Connect AWS Redshift and Keycloak users in our serverless environment

class AwsRedshiftSourceSelect {
    async init() {
        // More info at https://www.npmjs.com/package/@aws-sdk/client-redshift-data
        // TODO: Create team variables. More info at https://yepcode.io/docs/processes/team-variables
        this.awsRedshift = new RedshiftDataClient({
            region: yepcode.env.AWS_REGION,
            credentials: {
                accessKeyId: yepcode.env.AWS_ACCESS_KEY_ID,
                secretAccessKey: yepcode.env.AWS_SECRET_ACCESS_KEY,
            },
        });

        // TODO: Customize the command to be executed
        // More info at https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-redshift-data/interfaces/executestatementcommandinput.html
        const {
            Id
        } = await this.awsRedshift.send(
            new ExecuteStatementCommand({
                ClusterIdentifier: "your-cluster-identifier",
                Database: "your-database-name",
                DbUser: "your-database-user",
                Sql: "SELECT * FROM your-table-name;",
            })
        );
        this.statementId = Id;
        await this._awaitStatementToFinish();
    }

    async fetch(publish, done) {
        let nextToken;
        // if result is returned paginated, iterate to publish entire statement result
        do {
            const result = await this.awsRedshift.send(
                new GetStatementResultCommand({
                    Id: this.statementId,
                    NextToken: nextToken,
                })
            );
            nextToken = result.NextToken;
            for (const record of result.Records) {
                // Each record come as a list of record cells
                // More info at https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-redshift-data/interfaces/getstatementresultcommandoutput.html

                // TODO: Customize record columns mapping to the item that will be published
                const item = {
                    id: record.id,
                    ...record
                };

                await publish(item);
            }
        } while (nextToken);
        done();
    }

    async close() {}

    _awaitStatementToFinish() {
        return new Promise((resolve, reject) => {
            const describeStatementCommand = new DescribeStatementCommand({
                Id: this.statementId,
            });

            // Configure interval to check statement status
            const intervalId = setInterval(async () => {
                const result = await this.awsRedshift.send(describeStatementCommand);
                if (result.Status === "FINISHED") {
                    clearInterval(intervalId);
                    resolve();
                    return;
                }

                if (result.Status === "FAILED" || result.Status === "ABORTED") {
                    clearInterval(intervalId);
                    reject();
                    return;
                }
            }, 1000);
        });
    }
}

class KeycloakTargetCreateUser {
    async init() {
        // More info at https://www.npmjs.com/package/@keycloak/keycloak-admin-client
        // TODO: Create team variables. More info at https://yepcode.io/docs/processes/team-variables
        this.keycloakClient = new KcAdminClient({
            baseUrl: yepcode.env.KEYCLOAK_BASE_URL,
            realmName: yepcode.env.KEYCLOAK_REALM_NAME,
            requestOptions: {},
        });
        await this.keycloakClient.auth({
            username: yepcode.env.KEYCLOAK_USERNAME,
            password: yepcode.env.KEYCLOAK_PASSWORD,
            grantType: "password",
            clientId: yepcode.env.KEYCLOAK_CLIENT_ID,
        });
    }

    async consume(item) {
        await this.createUser(item);
    }

    async createUser({
        firstName,
        lastName,
        email,
        username,
        password
    }) {
        // TODO: Customize your new user payload with your item content
        // See all available options at: https://www.keycloak.org/docs-api/11.0/rest-api/index.html#_userrepresentation
        const payload = {
            firstName,
            lastName,
            email,
            username,
            enabled: true,
            emailVerified: true,
            credentials: [{
                type: "password",
                value: password,
                temporary: false
            }],
        };
        return this.keycloakClient.users.create(payload);
    }

    async close() {}
}