Skip to content

137 load balancer support #178

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
brennanwilkes merged 3 commits into from
Mar 7, 2022
Merged

137 load balancer support #178

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
1017b6b
feat(backend): Basic load balancer capabilities
brennanwilkes Mar 7, 2022
9475a35
feat(backend): Added autoLoadBalance flag
brennanwilkes Mar 7, 2022
5315395
fix(backend): Adjustments and bug fixes
brennanwilkes Mar 7, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
27 changes: 26 additions & 1 deletion backend/src/controllers/terraform.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import {rootBlockSplitBackend} from "../terraform/terraform";
import {internalErrorHandler} from "../types/errorHandler";
import {TerraformResource} from "../types/terraform";
import {jsonToHcl} from "../util";
import {AwsLoadBalancer} from "../terraform/awsLoadBalancer";

export const createTerraformSettings = (req: Request, res: Response): void => {
const provider = req.body.settings?.provider as "aws" | "google" | "azure";
Expand All @@ -31,6 +32,7 @@ export const createTerraformSettings = (req: Request, res: Response): void => {
const allowSsh = req.body.settings.allowSsh ?? false;
const allowEgressWeb = req.body.settings.allowEgressWeb ?? false;
const allowIngressWeb = req.body.settings.allowIngressWeb ?? false;
const autoLoadBalance = req.body.settings.autoLoadBalance ?? false;

//Only needed for google
const project =
Expand Down Expand Up @@ -88,7 +90,30 @@ export const createTerraformSettings = (req: Request, res: Response): void => {
return;
}

const [gce, lambda, networkedResources] = splitForPrefab(resources);
/* eslint-disable prefer-const */
let [gce, lambda, networkedResources] = splitForPrefab(resources);
/* eslint-enable prefer-const */

if (autoLoadBalance) {
networkedResources = [
...networkedResources,
new AwsLoadBalancer(
`http_load_balancer`,
"TBD",
"application",
true,
"TBD",
"TBD",
undefined,
undefined,
undefined,
undefined,
undefined,
undefined,
"http-load-balancer"
)
];
}

const network =
networkedResources.length > 0 && provider === "aws"
Expand Down
75 changes: 36 additions & 39 deletions backend/src/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,46 +15,43 @@ server.serve("/about");
server.serve("/contact");
server.route("/", mainRouter);

// import {testToFileAws} from "./util";
// import {Ec2} from "./terraform/ec2";
// import {prefabNetwork} from "./terraform/prefab";
// import {S3} from "./terraform/s3";
// import {GlacierVault} from "./terraform/glacierVault";
// import {DynamoDb} from "./terraform/DynamoDb";
import {testToFileAws} from "./util";
import {Ec2} from "./terraform/ec2";
import {prefabNetwork} from "./terraform/prefab";
import {AwsLoadBalancer} from "./terraform/awsLoadBalancer";

// testToFileAws(
// "/home/brennan/aws_test/devxp.tf",
// prefabNetwork(
// {
// ec2: [new Ec2("AUTO_UBUNTU", "t2.micro", "instance_a", true)],
// s3: [
// new S3(
// "devxp_test_bucket_a",
// false,
// false,
// "devxp-test-bucket-a"
// )
// ],
// glacier: new GlacierVault(
// "devxp_test_vault",
// false,
// "devxp-test-vault"
// ),
// dynamo: new DynamoDb("devxp_test_dynamo_db", [
// {
// name: "field1",
// type: "S",
// isHash: true
// }
// ])
// },
// {
// ssh: true,
// webEgress: true,
// webIngress: true
// }
// )
// );
testToFileAws(
"/home/brennan/aws_test/devxp.tf",
prefabNetwork(
{
ec2: [
new Ec2("AUTO_UBUNTU", "t2.micro", "instance_a", true),
new Ec2("AUTO_UBUNTU", "t2.micro", "instance_b", true),
new Ec2("AUTO_UBUNTU", "t2.micro", "instance_c", true)
],
load_balancer: new AwsLoadBalancer(
`http_load_balancer`,
"TBD",
"application",
true,
"TBD",
"TBD",
undefined,
undefined,
undefined,
undefined,
undefined,
undefined,
"http-load-balancer"
)
},
{
ssh: true,
webEgress: true,
webIngress: true
}
)
);

mongoose.connection.on(
"error",
Expand Down
97 changes: 97 additions & 0 deletions backend/src/terraform/awsLoadBalancer.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,97 @@
import {jsonRoot} from "./util";
import {Resource} from "./resource";
import {load_balancer_type} from "../types/terraform";
import {arr} from "../util";
import {Ec2} from "./ec2";

export interface AwsLoadBalancer {
vpc: string;
internal: boolean;
type: load_balancer_type;
securityGroups: string[];
subnet: string[];
protocol: string;
port: number;
instances: Ec2[];
enable_http2: boolean;
enable_deletion_protection: boolean;
}
export class AwsLoadBalancer
extends Resource<AwsLoadBalancer>
implements AwsLoadBalancer
{
constructor(
id: string,

vpc: string,
type: load_balancer_type,
internal: boolean,
securityGroups: string[] | string,
subnet: string | string[],
protocol = "HTTP",
port = 80,

instances: Ec2[] = [],

enable_http2 = false,
enable_deletion_protection = true,

autoIam?: boolean,
name?: string
) {
super(id, "AwsLoadBalancer", autoIam, name);

this.vpc = vpc;
this.type = type;
this.internal = internal;
this.securityGroups = arr(securityGroups);
this.subnet = arr(subnet);
this.protocol = protocol;
this.port = port;
this.instances = instances;
this.enable_http2 = enable_http2;
this.enable_deletion_protection = enable_deletion_protection;
}

//Returns a resource block
toJSON() {
return [
jsonRoot("aws_lb", this.id, {
name: this.name,
internal: this.internal,
security_groups: this.securityGroups.map(
g => `\${aws_security_group.${g}.id}`
),
subnets: this.subnet.map(s => `\${aws_subnet.${s}.id}`),
enable_http2: this.enable_http2,
enable_deletion_protection: this.enable_deletion_protection
}),
jsonRoot("aws_lb_target_group", `${this.id}_target`, {
name: `${this.name}-target`,
port: this.port,
protocol: this.protocol,
vpc_id: `\${aws_vpc.${this.vpc}.id}`
}),
jsonRoot("aws_lb_listener", `${this.id}_listener`, {
port: this.port,
protocol: this.protocol,
load_balancer_arn: `\${aws_lb.${this.id}.id}`,
default_action: {
type: "forward",
target_group_arn: `\${aws_lb_target_group.${this.id}_target.arn}`
}
}),
...this.instances.map(ec2 =>
jsonRoot(
"aws_lb_target_group_attachment",
`${this.id}_${ec2.id}_attachment`,
{
target_group_arn: `\${aws_lb_target_group.${this.id}_target.arn}`,
target_id: `\${aws_instance.${ec2.id}.id}`,
port: this.port
}
)
)
];
}
}
33 changes: 20 additions & 13 deletions backend/src/terraform/awsVpc.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,20 +4,23 @@ import {AwsSubnet} from "./awsSubnet";
import {AwsInternetGateway} from "./AwsInternetGateway";
import {AwsRouteTable} from "./AwsRouteTable";
import {AwsRoute} from "./AwsRoute";
import {awsRegion} from "../types/terraform";

export interface AwsVpc {
cidr_block: string;
private_cidr: string;
public_cidr: string;
public_cidr: string[];
privateDns: boolean;
zones: awsRegion[];
}

export class AwsVpc extends Resource<AwsVpc> implements AwsVpc {
constructor(
cidr_block: string,
private_cidr: string,
public_cidr: string,
public_cidr: string[],
id: string,
zones: awsRegion[] = ["us-west-2a"],
autoIam?: boolean,
name?: string,
privateDns = false
Expand All @@ -27,19 +30,20 @@ export class AwsVpc extends Resource<AwsVpc> implements AwsVpc {
this.private_cidr = private_cidr;
this.public_cidr = public_cidr;
this.privateDns = privateDns;
this.zones = zones;
}

//Returns an array of resource blocks
toJSON() {
const gatewayId = `${this.id}_internetgateway`;
const publicRouteTableId = `${this.id}_routetable_pub`;
const privateRouteTableId = `${this.id}_routetable_priv`;
//const privateRouteTableId = `${this.id}_routetable_priv`;
const publicSubetId = `${this.id}_subnet_public`;
const privateSubnetId = `${this.id}_subnet_private`;
//const privateSubnetId = `${this.id}_subnet_private`;

return [
//PRIVATE
new AwsSubnet(
/*new AwsSubnet(
this.id,
this.private_cidr,
false,
Expand All @@ -53,17 +57,20 @@ export class AwsVpc extends Resource<AwsVpc> implements AwsVpc {
subnet_id: `\${aws_subnet.${privateSubnetId}.id}`,
route_table_id: `\${aws_route_table.${privateRouteTableId}.id}`
}
),
),*/

//----------------------------------------------------------------//

//PUBLIC
new AwsSubnet(
this.id,
this.public_cidr,
true,
publicSubetId
).toJSON(),
...this.zones.map((zone, i) =>
new AwsSubnet(
this.id,
this.public_cidr[i] ?? this.public_cidr[0],
true,
`${publicSubetId}${i}`,
zone
).toJSON()
),
new AwsInternetGateway(gatewayId, this.id).toJSON(),
new AwsRouteTable(
publicRouteTableId,
Expand All @@ -86,7 +93,7 @@ export class AwsVpc extends Resource<AwsVpc> implements AwsVpc {
"aws_route_table_association",
`${this.id}_subnet_public_assoc`,
{
subnet_id: `\${aws_subnet.${publicSubetId}.id}`,
subnet_id: `\${aws_subnet.${publicSubetId}0.id}`,
route_table_id: `\${aws_route_table.${publicRouteTableId}.id}`
}
),
Expand Down
Loading