Releases
https://releases.openstack.org/
https://releases.openstack.org/stein/index.html
CLI
# Command Structure
https://docs.openstack.org/python-openstackclient/latest/cli/commands.html
https://docs.openstack.org/ocata/user-guide/cli-cheat-sheet.html
https://docs.openstack.org/keystone/latest/admin/cli-manage-projects-users-and-roles.html
https://docs.openstack.org/python-openstackclient/latest/cli/command-list.html
Services
https://www.openstack.org/software/project-navigator/openstack-components/#openstack-services
openstack command list | egrep "(agent|service) list"
Create VM
openstack keypair create foo-key --public-key ~/.ssh/id_rsa.pub
Change user / admin password
. /etc/kolla/admin-openrc.sh openstack user password set --password new-password --original-password current-admin-password
Credentials
# connect to specific cloud openstack server list --os-cloud=dev-foo source /etc/kolla/admin-openrc.sh
Instance
https://docs.openstack.org/mitaka/install-guide-ubuntu/launch-instance.html
openstack image list openstack network list openstack keypair list
Ansible
https://docs.ansible.com/ansible/latest/collections/openstack/cloud/index.html
https://github.com/panticz/ansible/tree/master/roles/devstack
pip install -U openstacksdk python-openstacksdk ansible
Cloud images
http://panticz.de/cloud-images
Cloud config
https://docs.openstack.org/nova/rocky/user/config-drive.html
Nova
# Virtualization Guest Drivers
https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.1/html/virtual_machine_management_guide/sect-installing_guest_agents_and_drivers1
Network
https://developer.openstack.org/firstapp-libcloud/networking.html
openstack network create worker_network openstack subnet create worker_subnet --network worker_network --subnet-range 10.0.1.0/24 openstack router create project_router openstack router set project_router --external-gateway public openstack router add subnet project_router worker_subnet
add floating IP pool
openstack subnet list openstack subnet set --allocation-pool start=10.40.0.100,end=10.40.0.200 public1 openstack subnet show public1 -c allocation_pools -f value
Command line
sudo apt install -y python-magnumclient pip install python-magnumclient
Microstack on Ubuntu
sudo snap install microstack --classic --candidate
cloud-init images
https://docs.openstack.org/image-guide/ubuntu-image.html
bash completion
openstack complete | sudo tee /etc/bash_completion.d/osc.bash_completion > /dev/null . /etc/bash_completion
Project / User
openstack project list --domain example.com openstack domain create example.com openstack project create openstack --domain example.com openstack role add --user foo --project openstack admin
Connect to a (cirros) VM without floating IP
cirros password: gocubsgo for ROUTER in $(ip netns | grep qrouter | cut -d" " -f1); do ip netns exec ${ROUTER} ssh cirros@${VM_IP} done
openstack endpoint list | grep keystone openstack service list openstack endpoint list | grep 5000 openstack endpoint create identity --region RegionOne internal http://10.0.2.111:5000 openstack endpoint list | grep identity openstack endpoint set --url http://10.0.2.10:5000 --interface public ab00147b8bf44319bf14927d74582359
Nested virtualisation
https://docs.openstack.org/devstack/latest/guides/devstack-with-nested-kvm.html
cat <<EOF>> /etc/modprobe.d/kvm.conf options kvm_intel nested=1 options kvm_amd nested=1 EOF # modprobe kvm-intel reboot cat /sys/module/kvm_intel/parameters/nested # nested networking (disable security on external port) openstack port set --disable-port-security openstack-net-ext-port1
Mailinglist
http://paste.openstack.org/
Module
openstack versions show openstack module list
Direct database access
# neutron DB_PASS=$(grep neutron_database_password /etc/kolla/passwords.yml | cut -d " " -f2) mysql -h db.service.i.example.com --password=${DB_PASS} -P 6033 -u neutron -D neutron mysql -B -h db.service.i.example.com --password=${DB_PASS} -P 6033 -u neutron -D neutron -e "select * from floatingips" # octavia DB_PASS=$(grep octavia_database_password /etc/kolla/passwords.yml | cut -d " " -f2) mysql -h db.service.i.example.com --password=${DB_PASS} -P 6033 -u octavia -D octavia select * from load_balancer; # service openstack service list --long # project openstack project list --my-projects
Project
PROJECT_ID=$(openstack project list -c ID -f value) echo ${PROJECT_ID}
Releases
https://releases.openstack.org/teams/octavia.html#rocky
Parameter / configuration
https://github.com/openstack/kolla-ansible/blob/master/ansible/group_vars/all.yml
Project
openstack project set --domain foo --name bar-dev bar
Policy
# grep member /etc/kolla -r horizon/local_settings:OPENSTACK_KEYSTONE_DEFAULT_ROLE = "_member_" # docker exec -i neutron_server oslopolicy-policy-generator --namespace neutron | egrep 'create_floatingip|^"(admin_only|context_is_admin)' "context_is_admin": "role:admin" "create_floatingip:floating_ip_address": "rule:admin_only" "admin_only": "rule:context_is_admin" "create_floatingip": "rule:regular_user" "create_floatingip_port_forwarding": "rule:admin_or_ext_parent_owner"
CNCF Cloud Native Interactive Landscape
https://landscape.cncf.io/
Remove obsolete port
http://www.panticz.de/OpenVswitch-cleanup-interfaces
Catalog
openstack catalog list
Check PSI on nodes
source /etc/kolla/admin-openrc.sh NODES="$(openstack compute service list -c Host -f value | sort -uV)" for PRESSUE in $(ls /proc/pressure/*); do echo "${PRESSUE}" for NODE in ${NODES}; do echo "${NODE} $(ssh ${NODE} cat ${PRESSUE} | paste - -)" done echo done
All-In-One Single LXC Container
https://docs.openstack.org/devstack/latest/guides/lxc.html
dynamic pollster
openstack metric measures show -r 4f7ed00f-08cc-406c-8470-f4e83fd88096 dynamic_pollster.compute.services.instance.status --start 2020-01-21 --stop 202'-12-31
Deployment statistics
https://www.stackalytics.com/
etcd
https://etcd.io/docs/v3.3/op-guide/runtime-configuration/
https://www.ibm.com/docs/en/mafe&u/2.5.0?topic=installation-adding-new-node-existing-etcd-calicol-network
ip -o -4 a | grep 10.33 | grep brd NODE_IP=10.33.x.x # Get bronken etcd node id docker exec -ti etcd etcdctl -C http://${NODE_IP}:2379 cluster-health docker exec -ti etcd etcdctl -C http://${NODE_IP}:2379 member list # Rmove broken node docker exec -ti etcd etcdctl -C http://${NODE_IP}:2379 member remove c591b0673f6f1111 # Fix etcd env variables on broken node docker exec -ti -u root etcd sed -i -e 's/^exec/exec env ETCD_INITIAL_CLUSTER_STATE="existing"/' /usr/local/bin/kolla_start # Stop broken nodes container docker stop etcd # Delete old etcd data on broken node rm -rf /var/lib/docker/volumes/kolla_etcd/_data/member/* # Add member to the cluster docker exec -ti etcd etcdctl -C http://10.33.11.12:2379 member add ctl2-prod http://10.33.11.10:2379 # Start etcd container on broken node (on ctl2-prod): docker start etcd # Check cluster status docker exec -ti etcd etcdctl -C http://10.33.11.12:2379 cluster-health # debug # docker exec -ti -u root etcd etcdctl --endpoints=http://10.33.44.55:2379 member list
OpenStack at serverfault
https://serverfault.com/tags/openstack/info
Rally test framework
https://github.com/openstack/rally
COA
https://coa.edu.mirantis.com/tool
List network extentions
openstack extension list --network -c Alias -c Name
Naming across cloud providers
https://docs.infomaniak.cloud/cheatsheet/
Links
https://www.openstack.org/software/
http://docs.openstack.org/developer/devstack/guides/single-vm.html
http://docs.openstack.org/liberty/install-guide-ubuntu/
http://docs.openstack.org/developer/devstack/
https://www.ubuntu.com/cloud
https://trickycloud.wordpress.com/
https://clouddocs.web.cern.ch/ - CERN OpenStack Private Cloud Guide