Retrace server interface

1 files changed, 89 insertions, 0 deletions

diff --git a/retrace/interface/retrace.py b/retrace/interface/retrace.py
new file mode 100644
index 00000000..87f48c53
--- /dev/null
+++ b/retrace/interface/retrace.py
@@ -0,0 +1,89 @@
+#!/usr/bin/python
+import os
+import re
+import ConfigParser
+from webob import Request
+from subprocess import *
+
+REQUIRED_FILES = ["architecture", "coredump", "package"] #, "packages"]
+
+DF_OUTPUT_PARSER = re.compile("^([^ ^\t]*)[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+%)[ \t]+(.*)$")
+XZ_OUTPUT_PARSER = re.compile("^totals[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+\.[0-9]+)[ \t]+([^ ^\t]+)[ \t]+([0-9]+)[ \t]+([0-9]+)$")
+
+CONFIG_FILE = "/etc/abrt/retrace.conf"
+CONFIG = {
+    "MaxParallelTasks": 2,
+    "MaxPackedSize": 30,
+    "MaxUnpackedSize": 600,
+    "MinStorageLeft": 10240,
+    "WorkDir": "/var/spool/abrt-retrace",
+}
+
+def read_config():
+    parser = ConfigParser.ConfigParser()
+    parser.read(CONFIG_FILE)
+    for key in CONFIG.keys():
+        vartype = type(CONFIG[key])
+        if vartype is int:
+            get = parser.getint
+        elif vartype is bool:
+            get = parser.getbool
+        elif vartype is float:
+            get = parser.getfloat
+        else:
+            get = parser.get
+
+        try:
+            CONFIG[key] = get("retrace", key)
+        except:
+            pass
+
+def free_space(path):
+    pipe = Popen(["df", path], stdout=PIPE).stdout
+    for line in pipe.readlines():
+        match = DF_OUTPUT_PARSER.match(line)
+        if match:
+            pipe.close()
+            return 1024 * int(match.group(4))
+
+    pipe.close()
+    return None
+
+def unpacked_size(archive):
+    pipe = Popen(["/usr/local/bin/xz", "--list", "--robot", archive], stdout=PIPE).stdout
+    for line in pipe.readlines():
+        match = XZ_OUTPUT_PARSER.match(line)
+        if match:
+            pipe.close()
+            return int(match.group(4))
+
+    pipe.close()
+    return None
+
+def new_crash():
+    i = 1
+    newdir = CONFIG["WorkDir"] + "/0"
+    while os.path.exists(newdir):
+        i += 1
+        newdir = CONFIG["WorkDir"] + "/" + str(i)
+
+    try:
+        os.mkdir(newdir)
+        return i, newdir
+    except:
+        return None, None
+
+def unpack(archive):
+    pipe = Popen(["tar", "xJf", archive])
+    pipe.wait()
+    return pipe.returncode
+
+def get_task_password(crashdir):
+    return "Password for " + crashdir
+
+def get_task_est_time(crashdir):
+    return 10
+
+def response(start_response, status, body="", extra_headers=[]):
+    start_response(status, [("Content-Type", "text/plain"), ("Content-Length", str(len(body)))] + extra_headers)
+    return [body]