coolify/src/lib/api/applications/preChecks.ts

import Configuration from "$models/Configuration";
import { compareObjects, execShellAsync } from "../common";

export default async function (configuration) {
    /* 
    0 => nothing changed, no need to redeploy
    1 => force update 
    2 => configuration changed
    3 => continue normally
    */
    const currentConfiguration = await Configuration.findOne({
        'general.nickname': configuration.general.nickname
    })
    if (currentConfiguration) {
        // Base service configuration changed
        if (
            !currentConfiguration.build.container.baseSHA ||
            currentConfiguration.build.container.baseSHA !== configuration.build.container.baseSHA
        ) {
            return 1
        }

        // If the deployment is in error state, forceUpdate
        try {
            const state = await execShellAsync(
                `docker stack ps ${currentConfiguration.build.container.name} --format '{{ json . }}'`
            );
            const isError = state
                .split('\n')
                .filter((n) => n)
                .map((s) => JSON.parse(s))
                .filter(
                    (n) =>
                        n.DesiredState !== 'Running' && n.Image.split(':')[1] === currentConfiguration.build.container.tag
                );
            if (isError.length > 0) {
                return 1
            }
        } catch(error) {
           console.log(error)
        }


        // If previewDeployments enabled
        if (
            currentConfiguration.general.isPreviewDeploymentEnabled &&
            currentConfiguration.general.pullRequest !== 0
        ) {
            return 1
        }
        // If build pack changed, forceUpdate the service
        if (currentConfiguration.build.pack !== configuration.build.pack) {
            return 1
        }

        const currentConfigurationCompare = JSON.parse(JSON.stringify(currentConfiguration));
        const configurationCompare = JSON.parse(JSON.stringify(configuration));
        delete currentConfigurationCompare.build.container;
        delete configurationCompare.build.container;

        if (
            !compareObjects(currentConfigurationCompare.build, configurationCompare.build) ||
            !compareObjects(currentConfigurationCompare.publish, configurationCompare.publish) ||
            currentConfigurationCompare.general.isPreviewDeploymentEnabled !==
            configurationCompare.general.isPreviewDeploymentEnabled
        ) {
            return 1
        }

        if (currentConfiguration.build.container.tag !== configuration.build.container.tag) {
            return 2
        }
        return 0
    }
    return 3
}