Automation Orchestrator install and tweaks

roles/sno_etcd_defrag/meta/argument_specs.yml

@@ -0,0 +1,26 @@
+---
+argument_specs:
+  main:
+    short_description: Defragment etcd on a single-control-plane OpenShift cluster
+    description:
+      - cluster-etcd-operator disables automatic defragmentation on SingleReplica topology.
+        This role defragments the local member when fragmentation exceeds the thresholds of
+        the etcdDatabaseHighFragmentationRatio alert, then clears any NOSPACE alarm.
+      - Blocks etcd for the duration of the defrag. Requires pods/exec in openshift-etcd.
+    options:
+      sno_etcd_defrag_max_in_use_ratio:
+        description: Defragment when dbSizeInUse / dbSize is below this ratio.
+        type: float
+        default: 0.5
+      sno_etcd_defrag_min_db_size_bytes:
+        description: Skip defragmentation when the database is smaller than this.
+        type: int
+        default: 104857600
+      sno_etcd_defrag_command_timeout:
+        description: etcdctl --command-timeout for the defrag, in seconds.
+        type: int
+        default: 60
+      sno_etcd_defrag_force:
+        description: Defragment regardless of the thresholds.
+        type: bool
+        default: false