feat(rust): add rust support to Draft 🎉

packs/rust/.dockerignore

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+Dockerfile
+draft.toml
+chart/
+NOTICE
+target

packs/rust/Dockerfile

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+FROM rust:1.19.0
+
+WORKDIR /usr/src/app
+COPY . /usr/src/app
+RUN cargo install && cargo build
+
+ENV PORT 8080
+EXPOSE 8080
+
+CMD ["cargo", "run", "-q"]

packs/rust/charts/.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
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj

packs/rust/charts/Chart.yaml

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+name: rust
+description: A Helm chart for Kubernetes
+apiVersion: v1
+version: v0.1.0

packs/rust/charts/templates/NOTES.txt

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+
+{{- if contains "NodePort" .Values.service.type }}
+  Get the application URL by running these commands:
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT/login
+{{- else if contains "LoadBalancer" .Values.service.type }}
+  Get the application URL by running these commands:
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get svc -w {{ template "fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
+  echo http://$SERVICE_IP:{{ .Values.service.externalPort }}
+{{- else }}
+  http://{{ .Release.Name }}.{{ .Values.basedomain }} to access your application
+{{- end }}

packs/rust/charts/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "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).
+*/}}
+{{- define "fullname" -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

packs/rust/charts/templates/deployment.yaml

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+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: {{ template "fullname" . }}
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+    draft: {{ default "draft-app" .Values.draft }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "fullname" . }}
+        draft: {{ default "draft-app" .Values.draft }}
+    spec:
+      containers:
+      - name: {{ .Chart.Name }}
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        imagePullPolicy: {{ .Values.image.pullPolicy }}
+        ports:
+        - containerPort: {{ .Values.service.internalPort }}
+        resources:
+{{ toYaml .Values.resources | indent 12 }}

packs/rust/charts/templates/ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: {{ template "fullname" . }}
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+spec:
+  rules:
+  - host: {{ .Release.Name }}.{{ .Values.basedomain }}
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: {{ template "fullname" . }}
+          servicePort: {{ .Values.service.externalPort }}
+{{- end -}}

packs/rust/charts/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "fullname" . }}
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+  - port: {{ .Values.service.externalPort }}
+    targetPort: {{ .Values.service.internalPort }}
+    protocol: TCP
+    name: {{ .Values.service.name }}
+  selector:
+    app: {{ template "fullname" . }}

packs/rust/charts/values.yaml

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+# Default values for Swift.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+replicaCount: 2
+image:
+  repository: rust
+  tag: latest
+  pullPolicy: IfNotPresent
+service:
+  name: rust
+  type: ClusterIP
+  externalPort: 80
+  internalPort: 8080
+resources:
+  limits:
+    cpu: 100m
+    memory: 128Mi
+  requests:
+    cpu: 100m
+    memory: 128Mi

packs/rust/detect

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+#!/usr/bin/env bash
+
+BUILD_DIR=$1
+
+# Exit early if app is clearly not Rust.
+if [ ! -f $BUILD_DIR/Cargo.lock ] && [ ! -f $BUILD_DIR/Cargo.toml ]; then
+  exit 1
+fi
+
+echo Rust