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Fix error handling

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Signed-off-by: Tim Etchells <tetchell@redhat.com>
This commit is contained in:
Tim Etchells 2020-11-23 17:08:21 -05:00
parent 54d567b235
commit a65863e0db
6 changed files with 51 additions and 66 deletions
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52
src/index.ts
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@ -9,7 +9,7 @@ import { Language } from 'language-recognizer/lib/types';
export async function run(): Promise<void> {
if (process.env.RUNNER_OS !== 'Linux') {
return Promise.reject(new Error('Only linux platform is supported at this time.'));
throw new Error('buildah, and therefore this action, only works on Linux. Please use a Linux runner.');
}
// get buildah cli
@ -21,23 +21,31 @@ export async function run(): Promise<void> {
const newImage = `${core.getInput('image', { required: true })}:${core.getInput('tag', { required: true })}`;
if (dockerFiles.length !== 0) {
doBuildUsingDockerFiles(cli, newImage, workspace, dockerFiles);
await doBuildUsingDockerFiles(cli, newImage, workspace, dockerFiles);
} else {
doBuildFromScratch(cli, newImage, workspace);
await doBuildFromScratch(cli, newImage, workspace);
}
core.setOutput("image", newImage);
}
async function doBuildUsingDockerFiles(cli: BuildahCli, newImage: string, workspace: string, dockerFiles: string[]): Promise<void> {
const context = path.join(workspace, core.getInput('context'));
const buildArgs = getInputList(core.getInput('build-args'));
dockerFiles = dockerFiles.map(file => path.join(workspace, file));
const build = await cli.buildUsingDocker(newImage, context, dockerFiles, buildArgs);
if (build.succeeded === false) {
return Promise.reject(new Error('Failed building an image from docker files.'));
if (dockerFiles.length === 1) {
core.info(`Performing build from Dockerfile`);
}
else {
core.info(`Performing build from ${dockerFiles.length} Dockerfiles`);
}
const context = path.join(workspace, core.getInput('context'));
const buildArgs = getInputList('build-args');
dockerFiles = dockerFiles.map(file => path.join(workspace, file));
await cli.buildUsingDocker(newImage, context, dockerFiles, buildArgs);
}
async function doBuildFromScratch(cli: BuildahCli, newImage: string, workspace: string) {
async function doBuildFromScratch(cli: BuildahCli, newImage: string, workspace: string): Promise<void> {
core.info(`Performing build from scratch`)
let baseImage = core.getInput('base-image');
const content = getInputList('content');
const entrypoint = getInputList('entrypoint');
@ -52,23 +60,17 @@ async function doBuildFromScratch(cli: BuildahCli, newImage: string, workspace:
const languages = await recognizer.detectLanguages(workspace);
baseImage = await getSuggestedBaseImage(languages);
if (!baseImage) {
return Promise.reject(new Error('No base image found to create a new container'));
throw new Error('No base image found to create a new container');
}
} else {
return Promise.reject(new Error('No base image found to create a new container'));
throw new Error('No base image found to create a new container');
}
}
const container = await cli.from(baseImage);
if (container.succeeded === false) {
return Promise.reject(new Error(container.reason));
}
const containerId = container.output.replace('\n', '');
const copyResult = await cli.copy(containerId, content);
if (copyResult.succeeded === false) {
return Promise.reject(new Error(copyResult.reason));
}
await cli.copy(containerId, content);
const newImageConfig: BuildahConfigSettings = {
entrypoint: entrypoint,
@ -76,15 +78,8 @@ async function doBuildFromScratch(cli: BuildahCli, newImage: string, workspace:
workingdir: workingDir,
envs: envs
};
const configResult = await cli.config(containerId, newImageConfig);
if (configResult.succeeded === false) {
return Promise.reject(new Error(configResult.reason));
}
const commit = await cli.commit(containerId, newImage, ['--squash']);
if (commit.succeeded === false) {
return Promise.reject(new Error(commit.reason));
}
await cli.config(containerId, newImageConfig);
await cli.commit(containerId, newImage, ['--squash']);
}
function getInputList(name: string): string[] {
@ -117,7 +112,6 @@ async function getSuggestedBaseImage(languages: Language[]): Promise<string> {
}
async function getBaseImageByLanguage(language: Language): Promise<string> {
// eslint-disable-next-line no-undef
const rawData = await fs.readFile(path.join(__dirname, '..', 'language-image.json'), 'utf-8');
const languageImageJSON = JSON.parse(rawData);
return languageImageJSON[language.name];