261 lines
8.3 KiB
JavaScript
261 lines
8.3 KiB
JavaScript
const Docker = require('dockerode');
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const docker = new Docker({
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'socketPath': '/home/docker.sock'
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});
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const fs = require('fs');
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const GIT_SCENARIOS = process.env.GIT_SCENARIOS;
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const GIT_TAG = process.env.GIT_TAG || "master";
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const DOCKERIMAGE = "qlikgear/terraform:1.0.1";
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const SSHPATH = process.env.SSHPATH;
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function hook_stdout(callback) {
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var old_write = process.stdout.write
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process.stdout.write = (function(write) {
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return function(string, encoding, fd) {
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write.apply(process.stdout, arguments)
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callback(string, encoding, fd)
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}
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})(process.stdout.write)
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return function() {
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process.stdout.write = old_write
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}
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}
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function _buildVarsExec( exec, provision, scenario ) {
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let prefix = scenario.name.toUpperCase();
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prefix = prefix.replace(/AZQMI/g, 'QMI');
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exec.push('-var');
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exec.push(`prefix=${prefix}`);
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if ( scenario.subscription && scenario.subscription.subsId ) {
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exec.push('-var');
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exec.push(`subscription_id=${scenario.subscription.subsId}`);
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}
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if ( scenario.subscription && scenario.subscription.vnetExists ) {
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exec.push('-var');
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exec.push(`subnet_id=${scenario.subscription.subnetId}`);
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if ( scenario.isExternal ) {
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exec.push('-var');
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exec.push(`app_gw_subnet=${scenario.subscription.appGwSubnetId}`);
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}
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}
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exec.push('-var');
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exec.push(`provision_id=${provision._id}`);
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exec.push('-var');
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exec.push(`user_id=${provision.user.displayName}`);
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if (!provision.vmImage) {
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//Old way
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if ( provision.vmType ) {
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exec.push('-var');
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exec.push(`vm_type=${provision.vmType}`);
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}
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if ( provision.nodeCount) {
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exec.push('-var');
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exec.push(`agent_count=${provision.nodeCount}`);
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}
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} else if ( provision.vmImage ) {
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//New way
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for ( let key in provision.vmImage ) {
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if ( provision.vmImage[key].nodeCount ) {
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exec.push('-var');
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exec.push(`agent_count_${key}=${provision[key].nodeCount}`);
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}
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if ( provision.vmImage[key].vmType ) {
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exec.push('-var');
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exec.push(`vm_type_${key}=${provision.vmImage[key].vmType}`);
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}
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if ( provision.vmImage[key].diskSizeGb ) {
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exec.push('-var');
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exec.push(`disk_size_gb_${key}=${provision.vmImage[key].diskSizeGb}`);
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}
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if ( provision.vmImage[key].version ) {
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exec.push('-var');
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exec.push(`image_reference_${key}=${provision.vmImage[key].version.image}`);
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}
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}
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}
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if ( provision.isExternalAccess ) {
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exec.push('-var');
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exec.push(`is_external_access=${provision.isExternalAccess}`);
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}
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return exec;
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}
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const init = function( provision ) {
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const name = `qmi-tf-init-${provision._id}`;
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console.log(`Init: will spin up container: ${name}`);
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var processStream = fs.createWriteStream(provision.logFile, {flags:'a'});
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let exec = ['terraform', 'init', '-no-color', `-from-module=${GIT_SCENARIOS}//${provision.scenario}?ref=${GIT_TAG}`];
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console.log('Init: exec: '+exec.join(" "));
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return docker.run(DOCKERIMAGE, exec, processStream, {
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//"Env": ["VAR_ENV=whatever"],
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"name": name,
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"WorkingDir": "/app",
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"HostConfig": {
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"Binds": [
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`${provision.path}:/app`
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]
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}
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}).then(function(data) {
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var output = data[0];
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var container = data[1];
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console.log(`Init: ${name} (${container.id}) has finished with code: ${output.StatusCode}`);
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return container.remove();
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}).then(function() {
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console.log(`Init: ${name} removed!`);
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return provision;
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});
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};
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const plan = function( provision, scenario ) {
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const name = `qmi-tf-plan-${provision._id}`;
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console.log(`Plan: will spin up container: ${name}`);
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var processStream = fs.createWriteStream(provision.logFile, {flags:'a'});
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//var processStream = process.stdout;
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var exec = ['terraform', 'plan', '-no-color', '-input=false', '-out=tfplan' ];
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exec = _buildVarsExec(exec, provision, scenario);
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console.log('Plan: exec: '+exec.join(" "));
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return docker.run(DOCKERIMAGE, exec, processStream, {
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//"Env": ["VAR_ENV=whatever"],
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"name": name,
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"WorkingDir": "/app",
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"HostConfig": {
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"Binds": [
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`${provision.path}:/app`,
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`${SSHPATH}:/root/.ssh`
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],
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"NetworkMode": "host"
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}
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}).then(function(data){
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var container = data[1];
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console.log(`Plan: ${name} (${container.id}) has finished with code: ${data[0].StatusCode}`);
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return container.remove();
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}).then(function() {
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console.log(`Plan: ${name} removed!`);
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return fs.readFileSync(provision.logFile);
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})
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};
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const apply = function( provision ) {
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const name = `qmi-tf-apply-${provision._id}`;
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console.log(`Apply: will spin up container: ${name}`);
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var processStream = fs.createWriteStream(provision.logFile, {flags:'a'});
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//var processStream = process.stdout;
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var exec = ['terraform', 'apply', 'tfplan', '-no-color'];
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console.log('Apply: exec: '+exec.join(" "));
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return docker.run(DOCKERIMAGE, exec, processStream, {
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//"Env": ["VAR_ENV=whatever"],
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"name": name,
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"WorkingDir": "/app",
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"HostConfig": {
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"Binds": [
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`${provision.path}:/app`,
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`${SSHPATH}:/root/.ssh`
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],
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"NetworkMode": "host"
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}
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}).then(function(data){
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let container = data[1];
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console.log(`Apply: ${name} (${container.id}) has finished with code: ${data[0].StatusCode}`);
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return container.remove();
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}).then(function() {
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console.log(`Apply: ${name} removed!`);
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return fs.readFileSync(provision.logFile);
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})
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}
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const destroy = function(destroyMongo, provision, scenario) {
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const name = `qmi-tf-destroy-${destroyMongo._id}`;
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console.log(`Destroy: will spin up container: ${name}`);
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var processStream = fs.createWriteStream(destroyMongo.logFile, {flags:'a'});
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var exec = ['terraform', 'destroy', '-auto-approve', '-no-color'];
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exec = _buildVarsExec(exec, provision, scenario);
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console.log('Destroy: exec: '+exec.join(" "));
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return docker.run(DOCKERIMAGE, exec, processStream, {
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//"Env": ["VAR_ENV=whatever"],
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"name": name,
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"WorkingDir": "/app",
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"HostConfig": {
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"Binds": [
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`${provision.path}:/app`,
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`${SSHPATH}:/root/.ssh`
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]
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}
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}).then(function(data) {
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var container = data[1];
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console.log(`Destroy: '${name}' (${container.id}) has finished with code: ${data[0].StatusCode}`);
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return container.remove();
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}).then(async function(data) {
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console.log(`Destroy: '${name}' removed!`);
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return fs.readFileSync(destroyMongo.logFile);
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});
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};
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const outputs = function(provision) {
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const name = `qmi-tf-output-${provision._id}`;
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console.log(`Output: will spin up container: ${name}`);
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var exec = ['terraform', 'output', '-no-color', '-json'];
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console.log('Output: exec: '+exec.join(" "));
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var tfout = "";
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var unhook = hook_stdout(function(string, encoding, fd) {
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tfout += string.trim();
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});
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return docker.run(DOCKERIMAGE, exec, process.stdout, {
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//"Env": ["VAR_ENV=whatever"],
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"name": name,
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"WorkingDir": "/app",
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"HostConfig": {
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"Binds": [
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`${provision.path}:/app`
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]
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}
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}).then(function(data) {
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unhook();
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var container = data[1];
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console.log(`Output: '${name}' (${container.id}) has finished with code: ${data[0].StatusCode}`);
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return container.remove();
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}).then(async function(data) {
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console.log(`Output: '${name}' removed!`);
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console.log("Output: tfout: " + tfout);
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var out = JSON.parse(tfout);
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var o = {};
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for (var key in out) {
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o[key] = out[key].value;
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}
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return o;
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});
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};
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module.exports.init = init;
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module.exports.plan = plan;
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module.exports.apply = apply;
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module.exports.destroy = destroy;
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module.exports.outputs = outputs; |