chore(demo): add TRUNK option for deploying snapshot builds (#35)

Enable deployment of snapshot builds by running the script with `TRUNK=true`.
In this mode, the latest snapshots of both CloudNativePG and the Barman Cloud
plugin are used; otherwise, the latest stable releases are applied.

Closes #34

Signed-off-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com>

Author: gbartolini

demo/README.md

@@ -38,7 +38,7 @@ the two regions using:
 ```
 
 This process takes a few minutes to complete.
-It installs the latest snapshot version of CloudNativePG, cert-manager, and the
+It installs the latest version of CloudNativePG, cert-manager, and the
 [Barman Cloud plugin](https://cloudnative-pg.io/plugin-barman-cloud/),
 followed by the deployment of the two PostgreSQL clusters.
 
@@ -49,6 +49,13 @@ Barman Cloud code instead of the Barman Cloud Plugin, simply run:
 LEGACY=true ./demo/setup.sh
 ```
 
+To deploy from the latest `main` branch of both CloudNativePG and the Barman
+Cloud plugin, use:
+
+```bash
+TRUNK=true ./demo/setup.sh
+```
+
 For a detailed understanding of the deployment process, refer to the
 [`setup.sh` script](setup.sh).
 

demo/setup.sh

@@ -34,6 +34,11 @@ if [ "${LEGACY:-}" = "true" ]; then
    legacy="-legacy"
 fi
 
+trunk=0
+if [ "${TRUNK:-}" = "true" ]; then
+   trunk=1
+fi
+
 # Ensure prerequisites are met
 prereqs="kubectl kubectl-cnpg cmctl"
 for cmd in $prereqs; do
@@ -50,11 +55,17 @@ export KUBECONFIG=${kube_config_path}
 # Begin deployment, one region at a time
 for region in eu us; do
 
-   # Deploy CloudNativePG operator (latest version, through the plugin)
-   #kubectl cnpg install generate --control-plane | \
-   curl -sSfL \
-     https://raw.githubusercontent.com/cloudnative-pg/artifacts/main/manifests/operator-manifest.yaml | \
-     kubectl --context kind-k8s-${region} apply -f - --server-side
+   if [ $trunk -eq 1 ]
+   then
+     # Deploy CloudNativePG operator (trunk - main branch)
+     curl -sSfL \
+       https://raw.githubusercontent.com/cloudnative-pg/artifacts/main/manifests/operator-manifest.yaml | \
+       kubectl --context kind-k8s-${region} apply -f - --server-side
+   else
+     # Deploy CloudNativePG operator (latest version, through the plugin)
+     kubectl cnpg install generate --control-plane | \
+       kubectl --context kind-k8s-${region} apply -f - --server-side
+   fi
 
    # Wait for CNPG deployment to complete
    kubectl --context kind-k8s-${region} rollout status deployment \
@@ -69,11 +80,16 @@ for region in eu us; do
       -n cert-manager
    cmctl check api --wait=2m --context kind-k8s-${region}
 
-   # Deploy Barman Cloud Plugin
-   #kubectl apply --context kind-k8s-${region} -f \
-   #   https://github.com/cloudnative-pg/plugin-barman-cloud/releases/latest/download/manifest.yaml
-   kubectl apply --context kind-k8s-${region} -f \
-      https://raw.githubusercontent.com/cloudnative-pg/plugin-barman-cloud/refs/heads/main/manifest.yaml
+   if [ $trunk -eq 1 ]
+   then
+     # Deploy Barman Cloud Plugin (trunk)
+     kubectl apply --context kind-k8s-${region} -f \
+       https://raw.githubusercontent.com/cloudnative-pg/plugin-barman-cloud/refs/heads/main/manifest.yaml
+   else
+     # Deploy Barman Cloud Plugin (latest stable)
+     kubectl apply --context kind-k8s-${region} -f \
+        https://github.com/cloudnative-pg/plugin-barman-cloud/releases/latest/download/manifest.yaml
+   fi
 
    # Wait for Barman Cloud Plugin deployment to complete
    kubectl rollout --context kind-k8s-${region} status deployment \

demo/yaml/eu/pg-eu-legacy.yaml

@@ -4,7 +4,7 @@ metadata:
   name: pg-eu
 spec:
   instances: 3
-  imageName: ghcr.io/cloudnative-pg/postgresql:17-bookworm
+  imageName: ghcr.io/cloudnative-pg/postgresql:17-system-trixie
 
   storage:
     size: 1Gi

demo/yaml/eu/pg-eu.yaml

@@ -4,7 +4,7 @@ metadata:
   name: pg-eu
 spec:
   instances: 3
-  imageName: ghcr.io/cloudnative-pg/postgresql:17-standard-bookworm
+  imageName: ghcr.io/cloudnative-pg/postgresql:17-standard-trixie
 
   storage:
     size: 1Gi