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Add draft decommissioning instructions for cloudscale without Puppet LBs #436

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6 changes: 6 additions & 0 deletions docs/modules/ROOT/pages/how-tos/cloudscale/decommission-no-puppet.adoc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
:puppet_lbs: no
:needs_hieradata_edit: no

= Uninstallation on cloudscale (no Puppet-managed LBs)

include::page$how-tos/cloudscale/decommission.adoc[]
32 changes: 30 additions & 2 deletions docs/modules/ROOT/pages/how-tos/cloudscale/decommission.adoc
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
ifeval::["{puppet_lbs}" != "no"]
= Uninstallation on cloudscale
endif::[]

:provider: cloudscale

Expand Down Expand Up @@ -105,26 +107,32 @@ kubectl get nodes

. Configure Terraform secrets
+
[source,bash]
[source,bash,attributes="subs+"]
----
cat <<EOF > ./terraform.env
CLOUDSCALE_API_TOKEN
ifeval::["{puppet_lbs}" != "no"]
HIERADATA_REPO_TOKEN
endif::[]
EOF
----

include::partial$setup_terraform.adoc[]

ifeval::["{puppet_lbs}" != "no"]
include::partial$prepare-for-lb-decommission.adoc[]
endif::[]

. Delete resources from cloudscale using Terraform
+
[source,bash]
[source,bash,attributes="subs+"]
----
# The first time it will fail
terraform destroy
ifeval::["${puppet_lbs}" == "no"]
# Destroy a second time to delete private networks
terraform destroy
endif::[]
----
+
[source,bash]
Expand All @@ -148,6 +156,26 @@ for server_group_uuid in $(curl -H"Authorization: Bearer ${CLOUDSCALE_API_TOKEN}
done
----

ifeval::["{puppet_lbs}" == "no"]
. Delete the cloudscale subnet and private network
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@simu simu Oct 23, 2025

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TODO: add step to request nat gateway deletion from cloudscale

+
[source,bash]
----
SUBNET_UUID=$(yq '.parameters.openshift.cloudscale.subnet_uuid' \
"inventory/classes/${TENANT_ID}/${CLUSTER_ID}.yml")
NETWORK_UUID=$(curl -sH"Authorization: Bearer ${CLOUDSCALE_API_TOKEN}" \
"https://api.cloudscale.ch/v1/subnets/${SUBNET_UUID}" |\
jq -r ".network.uuid")

curl -H"Authorization: Bearer ${CLOUDSCALE_API_TOKEN}" \
"https://api.cloudscale.ch/v1/subnets/${SUBNET_UUID}" \
-XDELETE
curl -H"Authorization: Bearer ${CLOUDSCALE_API_TOKEN}" \
"https://api.cloudscale.ch/v1/networks/${NETWORK_UUID}" \
-XDELETE
----
endif::[]

. After all resources are deleted we need to remove the buckets
+
[source,bash]
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2 changes: 2 additions & 0 deletions docs/modules/ROOT/partials/nav.adoc
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Expand Up @@ -45,6 +45,7 @@
*** xref:oc4:ROOT:how-tos/cloudscale/enable-loadbalancer-service.adoc[Enable LoadBalancer Services]
*** xref:oc4:ROOT:how-tos/cloudscale/recover-etcd.adoc[Restore etcd]
*** xref:oc4:ROOT:how-tos/cloudscale/decommission.adoc[Decommissioning]
*** xref:oc4:ROOT:how-tos/cloudscale/decommission-no-puppet.adoc[Decommissioning (No Puppet LBs)]
*** xref:oc4:ROOT:how-tos/cloudscale/rotate-api-tokens.adoc[Rotate API Tokens]

** Exoscale
Expand Down Expand Up @@ -254,6 +255,7 @@

* Decommissioning
** xref:oc4:ROOT:how-tos/cloudscale/decommission.adoc[cloudscale.ch]
*** xref:oc4:ROOT:how-tos/cloudscale/decommission-no-puppet.adoc[cloudscale.ch (No Puppet LBs)]
** xref:oc4:ROOT:how-tos/exoscale/decommission.adoc[Exoscale]
** xref:oc4:ROOT:how-tos/destroy/gcp.adoc[Google Compute Cloud]

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2 changes: 2 additions & 0 deletions docs/modules/ROOT/partials/vshn-decommission.adoc
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@@ -1,3 +1,4 @@
ifeval::["{puppet_lbs}" != "no"]
. Decommission Puppet-managed LBs
+
TIP: See the https://vshnwiki.atlassian.net/wiki/spaces/VT/pages/8290422/How+To+Decommission+a+VM[VSHN documentation] (Internal link) for the full instructions.
Expand Down Expand Up @@ -86,6 +87,7 @@ for lb in ${LB_FQDNS[*]}; do
ssh "$backup_server" "rm -rfI ${backup}"
done
----
endif::[]

. Remove cluster DNS records from VSHN DNS zonefiles
+
Expand Down