aws-cdk
Version:
AWS CDK CLI, the command line tool for CDK apps
94 lines • 10.7 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.StackProgressMonitor = void 0;
const util = require("util");
const util_1 = require("../../util");
/**
* Monitors stack progress.s
*/
class StackProgressMonitor {
constructor(resourcesTotal) {
/**
* Previous completion state observed by logical ID
*
* We use this to detect that if we see a DELETE_COMPLETE after a
* CREATE_COMPLETE, it's actually a rollback and we should DECREASE
* resourcesDone instead of increase it
*/
this.resourcesPrevCompleteState = {};
/**
* Count of resources that have reported a _COMPLETE status
*/
this.resourcesDone = 0;
/**
* How many digits we need to represent the total count (for lining up the status reporting)
*/
this.resourceDigits = 0;
// +1 because the stack also emits a "COMPLETE" event at the end, and that wasn't
// counted yet. This makes it line up with the amount of events we expect.
this.resourcesTotal = resourcesTotal ? resourcesTotal + 1 : undefined;
// How many digits does this number take to represent?
this.resourceDigits = this.resourcesTotal ? Math.ceil(Math.log10(this.resourcesTotal)) : 0;
}
/**
* Report the stack progress
*/
get progress() {
return {
total: this.total,
completed: this.completed,
formatted: this.formatted,
};
}
/**
* The total number of progress monitored resources.
*/
get total() {
return this.resourcesTotal;
}
/**
* The number of completed resources.
*/
get completed() {
return this.resourcesDone;
}
/**
* Report the current progress as a [34/42] string, or just [34] if the total is unknown
*/
get formatted() {
if (this.resourcesTotal == null) {
// Don't have total, show simple count and hope the human knows
return (0, util_1.padLeft)(3, util.format('%s', this.resourcesDone)); // max 500 resources
}
return util.format('%s/%s', (0, util_1.padLeft)(this.resourceDigits, this.resourcesDone.toString()), (0, util_1.padLeft)(this.resourceDigits, this.resourcesTotal.toString()));
}
/**
* Process as stack event and update the progress state.
*/
process(event) {
const status = event.ResourceStatus;
if (!status || !event.LogicalResourceId) {
return;
}
if (status.endsWith('_COMPLETE_CLEANUP_IN_PROGRESS')) {
this.resourcesDone++;
}
if (status.endsWith('_COMPLETE')) {
const prevState = this.resourcesPrevCompleteState[event.LogicalResourceId];
if (!prevState) {
this.resourcesDone++;
}
else {
// If we completed this before and we're completing it AGAIN, means we're rolling back.
// Protect against silly underflow.
this.resourcesDone--;
if (this.resourcesDone < 0) {
this.resourcesDone = 0;
}
}
this.resourcesPrevCompleteState[event.LogicalResourceId] = status;
}
}
}
exports.StackProgressMonitor = StackProgressMonitor;
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