Support configuring script pod resource requirements

.changeset/plenty-boats-share.md

@@ -0,0 +1,5 @@
+---
+"kubernetes-agent": minor
+---
+
+Support configuring script pod resource requirements

charts/kubernetes-agent/Chart.yaml

@@ -11,4 +11,4 @@ maintainers:
 type: application
 version: "1.9.0"
 # This version number should be the same as the agent.image.tag value as this is the primary application version
-appVersion: "8.1.1890"
+appVersion: "8.1.1905-pull-977"

charts/kubernetes-agent/README.md

@@ -1,10 +1,10 @@
 # kubernetes-agent
 
-![Version: 1.9.0](https://img.shields.io/badge/Version-1.9.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 8.1.1890](https://img.shields.io/badge/AppVersion-8.1.1890-informational?style=flat-square) ![Octopus Deploy Version: 2024.2.6580+](https://img.shields.io/badge/Octopus_Deploy-2024.2.6580%2B-2F93E0?style=flat-square&logo=octopusdeploy&logoColor=%232F93E0&logoSize=auto)
+![Version: 1.9.0](https://img.shields.io/badge/Version-1.9.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 8.1.1905-pull-977](https://img.shields.io/badge/AppVersion-8.1.1905--pull--977-informational?style=flat-square) ![Octopus Deploy Version: 2024.2.6580+](https://img.shields.io/badge/Octopus_Deploy-2024.2.6580%2B-2F93E0?style=flat-square&logo=octopusdeploy&logoColor=%232F93E0&logoSize=auto)
 
 A Helm chart for the Octopus Kubernetes Agent
 
-**Homepage:** <https://octopus.com> 
+**Homepage:** <https://octopus.com>  
 **Documentation:** [https://octopus.com/docs/](https://octopus.com/docs/infrastructure/deployment-targets/kubernetes/kubernetes-agent)
 
 ## Maintainers
@@ -29,7 +29,7 @@ A Helm chart for the Octopus Kubernetes Agent
 | agent.debug.disableAutoPodCleanup | bool | `false` | Disables automatic pod cleanup |
 | agent.defaultNamespace | string | `""` | The default Kubernetes namespace for deployments |
 | agent.enableMetricsCapture | bool | `true` | True if events should be scraped and added to the metrics config map |
-| agent.image | object | `{"pullPolicy":"IfNotPresent","repository":"octopusdeploy/kubernetes-agent-tentacle","tag":"8.1.1890"}` | The repository, pullPolicy & tag to use for the agent image |
+| agent.image | object | `{"pullPolicy":"IfNotPresent","repository":"octopusdeploy/kubernetes-agent-tentacle","tag":"8.1.1905-pull-977"}` | The repository, pullPolicy & tag to use for the agent image |
 | agent.logLevel | string | `"Info"` | The log level of the agent. Logs are written to the pod logs as well as to file |
 | agent.machinePolicyName | string | `""` | The machine policy to register the agent with |
 | agent.metadata | object | `{"annotations":{},"labels":{}}` | Additional metadata to add to the agent pod & container |
@@ -71,6 +71,7 @@ A Helm chart for the Octopus Kubernetes Agent
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
 | scriptPods.disruptionBudgetEnabled | bool | `true` | If true, the script pods will be created with a disruption budget to prevent them from being evicted |
+| scriptPods.resources | object | `{"requests":{"cpu":"25m","memory":"100Mi"}}` | The resource limits and requests assigned to script pod containers |
 | scriptPods.serviceAccount.annotations | object | `{}` | Annotations to add to the service account |
 | scriptPods.serviceAccount.clusterRole | object | `[{"apiGroups":["*"],"resources":["*"],"verbs":["*"]},{"nonResourceURLs":["*"],"verbs":["*"]}]` | if defined, overrides the default ClusterRole rules |
 | scriptPods.serviceAccount.name | string | `""` | The name of the service account used for executing script pods |

charts/kubernetes-agent/templates/tentacle-deployment.yaml

@@ -98,6 +98,8 @@ spec:
             - name: "OCTOPUS__K8STENTACLE__PODIMAGEPULLSECRETNAMES"
               value: {{ join "," .Values.imagePullSecrets | quote}}
             {{- end }}
+            - name: "OCTOPUS__K8STENTACLE__PODRESOURCEJSON"
+              value: {{ .Values.scriptPods.resources | toJson | quote }}
             {{- if .Values.agent.serverApiKey }}
             - name: "ServerApiKey"
               valueFrom:

charts/kubernetes-agent/tests/__snapshot__/pod-serviceaccount_test.yaml.snap

@@ -8,7 +8,7 @@ should match snapshot:
         app.kubernetes.io/instance: RELEASE-NAME
         app.kubernetes.io/managed-by: Helm
         app.kubernetes.io/name: octopus-agent
-        app.kubernetes.io/version: 8.1.1890
+        app.kubernetes.io/version: 8.1.1905-pull-977
         helm.sh/chart: kubernetes-agent-1.9.0
       name: octopus-agent-scripts
       namespace: NAMESPACE

charts/kubernetes-agent/tests/__snapshot__/tentacle-deployment_test.yaml.snap

@@ -7,7 +7,7 @@ should match snapshot:
         app.kubernetes.io/instance: RELEASE-NAME
         app.kubernetes.io/managed-by: Helm
         app.kubernetes.io/name: octopus-agent
-        app.kubernetes.io/version: 8.1.1890
+        app.kubernetes.io/version: 8.1.1905-pull-977
         helm.sh/chart: kubernetes-agent-1.9.0
       name: octopus-agent-tentacle
       namespace: NAMESPACE
@@ -23,7 +23,7 @@ should match snapshot:
             app.kubernetes.io/instance: RELEASE-NAME
             app.kubernetes.io/managed-by: Helm
             app.kubernetes.io/name: octopus-agent
-            app.kubernetes.io/version: 8.1.1890
+            app.kubernetes.io/version: 8.1.1905-pull-977
             helm.sh/chart: kubernetes-agent-1.9.0
         spec:
           affinity:
@@ -90,9 +90,11 @@ should match snapshot:
                   value: "5"
                 - name: OCTOPUS__K8STENTACLE__ENABLEMETRICSCAPTURE
                   value: "true"
+                - name: OCTOPUS__K8STENTACLE__PODRESOURCEJSON
+                  value: '{"requests":{"cpu":"20m","memory":"100Mi"}}'
                 - name: OCTOPUS__K8STENTACLE__PERSISTENTVOLUMESIZE
                   value: 10Gi
-              image: octopusdeploy/kubernetes-agent-tentacle:8.1.1890
+              image: octopusdeploy/kubernetes-agent-tentacle:8.1.1905-pull-977
               imagePullPolicy: IfNotPresent
               name: octopus-agent-tentacle
               resources:

charts/kubernetes-agent/tests/__snapshot__/tentacle-pvc_test.yaml.snap

@@ -7,7 +7,7 @@ should match snapshot when storageClassName is set:
         app.kubernetes.io/instance: RELEASE-NAME
         app.kubernetes.io/managed-by: Helm
         app.kubernetes.io/name: octopus-agent
-        app.kubernetes.io/version: 8.1.1890
+        app.kubernetes.io/version: 8.1.1905-pull-977
         helm.sh/chart: kubernetes-agent-1.9.0
       name: octopus-agent-RELEASE-NAME-pvc
     spec:

charts/kubernetes-agent/tests/__snapshot__/tentacle-serviceaccount_test.yaml.snap

@@ -8,7 +8,7 @@ should match snapshot:
         app.kubernetes.io/instance: RELEASE-NAME
         app.kubernetes.io/managed-by: Helm
         app.kubernetes.io/name: octopus-agent
-        app.kubernetes.io/version: 8.1.1890
+        app.kubernetes.io/version: 8.1.1905-pull-977
         helm.sh/chart: kubernetes-agent-1.9.0
       name: octopus-agent-tentacle
       namespace: NAMESPACE

charts/kubernetes-agent/tests/tentacle-deployment-container-env-vars_test.yaml

@@ -222,3 +222,19 @@ tests:
     - equal:
         path: spec.template.spec.containers[0].env[?(@.name == 'OCTOPUS__K8STENTACLE__PODIMAGEPULLSECRETNAMES')].value
         value: "secret-1,secret-2"
+
+
+- it: "Sets resource json if script pods resources changed"
+  set:
+    scriptPods:
+      resources:
+        limits:
+          cpu: "100m"
+          memory: "1Gi"
+        requests:
+          cpu: "10m"
+          memory: "50Mi"
+  asserts:
+    - equal:
+        path: spec.template.spec.containers[0].env[?(@.name == 'OCTOPUS__K8STENTACLE__PODRESOURCEJSON')].value
+        value: '{"limits":{"cpu":"100m","memory":"1Gi"},"requests":{"cpu":"10m","memory":"50Mi"}}'

charts/kubernetes-agent/values.yaml

@@ -88,7 +88,7 @@ agent:
   image:
     repository: octopusdeploy/kubernetes-agent-tentacle
     pullPolicy: IfNotPresent
-    tag: "8.1.1890"
+    tag: "8.1.1905-pull-977"
 
   serviceAccount:
     # -- The name of the service account for the agent pod
@@ -123,6 +123,13 @@ scriptPods:
   # @section -- Script pod values
   disruptionBudgetEnabled: true
 
+  # -- The resource limits and requests assigned to script pod containers
+  # @section -- Script pod values
+  resources: 
+    requests:
+      memory: "100Mi"
+      cpu: "25m"
+
   serviceAccount:
     # -- The name of the service account used for executing script pods
     # @section -- Script pod values