get instance ID) 1cp /etc/libvirt/qemu/instance-0000030a.xml . edit instance-0000030a.xml to be what you need it to be While the VM is running (Warning, will crash the VM) 1virsh destroy instance-0000030a 2virsh undefine instance-0000030a 3virsh …

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This article is the culmination of 100's of hours of work, I hope it can save others some time. Here are some super useful articles that got me across the line: https://networkop.co.uk/blog/2016/05/21/neutron-l2gw https://wiki.openstack.org/wiki/Ovs-flow-logic …

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Seems that anything that uses NoVNC has a small bug, if your laptop has a touch screen(Or possibly even if you have other pointing devices installed) then the VNC plugin for Firefox does pass mouse cursor moves or clicks by navigating to about:config and setting dom.w3c_touch_events.enabled to 0 then reloading the …

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