FAB-14493 Use externalbuilder in basic netwrk test

This creates a sample golang chaincode external builder, and utilizes it
in one of the peers in the basic solo end to end test.

Change-Id: I336bea3cd9e89b83ec06395fb9d7cd4b35a54389
Signed-off-by: Jason Yellick <jyellick@us.ibm.com>

Author: Jason Yellick

integration/e2e/e2e_test.go

@@ -93,6 +93,15 @@ var _ = Describe("EndToEnd", func() {
 			})
 
 			network.GenerateConfigTree()
+
+			// Enable externabuilders for peer0
+			cwd, err := os.Getwd()
+			Expect(err).NotTo(HaveOccurred())
+			peer := network.Peer("Org1", "peer0")
+			core := network.ReadPeerConfig(peer)
+			core.Chaincode.ExternalBuilders = []string{filepath.Join(cwd, "..", "externalbuilders", "golang")}
+			network.WritePeerConfig(peer, core)
+
 			network.Bootstrap()
 
 			networkRunner := network.NetworkGroupRunner()

integration/externalbuilders/golang/bin/build

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Copyright IBM Corp. All Rights Reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -euo pipefail
+
+DIR="${BASH_SOURCE%/*}"
+if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
+. "$DIR/parse.sh"
+
+GOPATH=$SOURCE:$GOPATH go build -o "$OUTPUT/chaincode" -ldflags "-linkmode external -extldflags '-static'" "$GO_PACKAGE_PATH"

integration/externalbuilders/golang/bin/detect

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Copyright IBM Corp. All Rights Reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -euo pipefail
+
+DIR="${BASH_SOURCE%/*}"
+if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
+. "$DIR/parse.sh"
+
+if [ "$TYPE" = "GOLANG" ] ; then
+    exit 0
+fi
+
+echo "Supported types is only golang -- got type '$TYPE'"
+exit 1

integration/externalbuilders/golang/bin/launch

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Copyright IBM Corp. All Rights Reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -euo pipefail
+
+DIR="${BASH_SOURCE%/*}"
+if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
+. "$DIR/parse.sh"
+
+export CORE_CHAINCODE_ID_NAME="${PACKAGE_ID}"
+
+export CORE_TLS_CLIENT_CERT_PATH="$ARTIFACTS/client.crt"
+export CORE_TLS_CLIENT_KEY_PATH="$ARTIFACTS/client.key"
+export CORE_PEER_TLS_ROOTCERT_FILE="$ARTIFACTS/root.crt"
+
+jq -r .ClientCert $ARTIFACTS/chaincode.json | base64 --decode > "$CORE_TLS_CLIENT_CERT_PATH"
+jq -r .ClientKey $ARTIFACTS/chaincode.json | base64 --decode > "$CORE_TLS_CLIENT_KEY_PATH"
+jq -r .RootCert $ARTIFACTS/chaincode.json | base64 --decode > "$CORE_PEER_TLS_ROOTCERT_FILE"
+
+if [ -z "$(cat $CORE_TLS_CLIENT_CERT_PATH)" ]  ; then
+    export CORE_PEER_TLS_ENABLED=false
+else 
+    export CORE_PEER_TLS_ENABLED=true
+fi
+
+"$OUTPUT/chaincode" -peer.address=$(jq -r .PeerAddress "$ARTIFACTS/chaincode.json") &
+
+PID=$?
+
+sleep 5
+
+disown
+
+kill -0 $PID
+exit $?
+

integration/externalbuilders/golang/bin/parse.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# Copyright IBM Corp. All Rights Reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+while (( "$#" )); do
+  case "$1" in
+    --artifacts)
+      ARTIFACTS=$2
+      shift 2
+      ;;
+    "--package-id")
+      PACKAGE_ID=$2
+      shift 2
+      ;;
+    "--path")
+      GO_PACKAGE_PATH=$2
+      shift 2
+      ;;
+    "--type")
+      TYPE=$2
+      shift 2
+      ;;
+    "--source")
+      SOURCE=$2
+      shift 2
+      ;;
+    "--output")
+      OUTPUT=$2
+      shift 2
+      ;;
+    --) # end argument parsing
+      shift
+      break
+      ;;
+    -*|--*=) # unsupported flags
+      echo "Error: Unsupported flag $1" >&2
+      exit 1
+      ;;
+  esac
+done