Create a config.json from manifest and pubkey files

App/mkconfig

@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+
+# Given a manifest.yaml file, a pubkeys.yaml file, and (optionally) a
+# list of nodes to include, generate the config.json file to give to
+# each of the nodes.  If the list of nodes is missing, include all nodes
+# in the manifest.yaml file.  It is an error to include a node that is
+# missing from either the manifest.yaml or the pubkeys.yaml files.
+
+# Usage: mkconfig [-m manifest.yaml] [-p pubkeys.yaml] [node1 node2...]
+
+import argparse
+import json
+import yaml
+
+# The default manifest file
+MANIFEST = "manifest.yaml"
+
+# The default pubkeys file
+PUBKEYS = "pubkeys.yaml"
+
+def create_json(manifestfile, pubkeysfile, nodelist):
+    """Given a manifest.yaml file, a pubkeys.yaml file, and (optionally) a
+    list of nodes to include, generate the config.json file to give to
+    each of the nodes.  If the list of nodes is missing, include all nodes
+    in the manifest.yaml file.  It is an error to include a node that is
+    missing from either the manifest.yaml or the pubkeys.yaml files."""
+    with open(manifestfile) as mf:
+        manifest = yaml.safe_load(mf)
+    with open(pubkeysfile) as pf:
+        pubkeys = yaml.safe_load(pf)
+    if nodelist is None or len(nodelist) == 0:
+        nodelist = manifest.keys()
+    config = []
+    for node in nodelist:
+        nodeconf = {}
+        m = manifest[node]
+        nodeconf['name'] = node
+        nodeconf['pubkey'] = pubkeys[node]
+        nodeconf['listen'] = m['listen']
+        # Optional fields
+        for f in ['clisten', 'weight']:
+            if f in m:
+                nodeconf[f] = m[f]
+        config.append(nodeconf)
+    return json.dumps(config)
+
+if __name__ == "__main__":
+    aparse = argparse.ArgumentParser(
+        description='Create a TEEMS config.json file from a manifest and a pubkeys file'
+    )
+    aparse.add_argument('-m', default=MANIFEST,
+        help='manifest.yaml file')
+    aparse.add_argument('-p', default=PUBKEYS,
+        help='pubkeys.yaml file')
+    aparse.add_argument('node', nargs='*', help='nodes to include')
+    args = aparse.parse_args()
+
+    json = create_json(args.m, args.p, args.node)
+
+    if json is not None:
+        print(json)