docs: Add notes to params from configmap examples (#6894)

Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>

examples/arguments-parameters-from-configmap.yaml

@@ -7,6 +7,8 @@ metadata:
   annotations:
     workflows.argoproj.io/description: |
       This example demonstrates loading parameter values from configmap.
+      Note that the "simple-parameters" ConfigMap (defined in examples/configmaps/simple-parameters-configmap.yaml)
+      needs to be created first before submitting this workflow.
     workflows.argoproj.io/verify.py: |
       assert status["phase"] == "Succeeded"
 spec:

examples/configmaps/simple-parameters-configmap.yaml

@@ -2,8 +2,8 @@ apiVersion: v1
 kind: ConfigMap
 metadata:
   name: simple-parameters
-  namespace: argo
   labels:
+    # Note that this label is required for the informer to detect this ConfigMap.
     workflows.argoproj.io/configmap-type: Parameter
 data:
   msg: 'hello world'

examples/global-parameters-from-configmap.yaml

@@ -7,6 +7,8 @@ metadata:
   annotations:
     workflows.argoproj.io/description: |
       This example demonstrates loading global parameter values from configmap.
+      Note that the "simple-parameters" ConfigMap (defined in examples/configmaps/simple-parameters-configmap.yaml)
+      needs to be created first before submitting this workflow.
     workflows.argoproj.io/verify.py: |
       assert status["phase"] == "Succeeded"
 spec:

hack/test-examples.sh

@@ -4,7 +4,7 @@ set -eu -o pipefail
 ./dist/argo delete -l workflows.argoproj.io/test
 
 # Load the configmaps that contains the parameter values used for certain examples.
-kubectl apply -f examples/configmaps/simple-parameters-configmap.yaml
+kubectl create -n argo -f examples/configmaps/simple-parameters-configmap.yaml
 
 grep -lR 'workflows.argoproj.io/test' examples/* | while read f ; do
   ./dist/argo submit --watch --verify $f