diff --git a/cesnet-central/extra b/cesnet-central/extra
new file mode 120000
index 0000000000000000000000000000000000000000..440decb513324d2db7f1c9cd642408b22e72fb64
--- /dev/null
+++ b/cesnet-central/extra
@@ -0,0 +1 @@
+../common/extra
\ No newline at end of file
diff --git a/cesnet-central/playbooks/public_keys b/cesnet-central/playbooks/public_keys
new file mode 120000
index 0000000000000000000000000000000000000000..6ef4918a9eb6aba6c6076f8e4d42570f35735d86
--- /dev/null
+++ b/cesnet-central/playbooks/public_keys
@@ -0,0 +1 @@
+../../common/playbooks/public_keys
\ No newline at end of file
diff --git a/cesnet-mcc/deploy.sh b/cesnet-mcc/deploy.sh
index 687056880ece16e5557dd424c91d2e8d491e5330..2d30999705c5b85c4e304778fd2a7be01f08b476 100755
--- a/cesnet-mcc/deploy.sh
+++ b/cesnet-mcc/deploy.sh
@@ -20,6 +20,8 @@ for auth in $FEDCLOUD_DYNAMIC_DNS; do
 	curl -i -X GET -u "$auth" https://nsupdate.fedcloud.eu/nic/update?myip="$ip"
 done
 eval "$shellstate"
+echo "Terraform finished. Continue? (CTRL-C to quit)"
+read -r _
 
 # wait for ping and ssh
 for ip in $(cat terraform/hosts.txt); do
@@ -39,11 +41,12 @@ ansible -m copy -a 'src=terraform/nfs-volume.sh dest=/root/ mode=preserve' nfs
 ansible -m command -a '/root/nfs-volume.sh' nfs
 ansible -m copy -a 'src=terraform/squid-volume.sh dest=/root/ mode=preserve' 'ingress[0]'
 ansible -m command -a '/root/squid-volume.sh' 'ingress[0]'
-ansible -m copy -a 'src=terraform/docker-volume.sh dest=/root/ mode=preserve' 'ingress nfs worker'
-ansible -m command -a '/root/docker-volume.sh' 'ingress nfs worker'
 
 # k8s + notebooks
 ansible-playbook playbooks/k8s.yaml
 # ansible-playbook playbooks/squid.yaml
 # ansible-playbook playbooks/cvmfs.yaml
 while ansible -i ./inventory -m command -a 'kubectl get pods --all-namespaces' master | tail -n +3 | grep -v ' Running '; do sleep 5; done
+# docker runtime directory after Kubernetes deployment (problem with unmounts)
+ansible -m copy -a 'src=terraform/docker-volume.sh dest=/root/ mode=preserve' 'ingress nfs worker gpu'
+ansible -m command -a '/root/docker-volume.sh' 'ingress nfs worker gpu'
diff --git a/cesnet-mcc/extra b/cesnet-mcc/extra
index e5f031b315b7487e0c8b5952adb00b4894b15408..440decb513324d2db7f1c9cd642408b22e72fb64 120000
--- a/cesnet-mcc/extra
+++ b/cesnet-mcc/extra
@@ -1 +1 @@
-../cesnet-central/extra
\ No newline at end of file
+../common/extra
\ No newline at end of file
diff --git a/cesnet-mcc/playbooks/public_keys b/cesnet-mcc/playbooks/public_keys
index 3022cbb37a5a75d91fc46e99679527b5368e5806..6ef4918a9eb6aba6c6076f8e4d42570f35735d86 120000
--- a/cesnet-mcc/playbooks/public_keys
+++ b/cesnet-mcc/playbooks/public_keys
@@ -1 +1 @@
-../../cesnet-central/playbooks/public_keys
\ No newline at end of file
+../../common/playbooks/public_keys
\ No newline at end of file
diff --git a/cesnet-mcc/terraform/vms.tf b/cesnet-mcc/terraform/vms.tf
index 2f8d2e90fadc0afe6b06ab6b8c8732c7ea4eb0ee..deabb55405eb0f1a8ef3cdaa68e709d89ac2a798 100644
--- a/cesnet-mcc/terraform/vms.tf
+++ b/cesnet-mcc/terraform/vms.tf
@@ -1,6 +1,3 @@
-provider "openstack" {
-}
-
 locals {
   nodes = concat([
     openstack_compute_instance_v2.ingress,
@@ -217,12 +214,15 @@ if ! dumpe2fs -h "$device" >/dev/null 2>&1; then
 	mkfs.ext4 -L DOCKER "$device"
 	grep -q 'LABEL=DOCKER' /etc/fstab || /bin/echo -e "LABEL=DOCKER\t/var/lib/docker/overlay2\text4\tdefaults,x-systemd.before=local-fs.target\t0\t0" | tee -a /etc/fstab
 	mkdir -p /var/lib/docker/overlay2 2>/dev/null || true
-	service docker stop >/dev/null 2>&1 || true
+	systemctl stop docker kubelet >/dev/null 2>&1 || true
 	sleep 10
+	systemctl stop docker kubelet >/dev/null 2>&1 || true
+	umount /var/lib/docker/overlay2 2>&1 || true
 	mount "$device" /mnt
 	mv /var/lib/docker/overlay2/* /mnt >/dev/null 2>&1 || true
 	umount /mnt
 	mount -a
+	systemctl start docker kubelet >/dev/null 2>&1 || true
 fi
 EOT
 }
@@ -251,6 +251,7 @@ mkdir /var/spool/squid 2>/dev/null || true
 mount -a
 EOT
 }
+
 resource "local_file" "inventory" {
   filename        = "inventory.yaml"
   file_permission = "0644"
@@ -276,7 +277,7 @@ nfs:
 
 worker:
   hosts:
-    ${join(":\n    ", local.worker_ips)}:
+    ${join("\n    ", [for s in local.worker_ips: "${s}:"])}
 
 # using public IP of kube_server for ansible delegate_to
 kube_server:
diff --git a/cesnet-central/extra/README.md b/common/extra/README.md
similarity index 100%
rename from cesnet-central/extra/README.md
rename to common/extra/README.md
diff --git a/cesnet-central/extra/jupyter-dashboard.yaml b/common/extra/jupyter-dashboard.yaml
similarity index 100%
rename from cesnet-central/extra/jupyter-dashboard.yaml
rename to common/extra/jupyter-dashboard.yaml
diff --git a/cesnet-central/extra/k8s-dashboard.yaml b/common/extra/k8s-dashboard.yaml
similarity index 100%
rename from cesnet-central/extra/k8s-dashboard.yaml
rename to common/extra/k8s-dashboard.yaml
diff --git a/cesnet-central/playbooks/public_keys/andrea-manzi b/common/playbooks/public_keys/andrea-manzi
similarity index 100%
rename from cesnet-central/playbooks/public_keys/andrea-manzi
rename to common/playbooks/public_keys/andrea-manzi
diff --git a/cesnet-central/playbooks/public_keys/enolfc b/common/playbooks/public_keys/enolfc
similarity index 100%
rename from cesnet-central/playbooks/public_keys/enolfc
rename to common/playbooks/public_keys/enolfc
diff --git a/cesnet-central/playbooks/public_keys/jhradil b/common/playbooks/public_keys/jhradil
similarity index 100%
rename from cesnet-central/playbooks/public_keys/jhradil
rename to common/playbooks/public_keys/jhradil
diff --git a/cesnet-central/playbooks/public_keys/pailozian b/common/playbooks/public_keys/pailozian
similarity index 100%
rename from cesnet-central/playbooks/public_keys/pailozian
rename to common/playbooks/public_keys/pailozian
diff --git a/cesnet-central/playbooks/public_keys/pospisilp b/common/playbooks/public_keys/pospisilp
similarity index 100%
rename from cesnet-central/playbooks/public_keys/pospisilp
rename to common/playbooks/public_keys/pospisilp
diff --git a/cesnet-central/playbooks/public_keys/sustr b/common/playbooks/public_keys/sustr
similarity index 100%
rename from cesnet-central/playbooks/public_keys/sustr
rename to common/playbooks/public_keys/sustr
diff --git a/cesnet-central/playbooks/public_keys/valtri b/common/playbooks/public_keys/valtri
similarity index 100%
rename from cesnet-central/playbooks/public_keys/valtri
rename to common/playbooks/public_keys/valtri
diff --git a/staging/terraform/.gitignore b/common/terraform/.gitignore
similarity index 100%
rename from staging/terraform/.gitignore
rename to common/terraform/.gitignore
diff --git a/staging/terraform/cloud-init.yaml b/common/terraform/cloud-init.yaml
similarity index 100%
rename from staging/terraform/cloud-init.yaml
rename to common/terraform/cloud-init.yaml
diff --git a/staging/terraform/versions.tf b/common/terraform/versions.tf
similarity index 100%
rename from staging/terraform/versions.tf
rename to common/terraform/versions.tf
diff --git a/staging/extra b/staging/extra
deleted file mode 120000
index e5f031b315b7487e0c8b5952adb00b4894b15408..0000000000000000000000000000000000000000
--- a/staging/extra
+++ /dev/null
@@ -1 +0,0 @@
-../cesnet-central/extra
\ No newline at end of file
diff --git a/staging/playbooks/public_keys b/staging/playbooks/public_keys
deleted file mode 120000
index 3022cbb37a5a75d91fc46e99679527b5368e5806..0000000000000000000000000000000000000000
--- a/staging/playbooks/public_keys
+++ /dev/null
@@ -1 +0,0 @@
-../../cesnet-central/playbooks/public_keys
\ No newline at end of file
diff --git a/staging/ansible.cfg b/staging1/ansible.cfg
similarity index 100%
rename from staging/ansible.cfg
rename to staging1/ansible.cfg
diff --git a/staging/deploy.sh b/staging1/deploy.sh
similarity index 100%
rename from staging/deploy.sh
rename to staging1/deploy.sh
diff --git a/staging1/extra b/staging1/extra
new file mode 120000
index 0000000000000000000000000000000000000000..440decb513324d2db7f1c9cd642408b22e72fb64
--- /dev/null
+++ b/staging1/extra
@@ -0,0 +1 @@
+../common/extra
\ No newline at end of file
diff --git a/staging/inventory/1-psnc.yaml b/staging1/inventory/1-psnc.yaml
similarity index 100%
rename from staging/inventory/1-psnc.yaml
rename to staging1/inventory/1-psnc.yaml
diff --git a/staging/inventory/99-all.yaml b/staging1/inventory/99-all.yaml
similarity index 81%
rename from staging/inventory/99-all.yaml
rename to staging1/inventory/99-all.yaml
index 55b240016383772b198eac000a27ea65e8130593..835c93c3294d9c108bceb782525e16840bdd6b08 100644
--- a/staging/inventory/99-all.yaml
+++ b/staging1/inventory/99-all.yaml
@@ -15,4 +15,5 @@ all:
     site_name: psnc-staging
     vault_mount_point: secrets/users/e1662e20-e34b-468c-b0ce-d899bc878364@egi.eu/eosc-staging
 
-    grafana_hostname: grafana-stg.cloud.cesnet.cz
+    notebooks_hostname: notebooks-stg1.cloud.cesnet.cz
+    grafana_hostname: grafana-stg1.cloud.cesnet.cz
diff --git a/staging/playbooks/cvmfs.yaml b/staging1/playbooks/cvmfs.yaml
similarity index 100%
rename from staging/playbooks/cvmfs.yaml
rename to staging1/playbooks/cvmfs.yaml
diff --git a/staging/playbooks/files/calico.yaml b/staging1/playbooks/files/calico.yaml
similarity index 100%
rename from staging/playbooks/files/calico.yaml
rename to staging1/playbooks/files/calico.yaml
diff --git a/staging/playbooks/files/etc b/staging1/playbooks/files/etc
similarity index 100%
rename from staging/playbooks/files/etc
rename to staging1/playbooks/files/etc
diff --git a/staging/playbooks/files/usr b/staging1/playbooks/files/usr
similarity index 100%
rename from staging/playbooks/files/usr
rename to staging1/playbooks/files/usr
diff --git a/staging/playbooks/k8s.yaml b/staging1/playbooks/k8s.yaml
similarity index 100%
rename from staging/playbooks/k8s.yaml
rename to staging1/playbooks/k8s.yaml
diff --git a/staging1/playbooks/public_keys b/staging1/playbooks/public_keys
new file mode 120000
index 0000000000000000000000000000000000000000..6ef4918a9eb6aba6c6076f8e4d42570f35735d86
--- /dev/null
+++ b/staging1/playbooks/public_keys
@@ -0,0 +1 @@
+../../common/playbooks/public_keys
\ No newline at end of file
diff --git a/staging/playbooks/squid.yaml b/staging1/playbooks/squid.yaml
similarity index 100%
rename from staging/playbooks/squid.yaml
rename to staging1/playbooks/squid.yaml
diff --git a/staging/playbooks/templates/etc/exports b/staging1/playbooks/templates/etc/exports
similarity index 100%
rename from staging/playbooks/templates/etc/exports
rename to staging1/playbooks/templates/etc/exports
diff --git a/staging/playbooks/templates/etc/mailutils.conf b/staging1/playbooks/templates/etc/mailutils.conf
similarity index 100%
rename from staging/playbooks/templates/etc/mailutils.conf
rename to staging1/playbooks/templates/etc/mailutils.conf
diff --git a/staging/playbooks/templates/etc/squid/conf.d/allcluster.conf b/staging1/playbooks/templates/etc/squid/conf.d/allcluster.conf
similarity index 100%
rename from staging/playbooks/templates/etc/squid/conf.d/allcluster.conf
rename to staging1/playbooks/templates/etc/squid/conf.d/allcluster.conf
diff --git a/staging/playbooks/upgrade.yaml b/staging1/playbooks/upgrade.yaml
similarity index 100%
rename from staging/playbooks/upgrade.yaml
rename to staging1/playbooks/upgrade.yaml
diff --git a/staging1/terraform/.gitignore b/staging1/terraform/.gitignore
new file mode 120000
index 0000000000000000000000000000000000000000..a8093961f9ee555edef849b83c444706022c023a
--- /dev/null
+++ b/staging1/terraform/.gitignore
@@ -0,0 +1 @@
+../../common/terraform/.gitignore
\ No newline at end of file
diff --git a/staging1/terraform/cloud-init.yaml b/staging1/terraform/cloud-init.yaml
new file mode 120000
index 0000000000000000000000000000000000000000..f315687671b2c747efb8a03d692c7bd8bd86bf91
--- /dev/null
+++ b/staging1/terraform/cloud-init.yaml
@@ -0,0 +1 @@
+../../common/terraform/cloud-init.yaml
\ No newline at end of file
diff --git a/staging/terraform/network.tf b/staging1/terraform/network.tf
similarity index 100%
rename from staging/terraform/network.tf
rename to staging1/terraform/network.tf
diff --git a/staging/terraform/terraform.tfvars b/staging1/terraform/terraform.tfvars
similarity index 100%
rename from staging/terraform/terraform.tfvars
rename to staging1/terraform/terraform.tfvars
diff --git a/staging/terraform/vars.tf b/staging1/terraform/vars.tf
similarity index 100%
rename from staging/terraform/vars.tf
rename to staging1/terraform/vars.tf
diff --git a/staging1/terraform/versions.tf b/staging1/terraform/versions.tf
new file mode 120000
index 0000000000000000000000000000000000000000..b4eea0e6f9f99e56225b1308ca0813f3958b2474
--- /dev/null
+++ b/staging1/terraform/versions.tf
@@ -0,0 +1 @@
+../../common/terraform/versions.tf
\ No newline at end of file
diff --git a/staging/terraform/vms.tf b/staging1/terraform/vms.tf
similarity index 100%
rename from staging/terraform/vms.tf
rename to staging1/terraform/vms.tf
diff --git a/staging2/ansible.cfg b/staging2/ansible.cfg
new file mode 100644
index 0000000000000000000000000000000000000000..c3a73bec9aa17dbdd27c77947d8813866f7036e6
--- /dev/null
+++ b/staging2/ansible.cfg
@@ -0,0 +1,5 @@
+[defaults]
+inventory=inventory
+
+[diff]
+always=true
diff --git a/staging2/deploy.sh b/staging2/deploy.sh
new file mode 100755
index 0000000000000000000000000000000000000000..b871dc96991613c228eeffdfd0c96001999b6760
--- /dev/null
+++ b/staging2/deploy.sh
@@ -0,0 +1,52 @@
+#! /bin/bash -xe
+
+#
+# Deploy EOSC staging instance
+#
+
+cd terraform && terraform init && terraform apply
+cd -
+cp -pv terraform/inventory.yaml inventory/1-safespring.yaml
+
+# dynamic DNS
+ip="$(head -n 1 < terraform/fip.txt)"
+# shellstate=$(shopt -po xtrace)
+# set +o xtrace
+# # https://nsupdate.fedcloud.eu
+# vault_prefix=secrets/users/e1662e20-e34b-468c-b0ce-d899bc878364@egi.eu/eosc-staging
+# FEDCLOUD_DYNAMIC_DNS=$(vault read -field data $vault_prefix/FEDCLOUD_DYNAMIC_DNS | grep ^map | head -n 1 | sed 's/map\[\(.*\)\]/\1/')
+# for auth in $FEDCLOUD_DYNAMIC_DNS; do
+# 	echo "curl -i -X GET -u $(echo "$auth" | cut -d: -f1):XXX https://nsupdate.fedcloud.eu/nic/update?myip=$ip"
+# 	curl -i -X GET -u "$auth" https://nsupdate.fedcloud.eu/nic/update?myip="$ip"
+# done
+# eval "$shellstate"
+echo "Terraform finished. Continue? (CTRL-C to quit)"
+read -r _
+
+# wait for ping and ssh
+for ip in $(cat terraform/hosts.txt); do
+	while ! ping -c 1 "$ip"; do sleep 5; done
+	ssh-keygen -R "$ip"
+	while ! ssh egi@"$ip" -o ConnectTimeout=10 -o PreferredAuthentications=publickey -o StrictHostKeyChecking=no :; do sleep 10; done
+done
+
+# check ssh access
+ansible -m command -a 'uname -a' allnodes
+
+# wait cloud-init
+ansible -m shell -a 'while ! test -f /var/lib/cloud/instance/boot-finished; do sleep 2; done' allnodes
+
+# setup volumes
+ansible -m copy -a 'src=terraform/nfs-volume.sh dest=/root/ mode=preserve' nfs
+ansible -m command -a '/root/nfs-volume.sh' nfs
+ansible -m copy -a 'src=terraform/squid-volume.sh dest=/root/ mode=preserve' 'ingress[0]'
+ansible -m command -a '/root/squid-volume.sh' 'ingress[0]'
+
+# k8s + notebooks
+ansible-playbook playbooks/k8s.yaml
+# ansible-playbook playbooks/squid.yaml
+# ansible-playbook playbooks/cvmfs.yaml
+while ansible -i ./inventory -m command -a 'kubectl get pods --all-namespaces' master | tail -n +3 | grep -v ' Running '; do sleep 5; done
+# docker runtime directory after Kubernetes deployment (problem with unmounts)
+ansible -m copy -a 'src=terraform/docker-volume.sh dest=/root/ mode=preserve' 'ingress nfs worker gpu'
+ansible -m command -a '/root/docker-volume.sh' 'ingress nfs worker gpu'
diff --git a/staging2/extra b/staging2/extra
new file mode 120000
index 0000000000000000000000000000000000000000..440decb513324d2db7f1c9cd642408b22e72fb64
--- /dev/null
+++ b/staging2/extra
@@ -0,0 +1 @@
+../common/extra
\ No newline at end of file
diff --git a/staging2/inventory/99-all.yaml b/staging2/inventory/99-all.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..75f4d04a23df302db193d79b618a1e9d880be7cd
--- /dev/null
+++ b/staging2/inventory/99-all.yaml
@@ -0,0 +1,18 @@
+---
+allnodes:
+  children:
+    master:
+    ingress:
+    nfs:
+    worker:
+
+all:
+  vars:
+    ansible_become: yes
+    ansible_user: egi
+
+    site_name: safespring-staging
+    vault_mount_point: secrets/users/e1662e20-e34b-468c-b0ce-d899bc878364@egi.eu/eosc-staging
+
+    notebooks_hostname: notebooks-stg2.cloud.cesnet.cz
+    grafana_hostname: grafana-stg2.cloud.cesnet.cz
diff --git a/staging2/terraform/.gitignore b/staging2/terraform/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e15cf5f0280219a788276bcb4546e5806302376b
--- /dev/null
+++ b/staging2/terraform/.gitignore
@@ -0,0 +1,8 @@
+/.terraform/
+/.terraform.lock.hcl
+/fip.txt
+/hosts.txt
+/inventory.yaml
+/terraform.tfstate
+/terraform.tfstate.backup
+/*-volume.sh
diff --git a/staging2/terraform/cloud-init.yaml b/staging2/terraform/cloud-init.yaml
new file mode 120000
index 0000000000000000000000000000000000000000..58c76c65f9e66caf063015c77cc1dd75aad0583b
--- /dev/null
+++ b/staging2/terraform/cloud-init.yaml
@@ -0,0 +1 @@
+../../staging1/terraform/cloud-init.yaml
\ No newline at end of file
diff --git a/staging2/terraform/terraform.tfvars b/staging2/terraform/terraform.tfvars
new file mode 100644
index 0000000000000000000000000000000000000000..3462a545fa919ba85cfb506152aa76c5fc2e7b35
--- /dev/null
+++ b/staging2/terraform/terraform.tfvars
@@ -0,0 +1,30 @@
+# These need to be defined for things to work
+ip_pool  = "PSNC-PUB1-EDU"
+net_name = "public"
+site_name = "staging2"
+
+# These may need some adjustment for your provider
+master_cpus = 4
+master_ram  = 8192
+worker_cpus = 4
+worker_ram  = 8192
+# XXX: replace this for GPU flavor, once available
+gpu_flavor_name = "l2.c2r4.100"
+
+# Number of extra workers
+extra_workers = 1
+
+# Number of GPU workers
+gpu_workers = 0
+
+# volumes for docker
+docker_volumes_size = 384
+
+# NFS volume
+nfs_volume_size = 256
+
+# scratch volume
+scratch_volumes_size = 128
+
+# squid volume
+squid_volume_size = 128
diff --git a/staging2/terraform/vars.tf b/staging2/terraform/vars.tf
new file mode 100644
index 0000000000000000000000000000000000000000..797ce3fe68eb1c2b3f88c0ec052fb04ca71a3e79
--- /dev/null
+++ b/staging2/terraform/vars.tf
@@ -0,0 +1,64 @@
+variable "ip_pool" {
+  type        = string
+  description = "The name of the public IP pool for the servers"
+}
+
+variable "site_name" {
+  type        = string
+  description = "Site identifier for internal host names"
+}
+
+variable "gpu_flavor_name" {
+  type = string
+  description = "Name of the GPU flavor"
+}
+
+variable "master_cpus" {
+  type        = number
+  description = "Number of CPUs for the master"
+}
+
+variable "master_ram" {
+  type        = number
+  description = "RAM for the master"
+}
+
+variable "worker_cpus" {
+  type        = number
+  description = "Number of CPUs for the worker"
+}
+
+variable "worker_ram" {
+  type        = number
+  description = "RAM for the worker"
+}
+
+variable "extra_workers" {
+  type        = number
+  description = "Number of extra workers to create"
+}
+
+variable "gpu_workers" {
+  type        = number
+  description = "Number of GPU workers to create"
+}
+
+variable "docker_volumes_size" {
+  type        = number
+  description = "Size of volumes for docker (GB)"
+}
+
+variable "nfs_volume_size" {
+  type        = number
+  description = "Size of volume for NFS server (GB)"
+}
+
+variable "scratch_volumes_size" {
+  type        = number
+  description = "Size of volume for ephemeral volumes (GB)"
+}
+
+variable "squid_volume_size" {
+  type        = number
+  description = "Size of volume for squid proxy, CVMFS cache (GB)"
+}
diff --git a/staging2/terraform/versions.tf b/staging2/terraform/versions.tf
new file mode 120000
index 0000000000000000000000000000000000000000..f2cc6c580f7e5a838c570744dda896209ab837f9
--- /dev/null
+++ b/staging2/terraform/versions.tf
@@ -0,0 +1 @@
+../../staging1/terraform/versions.tf
\ No newline at end of file
diff --git a/staging2/terraform/vms.tf b/staging2/terraform/vms.tf
new file mode 100644
index 0000000000000000000000000000000000000000..bed0b9fdccd008e29eb2bb4e3fe7b605a1aaa8ea
--- /dev/null
+++ b/staging2/terraform/vms.tf
@@ -0,0 +1,339 @@
+locals {
+  nodes = concat([
+    openstack_compute_instance_v2.ingress,
+    openstack_compute_instance_v2.nfs,
+  ], openstack_compute_instance_v2.worker[*], openstack_compute_instance_v2.gpu[*])
+  master_ip = replace(openstack_compute_instance_v2.master.network[0].fixed_ip_v6, "/\\[(.*)\\]/", "$1")
+  ingress_ip = replace(openstack_compute_instance_v2.ingress.network[0].fixed_ip_v6, "/\\[(.*)\\]/", "$1")
+  nfs_ip = replace(openstack_compute_instance_v2.nfs.network[0].fixed_ip_v6, "/\\[(.*)\\]/", "$1")
+  worker_ips = [for s in openstack_compute_instance_v2.worker[*].network[0].fixed_ip_v6 : replace(s, "/\\[(.*)\\]/", "$1")]
+  gpu_ips = [for s in openstack_compute_instance_v2.gpu[*].network[0].fixed_ip_v6 : replace(s, "/\\[(.*)\\]/", "$1")]
+}
+
+# Security groups
+
+resource "openstack_networking_secgroup_v2" "ping" {
+  name        = "ping"
+  description = "ICMP for ping"
+}
+
+resource "openstack_networking_secgroup_v2" "ssh" {
+  name        = "ssh"
+  description = "ssh connection"
+}
+
+resource "openstack_networking_secgroup_v2" "http" {
+  name        = "http"
+  description = "http/https"
+}
+
+resource "openstack_networking_secgroup_rule_v2" "ping4" {
+  direction         = "ingress"
+  ethertype         = "IPv4"
+  port_range_min    = 8
+  port_range_max    = 0
+  protocol          = "icmp"
+  remote_ip_prefix  = "0.0.0.0/0"
+  security_group_id = openstack_networking_secgroup_v2.ping.id
+}
+
+resource "openstack_networking_secgroup_rule_v2" "ping6" {
+  direction         = "ingress"
+  ethertype         = "IPv6"
+  port_range_min    = 128
+  port_range_max    = 0
+  protocol          = "icmp"
+  remote_ip_prefix  = "::/0"
+  security_group_id = openstack_networking_secgroup_v2.ping.id
+}
+
+resource "openstack_networking_secgroup_rule_v2" "ssh4" {
+  direction         = "ingress"
+  ethertype         = "IPv4"
+  port_range_min    = 22
+  port_range_max    = 22
+  protocol          = "tcp"
+  remote_ip_prefix  = "0.0.0.0/0"
+  security_group_id = openstack_networking_secgroup_v2.ssh.id
+}
+
+resource "openstack_networking_secgroup_rule_v2" "ssh6" {
+  direction         = "ingress"
+  ethertype         = "IPv6"
+  port_range_min    = 22
+  port_range_max    = 22
+  protocol          = "tcp"
+  remote_ip_prefix  = "::/0"
+  security_group_id = openstack_networking_secgroup_v2.ssh.id
+}
+
+resource "openstack_networking_secgroup_rule_v2" "http4" {
+  direction         = "ingress"
+  ethertype         = "IPv4"
+  port_range_min    = 80
+  port_range_max    = 80
+  protocol          = "tcp"
+  remote_ip_prefix  = "0.0.0.0/0"
+  security_group_id = openstack_networking_secgroup_v2.http.id
+}
+
+resource "openstack_networking_secgroup_rule_v2" "http6" {
+  direction         = "ingress"
+  ethertype         = "IPv6"
+  port_range_min    = 80
+  port_range_max    = 80
+  protocol          = "tcp"
+  remote_ip_prefix  = "::/0"
+  security_group_id = openstack_networking_secgroup_v2.http.id
+}
+
+resource "openstack_networking_secgroup_rule_v2" "https4" {
+  direction         = "ingress"
+  ethertype         = "IPv4"
+  port_range_min    = 443
+  port_range_max    = 443
+  protocol          = "tcp"
+  remote_ip_prefix  = "0.0.0.0/0"
+  security_group_id = openstack_networking_secgroup_v2.http.id
+}
+
+resource "openstack_networking_secgroup_rule_v2" "https6" {
+  direction         = "ingress"
+  ethertype         = "IPv6"
+  port_range_min    = 443
+  port_range_max    = 443
+  protocol          = "tcp"
+  remote_ip_prefix  = "::/0"
+  security_group_id = openstack_networking_secgroup_v2.http.id
+}
+
+resource "openstack_networking_floatingip_v2" "public_ip" {
+  pool = var.ip_pool
+}
+
+data "openstack_images_image_v2" "ubuntu" {
+  name = "ubuntu-22.04"
+}
+
+data "openstack_compute_flavor_v2" "master-flavor" {
+  vcpus = var.master_cpus
+  ram   = var.master_ram
+}
+
+data "openstack_compute_flavor_v2" "worker-flavor" {
+  vcpus = var.worker_cpus
+  ram   = var.worker_ram
+}
+
+data "openstack_compute_flavor_v2" "gpu-flavor" {
+  name = var.gpu_flavor_name
+}
+
+resource "openstack_compute_instance_v2" "master" {
+  name     = "k8s-${var.site_name}-master"
+  image_id = data.openstack_images_image_v2.ubuntu.id
+  flavor_id       = data.openstack_compute_flavor_v2.master-flavor.id
+  security_groups = ["default", openstack_networking_secgroup_v2.ping.name, openstack_networking_secgroup_v2.ssh.name]
+  user_data       = file("cloud-init.yaml")
+  tags            = ["master"]
+  network {
+    name = var.net_name
+  }
+}
+
+resource "openstack_compute_instance_v2" "nfs" {
+  name            = "k8s-${var.site_name}-nfs"
+  image_id        = data.openstack_images_image_v2.ubuntu.id
+  flavor_id       = data.openstack_compute_flavor_v2.worker-flavor.id
+  security_groups = ["default", openstack_networking_secgroup_v2.ping.name, openstack_networking_secgroup_v2.ssh.name]
+  user_data       = file("cloud-init.yaml")
+  tags            = ["worker"]
+  network {
+    name = var.net_name
+  }
+}
+
+resource "openstack_compute_instance_v2" "ingress" {
+  name            = "k8s-${var.site_name}-w-ingress"
+  image_id        = data.openstack_images_image_v2.ubuntu.id
+  flavor_id       = data.openstack_compute_flavor_v2.worker-flavor.id
+  security_groups = ["default", openstack_networking_secgroup_v2.ping.name, openstack_networking_secgroup_v2.ssh.name, openstack_networking_secgroup_v2.http.name]
+  user_data       = file("cloud-init.yaml")
+  tags            = ["worker"]
+  network {
+    name = var.net_name
+  }
+}
+
+resource "openstack_compute_instance_v2" "worker" {
+  count           = var.extra_workers
+  name            = "k8s-${var.site_name}-worker-${count.index}"
+  image_id        = data.openstack_images_image_v2.ubuntu.id
+  flavor_id       = data.openstack_compute_flavor_v2.worker-flavor.id
+  security_groups = ["default", openstack_networking_secgroup_v2.ping.name, openstack_networking_secgroup_v2.ssh.name]
+  user_data       = file("cloud-init.yaml")
+  tags            = ["worker"]
+  network {
+    name = var.net_name
+  }
+}
+
+resource "openstack_compute_instance_v2" "gpu" {
+  count           = var.gpu_workers
+  name            = "k8s-${var.site_name}-gpu-${count.index}"
+  image_id        = data.openstack_images_image_v2.ubuntu.id
+  flavor_id       = data.openstack_compute_flavor_v2.gpu-flavor.id
+  security_groups = ["default", openstack_networking_secgroup_v2.ping.name, openstack_networking_secgroup_v2.ssh.name]
+  user_data       = file("cloud-init.yaml")
+  tags = ["worker"]
+  network {
+    name = var.net_name
+  }
+}
+
+resource "openstack_blockstorage_volume_v3" "nfs-volume" {
+  name = "nfs"
+  size = var.nfs_volume_size
+}
+
+resource "openstack_compute_volume_attach_v2" "nfs-volume-attach" {
+  instance_id = openstack_compute_instance_v2.nfs.id
+  volume_id   = openstack_blockstorage_volume_v3.nfs-volume.id
+}
+
+resource "local_file" "volume-script" {
+  filename        = "nfs-volume.sh"
+  file_permission = "0755"
+  content         = <<EOT
+#! /bin/bash -xe
+if ! dpkg-query -s xfsprogs >/dev/null 2>&1; then
+	apt-get update
+	apt-get install -y xfsprogs
+fi
+device="${openstack_compute_volume_attach_v2.nfs-volume-attach.device}"
+mkfs.xfs -L NFS "$device" || true
+grep -q 'LABEL=NFS' /etc/fstab || /bin/echo -e "LABEL=NFS\t/exports\txfs\tdefaults,uquota,pquota\t0\t0" | tee -a /etc/fstab
+mkdir /exports 2>/dev/null || true
+mount -a
+EOT
+}
+
+resource "openstack_blockstorage_volume_v3" "docker-volume" {
+  count = var.extra_workers + var.gpu_workers + 2
+  name  = format("docker-%s", local.nodes[count.index].name)
+  size  = var.docker_volumes_size
+}
+
+resource "openstack_compute_volume_attach_v2" "docker-volume-attach" {
+  count       = var.extra_workers + var.gpu_workers + 2
+  instance_id = local.nodes[count.index].id
+  volume_id   = openstack_blockstorage_volume_v3.docker-volume[count.index].id
+}
+
+resource "local_file" "docker-volume-script" {
+  filename        = "docker-volume.sh"
+  file_permission = "0755"
+  content         = <<EOT
+#! /bin/bash -xe
+volumes="${join("\n", [for n, d in zipmap(tolist(local.nodes[*].name), tolist(openstack_compute_volume_attach_v2.docker-volume-attach[*].device)) : format("%s:%s", n, d)])}"
+volume=$(echo "$volumes" | grep "$(hostname):")
+device=$(echo "$volume" | cut -d: -f2)
+if ! dumpe2fs -h "$device" >/dev/null 2>&1; then
+	mkfs.ext4 -L DOCKER "$device"
+	grep -q 'LABEL=DOCKER' /etc/fstab || /bin/echo -e "LABEL=DOCKER\t/var/lib/docker/overlay2\text4\tdefaults,x-systemd.before=local-fs.target\t0\t0" | tee -a /etc/fstab
+	mkdir -p /var/lib/docker/overlay2 2>/dev/null || true
+	systemctl stop docker kubelet >/dev/null 2>&1 || true
+	sleep 10
+	systemctl stop docker kubelet >/dev/null 2>&1 || true
+	umount /var/lib/docker/overlay2 2>&1 || true
+	mount "$device" /mnt
+	mv /var/lib/docker/overlay2/* /mnt >/dev/null 2>&1 || true
+	umount /mnt
+	mount -a
+	systemctl start docker kubelet >/dev/null 2>&1 || true
+fi
+EOT
+}
+
+resource "openstack_blockstorage_volume_v3" "squid-volume" {
+  name = "squid"
+  size = var.squid_volume_size
+}
+
+resource "openstack_compute_volume_attach_v2" "squid-volume-attach" {
+  instance_id = openstack_compute_instance_v2.ingress.id
+  volume_id   = openstack_blockstorage_volume_v3.squid-volume.id
+}
+
+resource "local_file" "squid-volume-script" {
+  filename        = "squid-volume.sh"
+  file_permission = "0755"
+  content         = <<EOT
+#! /bin/bash -xe
+device="${openstack_compute_volume_attach_v2.squid-volume-attach.device}"
+if ! dumpe2fs -h "$device" >/dev/null 2>&1; then
+	mkfs.ext4 -L SQUID "$device"
+fi
+grep -q 'LABEL=SQUID' /etc/fstab || /bin/echo -e "LABEL=SQUID\t/var/spool/squid\text4\tdefaults,x-systemd.before=local-fs.target\t0\t0" | tee -a /etc/fstab
+mkdir /var/spool/squid 2>/dev/null || true
+mount -a
+EOT
+}
+
+resource "local_file" "inventory" {
+  filename        = "inventory.yaml"
+  file_permission = "0644"
+  content         = <<EOT
+---
+fip:
+  hosts:
+    ${openstack_compute_instance_v2.ingress.network[0].fixed_ip_v4}
+
+master:
+  hosts:
+    ${local.master_ip}:
+      # must be IPv4 address or hostname
+      kube_server: ${openstack_compute_instance_v2.master.network[0].fixed_ip_v4}
+
+ingress:
+  hosts:
+    ${local.ingress_ip}:
+
+nfs:
+  hosts:
+    ${local.nfs_ip}:
+
+worker:
+  hosts:
+    ${join("\n    ", [for s in local.worker_ips: "${s}:"])}
+
+gpu:
+  hosts:
+    ${join("\n    ", [for s in local.gpu_ips : "${s}:"])}
+
+# using public IP of kube_server for ansible delegate_to
+kube_server:
+  hosts:
+    ${openstack_compute_instance_v2.master.network[0].fixed_ip_v4}:
+      ansible_host: ${local.master_ip}
+EOT
+}
+
+resource "local_file" "fip" {
+  filename        = "fip.txt"
+  file_permission = "0644"
+  content         = <<EOT
+${openstack_compute_instance_v2.ingress.network[0].fixed_ip_v4}
+EOT
+}
+
+resource "local_file" "hosts" {
+  filename        = "hosts.txt"
+  file_permission = "0644"
+  content         = <<EOT
+${local.master_ip}
+${local.ingress_ip}
+${local.nfs_ip}
+${join("\n", concat(local.worker_ips, local.gpu_ips))}
+EOT
+}
diff --git a/testing/extra b/testing/extra
index e5f031b315b7487e0c8b5952adb00b4894b15408..440decb513324d2db7f1c9cd642408b22e72fb64 120000
--- a/testing/extra
+++ b/testing/extra
@@ -1 +1 @@
-../cesnet-central/extra
\ No newline at end of file
+../common/extra
\ No newline at end of file
diff --git a/testing/playbooks/public_keys b/testing/playbooks/public_keys
index 3022cbb37a5a75d91fc46e99679527b5368e5806..6ef4918a9eb6aba6c6076f8e4d42570f35735d86 120000
--- a/testing/playbooks/public_keys
+++ b/testing/playbooks/public_keys
@@ -1 +1 @@
-../../cesnet-central/playbooks/public_keys
\ No newline at end of file
+../../common/playbooks/public_keys
\ No newline at end of file