github.com/projectriff/riff-cli@v0.0.5-0.20180301104501-5db7a3bd9fc1/pkg/initializers/python/dockerfile_generator.go (about) 1 /* 2 * Copyright 2018 the original author or authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package python 18 19 import ( 20 "github.com/projectriff/riff-cli/pkg/initializers/core" 21 "github.com/projectriff/riff-cli/pkg/options" 22 "path/filepath" 23 "github.com/projectriff/riff-cli/pkg/osutils" 24 ) 25 26 type PythonDockerFileTokens struct { 27 core.DockerFileTokens 28 RequirementsTextExists bool 29 } 30 31 var pythonFunctionDockerfileTemplate = ` 32 FROM projectriff/python2-function-invoker:{{.RiffVersion}} 33 ARG FUNCTION_MODULE={{.ArtifactBase}} 34 ARG FUNCTION_HANDLER={{.Handler}} 35 ADD ./{{.ArtifactBase}} / 36 {{- if .RequirementsTextExists }} 37 ADD ./requirements.txt / 38 RUN pip install --upgrade pip && pip install -r /requirements.txt 39 {{- end }} 40 ENV FUNCTION_URI file:///${FUNCTION_MODULE}?handler=${FUNCTION_HANDLER} 41 ` 42 43 func generatePythonFunctionDockerFile(opts options.InitOptions) (string, error) { 44 dockerFileTokens := PythonDockerFileTokens{} 45 dockerFileTokens.Artifact = opts.Artifact 46 dockerFileTokens.ArtifactBase = filepath.Base(opts.Artifact) 47 dockerFileTokens.RiffVersion = opts.RiffVersion 48 dockerFileTokens.Handler = opts.Handler 49 dockerFileTokens.RequirementsTextExists = requirementTextExists(opts.FilePath) 50 51 return core.GenerateFunctionDockerFileContents(pythonFunctionDockerfileTemplate, "docker-python", dockerFileTokens) 52 } 53 54 func requirementTextExists(filePath string) bool { 55 if !osutils.IsDirectory(filePath) { 56 filePath = filepath.Dir(filePath) 57 } 58 return osutils.FileExists(filepath.Join(filePath, "requirements.txt")) 59 }