commit b9b5a815b7a6e1bfa909ccf40a04a65e6696e7b1
Author: Paul Dix <paul@pauldix.net>
Date:   Fri Nov 22 16:59:04 2019 -0500

    Initial commit with some notes and proto

diff --git a/.gitignore b/.gitignore
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index 0000000000..577f28758b
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diff --git a/Cargo.lock b/Cargo.lock
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000000..1d0092d6c0
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,19 @@
+[package]
+name = "delorean"
+version = "0.1.0"
+authors = ["Paul Dix <paul@pauldix.net>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+futures = "0.1"
+tokio = "0.1.22"
+tower-grpc = "0.1.1"
+tower-hyper = "0.1.1"
+tower-util = "0.1.0"
+prost = "0.5.0"
+bytes = "0.4.12"
+
+[build-dependencies]
+tower-grpc-build = { git = "https://github.com/tower-rs/tower-grpc" }
\ No newline at end of file
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000000..1a351dcb91
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,11 @@
+use tower_grpc_build;
+
+fn main() {
+    // Build kv
+    tower_grpc_build::Config::new()
+        .enable_server(true)
+        .enable_client(true)
+        .build(&["proto/delorean/delorean.proto"], &["proto/delorean"])
+        .unwrap_or_else(|e| panic!("protobuf compilation failed: {}", e));
+    println!("cargo:rerun-if-changed=proto/delorean/delorean.proto");
+ }
\ No newline at end of file
diff --git a/proto/delorean/delorean.proto b/proto/delorean/delorean.proto
new file mode 100644
index 0000000000..d89c255d19
--- /dev/null
+++ b/proto/delorean/delorean.proto
@@ -0,0 +1,82 @@
+syntax = "proto3";
+package delorean;
+
+// TODO: how should requests handle authentication & authorization?
+
+message CreateBucketRequest {
+    uint32 org_id = 1;
+    Bucket bucket = 2;
+}
+
+message CreateBucketResponse {
+}
+
+message DeleteBucketResponse {
+}
+
+message DeleteBucketRequest {
+    uint32 id = 1;
+}
+
+message GetBucketsResponse {
+    repeated Bucket buckets = 1;
+}
+
+message Organization {
+    uint32 id = 1;
+    string name = 2;
+    repeated Bucket buckets = 3;
+}
+
+message Bucket {
+    uint32 id = 1;
+    string name = 2;
+    string retention = 3;
+}
+
+message S3PartitionRule {
+
+}
+
+service Delorean {
+    rpc CreateBucket(CreateBucketRequest) returns (CreateBucketResponse) {}
+    rpc DeleteBucket(DeleteBucketRequest) returns (DeleteBucketResponse) {}
+    rpc GetBuckets(Organization) returns (GetBucketsResponse) {}
+}
+
+/*
+S3 Organization scheme
+
+Considerations:
+  * Buckets are tied to a region, so storage servers should use buckets from a specific region
+
+  one bucket per region. don't do per org as there is a default 100 bucket limit per account
+
+  prefix:
+  indexes have their own spot. They can be built based on snapshot levels, which are like granularities. So
+  <server_id>/<org_id>/<bucket_id>/index/<snapshot level>/
+  <server_id>/<org_id>/<bucket_id>/data/<start time><end time><id start><id end>.tsm
+
+  Some things we'd want to query:
+  measurement = cpu and host = serverA
+  tag keys where host = server a
+  hosts where measurement = redis
+  fields where measurement = redis
+  hosts
+
+  group data by measurement_range, time, size limit. Roll over to next measurement range when we hit either time or size
+
+  so we can say we want to snapshot to S3 at least every 1h or 100MB. Should also be able to force S3 snapshot.
+
+  We can have overlapping S3 data, which is fine. Need ability to request that the server looks at overlaps and compacts them
+
+  given a set of key/value pairs, determine which ranges we need to lookup.
+
+  are the set of ranges fixed or dynamic? If dynamic they have to be able to overlap. Which means we'll need to be able to compact them?
+
+  be able to tell the server how many requests to send to s3 in parallel to load
+
+  configure when to roll to deeper prefix (size/file count based)
+
+  on boot it should load up its S3 file index and keep in memory
+*/
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000000..d889fcc519
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,81 @@
+use futures::{future, Future, Sink};
+use crate::delorean::{
+    server,
+    CreateBucketRequest,
+    CreateBucketResponse,
+    GetBucketsResponse,
+    DeleteBucketRequest,
+    DeleteBucketResponse,
+    Bucket,
+    Organization,
+};
+use std::sync::{Arc, Mutex};
+use std::fmt::Error;
+use tower_grpc::{Request, Response};
+use tower_hyper::server::{Http, Server};
+use tokio::net::TcpListener;
+use tower_util::Ready;
+
+pub mod delorean {
+    include!(concat!(env!("OUT_DIR"), "/delorean.rs"));
+}
+
+//#[derive(Debug, Clone)]
+//struct Delorean {
+//    buckets: Arc<Vec<Bucket>>,
+//}
+//
+//impl delorean::server::Delorean for Delorean {
+//    type CreateBucketFuture = future::FutureResult<Response<CreateBucketResponse>, tower_grpc::Status>;
+//    fn create_bucket(&mut self, request: Request<CreateBucketRequest>) -> Self::CreateBucketFuture {
+//        println!("CreateBucket: {:?}", request);
+//        let response = Response::new(CreateBucketResponse{});
+//        future::ok(response)
+//    }
+//
+//    type DeleteBucketFuture = future::FutureResult<Response<DeleteBucketResponse>, tower_grpc::Status>;
+//    //futures::future::result_::FutureResult<tower_grpc::response::Response<delorean::DeleteBucketResponse>, tower_grpc::status::Status>
+//    fn delete_bucket(&mut self, request: Request<DeleteBucketRequest>) -> Self::DeleteBucketFuture {
+//        println!("DeleteBucket: {:?}", request);
+//        future::ok(Response::new(DeleteBucketResponse{}))
+//    }
+//
+//    type GetBucketsFuture = future::FutureResult<Response<GetBucketsResponse>, tower_grpc::Status>;
+//    fn get_buckets(&mut self, request: Request<Organization>) -> Self::GetBucketsFuture {
+//        println!("GetBuckets: {:?}", request);
+//        future::ok(Response::new(GetBucketsResponse{buckets: self.buckets.clone().to_vec()}))
+//    }
+//}
+
+fn main() {
+    println!("Hello, world!");
+
+//    let handler = Delorean {
+//        buckets: Arc::new(vec![]),
+//    };
+//
+//    let new_service = server::DeloreanDbServer::new(handler);
+//    let mut server = Server::new(new_service);
+//    let http = Http::new().http2_only(true).clone();
+//
+//    let addr = "127.0.0.1:10000".parse().unwrap();
+//    let bind = TcpListener::bind(&addr).expect("bind");
+//
+//    println!("listening on {:?}", addr);
+//
+//    let serve = bind
+//        .incoming()
+//        .for_each(move |sock| {
+//            if let Err(e) = sock.set_nodelay(true) {
+//                return Err(e);
+//            }
+//
+//            let serve = server.serve_with(sock, http.clone());
+//            tokio::spawn(serve.map_err(|e| println!("h2 error: {:?}", e)));
+//
+//            Ok(())
+//        })
+//        .map_err(|e| eprintln!("accept error: {}", e));
+//
+//    tokio::run(serve);
+}