chore: enable metadata gzip compression (#651)

* chore: enable gzip compression for metadata

* e2e: linodemachine: metadata gzip compression

Author: cbang-akamai

config/manager/manager.yaml

@@ -70,6 +70,8 @@ spec:
                   fieldPath: metadata.name
             - name: SSL_CERT_DIR
               value: /tls
+            - name: GZIP_COMPRESSION_ENABLED
+              value: "true"
           envFrom: # allows configuring additional stuff like LINODE_URL
             - secretRef:
                 name: capl-manager-credentials

e2e/linodemachine-controller/metadata-gzip-compression/assert-capi-resources.yaml

@@ -0,0 +1,31 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: capi-controller-manager
+  namespace: capi-system
+status:
+  availableReplicas: 1
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: capl-controller-manager
+  namespace: capl-system
+status:
+  availableReplicas: 1
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: capi-kubeadm-bootstrap-controller-manager
+  namespace: kubeadm-bootstrap-system
+status:
+  availableReplicas: 1
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: capi-kubeadm-control-plane-controller-manager
+  namespace: kubeadm-control-plane-system
+status:
+  availableReplicas: 1

e2e/linodemachine-controller/metadata-gzip-compression/assert-linodemachine.yaml

@@ -0,0 +1,23 @@
+---
+apiVersion: infrastructure.cluster.x-k8s.io/v1alpha2
+kind: LinodeMachine
+metadata:
+  labels:
+    cluster.x-k8s.io/cluster-name: ($cluster)
+spec:
+  region: us-sea
+  type: g6-nanode-1
+status:
+  ready: true
+  instanceState: running
+---
+apiVersion: cluster.x-k8s.io/v1beta1
+kind: Machine
+metadata:
+  labels:
+    cluster.x-k8s.io/cluster-name: ($cluster)
+spec:
+  clusterName: ($cluster)
+status:
+  bootstrapReady: true
+  infrastructureReady: true

e2e/linodemachine-controller/metadata-gzip-compression/chainsaw-test.yaml

@@ -0,0 +1,67 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/kyverno/chainsaw/main/.schemas/json/test-chainsaw-v1alpha1.json
+apiVersion: chainsaw.kyverno.io/v1alpha1
+kind: Test
+metadata:
+  name: metadata-gzip-compression
+  # Label to trigger the test on every PR
+  labels:
+    all:
+    linodemachine:
+spec:
+  bindings:
+    # A short identifier for the E2E test run
+    - name: run
+      value: (join('-', ['e2e', 'metadata-gzip', env('GIT_REF')]))
+    - name: cluster
+      # Format the cluster name
+      value: (trim((truncate(($run), `29`)), '-'))
+  template: true
+  steps:
+    - name: Check if CAPI provider resources exist
+      try:
+        - assert:
+            file: assert-capi-resources.yaml
+    - name: Create Cluster resource
+      try:
+        - apply:
+            file: create-cluster.yaml
+      catch:
+        - describe:
+            apiVersion: cluster.x-k8s.io/v1beta1
+            kind: Cluster
+    - name: Generate dummy cloud-config data
+      try:
+        - script:
+            env:
+              - name: NAMESPACE
+                value: ($namespace)
+            content: |
+              set -e
+
+              # Some very compressible data
+              printf %102400s | tr ' ' '🫵🤓' > chonk.txt
+              kubectl -n $NAMESPACE create secret generic chonk-secret --from-file=chonk.txt
+            check:
+              ($error): ~
+    - name: Create LinodeMachine resource
+      try:
+        - apply:
+            file: create-linodemachine.yaml
+        - assert:
+            file: assert-linodemachine.yaml
+      catch:
+        - describe:
+            apiVersion: infrastructure.cluster.x-k8s.io/v1alpha2
+            kind: LinodeMachineTemplate
+        - describe:
+            apiVersion: controlplane.cluster.x-k8s.io/v1beta1
+            kind: KubeadmControlPlane
+    - name: Delete Cluster resource
+      try:
+        - delete:
+            ref:
+              apiVersion: cluster.x-k8s.io/v1beta1
+              kind: Cluster
+              name: ($cluster)
+        - error:
+            file: check-linodemachine-deletion.yaml

e2e/linodemachine-controller/metadata-gzip-compression/check-linodemachine-deletion.yaml

@@ -0,0 +1,5 @@
+apiVersion: infrastructure.cluster.x-k8s.io/v1alpha2
+kind: LinodeMachine
+metadata:
+  labels:
+    cluster.x-k8s.io/cluster-name: ($cluster)

e2e/linodemachine-controller/metadata-gzip-compression/create-cluster.yaml

@@ -0,0 +1,21 @@
+---
+apiVersion: cluster.x-k8s.io/v1beta1
+kind: Cluster
+metadata:
+  name: ($cluster)
+spec:
+  controlPlaneRef:
+    apiVersion: controlplane.cluster.x-k8s.io/v1beta1
+    kind: KubeadmControlPlane
+    name: ($cluster)
+  infrastructureRef:
+    apiVersion: infrastructure.cluster.x-k8s.io/v1alpha2
+    kind: LinodeCluster
+    name: ($cluster)
+---
+apiVersion: infrastructure.cluster.x-k8s.io/v1alpha2
+kind: LinodeCluster
+metadata:
+  name: ($cluster)
+spec:
+  region: us-sea

e2e/linodemachine-controller/metadata-gzip-compression/create-linodemachine.yaml

@@ -0,0 +1,37 @@
+---
+apiVersion: controlplane.cluster.x-k8s.io/v1beta1
+kind: KubeadmControlPlane
+metadata:
+    name: ($cluster)
+spec:
+    kubeadmConfigSpec:
+        files:
+            - path: /chonk.txt
+              contentFrom:
+                  secret:
+                      key: chonk.txt
+                      name: chonk-secret
+        clusterConfiguration:
+            apiServer:
+                extraArgs:
+                    cloud-provider: external
+            controllerManager:
+                extraArgs:
+                    cloud-provider: external
+    machineTemplate:
+        infrastructureRef:
+            apiVersion: infrastructure.cluster.x-k8s.io/v1alpha2
+            kind: LinodeMachineTemplate
+            name: ($cluster)
+    replicas: 1
+    version: 1.29.1
+---
+apiVersion: infrastructure.cluster.x-k8s.io/v1alpha2
+kind: LinodeMachineTemplate
+metadata:
+    name: ($cluster)
+spec:
+    template:
+        spec:
+            region: us-sea
+            type: g6-nanode-1