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feat: packaged the entire system into a helm chart (#9)
* With all the components * Fix namespace * Separated files * fixed a typo * Created Complete chart * Added missing components * Updated the version
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‎charts/lazy-koala/.helmignore

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

‎charts/lazy-koala/Chart.yaml

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apiVersion: v2
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name: lazy-koala
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description: A toolkit to apply AIOps to distributed systems
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# A chart can be either an 'application' or a 'library' chart.
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#
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# Application charts are a collection of templates that can be packaged into versioned archives
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# to be deployed.
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#
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# Library charts provide useful utilities or functions for the chart developer. They're included as
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# a dependency of application charts to inject those utilities and functions into the rendering
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# pipeline. Library charts do not define any templates and therefore cannot be deployed.
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type: application
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# This is the chart version. This version number should be incremented each time you make changes
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# to the chart and its templates, including the app version.
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# Versions are expected to follow Semantic Versioning (https://semver.org/)
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version: 1.0.0
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# This is the version number of the application being deployed. This version number should be
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# incremented each time you make changes to the application. Versions are not expected to
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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "1.0.0"

‎charts/lazy-koala/crds/lazykoala.isala.me_inspectors.yaml

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---
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apiVersion: apiextensions.k8s.io/v1
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kind: CustomResourceDefinition
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metadata:
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annotations:
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controller-gen.kubebuilder.io/version: v0.8.0
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creationTimestamp: null
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name: inspectors.lazykoala.isala.me
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spec:
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group: lazykoala.isala.me
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names:
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kind: Inspector
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listKind: InspectorList
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plural: inspectors
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singular: inspector
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scope: Namespaced
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versions:
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- additionalPrinterColumns:
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- jsonPath: .spec.namespace
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name: Namespace
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type: string
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- jsonPath: .spec.deploymentRef
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name: Target Deployment
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type: string
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- jsonPath: .spec.serviceRef
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name: Target ClusterIP
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type: string
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- jsonPath: .spec.modelName
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name: Model Name
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type: string
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- jsonPath: .status.status
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name: Status
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type: string
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name: v1alpha1
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schema:
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openAPIV3Schema:
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description: Inspector is the Schema for the inspectors API
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properties:
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apiVersion:
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description: 'APIVersion defines the versioned schema of this representation
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of an object. Servers should convert recognized schemas to the latest
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internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
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type: string
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kind:
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description: 'Kind is a string value representing the REST resource this
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object represents. Servers may infer this from the endpoint the client
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submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
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type: string
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metadata:
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type: object
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spec:
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description: InspectorSpec defines the desired state of Inspector
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properties:
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deploymentRef:
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description: Foo is an example field of Inspector. Edit inspector_types.go
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to remove/update
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type: string
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modelName:
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type: string
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namespace:
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type: string
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serviceRef:
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type: string
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required:
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- deploymentRef
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- modelName
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- namespace
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- serviceRef
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type: object
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status:
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description: InspectorStatus defines the observed state of Inspector
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properties:
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monitoredIPs:
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description: 'INSERT ADDITIONAL STATUS FIELD - define observed state
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of cluster Important: Run "make" to regenerate code after modifying
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this file'
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items:
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type: string
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type: array
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podsSelector:
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additionalProperties:
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type: string
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description: MatchingLabels filters the list/delete operation on the
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given set of labels.
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type: object
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status:
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enum:
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- Creating
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- Running
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- Error
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type: string
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required:
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- monitoredIPs
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- podsSelector
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- status
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type: object
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type: object
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served: true
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storage: true
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subresources:
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status: {}
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status:
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acceptedNames:
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kind: ""
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plural: ""
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conditions: []
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storedVersions: []

‎charts/lazy-koala/templates/NOTES.txt

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Lazy Koala was successfully installed the {{ .Release.Namespace }} namespace
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To access the main dashboard,
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1. Run
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$ kubectl port-forward svc/inspector 8090:80 -n {{ .Release.Namespace }}
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2. Open http://localhost:8090 in your browser
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Under the settings tab you will be able to find out list of service that's running inside the cluster.
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From there you can mark them to be monitored by the gazer agent.
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Finally, Once you navigated to the main dashboard, you can see the list of services that are being monitored and how they interact with each other.
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To Uninstall the Lazy Koala, Simply run
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$ helm uninstall {{ .Release.Name }} -n {{ .Release.Namespace }}

‎charts/lazy-koala/templates/_helpers.tpl

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

‎charts/lazy-koala/templates/gazer/configmap.yaml

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{{- if .Values.gazer.create -}}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: gazer-config
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namespace: {{ .Release.Namespace }}
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data:
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config.yaml: |
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{{- end }}

‎charts/lazy-koala/templates/gazer/daemonset.yaml

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{{- if .Values.gazer.create -}}
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: "gazer"
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namespace: {{ .Release.Namespace }}
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labels:
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{{- include "lazy-koala.labels" . | nindent 4 }}
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lazykoala: gazer
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spec:
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selector:
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matchLabels:
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{{- include "lazy-koala.selectorLabels" . | nindent 6 }}
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lazykoala: gazer
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template:
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metadata:
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{{- with .Values.gazer.podAnnotations }}
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annotations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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labels:
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{{- include "lazy-koala.selectorLabels" . | nindent 8 }}
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lazykoala: gazer
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spec:
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{{- with .Values.gazer.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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hostNetwork: true
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hostPID: true
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serviceAccountName: {{ .Values.gazer.serviceAccount.name }}
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securityContext:
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{{- toYaml .Values.gazer.podSecurityContext | nindent 8 }}
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containers:
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- name: {{ .Chart.Name }}
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securityContext:
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{{- toYaml .Values.gazer.securityContext | nindent 12 }}
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image: "{{ .Values.gazer.image.repository }}:{{ .Values.gazer.image.tag }}"
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imagePullPolicy: {{ .Values.gazer.image.pullPolicy }}
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ports:
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- containerPort: 8000
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name: metrics
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resources:
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{{- toYaml .Values.gazer.resources | nindent 12 }}
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env:
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- name: NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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- name: PYTHONUNBUFFERED
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value: "1"
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- name: PYTHONWARNINGS
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value: "ignore:Unverified HTTPS request"
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volumeMounts:
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{{- toYaml .Values.gazer.volumeMounts | nindent 12 }}
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initContainers:
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- name: init-headers
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image: "{{ .Values.gazer.initImage.repository }}:{{ .Values.gazer.initImage.tag }}"
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imagePullPolicy: {{ .Values.gazer.initImage.pullPolicy }}
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securityContext:
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{{- toYaml .Values.gazer.securityContext | nindent 12 }}
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volumeMounts:
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{{- toYaml .Values.gazer.volumeMounts | nindent 12 }}
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{{- with .Values.gazer.volumes }}
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volumes:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.gazer.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.gazer.affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.gazer.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}

‎charts/lazy-koala/templates/gazer/prometheus/configmap.yaml

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{{- if .Values.gazer.create -}}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: prometheus-config
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namespace: {{ .Release.Namespace }}
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data:
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prometheus.yml: |
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global:
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scrape_interval: 10s
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scrape_configs:
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- job_name: 'lazy-koala'
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scrape_interval: 1s
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metrics_path: /
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kubernetes_sd_configs:
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- role: pod
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relabel_configs:
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- source_labels: [__meta_kubernetes_pod_annotationpresent_lazy_koala_scrape]
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action: keep
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regex: true
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- source_labels: [__meta_kubernetes_pod_container_port_name]
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regex: metrics
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action: keep
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- source_labels: [__meta_kubernetes_pod_container_name]
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target_label: gazer
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{{- end }}

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