From 67cac79cc8b1fb07d34d42346ba6cf5c89dbb4c6 Mon Sep 17 00:00:00 2001
From: Doug Goldstein <doug.goldstein@rackspace.com>
Date: Fri, 13 Sep 2024 14:07:15 -0500
Subject: [PATCH] feat: set minimal PDB for OpenStack APIs

Set a minimal Pod Disruption Budget for OpenStack APIs of 1 pod as a
starting point.
---
 components/glance/aio-values.yaml    | 6 ++++++
 components/ironic/aio-values.yaml    | 4 ++++
 components/keystone/aio-values.yaml  | 4 ++++
 components/neutron/aio-values.yaml   | 4 ++++
 components/nova/aio-values.yaml      | 6 ++++++
 components/placement/aio-values.yaml | 6 ++++++
 6 files changed, 30 insertions(+)

diff --git a/components/glance/aio-values.yaml b/components/glance/aio-values.yaml
index 4eb1d4f9..dd4c946d 100644
--- a/components/glance/aio-values.yaml
+++ b/components/glance/aio-values.yaml
@@ -45,6 +45,12 @@ dependencies:
         - glance-ks-user
         - glance-ks-endpoints
 
+pod:
+  lifecycle:
+    disruption_budget:
+      api:
+        min_available: 1
+
 manifests:
   job_db_init: false
   job_rabbit_init: false
diff --git a/components/ironic/aio-values.yaml b/components/ironic/aio-values.yaml
index 0a5b4492..053d9a23 100644
--- a/components/ironic/aio-values.yaml
+++ b/components/ironic/aio-values.yaml
@@ -151,6 +151,10 @@ pod:
           - name: host-var-lib-understack
             hostPath:
               path: /var/lib/understack
+  lifecycle:
+    disruption_budget:
+      api:
+        min_available: 1
 
 # we don't want to enable OpenStack Helm's
 # helm.sh/hooks because they set them as
diff --git a/components/keystone/aio-values.yaml b/components/keystone/aio-values.yaml
index f67ef2f4..86eecbe5 100644
--- a/components/keystone/aio-values.yaml
+++ b/components/keystone/aio-values.yaml
@@ -217,6 +217,10 @@ pod:
           - name: keystone-sso
             secret:
               secretName: keystone-sso
+  lifecycle:
+    disruption_budget:
+      api:
+        min_available: 1
 
 conf:
   keystone:
diff --git a/components/neutron/aio-values.yaml b/components/neutron/aio-values.yaml
index dc7f0841..e4463bcf 100644
--- a/components/neutron/aio-values.yaml
+++ b/components/neutron/aio-values.yaml
@@ -43,6 +43,10 @@ conf:
 pod:
   use_fqdn:
     neutron_agent: false
+  lifecycle:
+    disruption_budget:
+      server:
+        min_available: 1
 
 # (nicholas.kuechler) updating the jobs list to remove the 'neutron-rabbit-init' job.
 dependencies:
diff --git a/components/nova/aio-values.yaml b/components/nova/aio-values.yaml
index b2ed8692..29ed6612 100644
--- a/components/nova/aio-values.yaml
+++ b/components/nova/aio-values.yaml
@@ -101,6 +101,12 @@ dependencies:
       jobs:
         - nova-db-sync
 
+pod:
+  lifecycle:
+    disruption_budget:
+      osapi:
+        min_available: 1
+
 manifests:
   job_db_init: false
   job_rabbit_init: false
diff --git a/components/placement/aio-values.yaml b/components/placement/aio-values.yaml
index 09cc077f..6bf2e946 100644
--- a/components/placement/aio-values.yaml
+++ b/components/placement/aio-values.yaml
@@ -17,6 +17,12 @@ dependencies:
     db_sync:
       jobs:
 
+pod:
+  lifecycle:
+    disruption_budget:
+      api:
+        min_available: 1
+
 manifests:
   job_db_init: false