dosaboy

#!/bin/bash -eu
# Origin: https://gist.github.com/dosaboy/eca8dcd4560f68d856f465ca8382c58b
#
# Authors:
#   - [email protected]
#
# Tested on:
#   - Ubuntu Xenial
#   - Ubuntu Bionic
#

dosaboy

#!bin/bash -u

# upgrade swift packages
sudo apt update
sudo apt install swift --only-upgrade

# increase this from default of 100 to allow kernel to release xfs cache data more readily
sudo sysctl -w vm.vfs_cache_pressure=200

# make a note of the following

dosaboy

#!/bin/bash -eux
# Origin: https://gist.github.com/dosaboy/37121dcfd6581066cec8f6377817a4ef
#
# Authors:
#   - [email protected]
#
# Description:
#   Send a gratuitous arp for every floating ip in use on a node. Uses same
#   method to send garp as neutron.

dosaboy

#!/bin/bash -ux

# Cleanup compute host resource allocations in placement api left over from Nova bug LP 1756179
# Background: It turns out that when you delete a service the associated resource provider (nova placement api) does not get deleted or updated.

mysql -s -N -h$host -u${user} -p$pw nova

# Get id of deleted compute host
select id from compute_nodes where host="__HOSTNAME_GOES_HERE__" and deleted_at!="NULL";

dosaboy

#!/bin/bash -eu
#
# Author: [email protected]
# Origin: https://gist.github.com/dosaboy/8ce9540e669975fb4807ee1ab376ff3a 
#
# Description:
#     Test throughput between Openstack vm instances using various combinations
#     of routed and unrouted networks and between vms that are located on
#     the same hypervisor and remote hypervisors.
#

dosaboy

#!/bin/bash
# http://erlang.org/doc/man/erlang.html#system_info-1

flags=(
allocated_areas
allocator
alloc_util_allocators
allocator_sizes
elib_malloc
cpu_topology

dosaboy

#!/bin/bash -eu

# To get a list of all your compute hosts do:
#
#    openstack compute service list --service nova-compute -c Host -f value
#
# To get a list of UUIDs of all vms running on a host do:
#
#    openstack server list --host <hostname> -c ID -f value
#

dosaboy

#!/bin/bash -eu
#
# Origin: https://gist.github.com/dosaboy/e7b5d142fd56540b6600dc428edf5656
#
# Authors:
#  - [email protected]
#  - [email protected]
#
# Query Nova Placement API

dosaboy

#!/bin/bash -eu
#
# Origin: https://gist.github.com/dosaboy/c04fce37b99990bd1994da90e8e72e7e
#
# Authors:
#  - [email protected]
#  - [email protected]
#
# This must be executed on Juju client node.
#

dosaboy

#!/bin/bash -eu
#
# Origin: https://gist.github.com/dosaboy/7fff340efdd1787e58eb27cc78e12360
#
# Authors:
#  - [email protected]
#  - [email protected]
#
# This must be executed on the hypervisor node where the instance is running
#