Improve the heuristic for truncating the traceback

[invirt/packages/invirt-dev.git] / invirtibuilder

diff --git a/invirtibuilder b/invirtibuilder
index d152b18..6f3d917 100755 (executable)
--- a/invirtibuilder
+++ b/invirtibuilder
@@ -48,7 +48,20 @@ from invirt.config import structs as config
 
 
 DISTRIBUTION = 'hardy'
-
+logfile = None
+
+def logAndRun(cmd, *args, **kwargs):
+    # Always grab stdout, even if the caller doesn't need it.
+    # TODO: don't slurp it all into memory in that case.
+    if 'stdout' in kwargs and kwargs['stdout'] is None:
+        del kwargs['stdout']
+    kwargs['stderr'] = logfile
+    logfile.write('---> Ran %s\n' % (cmd, ))
+    logfile.write('STDERR:\n')
+    output = c.captureOutput(cmd, *args, **kwargs)
+    logfile.write('STDOUT:\n')
+    logfile.write(output)
+    return output
 
 def getControl(package, ref):
     """Get the parsed debian/control file for a given package.
@@ -105,10 +118,10 @@ def sanitizeVersion(version):
 def aptCopy(package, commit, dst_pocket, src_pocket):
     """Copy a package from one pocket to another."""
     binaries = getBinaries(package, commit)
-    c.captureOutput(['reprepro-env', 'copy',
-                     b.pocketToApt(dst_pocket),
-                     b.pocketToApt(src_pocket),
-                     package] + binaries)
+    logAndRun(['reprepro-env', 'copy',
+               b.pocketToApt(dst_pocket),
+               b.pocketToApt(src_pocket),
+               package] + binaries)
 
 
 def sbuild(package, ref, arch, workdir, arch_all=False):
@@ -117,7 +130,7 @@ def sbuild(package, ref, arch, workdir, arch_all=False):
     if arch_all:
         args.append('-A')
     args.append(getDscName(package, ref))
-    c.captureOutput(args, cwd=workdir)
+    logAndRun(args, cwd=workdir)
 
 
 def sbuildAll(package, ref, workdir):
@@ -151,7 +164,7 @@ def tagSubmodule(pocket, package, commit, principal, version, env):
                                         package,
                                         principal))
 
-        c.captureOutput(
+        logAndRun(
             ['git', 'tag', '-m', tag_msg, '--', sanitizeVersion(version),
              commit],
             env=env,
@@ -161,7 +174,7 @@ def tagSubmodule(pocket, package, commit, principal, version, env):
 def updateSubmoduleBranch(pocket, package, commit):
     """Update the appropriately named branch in the submodule."""
     branch = b.pocketToGit(pocket)
-    c.captureOutput(
+    logAndRun(
         ['git', 'update-ref', 'refs/heads/%s' % branch, commit], cwd=b.getRepo(package))
 
 
@@ -173,13 +186,13 @@ def uploadBuild(pocket, workdir):
         upload = ['reprepro-env', '--ignore=wrongdistribution',
                   'include', apt, changes]
         try:
-            c.captureOutput(upload)
+            logAndRun(upload)
         except subprocess.CalledProcessError, e:
             if not force:
                 raise
             package = deb822.Changes(open(changes).read())['Binary']
-            c.captureOutput(['reprepro-env', 'remove', apt, package])
-            c.captureOutput(upload)
+            logAndRun(['reprepro-env', 'remove', apt, package])
+            logAndRun(upload)
 
 
 def updateSuperproject(pocket, package, commit, principal, version, env):
@@ -193,29 +206,29 @@ def updateSuperproject(pocket, package, commit, principal, version, env):
     """
     superproject = os.path.join(b._REPO_DIR, 'invirt/packages.git')
     branch = b.pocketToGit(pocket)
-    tree = c.captureOutput(['git', 'ls-tree', branch],
-                           cwd=superproject).strip()
+    tree = logAndRun(['git', 'ls-tree', branch],
+                     cwd=superproject).strip()
 
     new_tree = re.compile(
         r'^(160000 commit )[0-9a-f]*(\t%s)$' % package, re.M).sub(
         r'\g<1>%s\g<2>' % commit,
         tree)
 
-    new_tree_id = c.captureOutput(['git', 'mktree', '--missing'],
-                                  cwd=superproject,
-                                  stdin_str=new_tree).strip()
+    new_tree_id = logAndRun(['git', 'mktree', '--missing'],
+                            cwd=superproject,
+                            stdin_str=new_tree).strip()
 
     commit_msg = ('Update %s to version %s\n\n'
                   'Requested by %s' % (package,
                                        version.full_version,
                                        principal))
-    new_commit = c.captureOutput(
+    new_commit = logAndRun(
         ['git', 'commit-tree', new_tree_id, '-p', branch],
         cwd=superproject,
         env=env,
         stdin_str=commit_msg).strip()
 
-    c.captureOutput(
+    logAndRun(
         ['git', 'update-ref', 'refs/heads/%s' % branch, new_commit],
         cwd=superproject)
 
@@ -262,6 +275,8 @@ def build():
     When triggered, iterate over build queue items one at a time,
     until there are no more pending build jobs.
     """
+    global logfile
+
     while True:
         stage = 'processing incoming job'
         queue = os.listdir(b._QUEUE_DIR)
@@ -283,11 +298,18 @@ def build():
 
         database.session.begin()
 
+        logdir = os.path.join(b._LOG_DIR, str(db.build_id))
+        if not os.path.exists(logdir):
+            os.makedirs(logdir)
+
         try:
             db.failed_stage = 'validating job'
             # Don't expand the commit in the DB until we're sure the user
             # isn't trying to be tricky.
             b.ensureValidPackage(package)
+
+            logfile = open(os.path.join(logdir, '%s.log' % db.package), 'w')
+
             db.commit = commit = b.canonicalize_commit(package, commit)
             src = b.validateBuild(pocket, package, commit)
             version = b.getVersion(package, commit)
@@ -331,21 +353,11 @@ def build():
                     # If we were, we could use debuild and get nice
                     # environment scrubbing. Since we're not, debuild
                     # complains about not having an orig.tar.gz
-                    c.captureOutput(['dpkg-buildpackage', '-us', '-uc', '-S'],
-                                  cwd=packagedir,
-                                  stdout=None)
-
-                    try:
-                        db.failed_stage = 'building binary packages'
-                        sbuildAll(package, commit, workdir)
-                    finally:
-                        logdir = os.path.join(b._LOG_DIR, str(db.build_id))
-                        if not os.path.exists(logdir):
-                            os.makedirs(logdir)
-
-                        for log in glob.glob(os.path.join(workdir, 'build-*.log')):
-                            os.copy(log, logdir)
+                    logAndRun(['dpkg-buildpackage', '-us', '-uc', '-S'],
+                              cwd=packagedir)
 
+                    db.failed_stage = 'building binary packages'
+                    sbuildAll(package, commit, workdir)
                     db.failed_stage = 'tagging submodule'
                     tagSubmodule(pocket, package, commit, principal, version, env)
                     db.failed_stage = 'updating submodule branches'
@@ -364,6 +376,9 @@ def build():
             db.succeeded = True
             db.failed_stage = None
         finally:
+            if logfile is not None:
+                logfile.close()
+
             database.session.save_or_update(db)
             database.session.commit()