Fix README typos

Signed-off-by: Raul Sevilla <[email protected]>

.github/workflows/go.yml

@@ -46,15 +46,17 @@ jobs:
     - name: Cache prometheus
       uses: actions/cache@v2
       with:
-        path: ~/prometheus-2.22.0.linux-amd64
+        path: /prometheus-2.22.0.linux-amd64
         key: prometheus
 
-    - name: Download prometheus binary
-      run: curl -L https://github.com/prometheus/prometheus/releases/download/v2.22.0/prometheus-2.22.0.linux-amd64.tar.gz | tar xz
+    - name: Download prometheus
+      run: |
+        [[ ! -f prometheus-2.22.0.linux-amd64/prometheus ]] && curl -sSL https://github.com/prometheus/prometheus/releases/download/v2.22.0/prometheus-2.22.0.linux-amd64.tar.gz | tar xz
 
-    - name: Start prometheus server
-      working-directory: ~/prometheus-2.22.0.linux-amd64
-      run: ./prometheus --storage.tsdb.path=/tmp/promdata 2>/dev/null &
+    - name: Run prometheus
+      run: |
+        pushd prometheus-2.22.0.linux-amd64
+        ./prometheus --storage.tsdb.path=/tmp/promdata 2>/dev/null &
 
     - name: Build
       run: make build

README.md

@@ -263,7 +263,7 @@ spec:
   type: ClusterIP
 ```
 
-It's worth to say that you can also more advanced [golang template semantics](https://golang.org/pkg/text/template/) on your objectTemplate files.
+It's worth to say that you can also use [golang template semantics](https://golang.org/pkg/text/template/) in your *objectTemplate* files.
 
 ```yaml
 kind: ImageStream
@@ -396,21 +396,21 @@ An example of how to configure this measurement to collect pprof HEAP and CPU pr
 
 ```yaml
    measurements:
-    - name: pprof
-      pprofInterval: 5m
-      pprofDirectory: pprof-data
-      pprofTargets:
-        - name: kube-apiserver-heap
-          namespace: "openshift-kube-apiserver"
-          labelSelector: {app: openshift-kube-apiserver}
-          bearerToken: thisIsNotAValidToken
-          url: https://localhost:6443/debug/pprof/heap
-
-        - name: kube-apiserver-cpu
-          namespace: "openshift-kube-apiserver"
-          labelSelector: {app: openshift-kube-apiserver}
-          bearerToken: thisIsNotAValidToken
-          url: https://localhost:6443/debug/pprof/profile?timeout=30
+   - name: pprof
+     pprofInterval: 5m
+     pprofDirectory: pprof-data
+     pprofTargets:
+     - name: kube-apiserver-heap
+       namespace: "openshift-kube-apiserver"
+       labelSelector: {app: openshift-kube-apiserver}
+       bearerToken: thisIsNotAValidToken
+       url: https://localhost:6443/debug/pprof/heap
+
+     - name: kube-apiserver-cpu
+       namespace: "openshift-kube-apiserver"
+       labelSelector: {app: openshift-kube-apiserver}
+       bearerToken: thisIsNotAValidToken
+       url: https://localhost:6443/debug/pprof/profile?timeout=30
 ```
 
 **Note**: As mentioned before, this measurement requires cURL to be installed in the target pods.

test/kind.yml

@@ -2,3 +2,4 @@ kind: Cluster
 apiVersion: kind.x-k8s.io/v1alpha4
 nodes:
 - role: control-plane
+- role: worker

test/metrics-profile.yaml

@@ -1,2 +1,3 @@
+metrics:
 - query: process_resident_memory_bytes{job="prometheus"}
   metricName: prometheusRSS