charts/cron-hpa/

Author: shcherbak

charts/cron-hpa/.helmignore

@@ -0,0 +1,26 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
+# additional files
+tests/
+*.ignore.yaml
+README.md

charts/cron-hpa/Chart.yaml

@@ -0,0 +1,3 @@
+apiVersion: v2
+name: cron-hpa
+version: 0.0.1

charts/cron-hpa/templates/cronjob.yaml

@@ -0,0 +1,29 @@
+{{- range $jobName, $params := .Values.managedHPA }}
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: {{ $jobName }}
+spec:
+  schedule: {{ $.Values.cronSchedule | quote }}
+  concurrencyPolicy: "Replace"
+  startingDeadlineSeconds: 200
+  suspend: false
+  successfulJobsHistoryLimit: 1
+  failedJobsHistoryLimit: 1
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          serviceAccountName: cron-hpa
+          containers:
+            - name: cron-hpa
+              image: "{{ $.Values.image.repository }}:{{ $.Values.image.tag | default $.Capabilities.KubeVersion }}"
+              imagePullPolicy: {{ $.Values.image.pullPolicy }}
+              automountServiceAccountToken: false
+              command:
+                - /bin/sh
+                - -c
+                - {{ printf "kubectl patch hpa %s -p '{\"spec\":{\"minReplicas\":%s, \"maxReplicas\":%s}}'" $params.name $params.minReplicas $params.maxReplicas }}
+          restartPolicy: OnFailure
+---
+{{- end }}

charts/cron-hpa/templates/role.yaml

@@ -0,0 +1,8 @@
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: cron-hpa
+rules:
+  - apiGroups: ["autoscaling"]
+    resources: ["horizontalpodautoscalers", "horizontalpodautoscalers/status"]
+    verbs: ["get", "patch", "list", "watch", "update"]

charts/cron-hpa/templates/rolebinding.yaml

@@ -0,0 +1,12 @@
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: cron-hpa
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: cron-hpa
+subjects:
+  - kind: ServiceAccount
+    name: cron-hpa
+    namespace: {{ .Release.Namespace }}

charts/cron-hpa/templates/serviceaccount.yaml

@@ -0,0 +1,5 @@
+kind: ServiceAccount
+apiVersion: v1
+metadata:
+  name: cron-hpa
+

charts/cron-hpa/tests/go.mod

@@ -0,0 +1,69 @@
+module tests
+
+go 1.21
+
+require (
+	github.com/gruntwork-io/terratest v0.46.7
+	github.com/stretchr/testify v1.8.4
+)
+
+require (
+	github.com/aws/aws-sdk-go v1.44.122 // indirect
+	github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
+	github.com/ghodss/yaml v1.0.0 // indirect
+	github.com/go-errors/errors v1.0.2-0.20180813162953-d98b870cc4e0 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/jsonreference v0.20.1 // indirect
+	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/go-sql-driver/mysql v1.4.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/gofuzz v1.1.0 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/gruntwork-io/go-commons v0.8.0 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.0 // indirect
+	github.com/imdario/mergo v0.3.11 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-zglob v0.0.2-0.20190814121620-e3c945676326 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/moby/spdystream v0.2.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/pquerna/otp v1.2.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/urfave/cli v1.22.2 // indirect
+	golang.org/x/crypto v0.14.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/oauth2 v0.7.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/term v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/api v0.27.2 // indirect
+	k8s.io/apimachinery v0.27.2 // indirect
+	k8s.io/client-go v0.27.2 // indirect
+	k8s.io/klog/v2 v2.90.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f // indirect
+	k8s.io/utils v0.0.0-20230209194617-a36077c30491 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
+)