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Merge pull request #14 from ciaranRoche/fg-4954-gen-service
Generate Service YAML
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| // Copyright © 2019 RubiXFunctions | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| func InitializeJSFunction(function *Function, schema *Schema){ | ||
| if !exists(function.AbsPath()) { | ||
| err := os.MkdirAll(function.AbsPath(), os.ModePerm) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| return | ||
| } | ||
| } else if !isEmpty(function.AbsPath()) { | ||
| fmt.Println("Function can not be bootstrapped in a non empty direcctory: " + function.AbsPath()) | ||
| return | ||
| } | ||
|
|
||
| createJSDockerfile(function) | ||
| createJSMain(function) | ||
| createJSSchema(schema, function) | ||
| createJSPackageJSON(function) | ||
| createLicense(function) | ||
| fmt.Println(`Your Function is ready at` + function.AbsPath()) | ||
| } | ||
|
|
||
| func createJSDockerfile(function *Function) { | ||
|
|
||
| dockerTemplate := `FROM node:alpine | ||
| WORKDIR /usr/src/app | ||
| COPY . . | ||
| RUN npm install --only=production | ||
| ENV PORT 8080 | ||
| EXPOSE $PORT | ||
| CMD [ "npm", "start" ]` | ||
|
|
||
|
|
||
| createFile(function, dockerTemplate, "Dockerfile") | ||
| } | ||
|
|
||
| func createJSMain(function *Function){ | ||
| jSTemplate := `const r3x = require('@rubixfunctions/r3x-js-sdk') | ||
| let schema | ||
| r3x.execute(function(){ | ||
| let response = {'message' : 'Hello r3x function'} | ||
| return response | ||
| }, schema)` | ||
| createFile(function, jSTemplate, "r3x-func.js") | ||
| } | ||
|
|
||
| func createJSServiceYAML(name string, image string){ | ||
| wd, err := os.Getwd() | ||
| if err != nil { | ||
| log.Print(err) | ||
| return | ||
| } | ||
| data := make(map[string]interface{}) | ||
| data["name"] = name | ||
| data["image"] = image | ||
| var serviceYaml = `apiVersion: serving.knative.dev/v1alpha1 | ||
| kind: Service | ||
| metadata: | ||
| name: {{.name}} | ||
| namespace: default | ||
| spec: | ||
| runLatest: | ||
| configuration: | ||
| revisionTemplate: | ||
| spec: | ||
| container: | ||
| image: {{.image}}` | ||
|
|
||
| rootCmdScript, err := executeTemplate(serviceYaml, data) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
|
|
||
| err = writeStringToFile(filepath.Join(wd, "service.yaml"), rootCmdScript) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
|
|
||
| fmt.Println("schema.json generated") | ||
| } | ||
|
|
||
| func createJSSchema(schema *Schema, function *Function){ | ||
| data := make(map[string]interface{}) | ||
| data["name"] = schema.Name | ||
| data["funcType"] = schema.FuncType | ||
| data["response"] = schema.Response | ||
| var schemaJson = `{ | ||
| "name" : "{{.name}}", | ||
| "funcType" : "{{.funcType}}", | ||
| "response" : "{{.response}}" | ||
| }` | ||
|
|
||
| rootCmdScript, err := executeTemplate(schemaJson, data) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
|
|
||
| err = writeStringToFile(filepath.Join(function.AbsPath(), "schema.json"), rootCmdScript) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
| } | ||
|
|
||
| func createJSPackageJSON(function *Function) { | ||
| tempPackageTemplate := `{ | ||
| "name": "{{ .name}}", | ||
| "version": "0.0.1", | ||
| "description": "r3x Knative Function", | ||
| "main": "r3x-func.js", | ||
| "scripts": { | ||
| "start": "node r3x-func.js" | ||
| }, | ||
| "keywords": [ | ||
| "javascript", | ||
| "knative", | ||
| "kubernetes", | ||
| "serverless" | ||
| ], | ||
| "dependencies": { | ||
| "@rubixfunctions/r3x-js-sdk": "0.0.9" | ||
| } | ||
| } | ||
| ` | ||
|
|
||
| data := make(map[string]interface{}) | ||
| data["name"] = function.name | ||
|
|
||
| rootCmdScript, err := executeTemplate(tempPackageTemplate, data) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
|
|
||
| err = writeStringToFile(filepath.Join(function.AbsPath(), "package.json"), rootCmdScript) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
| } |
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