create a vendor file to fetch libraries at pkg time

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>

diff --git a/vendor.py b/vendor.py
new file mode 100644 (file)
index 0000000..f37d935
--- /dev/null
+++ b/vendor.py
@@ -0,0 +1,76 @@
+import subprocess
+import os
+from os import path
+import traceback
+
+
+error_msg = """
+This library depends on sources fetched when packaging that failed to be
+retrieved.
+
+This means that it will *not* work as expected. Errors encountered:
+"""
+
+
+def run(cmd):
+    print '[vendoring] Running command: %s' % ' '.join(cmd)
+    try:
+        result = subprocess.Popen(
+            cmd,
+            stderr=subprocess.PIPE,
+            stdout=subprocess.PIPE
+        )
+    except Exception as error:
+        print_error([], traceback.format_exc(error).split('\n'))
+        raise SystemExit(1)
+
+    if result.wait():
+        print_error(result.stdout.readlines(), result.stderr.readlines())
+
+
+def print_error(stdout, stderr):
+    print '*'*80
+    print error_msg
+    for line in stdout:
+        print line
+    for line in stderr:
+        print line
+    print '*'*80
+
+
+def vendor_library(name, version):
+    this_dir = path.dirname(path.abspath(__file__))
+    vendor_dest = path.join(this_dir, 'ceph_deploy/lib/%s' % name)
+    vendor_src = path.join(this_dir, name)
+    vendor_module = path.join(vendor_src, name)
+    current_dir = os.getcwd()
+
+    if path.exists(vendor_src):
+        run(['rm', '-rf', vendor_src])
+
+    if not os.path.exists(vendor_dest):
+        run(['git', 'clone', 'git://ceph.com/%s' % name])
+        os.chdir(vendor_src)
+        run(['git', 'checkout', version])
+        run(['mv', vendor_module, vendor_dest])
+    os.chdir(current_dir)
+
+
+def vendorize(vendor_requirements):
+    """
+    This is the main entry point for vendorizing requirements. It expects
+    a list of tuples that should contain the name of the library and the
+    version.
+
+    For example, a library ``foo`` with version ``0.0.1`` would look like::
+
+        vendor_requirements = [
+            ('foo', '0.0.1'),
+        ]
+    """
+
+    for library in vendor_requirements:
+        name, version = library
+        vendor_library(name, version)
+
+vendorize([('remoto', '0.0.1'),])