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parallelize startup #17

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Oct 18, 2023
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97 changes: 67 additions & 30 deletions aws-throwaway/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,8 @@ impl Aws {
let config = config().await;
let user_name = iam::user_name(&config).await;
let keyname = format!("aws-throwaway-{user_name}-{}", Uuid::new_v4());
let security_group_name = format!("aws-throwaway-{user_name}-{}", Uuid::new_v4());
let placement_group_name = format!("aws-throwaway-{user_name}-{}", Uuid::new_v4());
let client = aws_sdk_ec2::Client::new(&config);

let tags = Tags {
Expand All @@ -64,9 +66,36 @@ impl Aws {
// Cleanup any resources that were previously failed to cleanup
Self::cleanup_resources_inner(&client, &tags).await;

let (client_private_key, security_group_id, _, default_subnet_id) = tokio::join!(
Aws::create_key_pair(&client, &tags, &keyname),
Aws::create_security_group(&client, &tags, &security_group_name),
Aws::create_placement_group(&client, &tags, &placement_group_name),
Aws::get_default_subnet_id(&client)
);

let key = PrivateKey::random(&mut OsRng {}, ssh_key::Algorithm::Ed25519).unwrap();
let host_public_key_bytes = key.public_key().to_bytes().unwrap();
let host_public_key = key.public_key().to_openssh().unwrap();
let host_private_key = key.to_openssh(ssh_key::LineEnding::LF).unwrap().to_string();

Aws {
client,
keyname,
client_private_key,
host_public_key_bytes,
host_public_key,
host_private_key,
security_group_id,
placement_group_name,
default_subnet_id,
tags,
}
}

async fn create_key_pair(client: &aws_sdk_ec2::Client, tags: &Tags, name: &str) -> String {
let keypair = client
.create_key_pair()
.key_name(&keyname)
.key_name(name)
.key_type(KeyType::Ed25519)
.tag_specifications(tags.create_tags(ResourceType::KeyPair, "aws-throwaway"))
.send()
Expand All @@ -75,11 +104,17 @@ impl Aws {
.unwrap();
let client_private_key = keypair.key_material().unwrap().to_string();
tracing::info!("client_private_key:\n{}", client_private_key);
client_private_key
}

let security_group = format!("aws-throwaway-{user_name}-{}", Uuid::new_v4());
async fn create_security_group(
client: &aws_sdk_ec2::Client,
tags: &Tags,
name: &str,
) -> String {
let security_group_id = client
.create_security_group()
.group_name(&security_group)
.group_name(name)
.description("aws-throwaway security group")
.tag_specifications(tags.create_tags(ResourceType::SecurityGroup, "aws-throwaway"))
.send()
Expand All @@ -89,10 +124,24 @@ impl Aws {
.group_id
.unwrap();
tracing::info!("created security group");

tokio::join!(
Aws::create_ingress_rule_internal(client, tags, name),
Aws::create_ingress_rule_ssh(client, tags, name),
);

security_group_id
}

async fn create_ingress_rule_internal(
client: &aws_sdk_ec2::Client,
tags: &Tags,
group_name: &str,
) {
assert!(client
.authorize_security_group_ingress()
.group_name(&security_group)
.source_security_group_name(&security_group)
.group_name(group_name)
.source_security_group_name(group_name)
.tag_specifications(
tags.create_tags(ResourceType::SecurityGroupRule, "within aws-throwaway SG")
)
Expand All @@ -102,10 +151,13 @@ impl Aws {
.unwrap()
.r#return()
.unwrap());
tracing::info!("created security group rule");
tracing::info!("created security group rule - internal");
}

async fn create_ingress_rule_ssh(client: &aws_sdk_ec2::Client, tags: &Tags, group_name: &str) {
assert!(client
.authorize_security_group_ingress()
.group_name(&security_group)
.group_name(group_name)
.ip_protocol("tcp")
.from_port(22)
.to_port(22)
Expand All @@ -117,12 +169,13 @@ impl Aws {
.unwrap()
.r#return()
.unwrap());
tracing::info!("created security group rule");
tracing::info!("created security group rule - ssh");
}

let placement_group_name = format!("aws-throwaway-{user_name}-{}", Uuid::new_v4());
async fn create_placement_group(client: &aws_sdk_ec2::Client, tags: &Tags, name: &str) {
client
.create_placement_group()
.group_name(&placement_group_name)
.group_name(name)
// refer to: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html
// For our current usage spread makes the most sense.
.strategy(PlacementStrategy::Spread)
Expand All @@ -132,8 +185,10 @@ impl Aws {
.map_err(|e| e.into_service_error())
.unwrap();
tracing::info!("created placement group");
}

let default_subnet_id = client
async fn get_default_subnet_id(client: &aws_sdk_ec2::Client) -> String {
client
.describe_subnets()
.filters(
Filter::builder()
Expand All @@ -156,25 +211,7 @@ impl Aws {
.pop()
.unwrap()
.subnet_id
.unwrap();

let key = PrivateKey::random(&mut OsRng {}, ssh_key::Algorithm::Ed25519).unwrap();
let host_public_key_bytes = key.public_key().to_bytes().unwrap();
let host_public_key = key.public_key().to_openssh().unwrap();
let host_private_key = key.to_openssh(ssh_key::LineEnding::LF).unwrap().to_string();

Aws {
client,
keyname,
client_private_key,
host_public_key_bytes,
host_public_key,
host_private_key,
security_group_id,
placement_group_name,
default_subnet_id,
tags,
}
.unwrap()
}

/// Call before dropping [`Aws`]
Expand Down