1 files changed, 108 insertions, 0 deletions
diff --git a/tools/merge_backup.py b/tools/merge_backup.py
new file mode 100644
index 0000000..27c71a5
--- /dev/null
+++ b/tools/merge_backup.py
@@ -0,0 +1,108 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2014-2015, NORDUnet A/S.
+# See LICENSE for licensing information.
+
+import sys
+import base64
+import select
+from certtools import timing_point
+from mergetools import chunks, backup_sendlog, get_logorder, \
+     get_verifiedsize, get_missingentriesforbackup, read_chain, \
+     hexencode, setverifiedsize, sendentry_merge, verifyroot
+
+def merge_backup(args, config, localconfig, sth_in):
+    paths = localconfig["paths"]
+    own_key = (localconfig["nodename"],
+               "%s/%s-private.pem" % (paths["privatekeys"],
+                                      localconfig["nodename"]))
+    secondaries = config.get("mergenodes", [])
+    mergedb = paths["mergedb"]
+    chainsdir = mergedb + "/chains"
+    logorderfile = mergedb + "/logorder"
+    timing = timing_point()
+
+    logorder = get_logorder(logorderfile)
+    timing_point(timing, "get logorder")
+
+    (tree_size, root_hash, _) = sth_in
+
+    for secondary in secondaries:
+        if secondary["name"] == config["primarymergenode"]:
+            continue
+        nodeaddress = "https://%s/" % secondary["address"]
+        nodename = secondary["name"]
+        timing = timing_point()
+        print >>sys.stderr, "backing up to node", nodename
+        sys.stderr.flush()
+        verifiedsize = get_verifiedsize(nodename, nodeaddress, own_key, paths)
+        timing_point(timing, "get verified size")
+        print >>sys.stderr, "verified size", verifiedsize
+        sys.stderr.flush()
+        entries = [base64.b64encode(entry) for entry in logorder[verifiedsize:]]
+        print >>sys.stderr, "sending log:",
+        sys.stderr.flush()
+        for chunk in chunks(entries, 1000):
+            for trynumber in range(5, 0, -1):
+                sendlogresult = \
+                  backup_sendlog(nodename, nodeaddress, own_key, paths,
+                                 {"start": verifiedsize, "hashes": chunk})
+                if sendlogresult == None:
+                    if trynumber == 1:
+                        sys.exit(1)
+                    select.select([], [], [], 10.0)
+                    print >>sys.stderr, "tries left:", trynumber
+                    sys.stderr.flush()
+                    continue
+                break
+            if sendlogresult["result"] != "ok":
+                print >>sys.stderr, "sendlog:", sendlogresult
+                sys.exit(1)
+            verifiedsize += len(chunk)
+            print >>sys.stderr, verifiedsize,
+            sys.stderr.flush()
+        print >>sys.stderr
+        timing_point(timing, "sendlog")
+        print >>sys.stderr, "log sent"
+        sys.stderr.flush()
+        missingentries = get_missingentriesforbackup(nodename, nodeaddress,
+                                                     own_key, paths)
+        timing_point(timing, "get missing")
+        print >>sys.stderr, "missing entries:", len(missingentries)
+        sys.stderr.flush()
+        fetched_entries = 0
+        print >>sys.stderr, "fetching missing entries",
+        sys.stderr.flush()
+        for missingentry in missingentries:
+            ehash = base64.b64decode(missingentry)
+            sendentryresult = sendentry_merge(nodename, nodeaddress,
+                                              own_key, paths,
+                                              read_chain(chainsdir, ehash),
+                                              ehash)
+            if sendentryresult["result"] != "ok":
+                print >>sys.stderr, "send sth:", sendentryresult
+                sys.exit(1)
+            fetched_entries += 1
+            if fetched_entries % 1000 == 0:
+                print >>sys.stderr, fetched_entries,
+                sys.stderr.flush()
+        print >>sys.stderr
+        sys.stderr.flush()
+        timing_point(timing, "send missing")
+        verifyrootresult = verifyroot(nodename, nodeaddress, own_key, paths,
+                                      tree_size)
+        if verifyrootresult["result"] != "ok":
+            print >>sys.stderr, "verifyroot:", verifyrootresult
+            sys.exit(1)
+        secondary_root_hash = base64.b64decode(verifyrootresult["root_hash"])
+        if root_hash != secondary_root_hash:
+            print >>sys.stderr, "secondary root hash was", \
+              hexencode(secondary_root_hash)
+            print >>sys.stderr, "  expected", hexencode(root_hash)
+            sys.exit(1)
+        timing_point(timing, "verifyroot")
+        setverifiedsize(nodename, nodeaddress, own_key, paths, tree_size)
+        if args.timing:
+            print >>sys.stderr, timing["deltatimes"]
+            sys.stderr.flush()