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-rw-r--r--ChangeLog13
-rwxr-xr-xscripts/build-many-glibcs.py170
2 files changed, 174 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index e6e48e7cc7..65227cce5a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2016-11-30 Joseph Myers <joseph@codesourcery.com>
+
+ * scripts/build-many-glibcs.py: Add bot-cycle to usage message.
+ Import email.mime.text, email.utils and smtplib modules.
+ (Context.__init__): Initialize self.bot_config_json.
+ (Context.run_builds): Handle bot-cycle action.
+ (Context.load_bot_config_json): New function.
+ (Context.part_build_old): Likewise.
+ (Context.bot_cycle): Likewise.
+ (Context.bot_build_mail): Likewise.
+ (Context.bot_run_self): Likewise.
+ (get_parser): Allow bot-cycle action.
+
2016-11-30 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.c (weak_alias):
diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
index d5355d851e..658a22e65f 100755
--- a/scripts/build-many-glibcs.py
+++ b/scripts/build-many-glibcs.py
@@ -22,21 +22,26 @@
This script takes as arguments a directory name (containing a src
subdirectory with sources of the relevant toolchain components) and a
description of what to do: 'checkout', to check out sources into that
-directory, 'host-libraries', to build libraries required by the
-toolchain, 'compilers', to build cross-compilers for various
-configurations, or 'glibcs', to build glibc for various configurations
-and run the compilation parts of the testsuite. Subsequent arguments
-name the versions of components to check out (<component>-<version),
-for 'checkout', or, for actions other than 'checkout', name
-configurations for which compilers or glibc are to be built.
+directory, 'bot-cycle', to run a series of checkout and build steps,
+'host-libraries', to build libraries required by the toolchain,
+'compilers', to build cross-compilers for various configurations, or
+'glibcs', to build glibc for various configurations and run the
+compilation parts of the testsuite. Subsequent arguments name the
+versions of components to check out (<component>-<version), for
+'checkout', or, for actions other than 'checkout' and 'bot-cycle',
+name configurations for which compilers or glibc are to be built.
+
"""
import argparse
import datetime
+import email.mime.text
+import email.utils
import json
import os
import re
import shutil
+import smtplib
import stat
import subprocess
import sys
@@ -55,6 +60,7 @@ class Context(object):
self.srcdir = os.path.join(topdir, 'src')
self.versions_json = os.path.join(self.srcdir, 'versions.json')
self.build_state_json = os.path.join(topdir, 'build-state.json')
+ self.bot_config_json = os.path.join(topdir, 'bot-config.json')
self.installdir = os.path.join(topdir, 'install')
self.host_libraries_installdir = os.path.join(self.installdir,
'host-libraries')
@@ -392,6 +398,12 @@ class Context(object):
if action == 'checkout':
self.checkout(configs)
return
+ if action == 'bot-cycle':
+ if configs:
+ print('error: configurations specified for bot-cycle')
+ exit(1)
+ self.bot_cycle()
+ return
if action == 'host-libraries' and configs:
print('error: configurations specified for host-libraries')
exit(1)
@@ -860,6 +872,146 @@ class Context(object):
new_passes)
self.store_build_state_json()
+ def load_bot_config_json(self):
+ """Load bot configuration."""
+ with open(self.bot_config_json, 'r') as f:
+ self.bot_config = json.load(f)
+
+ def part_build_old(self, action, delay):
+ """Return whether the last build for a given action was at least a
+ given number of seconds ago, or does not have a time recorded."""
+ old_time_str = self.build_state[action]['build-time']
+ if not old_time_str:
+ return True
+ old_time = datetime.datetime.strptime(old_time_str,
+ '%Y-%m-%d %H:%M:%S')
+ new_time = datetime.datetime.utcnow()
+ delta = new_time - old_time
+ return delta.total_seconds() >= delay
+
+ def bot_cycle(self):
+ """Run a single round of checkout and builds."""
+ print('Bot cycle starting %s.' % str(datetime.datetime.utcnow()))
+ self.load_bot_config_json()
+ actions = ('host-libraries', 'compilers', 'glibcs')
+ self.bot_run_self(['--replace-sources'], 'checkout')
+ self.load_versions_json()
+ if self.get_script_text() != self.script_text:
+ print('Script changed, re-execing.')
+ # On script change, all parts of the build should be rerun.
+ for a in actions:
+ self.clear_last_build_state(a)
+ self.exec_self()
+ check_components = {'host-libraries': ('gmp', 'mpfr', 'mpc'),
+ 'compilers': ('binutils', 'gcc', 'glibc', 'linux'),
+ 'glibcs': ('glibc',)}
+ must_build = {}
+ for a in actions:
+ build_vers = self.build_state[a]['build-versions']
+ must_build[a] = False
+ if not self.build_state[a]['build-time']:
+ must_build[a] = True
+ old_vers = {}
+ new_vers = {}
+ for c in check_components[a]:
+ if c in build_vers:
+ old_vers[c] = build_vers[c]
+ new_vers[c] = {'version': self.versions[c]['version'],
+ 'revision': self.versions[c]['revision']}
+ if new_vers == old_vers:
+ print('Versions for %s unchanged.' % a)
+ else:
+ print('Versions changed or rebuild forced for %s.' % a)
+ if a == 'compilers' and not self.part_build_old(
+ a, self.bot_config['compilers-rebuild-delay']):
+ print('Not requiring rebuild of compilers this soon.')
+ else:
+ must_build[a] = True
+ if must_build['host-libraries']:
+ must_build['compilers'] = True
+ if must_build['compilers']:
+ must_build['glibcs'] = True
+ for a in actions:
+ if must_build[a]:
+ print('Must rebuild %s.' % a)
+ self.clear_last_build_state(a)
+ else:
+ print('No need to rebuild %s.' % a)
+ for a in actions:
+ if must_build[a]:
+ build_time = datetime.datetime.utcnow()
+ print('Rebuilding %s at %s.' % (a, str(build_time)))
+ self.bot_run_self([], a)
+ self.load_build_state_json()
+ self.bot_build_mail(a, build_time)
+ print('Bot cycle done at %s.' % str(datetime.datetime.utcnow()))
+
+ def bot_build_mail(self, action, build_time):
+ """Send email with the results of a build."""
+ build_time = build_time.replace(microsecond=0)
+ subject = (self.bot_config['email-subject'] %
+ {'action': action,
+ 'build-time': str(build_time)})
+ results = self.build_state[action]['build-results']
+ changes = self.build_state[action]['result-changes']
+ ever_passed = set(self.build_state[action]['ever-passed'])
+ versions = self.build_state[action]['build-versions']
+ new_regressions = {k for k in changes if changes[k] == 'PASS -> FAIL'}
+ all_regressions = {k for k in ever_passed if results[k] == 'FAIL'}
+ all_fails = {k for k in results if results[k] == 'FAIL'}
+ if new_regressions:
+ new_reg_list = sorted(['FAIL: %s' % k for k in new_regressions])
+ new_reg_text = ('New regressions:\n\n%s\n\n' %
+ '\n'.join(new_reg_list))
+ else:
+ new_reg_text = ''
+ if all_regressions:
+ all_reg_list = sorted(['FAIL: %s' % k for k in all_regressions])
+ all_reg_text = ('All regressions:\n\n%s\n\n' %
+ '\n'.join(all_reg_list))
+ else:
+ all_reg_text = ''
+ if all_fails:
+ all_fail_list = sorted(['FAIL: %s' % k for k in all_fails])
+ all_fail_text = ('All failures:\n\n%s\n\n' %
+ '\n'.join(all_fail_list))
+ else:
+ all_fail_text = ''
+ if changes:
+ changes_list = sorted(changes.keys())
+ changes_list = ['%s: %s' % (changes[k], k) for k in changes_list]
+ changes_text = ('All changed results:\n\n%s\n\n' %
+ '\n'.join(changes_list))
+ else:
+ changes_text = ''
+ results_text = (new_reg_text + all_reg_text + all_fail_text +
+ changes_text)
+ if not results_text:
+ results_text = 'Clean build with unchanged results.\n\n'
+ versions_list = sorted(versions.keys())
+ versions_list = ['%s: %s (%s)' % (k, versions[k]['version'],
+ versions[k]['revision'])
+ for k in versions_list]
+ versions_text = ('Component versions for this build:\n\n%s\n' %
+ '\n'.join(versions_list))
+ body_text = results_text + versions_text
+ msg = email.mime.text.MIMEText(body_text)
+ msg['Subject'] = subject
+ msg['From'] = self.bot_config['email-from']
+ msg['To'] = self.bot_config['email-to']
+ msg['Message-ID'] = email.utils.make_msgid()
+ msg['Date'] = email.utils.format_datetime(datetime.datetime.utcnow())
+ with smtplib.SMTP(self.bot_config['email-server']) as s:
+ s.send_message(msg)
+
+ def bot_run_self(self, opts, action):
+ """Run a copy of this script with given options."""
+ cmd = [sys.executable, sys.argv[0], '--keep=none',
+ '-j%d' % self.parallelism]
+ cmd.extend(opts)
+ cmd.extend([self.topdir, action])
+ subprocess.run(cmd, check=True)
+
class Config(object):
"""A configuration for building a compiler and associated libraries."""
@@ -1312,8 +1464,8 @@ def get_parser():
help='Toplevel working directory')
parser.add_argument('action',
help='What to do',
- choices=('checkout', 'host-libraries', 'compilers',
- 'glibcs'))
+ choices=('checkout', 'bot-cycle', 'host-libraries',
+ 'compilers', 'glibcs'))
parser.add_argument('configs',
help='Versions to check out or configurations to build',
nargs='*')