update: scripts / docs (#26)

README.md

@@ -14,8 +14,9 @@ The intention of this repository is to help support practical use of OpenShift f
 
 - OpenShift 4.8+
 
-Red Hat Demo Platform Options
+Red Hat Demo Platform Options (Tested)
 
+- `AWS with OpenShift Open Environment` - control plane size is `m5.4xlarge`
 - `MLOps Demo: Data Science & Edge Practice`
 - `Red Hat OpenShift Container Platform 4 Demo`
 
@@ -38,7 +39,7 @@ oc whoami
 git clone <repo>
 ```
 
-### Cluster Quick Start
+### Cluster Quick Start for OpenShift GitOps
 
 Execute the following script:
 
@@ -50,12 +51,13 @@ The `bootstrap.sh` script will:
 
 - Install the [OpenShift GitOps Operator](components/operators/openshift-gitops-operator)
 - Create an [ArgoCD instance](components/operators/openshift-gitops-operator/instance/base/openshift-gitops-cr.yaml) in the `openshift-gitops` namespace
-<!-- - Bootstrap a set of ArgoCD applications to configure the cluster -->
 
-You can run individual [functions](scripts/functions.sh) in a `bash` shell:
+Many common operational tasks are provided in the [scripts library](scripts/library/). You can run individual [functions](scripts/functions.sh) in a `bash` shell:
 
 ```sh
 source scripts/functions.sh
+
+get_functions
 ```
 
 <!-- ### Sealed Secrets Bootstrap
@@ -88,10 +90,7 @@ scripts/lint.sh
 
 ## Additional Info
 
-- [Repo Docs](docs) - not everything fits in your head
-- [Using this repo effectively](docs/APPS.md)
-- [Fix GitHub Oauth](docs/LOGIN.md)
-- [ArgoCD - Repo Specific](docs/ARGOCD.md)
+- [Misc Docs](docs) - not everything fits in your head
 
 ## External Links
 

scripts/library/ocp.sh

@@ -123,16 +123,26 @@ ocp_control_nodes_schedulable(){
   oc patch schedulers.config.openshift.io/cluster --type merge --patch '{"spec":{"mastersSchedulable": true}}'
 }
 
+ocp_set_scheduler_profile(){
+  SCHED_PROFILE=${1:-LowNodeUtilization}
+
+  # LowNodeUtilization, HighNodeUtilization, NoScoring
+  echo "see https://docs.openshift.com/container-platform/4.11/nodes/scheduling/nodes-scheduler-profiles.html"
+
+  oc patch schedulers.config.openshift.io/cluster --type merge --patch '{"spec":{"profile": "'"${SCHED_PROFILE}"'"}}' 
+}
+
 # save money in aws
 ocp_save_money(){
+
   # run work on masters
   ocp_control_nodes_schedulable
 
   # scale to zero
   ocp_scale_machineset 0
 
-  # https://docs.openshift.com/container-platform/4.11/nodes/scheduling/nodes-scheduler-profiles.html
-  oc patch schedulers.config.openshift.io/cluster --type merge --patch '{"spec":{"profile": "HighNodeUtilization"}}' 
+  # place as many pods on as few nodes as possible
+  ocp_set_scheduler_profile HighNodeUtilization
 }
 
 ocp_expose_image_registry(){

scripts/library/rhdp.sh

@@ -26,7 +26,8 @@ rhdp_fix_api_certs(){
 
   CERT_NAME=$(oc -n openshift-ingress-operator get ingresscontrollers default --template='{{.spec.defaultCertificate.name}}')
   # API_HOST_NAME=$(oc -n openshift-console extract cm/console-config --to=- | sed -n '/masterPublicURL/ s/.*:\/\///; s/:6443//p')
-  API_HOST_NAME=$(oc whoami --show-server | sed 's@https://@@; s@:.*@@')
+  # API_HOST_NAME=$(oc whoami --show-server | sed 's@https://@@; s@:.*@@')
+  API_HOST_NAME=api.$(oc -n openshift-ingress-operator get dns cluster --template='{{.spec.baseDomain}}')
 
   oc -n openshift-ingress get secret "${CERT_NAME}" -o yaml | \
     sed 's/namespace: .*/namespace: openshift-config/' | \

scripts/library/unsorted.sh

@@ -11,7 +11,7 @@ until_true(){
   echo "[OK]"
 }
 
-local_argocd(){
+fake_argocd(){
   if [ ! -f "${1}/kustomization.yaml" ]; then
     echo "Please provide a dir with \"kustomization.yaml\""
     return