Openstack

What does it mean

aodh                  Alarming service
barbican              REST API designed for the secure storage, provisioning and management of secrets such as passwords, encryption keys and X.509
cinder                OpenStack Block Storage
gnocchi               Time Series Database as a Service
glance                OpenStack Image Service
heat                  Deploy instances, volumes and other OpenStack services using YAML based templates.
horizon               Openstack’s Dashboard, which provides a web based user interface to OpenStack services
ironic                bootstrap
magnum                container orchestration engines
Mistral               workflow service
keystone              identity service 
neutron               networking as a service
octavia               Load balancer
swift                 OpenStack Object Storage

bash completion

. <(openstack complete 2>/dev/null )

list volumes

openstack volume list

install openstack

dnf install python3-openstackclient

get ip addresses of all host

openstack server  list -c Networks -f json | jq -r '.[].Networks[][]'

output

-f csv,json,table,value,yaml

list all

openstack command list -f yaml | grep - | grep list | sed 's/^  - /openstack /g' |grep -v "openstack command list" | while read i ; do echo '*' $i ; $i 2>&1 ; done | tee /tmp/openstack_list_resources.${OS_CLOUD}

How to reach nodes

OPENSTACK=$(openstack server  list -c Networks -f json | jq -r '.[].Networks[][]') ; OPENSTACK_JUMP=$(grep 185 <<< "${OPENSTACK}") ; NODES=$(grep -v 185 <<< "${OPENSTACK}") ; for NODE in ${NODES} ; do echo ssh -J core@${OPENSTACK_JUMP} core@${NODE} ; done