Gather NRO related data

Need to gather data regarding new NUMA resources operator but currently
must-gather does not collect this data.
Different approachs were discussed but in the end we have decided to
collect NRO data here to avoid creating new must-gather images.

Author: jlojosnegros

must-gather/collection-scripts/gather

@@ -6,7 +6,7 @@ echo "performance-addon-operator/must-gather" > /must-gather/version
 version >> /must-gather/version
 
 . namespace
-PAO_NAMESPACE=$( namespace )
+PAO_NAMESPACE=$( pao_namespace )
 
 # resource list
 resources=()
@@ -28,5 +28,7 @@ done
 # Collect nodes details
 /usr/bin/gather_nodes
 
+# Collect NRO details
+/usr/bin/gather_nro
 exit 0
 

must-gather/collection-scripts/gather_nro

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+# get crds
+for crd_name in numaresourcesschedulers.nodetopology.openshift.io numaresourcesoperators.nodetopology.openshift.io noderesourcetopologies.topology.node.k8s.io
+do
+    # get crd definition
+    oc adm inspect --dest-dir must-gather crd/${crd_name}
+
+    # get crd instances
+    oc adm inspect --dest-dir must-gather ${crd_name}
+done
+
+# Get NRO namespace and gather all the data there
+. namespace
+NRO_NAMESPACE=$(nro_namespace)
+
+oc adm inspect --dest-dir must-gather ns/${NRO_NAMESPACE}

must-gather/collection-scripts/namespace

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-function namespace() {
+function pao_namespace() {
   # we control the subs, so this is the most reliable way to get the namespace
   ns=$( oc get subs -A --field-selector metadata.name='performance-addon-operator-subscription' -o=jsonpath='{.items[0].metadata.namespace}{"\n"}' 2> /dev/null )
   # trying again with the pods, which are _usually_ reliable - but users can change them
@@ -11,3 +11,19 @@ function namespace() {
   [ -z "${ns}" ] && ns="openshift-operators"
   echo ${ns}
 }
+
+function nro_namespace() {
+  # we control the subs, so this is the most reliable way to get the namespace
+  ns=$( oc get subs -A --field-selector metadata.name='numaresources-operator-subscription' -o=jsonpath='{.items[0].metadata.namespace}{"\n"}' 2> /dev/null )
+
+  # trying again with the pods, which are _usually_ reliable - but users can change them
+  [ -z "${ns}" ] && ns=$( oc get pods -A -l name='resource-topology' -o=jsonpath='{.items[0].metadata.namespace}{"\n"}' 2> /dev/null ) 
+
+  # namespace suggested by the documentation. This is a fancier way to check for its existence
+  [ -z "${ns}" ] && ns=$(oc get ns openshift-numaresources -o=jsonpath='{.metadata.name}{"\n"}' 2> /dev/null )
+
+  # we should never get there. This is the last resort.
+  [ -z "${ns}" ] && ns="openshift-numaresources"
+
+  echo ${ns}
+}