vernhart

#!/bin/bash

servicefile=/var/snap/avahi/common/etc/avahi/services/microk8s.service
tokenfile=/var/snap/microk8s/current/credentials/cluster-tokens.txt
interval=5
while sleep $interval; do
    if [ -z "$(avahi.browse -rtp --ignore-local _microk8s-cluster._tcp)" ]; then
        interval=60
        # if the service doesn't exist, we'll publish it
        # this token could be pre-shared and perhaps modified with the current time

vernhart

NS="qrouter-$(openstack router show ubuntu-router -f value -c id)"
juju run --unit neutron-gateway/leader "
    # this creates two interfaces connected by a virtual cable
    ip link add name vethhost0 type veth peer name vethns0
    # and the put the second interface within the namespace
    ip link set vethns0 netns $NS
    ip addr add 172.30.30.1/30 dev vethhost0
    ip -n $NS addr add 172.30.30.2/30 dev vethns0
    ip link set vethhost0 up
    ip -n $NS link set vethns0 up

vernhart

#!/bin/bash

# The magpie layer of the fce produces a magpie.json file.
# Unfortunately, the file contains the unit numbers, not the hostnames.
# And since the model is destroyed at the end, we have to parse logs
# to determine what machines had what results.

#- name: magpie
#  type: magpie_maas
#  parent: juju_maas_controller

vernhart

Keybase proof

I hereby claim:

• I am vernhart on github.
• I am vernhart (https://keybase.io/vernhart) on keybase.
• I have a public key ASCvUuVrHbw-yJ5kiRPmNwc7fNMobJDZT9bGxDHuyaZymAo

To claim this, I am signing this object:

vernhart

#!/usr/bin/env python
"""I was trying to programatically remove a Virtual Private Cloud (VPC) in
AWS and the error message was not helpful:

    botocore.exceptions.ClientError: An error occurred (DependencyViolation)
    when calling the DeleteVpc operation: The vpc 'vpc-c12029b9' has
    dependencies and cannot be deleted.

Searching for a quick solution was not fruitful but I was able to glean some
knowledge from Neil Swinton's gist: