chore: wip draft of erpc chart

charts/erpc/.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/erpc/Chart.lock

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+dependencies:
+- name: postgresql
+  repository: https://charts.bitnami.com/bitnami
+  version: 13.4.4
+digest: sha256:fd3eac77c75e9be16f0b6f6bfc7e03e469a6a5651e5a561592c21f4bde5e1ff5
+generated: "2024-10-28T12:32:40.462542691+01:00"

charts/erpc/Chart.yaml

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+apiVersion: v2
+name: erpc
+description: eRPC is a fault-tolerant EVM RPC proxy and re-org aware permanent caching solution. It is built with read-heavy use-cases in mind such as data indexing and high-load frontend usage.
+home: https://github.com/erpc/erpc
+type: application
+version: 0.0.1
+maintainers:
+  - name: barnabasbusa
+    email: busa.barnabas@gmail.com
+  - name: pk910
+    email: pk910@pk910.de
+dependencies:
+  - name: postgresql
+    version: "13.4.x"
+    repository: "https://charts.bitnami.com/bitnami"
+    condition: postgresql.enabled

charts/erpc/README.md

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+
+# erpc
+
+![Version: 0.0.1](https://img.shields.io/badge/Version-0.0.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+
+eRPC is a fault-tolerant EVM RPC proxy and re-org aware permanent caching solution. It is built with read-heavy use-cases in mind such as data indexing and high-load frontend usage.
+
+**Homepage:** <https://github.com/erpc/erpc>
+
+## Requirements
+
+| Repository | Name | Version |
+|------------|------|---------|
+| https://charts.bitnami.com/bitnami | postgresql | 13.4.x |
+
+## Values
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| affinity | object | `{}` | Affinity configuration for pods |
+| annotations | object | `{}` | Annotations for the StatefulSet |
+| config | string | See `values.yaml` | Config file |
+| containerSecurityContext | object | See `values.yaml` | The security context for containers |
+| customCommand | list | `[]` | Command replacement for the erpc container |
+| extraArgs | list | `[]` | Extra args for the erpc container |
+| extraContainers | list | `[]` | Additional containers |
+| extraEnv | list | `[]` | Additional env variables |
+| extraPorts | list | `[]` | Additional ports. Useful when using extraContainers |
+| extraVolumeMounts | list | `[]` | Additional volume mounts |
+| extraVolumes | list | `[]` | Additional volumes |
+| fullnameOverride | string | `""` | Overrides the chart's computed fullname |
+| httpPort | int | `4000` |  |
+| image.pullPolicy | string | `"IfNotPresent"` | erpc container pull policy |
+| image.repository | string | `"ghcr.io/erpc/erpc"` | erpc container image repository |
+| image.tag | string | `"0.0.26"` | erpc container image tag |
+| imagePullSecrets | list | `[]` | Image pull secrets for Docker images |
+| ingress.annotations | object | `{}` | Annotations for Ingress |
+| ingress.enabled | bool | `false` | Ingress resource for the HTTP API |
+| ingress.hosts[0].host | string | `"chart-example.local"` |  |
+| ingress.hosts[0].paths | list | `[]` |  |
+| ingress.tls | list | `[]` | Ingress TLS |
+| initContainers | list | `[]` | Additional init containers |
+| livenessProbe | object | See `values.yaml` | Liveness probe |
+| nameOverride | string | `""` | Overrides the chart's name |
+| nodeSelector | object | `{}` | Node selector for pods |
+| persistence.accessModes | list | `["ReadWriteOnce"]` | Access mode for the volume claim template |
+| persistence.annotations | object | `{}` | Annotations for volume claim template |
+| persistence.enabled | bool | `false` | Uses an EmptyDir when not enabled |
+| persistence.existingClaim | string | `nil` | Use an existing PVC when persistence.enabled |
+| persistence.selector | object | `{}` | Selector for volume claim template |
+| persistence.size | string | `"1Gi"` | Requested size for volume claim template |
+| persistence.storageClassName | string | `nil` | Use a specific storage class E.g 'local-path' for local storage to achieve best performance Read more (https://github.com/rancher/local-path-provisioner) |
+| podAnnotations | object | `{}` | Pod annotations |
+| podDisruptionBudget | object | `{}` | Define the PodDisruptionBudget spec If not set then a PodDisruptionBudget will not be created |
+| podLabels | object | `{}` | Pod labels |
+| podManagementPolicy | string | `"OrderedReady"` | Pod management policy |
+| postgresql.auth.database | string | `"erpc"` |  |
+| postgresql.auth.enablePostgresUser | bool | `true` |  |
+| postgresql.auth.password | string | `"postgres"` |  |
+| postgresql.auth.postgresPassword | string | `"postgres"` |  |
+| postgresql.auth.username | string | `"postgres"` |  |
+| postgresql.enabled | bool | `true` |  |
+| postgresql.image.registry | string | `"docker.io"` |  |
+| postgresql.image.repository | string | `"bitnami/postgresql"` |  |
+| postgresql.image.tag | string | `"15.3.0-debian-11-r7"` |  |
+| postgresql.name | string | `"{{ .Release.Name }}-postgresql"` | If enabled a postgres chart will be deployed as a dependency |
+| postgresql.persistence.enabled | bool | `true` |  |
+| postgresql.persistence.size | string | `"8Gi"` |  |
+| postgresql.primary.extendedConfiguration | string | `"max_connections = 1024\n"` |  |
+| postgresql.pullPolicy | string | `"IfNotPresent"` |  |
+| priorityClassName | string | `nil` | Pod priority class |
+| readinessProbe | object | See `values.yaml` | Readiness probe |
+| replicas | int | `1` | Number of replicas |
+| resources | object | `{}` | Resource requests and limits |
+| secretEnv | object | `{}` | Additional env variables injected via a created secret |
+| securityContext | object | See `values.yaml` | The security context for pods |
+| service.type | string | `"ClusterIP"` | Service type |
+| 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 |
+| serviceMonitor.annotations | object | `{}` | Additional ServiceMonitor annotations |
+| serviceMonitor.enabled | bool | `false` | If true, a ServiceMonitor CRD is created for a prometheus operator https://github.com/coreos/prometheus-operator |
+| serviceMonitor.interval | string | `"1m"` | ServiceMonitor scrape interval |
+| serviceMonitor.labels | object | `{}` | Additional ServiceMonitor labels |
+| serviceMonitor.namespace | string | `nil` | Alternative namespace for ServiceMonitor |
+| serviceMonitor.path | string | `"/metrics"` | Path to scrape |
+| serviceMonitor.relabelings | list | `[]` | ServiceMonitor relabelings |
+| serviceMonitor.scheme | string | `"http"` | ServiceMonitor scheme |
+| serviceMonitor.scrapeTimeout | string | `"30s"` | ServiceMonitor scrape timeout |
+| serviceMonitor.tlsConfig | object | `{}` | ServiceMonitor TLS configuration |
+| terminationGracePeriodSeconds | int | `30` | How long to wait until the pod is forcefully terminated |
+| tolerations | list | `[]` | Tolerations for pods |
+| topologySpreadConstraints | list | `[]` | Topology Spread Constraints for pods |
+| updateStrategy | object | `{"type":"RollingUpdate"}` | Update stategy for the Statefulset |
+| updateStrategy.type | string | `"RollingUpdate"` | Update stategy type |
+
+# Example
+
+Usage: dora-explorer -config config.yaml
+
+Helper:
+```shell
+Usage of ./dora-explorer:
+-config string
+    Path to the config file, if empty string defaults will be used
+```
+
+In order to name validators based on ranges the following file format can be provided YAML:
+```yaml
+0-500: validator_set_A
+500-1000: validator_set_B
+1000-1500: validator_set_C
+...
+```
+
+More details can be found [here](https://github.com/pk910/dora).

charts/erpc/README.md.gotmpl

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+
+{{ template "chart.header" . }}
+{{ template "chart.deprecationWarning" . }}
+
+{{ template "chart.versionBadge" . }}{{ template "chart.typeBadge" . }}
+
+{{ template "chart.description" . }}
+
+{{ template "chart.homepageLine" . }}
+
+{{ template "chart.sourcesSection" . }}
+
+{{ template "chart.requirementsSection" . }}
+
+{{ template "chart.valuesSection" . }}
+
+# Example
+
+Usage: dora-explorer -config config.yaml
+
+Helper:
+```shell
+Usage of ./dora-explorer:
+-config string
+    Path to the config file, if empty string defaults will be used
+```
+
+In order to name validators based on ranges the following file format can be provided YAML:
+```yaml
+0-500: validator_set_A
+500-1000: validator_set_B
+1000-1500: validator_set_C
+...
+```
+
+More details can be found [here](https://github.com/pk910/dora).

charts/erpc/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "erpc.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 "erpc.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 "erpc.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "erpc.labels" -}}
+helm.sh/chart: {{ include "erpc.chart" . }}
+{{ include "erpc.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "erpc.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "erpc.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "erpc.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "erpc.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

charts/erpc/templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "erpc.fullname" . }}-config
+  labels:
+    {{- include "erpc.labels" . | nindent 4 }}
+data:
+  erpc.yaml: |
+    {{- tpl .Values.config . | nindent 4 }}

charts/erpc/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "erpc.fullname" . }}
+  labels:
+    {{- include "erpc.labels" . | nindent 4 }}
+  annotations:
+    {{- toYaml .Values.annotations | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicas }}
+  selector:
+    matchLabels:
+      {{- include "erpc.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "erpc.selectorLabels" . | nindent 8 }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+        {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+    spec:
+      serviceAccountName: {{ include "erpc.serviceAccountName" . }}
+    {{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+    {{- end }}
+      securityContext:
+        {{- toYaml .Values.securityContext | nindent 8 }}
+      initContainers:
+      {{- if .Values.initContainers }}
+        {{- toYaml .Values.initContainers | nindent 8 }}
+      {{- end }}
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          command:
+          {{- if gt (len .Values.customCommand) 0 }}
+            {{- toYaml .Values.customCommand | nindent 12}}
+          {{- else }}
+              - ./erpc-explorer
+              - -config
+              - /data/config.yaml
+          {{- end }}
+          {{- if gt (len .Values.extraArgs) 0 }}
+          args:
+            {{- toYaml .Values.extraArgs | nindent 12}}
+          {{- end }}
+          securityContext:
+            {{- toYaml .Values.containerSecurityContext | nindent 12 }}
+          volumeMounts:
+            - name: config
+              mountPath: "/data/config.yaml"
+              subPath: config.yaml
+              readOnly: true
+            - name: ranges
+              mountPath: "/data/ranges.yaml"
+              subPath: ranges.yaml
+              readOnly: true
+            {{- if .Values.extraVolumeMounts }}
+            {{ toYaml .Values.extraVolumeMounts | nindent 12 }}
+            {{- end }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.httpPort }}
+              protocol: TCP
+            {{- if .Values.extraPodPorts }}
+            {{ toYaml .Values.extraPodPorts | nindent 12 }}
+            {{- end }}
+          livenessProbe:
+            {{- toYaml .Values.livenessProbe | nindent 12 }}
+          readinessProbe:
+            {{- toYaml .Values.readinessProbe | nindent 12 }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          env:
+          {{- if .Values.extraEnv }}
+            {{- toYaml .Values.extraEnv | nindent 12 }}
+          {{- end }}
+        {{- if .Values.extraContainers }}
+        {{ toYaml .Values.extraContainers | nindent 8}}
+        {{- end }}
+      nodeSelector:
+        {{- toYaml .Values.nodeSelector | nindent 8 }}
+      affinity:
+        {{- toYaml .Values.affinity | nindent 8 }}
+      tolerations:
+        {{- toYaml .Values.tolerations | nindent 8 }}
+      topologySpreadConstraints:
+        {{- toYaml .Values.topologySpreadConstraints | nindent 8 }}
+      terminationGracePeriodSeconds: {{ .Values.terminationGracePeriodSeconds }}
+      volumes:
+      {{- if .Values.extraVolumes }}
+        {{ toYaml .Values.extraVolumes | nindent 8}}
+      {{- end }}
+        - name: config
+          configMap:
+            name: {{ include "erpc.fullname" . }}-config
+        - name: ranges
+          configMap: 
+            name: {{ include "erpc.fullname" . }}-ranges