AWS Cost Reporter (#44)

* aws cost explorer chart added

* [aws-cost-reporter] remove timezone setting

* exclude aws-cost-reporter chart from testing

charts/aws-cost-reporter/.helmignore

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+# 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
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/aws-cost-reporter/Chart.yaml

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+apiVersion: v2
+name: aws-cost-reporter
+description: AWS Cost Reporter
+type: application
+version: 1.0.0
+appVersion: "v0.1.0"
+sources:
+  - https://github.com/neondatabase/aws-cost-reporter

charts/aws-cost-reporter/README.md

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+# aws-cost-reporter
+
+![Version: 1.0.0](https://img.shields.io/badge/Version-1.0.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) [![Lint and Test Charts](https://github.com/neondatabase/helm-charts/actions/workflows/lint-test.yaml/badge.svg)](https://github.com/neondatabase/helm-charts/actions/workflows/lint-test.yaml)
+
+AWS Cost Reporter
+
+## Source Code
+
+* <https://github.com/neondatabase/aws-cost-reporter>
+
+## Installing the Chart
+
+Add Neondatabase chart repository:
+```console
+$ helm repo add neondatabase https://neondatabase.github.io/helm-charts
+```
+
+Install the chart with the release name `aws-cost-reporter` using IRSA to access AWS resources:
+
+```console
+$ helm install aws-cost-reporter neondatabase/aws-cost-reporter \
+  --set slack.token="<Slack App token>" \
+  --set serviceAccount.roleArn="arn:aws:iam::<AWS account id>:role/<IRSA role name>"
+```
+
+Install the chart with the release name `aws-cost-reporter` using AWS credentials to access AWS resources:
+
+```console
+$ helm install aws-cost-reporter neondatabase/aws-cost-reporter \
+  --set slack.token="<Slack App token>" \
+  --set aws.awsAccessKey="<AWS access key id>" \
+  --set aws.awsSecretKey="<AWS secret access key>" \
+  --set aws.awsRegion="eu-east-1"
+```
+
+## Values
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| affinity | object | `{}` | Affinity for pod assignment |
+| aws | object | `{}` | AWS Credentials if IRSA not used |
+| fullnameOverride | string | `""` | String to fully override aws-cost-reporter.fullname template |
+| image.pullPolicy | string | `"IfNotPresent"` | image pull policy |
+| image.repository | string | `"neondatabase/aws-cost-reporter"` | Image repository |
+| image.tag | string | `""` | Overrides the image tag whose default is the chart appVersion. |
+| imagePullSecrets | list | `[]` | Specify docker-registry secret names as an array |
+| nameOverride | string | `""` | String to partially override aws-cost-reporter.fullname template (will maintain the release name) |
+| nodeSelector | object | `{}` | Node labels for pod assignment. |
+| podAnnotations | object | `{}` | Annotations for aws-cost-reporter pods |
+| podSecurityContext | object | `{}` | aws-cost-reporter's pods Security Context |
+| replicaCount | int | `1` |  |
+| resources | object | `{}` |  |
+| securityContext | object | `{}` | aws-cost-reporter's containers Security Context |
+| serviceAccount.annotations | object | `{}` | Annotations to add to the service account |
+| serviceAccount.create | bool | `true` | Specifies whether a service account should be created |
+| serviceAccount.name | string | `""` | The name of the service account to use. If not set and create is true, a name is generated using the fullname template |
+| serviceAccount.roleArn | string | `""` | AWS IAM Role arn (IRSA) used to access AWS Cost Explorer service |
+| slack.channelID | string | `"#general"` | Slack channel ID |
+| slack.header | string | `"AWS Cost and Usage :moneybag:"` | Slack message header |
+| slack.token | string | `""` | Slack App token |
+| tolerations | list | `[]` | Tolerations for pod assignment. |
+
+----------------------------------------------
+Autogenerated from chart metadata using [helm-docs v1.9.1](https://github.com/norwoodj/helm-docs/releases/v1.9.1)

charts/aws-cost-reporter/README.md.gotmpl

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+{{ template "chart.header" . }}
+{{ template "chart.versionBadge" . }}{{ template "chart.typeBadge" . }}[![Lint and Test Charts](https://github.com/neondatabase/helm-charts/actions/workflows/lint-test.yaml/badge.svg)](https://github.com/neondatabase/helm-charts/actions/workflows/lint-test.yaml)
+
+{{ template "chart.description" . }}
+
+{{ template "chart.sourcesSection" . }}
+
+## Installing the Chart
+
+Add Neondatabase chart repository:
+```console
+$ helm repo add neondatabase https://neondatabase.github.io/helm-charts
+```
+
+Install the chart with the release name `{{ template "chart.name" . }}` using IRSA to access AWS resources:
+
+```console
+$ helm install {{ template "chart.name" . }} neondatabase/aws-cost-reporter \
+  --set slack.token="<Slack App token>" \
+  --set serviceAccount.roleArn="arn:aws:iam::<AWS account id>:role/<IRSA role name>"
+```
+
+Install the chart with the release name `{{ template "chart.name" . }}` using AWS credentials to access AWS resources:
+
+```console
+$ helm install {{ template "chart.name" . }} neondatabase/aws-cost-reporter \
+  --set slack.token="<Slack App token>" \
+  --set aws.awsAccessKey="<AWS access key id>" \
+  --set aws.awsSecretKey="<AWS secret access key>" \
+  --set aws.awsRegion="eu-east-1"
+```
+
+{{ template "chart.requirementsSection" . }}
+
+{{ template "chart.valuesSection" . }}
+
+{{ template "helm-docs.versionFooter" . }}

charts/aws-cost-reporter/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "aws-cost-reporter.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "aws-cost-reporter.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "aws-cost-reporter.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "aws-cost-reporter.labels" -}}
+helm.sh/chart: {{ include "aws-cost-reporter.chart" . }}
+{{ include "aws-cost-reporter.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "aws-cost-reporter.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "aws-cost-reporter.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "aws-cost-reporter.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "aws-cost-reporter.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

charts/aws-cost-reporter/templates/cronjob.yaml

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+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: {{ include "aws-cost-reporter.fullname" . }}
+  labels:
+    {{- include "aws-cost-reporter.labels" . | nindent 4 }}
+spec:
+  #timeZone: "Etc/UTC"
+  schedule: '0 12 * * *'
+  jobTemplate:
+    metadata:
+      name: {{ include "aws-cost-reporter.fullname" . }}
+      labels:
+        {{- include "aws-cost-reporter.labels" . | nindent 8 }}
+    spec:
+      template:
+        metadata:
+          {{- with .Values.podAnnotations }}
+          annotations:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          labels:
+            {{- include "aws-cost-reporter.selectorLabels" . | nindent 12 }}
+        spec:
+          restartPolicy: Never
+          {{- with .Values.imagePullSecrets }}
+          imagePullSecrets:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          serviceAccountName: {{ include "aws-cost-reporter.serviceAccountName" . }}
+          securityContext:
+            {{- toYaml .Values.podSecurityContext | nindent 12 }}
+          containers:
+            - name: {{ .Chart.Name }}
+              securityContext:
+                {{- toYaml .Values.securityContext | nindent 16 }}
+              image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+              imagePullPolicy: {{ .Values.image.pullPolicy }}
+              env:
+                - name: SLACK_TOKEN
+                  valueFrom:
+                    secretKeyRef:
+                      name: {{ include "aws-cost-reporter.fullname" . }}
+                      key: slackToken
+                - name: SLACK_CHANNEL_ID
+                  value: {{ .Values.slack.channelID | quote }}
+                - name: SLACK_MESSAGE_HEADER
+                  value: {{ .Values.slack.header | quote }}
+              {{- if .Values.aws }}
+              {{- if .Values.aws.awsAccessKey }}
+                - name: AWS_ACCESS_KEY_ID
+                  valueFrom:
+                    secretKeyRef:
+                      name: {{ include "aws-cost-reporter.fullname" . }}
+                      key: awsAccessKey
+              {{- end }}
+              {{- if .Values.aws.awsSecretKey }}
+                - name: AWS_SECRET_ACCESS_KEY
+                  valueFrom:
+                    secretKeyRef:
+                      name: {{ include "aws-cost-reporter.fullname" . }}
+                      key: awsSecretKey
+              {{- end }}
+              {{- if .Values.aws.awsRegion }}
+                - name: AWS_REGION
+                  value: {{ .Values.aws.awsRegion }}
+              {{- end }}
+              {{- end }}
+              resources:
+                {{- toYaml .Values.resources | nindent 16 }}
+          {{- with .Values.nodeSelector }}
+          nodeSelector:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- with .Values.affinity }}
+          affinity:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- with .Values.tolerations }}
+          tolerations:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}

charts/aws-cost-reporter/templates/secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "aws-cost-reporter.fullname" . }}
+  labels:
+    {{- include "aws-cost-reporter.labels" . | nindent 4 }}
+type: Opaque
+stringData:
+  slackToken: {{ .Values.slack.token | quote }}
+  {{- with .Values.aws }}
+    {{- toYaml . | nindent 2 }}
+  {{- end }}

charts/aws-cost-reporter/templates/serviceaccount.yaml

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+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "aws-cost-reporter.serviceAccountName" . }}
+  labels:
+    {{- include "aws-cost-reporter.labels" . | nindent 4 }}
+  {{- if or .Values.serviceAccount.annotations .Values.serviceAccount.roleArn }}
+  annotations:
+  {{- with .Values.serviceAccount.annotations }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- if .Values.serviceAccount.roleArn }}
+    eks.amazonaws.com/role-arn: {{ .Values.serviceAccount.roleArn | quote }}
+  {{- end }}
+  {{- end }}
+automountServiceAccountToken: false
+{{- end }}

charts/aws-cost-reporter/values.yaml

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+# Default values for aws-cost-reporter.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  # -- Image repository
+  repository: neondatabase/aws-cost-reporter
+  # -- image pull policy
+  pullPolicy: IfNotPresent
+  # -- Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+
+# -- Specify docker-registry secret names as an array
+imagePullSecrets: []
+# -- String to partially override aws-cost-reporter.fullname template (will maintain the release name)
+nameOverride: ""
+# -- String to fully override aws-cost-reporter.fullname template
+fullnameOverride: ""
+
+serviceAccount:
+  # -- Specifies whether a service account should be created
+  create: true
+  # -- Annotations to add to the service account
+  annotations: {}
+  # -- The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+  # -- AWS IAM Role arn (IRSA) used to access AWS Cost Explorer service
+  roleArn: ""
+
+slack:
+  # -- Slack App token
+  token: ""
+  # -- Slack channel ID
+  channelID: "#general"
+  # -- Slack message header
+  header: "AWS Cost and Usage :moneybag:"
+
+# -- AWS Credentials if IRSA not used
+aws: {}
+  # awsAccessKey: YOURACCESSKEY
+  # awsSecretKey: YourSecretKey
+  # awsRegion: eu-east-1
+
+# -- Annotations for aws-cost-reporter pods
+podAnnotations: {}
+
+# -- aws-cost-reporter's pods Security Context
+podSecurityContext: {}
+  # fsGroup: 2000
+
+# -- aws-cost-reporter's containers Security Context
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+# -- Node labels for pod assignment.
+nodeSelector: {}
+
+# -- Tolerations for pod assignment.
+tolerations: []
+
+# -- Affinity for pod assignment
+affinity: {}