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[tor-commits] [chutney/master] Make chutney accept relative paths, as well as the scripts



commit cdd9119df445161162617d36b03cc6c20bcd8f53
Author: teor <teor2345@xxxxxxxxx>
Date:   Mon Feb 27 21:08:49 2017 +1100

    Make chutney accept relative paths, as well as the scripts
    
    Closes 21467 (finally!)
---
 lib/chutney/TorNet.py      | 28 ++++++++++++++++++++++++----
 tools/bootstrap-network.sh |  3 ---
 tools/test-network.sh      | 27 +++++++++++----------------
 3 files changed, 35 insertions(+), 23 deletions(-)

diff --git a/lib/chutney/TorNet.py b/lib/chutney/TorNet.py
index c9668f8..33b7cde 100644
--- a/lib/chutney/TorNet.py
+++ b/lib/chutney/TorNet.py
@@ -47,6 +47,26 @@ def mkdir_p(d, mode=448):
             return
         raise
 
+def get_absolute_chutney_path():
+    # use the current directory as the default
+    # (./chutney already sets CHUTNEY_PATH using the path to the script)
+    # use tools/test-network.sh if you want chutney to try really hard to find
+    # itself
+    relative_chutney_path = os.environ.get('CHUTNEY_PATH', os.getcwd())
+    return os.path.abspath(relative_chutney_path)
+
+def get_absolute_net_path():
+    # use the chutney path as the default
+    absolute_chutney_path = get_absolute_chutney_path()
+    relative_net_path = os.environ.get('CHUTNEY_DATA_DIR', 'net')
+    # but what is it relative to?
+    # let's check if it's in CHUTNEY_PATH first, to preserve
+    # backwards-compatible behaviour
+    chutney_net_path = os.path.join(absolute_chutney_path, relative_net_path)
+    if os.path.isdir(chutney_net_path):
+        return chutney_net_path
+    # ok, it's relative to the current directory, whatever that is
+    return os.path.abspath(relative_net_path)
 
 class Node(object):
 
@@ -672,7 +692,7 @@ DEFAULTS = {
     'hs_directory': 'hidden_service',
     'hs-hostname': None,
     'connlimit': 60,
-    'net_base_dir': os.environ.get('CHUTNEY_DATA_DIR', 'net'),
+    'net_base_dir': get_absolute_net_path(),
     'tor': os.environ.get('CHUTNEY_TOR', 'tor'),
     'tor-gencert': os.environ.get('CHUTNEY_TOR_GENCERT', None),
     'auth_cert_lifetime': 12,
@@ -681,7 +701,7 @@ DEFAULTS = {
     # so we default to ipv6_addr None
     'ipv6_addr': os.environ.get('CHUTNEY_LISTEN_ADDRESS_V6', None),
     'dirserver_flags': 'no-v2',
-    'chutney_dir': '.',
+    'chutney_dir': get_absolute_chutney_path(),
     'torrc_fname': '${dir}/torrc',
     'orport_base': 5000,
     'dirport_base': 7000,
@@ -819,7 +839,7 @@ class Network(object):
         self._nodes.append(n)
 
     def move_aside_nodes(self):
-        net_base_dir = os.environ.get('CHUTNEY_DATA_DIR', 'net')
+        net_base_dir = get_absolute_net_path()
         nodesdir = os.path.join(net_base_dir, 'nodes')
 
         if not os.path.exists(nodesdir):
@@ -927,7 +947,7 @@ def ConfigureNodes(nodelist):
 
 def getTests():
     tests = []
-    chutney_path = os.environ.get('CHUTNEY_PATH', '')
+    chutney_path = get_absolute_chutney_path()
     if len(chutney_path) > 0 and chutney_path[-1] != '/':
         chutney_path += "/"
     for x in os.listdir(chutney_path + "scripts/chutney_tests/"):
diff --git a/tools/bootstrap-network.sh b/tools/bootstrap-network.sh
index bbc77f7..496bc95 100755
--- a/tools/bootstrap-network.sh
+++ b/tools/bootstrap-network.sh
@@ -38,9 +38,6 @@ export CHUTNEY_NETWORK="$CHUTNEY_PATH/networks/$NETWORK_FLAVOUR"
 [ -e "$CHUTNEY_NETWORK" ] || \
   { echo "$myname: missing network file: $CHUTNEY_NETWORK"; exit 1; }
 
-# Chutney must be launched at $CHUTNEY_PATH, at least until #21521 is fixed
-cd "$CHUTNEY_PATH"
-
 "$CHUTNEY" stop "$CHUTNEY_NETWORK"
 
 echo "$myname: bootstrapping network: $flavour"
diff --git a/tools/test-network.sh b/tools/test-network.sh
index 008e410..1308c08 100755
--- a/tools/test-network.sh
+++ b/tools/test-network.sh
@@ -193,26 +193,24 @@ if [ -d "$PWD/$CHUTNEY_PATH" -a -x "$PWD/$CHUTNEY_PATH/chutney" ]; then
     export CHUTNEY_PATH="$PWD/$CHUTNEY_PATH"
 fi
 
-# For picking up the right tor binaries.
+# For picking up the right tor binaries
+# Choose coverage binaries, if selected
+tor_name=tor
+tor_gencert_name=tor-gencert
+if [ "$USE_COVERAGE_BINARY" = true ]; then
+    tor_name=tor-cov
+fi
 # If $TOR_DIR isn't set, chutney looks for tor binaries by name or path
 # using $CHUTNEY_TOR and $CHUTNEY_TOR_GENCERT, and then falls back to
 # looking for tor and tor-gencert in $PATH
 if [ -d "$TOR_DIR" ]; then
-    tor_name=tor
-    tor_gencert_name=tor-gencert
-    if [ "$USE_COVERAGE_BINARY" = true ]; then
-        tor_name=tor-cov
-    fi
+    # TOR_DIR is absolute, so these are absolute paths
     export CHUTNEY_TOR="${TOR_DIR}/src/or/${tor_name}"
     export CHUTNEY_TOR_GENCERT="${TOR_DIR}/src/tools/${tor_gencert_name}"
 else
-    # make binary paths absolute
-    if [ -x "$PWD/$CHUTNEY_TOR" ]; then
-        export CHUTNEY_TOR="$PWD/$CHUTNEY_TOR"
-    fi
-    if [ -x "$PWD/$CHUTNEY_TOR_GENCERT" ]; then
-        export CHUTNEY_TOR_GENCERT="$PWD/$CHUTNEY_TOR_GENCERT"
-    fi
+    # these are binary names, they will be searched for in $PATH
+    export CHUTNEY_TOR="${tor_name}"
+    export CHUTNEY_TOR_GENCERT="${tor_gencert_name}"
 fi
 
 # Set the variables for the chutney network flavour
@@ -226,9 +224,6 @@ if [ "$NETWORK_DRY_RUN" = true ]; then
     return 2>/dev/null || exit
 fi
 
-# Chutney must be launched at $CHUTNEY_PATH, at least until #21521 is fixed
-cd "$CHUTNEY_PATH"
-
 "$CHUTNEY_PATH/tools/bootstrap-network.sh" "$NETWORK_FLAVOUR" || exit 2
 
 # chutney starts verifying after 20 seconds, keeps on trying for 60 seconds,

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