Release management using CircleCI (#3498)

* Release management using CircleCI

* Changelog updated

scripts/release_management/zip-file.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+
+# ZIP one file as "tendermint" into a ZIP like tendermint_VERSION_OS_ARCH.zip
+# Use environment variables CIRCLE_TAG, GOOS and GOARCH for easy input parameters.
+# Optimized for CircleCI
+
+import os
+import argparse
+import zipfile
+import hashlib
+
+
+BLOCKSIZE = 65536
+
+
+def zip_asset(file,destination,arcname,version,goos,goarch):
+  filename = os.path.basename(file)
+  output = "{0}/{1}_{2}_{3}_{4}.zip".format(destination,arcname,version,goos,goarch)
+
+  with zipfile.ZipFile(output,'w') as f:
+    f.write(filename=file,arcname=arcname)
+    f.comment=filename
+  return output
+
+
+if __name__ == "__main__":
+  parser = argparse.ArgumentParser()
+  parser.add_argument("--file", default="build/tendermint_{0}_{1}".format(os.environ.get('GOOS'),os.environ.get('GOARCH')), help="File to zip")
+  parser.add_argument("--destination", default="build", help="Destination folder for files")
+  parser.add_argument("--version", default=os.environ.get('CIRCLE_TAG'), help="Version number for binary, e.g.: v1.0.0")
+  parser.add_argument("--goos", default=os.environ.get('GOOS'), help="GOOS parameter")
+  parser.add_argument("--goarch", default=os.environ.get('GOARCH'), help="GOARCH parameter")
+  args = parser.parse_args()
+
+  if args.version is None:
+    raise parser.error("argument --version is required")
+  if args.goos is None:
+    raise parser.error("argument --goos is required")
+  if args.goarch is None:
+    raise parser.error("argument --goarch is required")
+
+  file = zip_asset(args.file,args.destination,"tendermint",args.version,args.goos,args.goarch)
+  print(file)
+