add testground plans to bitswap on CI

- Add a basic testground plan for bitswap
   - Showcases how to emit regressions stats from a testplan
- Add CI plumbing to run testplans on push
As a result of this PR, also:
- Created the ipfs/go-ipfs-regressions repo, which defines stats structures for the output of testplans and the input to regression analysis and tests

.github/workflows/testground-on-push.yml

@@ -0,0 +1,33 @@
+---
+name: Testground PR Checker
+
+on: [push]
+
+jobs:
+  testground:
+    runs-on: ubuntu-latest
+    name: ${{ matrix.composition_file }}
+    strategy:
+      matrix:
+        include:
+          - backend_addr: ci.testground.ipfs.team
+            backend_proto: https
+            plan_directory: testplans/bitswap
+            composition_file: testplans/bitswap/_compositions/small-k8s.toml
+          - backend_addr: ci.testground.ipfs.team
+            backend_proto: https
+            plan_directory: testplans/bitswap
+            composition_file: testplans/bitswap/_compositions/medium-k8s.toml
+          - backend_addr: ci.testground.ipfs.team
+            backend_proto: https
+            plan_directory: testplans/bitswap
+            composition_file: testplans/bitswap/_compositions/large-k8s.toml
+    steps:
+      - uses: actions/checkout@v2
+      - name: testground run
+        uses: coryschwartz/[email protected]
+        with:
+          backend_addr: ${{ matrix.backend_addr }}
+          backend_proto: ${{ matrix.backend_proto }}
+          plan_directory: ${{ matrix.plan_directory }}
+          composition_file: ${{ matrix.composition_file }}

testplans/bitswap/_compositions/large-k8s.toml

@@ -0,0 +1,32 @@
+[metadata]
+
+[global]
+  plan = "bitswap"
+  case = "speed-test"
+  total_instances = 20
+  builder = "docker:go"
+  runner = "cluster:k8s"
+
+[global.build_config]
+  push_registry=true
+  go_proxy_mode="remote"
+  go_proxy_url="http://localhost:8081"
+  registry_type="aws"
+
+[global.run.test_params]
+size      = "1MB"
+count     = "1000"
+
+[[groups]]
+  id = "providers"
+  instances = { count = 1 }
+  [groups.resources]
+    memory = "4096Mi"
+    cpu = "1000m"
+
+[[groups]]
+  id = "requestors"
+  instances = { count = 19 }
+  [groups.resources]
+    memory = "4096Mi"
+    cpu = "1000m"

testplans/bitswap/_compositions/medium-k8s.toml

@@ -0,0 +1,33 @@
+[metadata]
+  name = "bitswap-medium-speed-test"
+
+[global]
+  plan = "bitswap"
+  case = "speed-test"
+  total_instances = 5
+  builder = "docker:go"
+  runner = "cluster:k8s"
+
+[global.build_config]
+  push_registry=true
+  go_proxy_mode="remote"
+  go_proxy_url="http://localhost:8081"
+  registry_type="aws"
+
+[global.run.test_params]
+size      = "1MB"
+count     = "1000"
+
+[[groups]]
+  id = "providers"
+  instances = { count = 1 }
+  [groups.resources]
+    memory = "4096Mi"
+    cpu = "1000m"
+
+[[groups]]
+  id = "requestors"
+  instances = { count = 4 }
+  [groups.resources]
+    memory = "4096Mi"
+    cpu = "1000m"

testplans/bitswap/_compositions/small-docker.toml

@@ -0,0 +1,30 @@
+[metadata]
+  name = "bitswap-local-speed-test"
+
+[global]
+  plan = "bitswap"
+  case = "speed-test"
+  total_instances = 2
+  builder = "docker:go"
+  runner = "local:docker"
+
+[global.build_config]
+  push_registry=false
+
+[global.run.test_params]
+size      = "1MB"
+count     = "1000"
+
+[[groups]]
+  id = "providers"
+  instances = { count = 1 }
+  [groups.resources]
+    memory = "4096Mi"
+    cpu = "1000m"
+
+[[groups]]
+  id = "requestors"
+  instances = { count = 1 }
+  [groups.resources]
+    memory = "4096Mi"
+    cpu = "1000m"

testplans/bitswap/_compositions/small-k8s.toml

@@ -0,0 +1,33 @@
+[metadata]
+  name = "bitswap-small-speed-test"
+
+[global]
+  plan = "bitswap"
+  case = "speed-test"
+  total_instances = 2
+  builder = "docker:go"
+  runner = "cluster:k8s"
+
+[global.build_config]
+  push_registry=true
+  go_proxy_mode="remote"
+  go_proxy_url="http://localhost:8081"
+  registry_type="aws"
+
+[global.run.test_params]
+size      = "1MB"
+count     = "1000"
+
+[[groups]]
+  id = "providers"
+  instances = { count = 1 }
+  [groups.resources]
+    memory = "4096Mi"
+    cpu = "1000m"
+
+[[groups]]
+  id = "requestors"
+  instances = { count = 1 }
+  [groups.resources]
+    memory = "4096Mi"
+    cpu = "1000m"

testplans/bitswap/go.mod

@@ -0,0 +1,29 @@
+module github.com/ipfs/go-ipfs/testplans/bitswap
+
+require (
+	github.com/gopherjs/gopherjs v0.0.0-20190812055157-5d271430af9f // indirect
+	github.com/ipfs/go-bitswap v0.3.4
+	github.com/ipfs/go-block-format v0.0.3
+	github.com/ipfs/go-cid v0.0.7
+	github.com/ipfs/go-datastore v0.4.5
+	github.com/ipfs/go-ipfs-blockstore v0.1.6
+	github.com/ipfs/go-ipfs-exchange-interface v0.0.1
+	github.com/ipfs/go-ipfs-regression v0.0.1
+	github.com/ipfs/go-ipns v0.1.0 // indirect
+	github.com/ipfs/go-log/v2 v2.3.0 // indirect
+	github.com/ipld/go-ipld-prime v0.9.1-0.20210324083106-dc342a9917db // indirect
+	github.com/libp2p/go-libp2p v0.14.4
+	github.com/libp2p/go-libp2p-core v0.8.6
+	github.com/libp2p/go-libp2p-discovery v0.5.1 // indirect
+	github.com/libp2p/go-libp2p-kad-dht v0.12.2
+	github.com/libp2p/go-libp2p-peerstore v0.2.8 // indirect
+	github.com/libp2p/go-libp2p-quic-transport v0.11.2 // indirect
+	github.com/multiformats/go-multiaddr v0.3.3
+	github.com/multiformats/go-multihash v0.0.15
+	github.com/polydawn/refmt v0.0.0-20201211092308-30ac6d18308e // indirect
+	github.com/smartystreets/assertions v1.0.1 // indirect
+	github.com/testground/sdk-go v0.2.7
+	golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5 // indirect
+)
+
+go 1.15