86 lines
2.8 KiB
TypeScript
86 lines
2.8 KiB
TypeScript
// Copyright 2016-2020, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import * as childProcess from "child_process";
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import { createCommandError } from "./errors";
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/** @internal */
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export class CommandResult {
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stdout: string;
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stderr: string;
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code: number;
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err?: Error;
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constructor(stdout: string, stderr: string, code: number, err?: Error) {
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this.stdout = stdout;
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this.stderr = stderr;
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this.code = code;
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this.err = err;
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}
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toString(): string {
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let errStr = "";
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if (this.err) {
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errStr = this.err.toString();
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}
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return `code: ${this.code}\n stdout: ${this.stdout}\n stderr: ${this.stderr}\n err?: ${errStr}\n`;
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}
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}
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const unknownErrCode = -2;
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/** @internal */
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export function runPulumiCmd(
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args: string[],
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cwd: string,
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additionalEnv: { [key: string]: string },
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onOutput?: (data: string) => void,
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): Promise<CommandResult> {
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// all commands should be run in non-interactive mode.
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// this causes commands to fail rather than prompting for input (and thus hanging indefinitely)
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args.push("--non-interactive");
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const env = { ...process.env, ...additionalEnv };
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return new Promise<CommandResult>((resolve, reject) => {
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const proc = childProcess.spawn("pulumi", args, { env, cwd });
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// TODO: write to buffers and avoid concatenation
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let stdout = "";
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let stderr = "";
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proc.stdout.on("data", (data) => {
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if (data && data.toString) {
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data = data.toString();
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}
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if (onOutput) {
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onOutput(data);
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}
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stdout += data;
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});
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proc.stderr.on("data", (data) => {
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stderr += data;
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});
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proc.on("exit", (code, signal) => {
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const resCode = code !== null ? code : unknownErrCode;
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const result = new CommandResult(stdout, stderr, resCode);
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if (code !== 0) {
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return reject(createCommandError(result));
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}
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return resolve(result);
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});
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proc.on("error", (err) => {
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const result = new CommandResult(stdout, stderr, unknownErrCode, err);
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return reject(createCommandError(result));
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});
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});
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}
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