def _load_ir(self, aconf: Config, fetcher: ResourceFetcher,
secret_reader: Callable[['IRTLSContext', str, str],
SavedSecret], snapshot: str) -> None:
aconf.load_all(fetcher.sorted())
aconf_path = os.path.join(app.snapshot_path,
"aconf-%s.json" % snapshot)
open(aconf_path, "w").write(aconf.as_json())
ir = IR(aconf, secret_reader=secret_reader)
ir_path = os.path.join(app.snapshot_path, "ir-%s.json" % snapshot)
open(ir_path, "w").write(ir.as_json())
check_scout(app, "update", ir)
econf = EnvoyConfig.generate(ir, "V2")
diag = Diagnostics(ir, econf)
bootstrap_config, ads_config = econf.split_config()
if not self.validate_envoy_config(config=ads_config):
self.logger.info(
"no updates were performed due to invalid envoy configuration, continuing with current configuration..."
)
return
self.logger.info("saving Envoy configuration for snapshot %s" %
snapshot)
with open(app.bootstrap_path, "w") as output:
output.write(json.dumps(bootstrap_config, sort_keys=True,
indent=4))
with open(app.ads_path, "w") as output:
output.write(json.dumps(ads_config, sort_keys=True, indent=4))
app.aconf = aconf
app.ir = ir
app.econf = econf
app.diag = diag
if app.kick:
self.logger.info("running '%s'" % app.kick)
os.system(app.kick)
elif app.ambex_pid != 0:
self.logger.info("notifying PID %d ambex" % app.ambex_pid)
os.kill(app.ambex_pid, signal.SIGHUP)
self.logger.info("configuration updated")
if app.health_checks and not app.stats_updater:
app.logger.info("starting Envoy status updater")
app.stats_updater = PeriodicTrigger(app.watcher.update_estats,
period=5)
def collect_errors_and_notices(request, reqid, what: str,
diag: Diagnostics) -> Dict:
loglevel = request.args.get('loglevel', None)
notice = None
if loglevel:
app.logger.debug("%s %s -- requesting loglevel %s" %
(what, reqid, loglevel))
if not app.estats.update_log_levels(time.time(), level=loglevel):
notice = {
'level': 'WARNING',
'message': "Could not update log level!"
}
# else:
# return redirect("/ambassador/v0/diag/", code=302)
# We need to grab errors and notices from diag.as_dict(), process the errors so
# they work for the HTML rendering, and post the notices to app.notices. Then we
# return the dict representation that our caller should work with.
ddict = diag.as_dict()
# app.logger.debug("ddict %s" % json.dumps(ddict, indent=4, sort_keys=True))
derrors = ddict.pop('errors', {})
errors = []
for err_key, err_list in derrors.items():
if err_key == "-global-":
err_key = ""
for err in err_list:
errors.append((err_key, err['error']))
dnotices = ddict.pop('notices', {})
# Make sure that anything about the loglevel gets folded into this set.
if notice:
app.notices.prepend(notice)
for notice_key, notice_list in dnotices.items():
for notice in notice_list:
app.notices.post({
'level': 'NOTICE',
'message': "%s: %s" % (notice_key, notice)
})
ddict['errors'] = errors
return ddict
def show_overview(reqid=None):
app.logger.debug("OV %s - showing overview" % reqid)
aconf = get_aconf(app)
ir = IR(aconf, secret_reader=app.scc.secret_reader)
check_scout(app, "overview", ir)
econf = EnvoyConfig.generate(ir, "V2")
diag = Diagnostics(ir, econf)
if app.verbose:
app.logger.debug("OV %s: DIAG" % reqid)
app.logger.debug("%s" % json.dumps(diag.as_dict(), sort_keys=True, indent=4))
ov = diag.overview(request, app.estats)
if app.verbose:
app.logger.debug("OV %s: OV" % reqid)
app.logger.debug("%s" % json.dumps(ov, sort_keys=True, indent=4))
app.logger.debug("OV %s: collecting errors" % reqid)
ddict = collect_errors_and_notices(request, reqid, "overview", diag)
tvars = dict(system=system_info(),
envoy_status=envoy_status(app.estats),
loginfo=app.estats.loginfo,
notices=app.notices.notices,
**ov, **ddict)
if request.args.get('json', None):
key = request.args.get('filter', None)
if key:
return jsonify(tvars.get(key, None))
else:
return jsonify(tvars)
else:
return render_template("overview.html", **tvars)
def show_intermediate(source=None, reqid=None):
app.logger.debug("SRC %s - getting intermediate for '%s'" % (reqid, source))
aconf = get_aconf(app)
ir = IR(aconf, secret_reader=app.scc.secret_reader)
check_scout(app, "detail: %s" % source, ir)
econf = EnvoyConfig.generate(ir, "V2")
diag = Diagnostics(ir, econf)
method = request.args.get('method', None)
resource = request.args.get('resource', None)
result = diag.lookup(request, source, app.estats)
if app.verbose:
app.logger.debug("RESULT %s" % json.dumps(result, sort_keys=True, indent=4))
ddict = collect_errors_and_notices(request, reqid, "detail %s" % source, diag)
tvars = dict(system=system_info(),
envoy_status=envoy_status(app.estats),
loginfo=app.estats.loginfo,
notices=app.notices.notices,
method=method, resource=resource,
**result, **ddict)
if request.args.get('json', None):
key = request.args.get('filter', None)
if key:
return jsonify(tvars.get(key, None))
else:
return jsonify(tvars)
else:
return render_template("diag.html", **tvars)
def load_config(self, url):
snapshot = url.split('/')[-1]
aconf_path = os.path.join(app.config_dir_prefix,
"snapshot-%s.yaml" % snapshot)
ir_path = os.path.join(app.config_dir_prefix, "ir-%s.json" % snapshot)
self.logger.info("copying configuration from %s to %s" %
(url, aconf_path))
saved = save_url_contents(self.logger, "%s/services" % url, aconf_path)
if saved:
scc = SecretSaver(app.logger, url, app.config_dir_prefix)
aconf = Config()
# Yeah yeah yeah. It's not really a directory. Whatever.
aconf.load_from_directory(aconf_path, k8s=app.k8s, recurse=True)
ir = IR(aconf, secret_reader=scc.url_reader)
open(ir_path, "w").write(ir.as_json())
check_scout(app, "update", ir)
econf = EnvoyConfig.generate(ir, "V2")
diag = Diagnostics(ir, econf)
bootstrap_config, ads_config = econf.split_config()
self.logger.info("saving Envoy configuration for snapshot %s" %
snapshot)
with open(app.bootstrap_path, "w") as output:
output.write(
json.dumps(bootstrap_config, sort_keys=True, indent=4))
with open(app.ads_path, "w") as output:
output.write(json.dumps(ads_config, sort_keys=True, indent=4))
app.aconf = aconf
app.ir = ir
app.econf = econf
app.diag = diag
if app.ambex_pid != 0:
self.logger.info("notifying PID %d ambex" % app.ambex_pid)
os.kill(app.ambex_pid, signal.SIGHUP)
self.logger.info("configuration updated")
def _load_ir(self, rqueue: queue.Queue, aconf: Config,
fetcher: ResourceFetcher, secret_handler: SecretHandler,
snapshot: str) -> None:
aconf.load_all(fetcher.sorted())
aconf_path = os.path.join(app.snapshot_path, "aconf-tmp.json")
open(aconf_path, "w").write(aconf.as_json())
ir = IR(aconf, secret_handler=secret_handler)
ir_path = os.path.join(app.snapshot_path, "ir-tmp.json")
open(ir_path, "w").write(ir.as_json())
econf = EnvoyConfig.generate(ir, "V2")
diag = Diagnostics(ir, econf)
bootstrap_config, ads_config = econf.split_config()
if not self.validate_envoy_config(config=ads_config):
self.logger.info(
"no updates were performed due to invalid envoy configuration, continuing with current configuration..."
)
app.check_scout("attempted bad update")
self._respond(
rqueue, 500,
'ignoring: invalid Envoy configuration in snapshot %s' %
snapshot)
return
snapcount = int(os.environ.get('AMBASSADOR_SNAPSHOT_COUNT', "4"))
snaplist: List[Tuple[str, str]] = []
if snapcount > 0:
self.logger.debug("rotating snapshots for snapshot %s" % snapshot)
# If snapcount is 4, this range statement becomes range(-4, -1)
# which gives [ -4, -3, -2 ], which the list comprehension turns
# into [ ( "-3", "-4" ), ( "-2", "-3" ), ( "-1", "-2" ) ]...
# which is the list of suffixes to rename to rotate the snapshots.
snaplist += [(str(x + 1), str(x))
for x in range(-1 * snapcount, -1)]
# After dealing with that, we need to rotate the current file into -1.
snaplist.append(('', '-1'))
# Whether or not we do any rotation, we need to cycle in the '-tmp' file.
snaplist.append(('-tmp', ''))
for from_suffix, to_suffix in snaplist:
for fmt in [
"aconf{}.json", "econf{}.json", "ir{}.json",
"snapshot{}.yaml"
]:
from_path = os.path.join(app.snapshot_path,
fmt.format(from_suffix))
to_path = os.path.join(app.snapshot_path,
fmt.format(to_suffix))
try:
self.logger.debug("rotate: %s -> %s" %
(from_path, to_path))
os.rename(from_path, to_path)
except IOError as e:
self.logger.debug("skip %s -> %s: %s" %
(from_path, to_path, e))
pass
except Exception as e:
self.logger.debug("could not rename %s -> %s: %s" %
(from_path, to_path, e))
self.logger.info("saving Envoy configuration for snapshot %s" %
snapshot)
with open(app.bootstrap_path, "w") as output:
output.write(json.dumps(bootstrap_config, sort_keys=True,
indent=4))
with open(app.ads_path, "w") as output:
output.write(json.dumps(ads_config, sort_keys=True, indent=4))
app.aconf = aconf
app.ir = ir
app.econf = econf
app.diag = diag
if app.kick:
self.logger.info("running '%s'" % app.kick)
os.system(app.kick)
elif app.ambex_pid != 0:
self.logger.info("notifying PID %d ambex" % app.ambex_pid)
os.kill(app.ambex_pid, signal.SIGHUP)
self.logger.info("configuration updated from snapshot %s" % snapshot)
self._respond(rqueue, 200,
'configuration updated from snapshot %s' % snapshot)
if app.health_checks and not app.stats_updater:
app.logger.info("starting Envoy status updater")
app.stats_updater = PeriodicTrigger(app.watcher.update_estats,
period=5)
# app.scout_updater = PeriodicTrigger(lambda: app.watcher.check_scout("30s"), period=30)
# Don't use app.check_scout; it will deadlock. And don't bother doing the Scout
# update until after we've taken care of Envoy.
self.check_scout("update")
def main(k8s_yaml_paths: List[str],
debug: bool,
force_pod_labels: bool,
update: bool,
source: List[str],
labels: List[str],
namespace: Optional[str],
watch: str,
include_ir: bool,
include_aconf: bool,
diff_path: Optional[str] = None,
kat_name: Optional[str] = None) -> None:
loglevel = logging.DEBUG if debug else logging.INFO
logging.basicConfig(
level=loglevel,
format="%(asctime)s mockery %(levelname)s: %(message)s",
datefmt="%Y-%m-%d %H:%M:%S")
logger = logging.getLogger('mockery')
logger.debug(f"reading from {k8s_yaml_paths}")
if not source:
source = [
"Host", "service", "ingresses", "AuthService", "LogService",
"Mapping", "Module", "RateLimitService", "TCPMapping",
"TLSContext", "TracingService", "ConsulResolver",
"KubernetesEndpointResolver", "KubernetesServiceResolver"
]
if namespace:
os.environ['AMBASSADOR_NAMESPACE'] = namespace
# Make labels a list, instead of a tuple.
labels = list(labels)
labels_to_force = {l: True for l in labels or []}
if kat_name:
logger.debug(f"KAT name {kat_name}")
# First set up some labels to force.
labels_to_force["scope=AmbassadorTest"] = True
labels_to_force[f"service={kat_name}"] = True
kat_amb_id_label = f"kat-ambassador-id={kat_name}"
if kat_amb_id_label not in labels_to_force:
labels_to_force[kat_amb_id_label] = True
labels.append(kat_amb_id_label)
os.environ['AMBASSADOR_ID'] = kat_name
# Forcibly override the cached ambassador_id.
Config.ambassador_id = kat_name
logger.debug(f"namespace {namespace or '*'}")
logger.debug(f"labels to watch {', '.join(labels)}")
logger.debug(
f"labels to force {', '.join(sorted(labels_to_force.keys()))}")
logger.debug(f"watch hook {watch}")
logger.debug(f"sources {', '.join(source)}")
for key in sorted(os.environ.keys()):
if key.startswith('AMBASSADOR'):
logger.debug(f"${key}={os.environ[key]}")
if force_pod_labels:
try:
os.makedirs("/tmp/ambassador-pod-info")
except OSError as e:
if e.errno != errno.EEXIST:
raise
with open("/tmp/ambassador-pod-info/labels", "w",
encoding="utf-8") as outfile:
for l in labels_to_force:
outfile.write(l)
outfile.write("\n")
# Pull in the YAML.
input_yaml = ''.join([open(x, "r").read() for x in k8s_yaml_paths])
manifest = parse_yaml(input_yaml)
w = Mockery(logger, debug, source, ",".join(labels), namespace, watch)
iteration = 0
while True:
iteration += 1
if iteration > 10:
print(f"!!!! Not stable after 10 iterations, failing")
logger.error("Not stable after 10 iterations, failing")
sys.exit(1)
logger.info(f"======== START ITERATION {iteration}")
w.load(manifest)
logger.info(f"WATT_K8S: {w.snapshot}")
hook_ok, any_changes = w.run_hook()
if not hook_ok:
raise Exception("hook failed")
if any_changes:
logger.info(
f"======== END ITERATION {iteration}: watches changed!")
else:
logger.info(f"======== END ITERATION {iteration}: stable!")
break
# Once here, we should be good to go.
try:
os.makedirs("/tmp/ambassador/snapshots")
except OSError as e:
if e.errno != errno.EEXIST:
raise
scc = MockSecretHandler(logger, "mockery", "/tmp/ambassador/snapshots",
f"v{iteration}")
aconf = Config()
logger.debug(f"Config.ambassador_id {Config.ambassador_id}")
logger.debug(f"Config.ambassador_namespace {Config.ambassador_namespace}")
logger.info(f"STABLE WATT_K8S: {w.snapshot}")
fetcher = ResourceFetcher(logger, aconf)
fetcher.parse_watt(w.snapshot)
aconf.load_all(fetcher.sorted())
open("/tmp/ambassador/snapshots/aconf.json", "w",
encoding="utf-8").write(aconf.as_json())
ir = IR(aconf, secret_handler=scc)
open("/tmp/ambassador/snapshots/ir.json", "w",
encoding="utf-8").write(ir.as_json())
econf = EnvoyConfig.generate(ir, "V2")
bootstrap_config, ads_config, clustermap = econf.split_config()
ads_config.pop('@type', None)
with open("/tmp/ambassador/snapshots/econf.json", "w",
encoding="utf-8") as outfile:
outfile.write(dump_json(ads_config, pretty=True))
with open("/tmp/ambassador/snapshots/bootstrap.json",
"w",
encoding="utf-8") as outfile:
outfile.write(dump_json(bootstrap_config, pretty=True))
diag = Diagnostics(ir, econf)
with open("/tmp/ambassador/snapshots/diag.json", "w",
encoding="utf-8") as outfile:
outfile.write(dump_json(diag.as_dict(), pretty=True))
if diff_path:
diffs = False
pairs_to_check = [(os.path.join(diff_path, 'snapshots', 'econf.json'),
'/tmp/ambassador/snapshots/econf.json'),
(os.path.join(diff_path, 'bootstrap-ads.json'),
'/tmp/ambassador/snapshots/bootstrap.json')]
if include_ir:
pairs_to_check.append(
(os.path.join(diff_path, 'snapshots',
'ir.json'), '/tmp/ambassador/snapshots/ir.json'))
if include_aconf:
pairs_to_check.append((os.path.join(diff_path, 'snapshots',
'aconf.json'),
'/tmp/ambassador/snapshots/aconf.json'))
for gold_path, check_path in pairs_to_check:
if update:
logger.info(f"mv {check_path} {gold_path}")
shutil.move(check_path, gold_path)
elif not filecmp.cmp(gold_path, check_path):
diffs = True
gold_lines = open(gold_path, "r", encoding="utf-8").readlines()
check_lines = open(check_path, "r",
encoding="utf-8").readlines()
for line in difflib.unified_diff(gold_lines,
check_lines,
fromfile=gold_path,
tofile=check_path):
sys.stdout.write(line)
if diffs:
sys.exit(1)
def _load_ir(self, rqueue: queue.Queue, aconf: Config,
fetcher: ResourceFetcher, secret_handler: SecretHandler,
snapshot: str) -> None:
aconf.load_all(fetcher.sorted())
aconf_path = os.path.join(app.snapshot_path, "aconf-tmp.json")
open(aconf_path, "w").write(aconf.as_json())
ir = IR(aconf, secret_handler=secret_handler)
ir_path = os.path.join(app.snapshot_path, "ir-tmp.json")
open(ir_path, "w").write(ir.as_json())
econf = EnvoyConfig.generate(ir, "V2")
diag = Diagnostics(ir, econf)
bootstrap_config, ads_config = econf.split_config()
if not self.validate_envoy_config(config=ads_config,
retries=self.app.validation_retries):
self.logger.info(
"no updates were performed due to invalid envoy configuration, continuing with current configuration..."
)
# Don't use app.check_scout; it will deadlock.
self.check_scout("attempted bad update")
self._respond(
rqueue, 500,
'ignoring: invalid Envoy configuration in snapshot %s' %
snapshot)
return
snapcount = int(os.environ.get('AMBASSADOR_SNAPSHOT_COUNT', "4"))
snaplist: List[Tuple[str, str]] = []
if snapcount > 0:
self.logger.debug("rotating snapshots for snapshot %s" % snapshot)
# If snapcount is 4, this range statement becomes range(-4, -1)
# which gives [ -4, -3, -2 ], which the list comprehension turns
# into [ ( "-3", "-4" ), ( "-2", "-3" ), ( "-1", "-2" ) ]...
# which is the list of suffixes to rename to rotate the snapshots.
snaplist += [(str(x + 1), str(x))
for x in range(-1 * snapcount, -1)]
# After dealing with that, we need to rotate the current file into -1.
snaplist.append(('', '-1'))
# Whether or not we do any rotation, we need to cycle in the '-tmp' file.
snaplist.append(('-tmp', ''))
for from_suffix, to_suffix in snaplist:
for fmt in [
"aconf{}.json", "econf{}.json", "ir{}.json",
"snapshot{}.yaml"
]:
from_path = os.path.join(app.snapshot_path,
fmt.format(from_suffix))
to_path = os.path.join(app.snapshot_path,
fmt.format(to_suffix))
try:
self.logger.debug("rotate: %s -> %s" %
(from_path, to_path))
os.rename(from_path, to_path)
except IOError as e:
self.logger.debug("skip %s -> %s: %s" %
(from_path, to_path, e))
pass
except Exception as e:
self.logger.debug("could not rename %s -> %s: %s" %
(from_path, to_path, e))
app.latest_snapshot = snapshot
self.logger.info("saving Envoy configuration for snapshot %s" %
snapshot)
with open(app.bootstrap_path, "w") as output:
output.write(json.dumps(bootstrap_config, sort_keys=True,
indent=4))
with open(app.ads_path, "w") as output:
output.write(json.dumps(ads_config, sort_keys=True, indent=4))
app.aconf = aconf
app.ir = ir
app.econf = econf
app.diag = diag
if app.kick:
self.logger.info("running '%s'" % app.kick)
os.system(app.kick)
elif app.ambex_pid != 0:
self.logger.info("notifying PID %d ambex" % app.ambex_pid)
os.kill(app.ambex_pid, signal.SIGHUP)
if app.ir.k8s_status_updates:
for name in app.ir.k8s_status_updates.keys():
kind, update = app.ir.k8s_status_updates[name]
self.logger.info(
f"doing K8s status update for {kind} {name}...")
text = json.dumps(update)
with open(f'/tmp/kstat-{kind}-{name}', 'w') as out:
out.write(text)
cmd = [
'/ambassador/kubestatus', kind, '-f',
f'metadata.name={name}', '-u', '/dev/fd/0'
]
self.logger.info(f"Running command: {cmd}")
try:
rc = subprocess.run(cmd,
input=text.encode('utf-8'),
timeout=5)
self.logger.info(f'...update finished, rc {rc.returncode}')
except subprocess.TimeoutExpired as e:
self.logger.error(f'...update timed out, {e}')
self.logger.info("configuration updated from snapshot %s" % snapshot)
self._respond(rqueue, 200,
'configuration updated from snapshot %s' % snapshot)
if app.health_checks and not app.stats_updater:
app.logger.info("starting Envoy status updater")
app.stats_updater = PeriodicTrigger(app.watcher.update_estats,
period=5)
# Check our environment...
self.check_environment()
self.chime()
def dump(config_dir_path: Parameter.REQUIRED,
*,
secret_dir_path=None,
watt=False,
debug=False,
debug_scout=False,
k8s=False,
recurse=False,
stats=False,
nopretty=False,
everything=False,
aconf=False,
ir=False,
v2=False,
v3=False,
diag=False,
features=False,
profile=False):
"""
Dump various forms of an Ambassador configuration for debugging
Use --aconf, --ir, and --envoy to control what gets dumped. If none are requested, the IR
will be dumped.
:param config_dir_path: Configuration directory to scan for Ambassador YAML files
:param secret_dir_path: Directory into which to save secrets
:param watt: If set, input must be a WATT snapshot
:param debug: If set, generate debugging output
:param debug_scout: If set, generate debugging output
:param k8s: If set, assume configuration files are annotated K8s manifests
:param recurse: If set, recurse into directories below config_dir_path
:param stats: If set, dump statistics to stderr
:param nopretty: If set, do not pretty print the dumped JSON
:param aconf: If set, dump the Ambassador config
:param ir: If set, dump the IR
:param v2: If set, dump the Envoy V2 config
:param v3: If set, dump the Envoy V3 config
:param diag: If set, dump the Diagnostics overview
:param everything: If set, dump everything
:param features: If set, dump the feature set
:param profile: If set, profile with the cProfile module
"""
if not secret_dir_path:
secret_dir_path = "/tmp/cli-secrets"
if not os.path.isdir(secret_dir_path):
secret_dir_path = os.path.dirname(secret_dir_path)
if debug:
logger.setLevel(logging.DEBUG)
if debug_scout:
logging.getLogger('ambassador.scout').setLevel(logging.DEBUG)
if everything:
aconf = True
ir = True
v2 = True
v3 = True
diag = True
features = True
elif not (aconf or ir or v2 or v3 or diag or features):
aconf = True
ir = True
v2 = True
v3 = False
diag = False
features = False
dump_aconf = aconf
dump_ir = ir
dump_v2 = v2
dump_v3 = v3
dump_diag = diag
dump_features = features
od = {}
diagconfig: Optional[EnvoyConfig] = None
_profile: Optional[cProfile.Profile] = None
_rc = 0
if profile:
_profile = cProfile.Profile()
_profile.enable()
try:
total_timer = Timer("total")
total_timer.start()
fetch_timer = Timer("fetch resources")
with fetch_timer:
aconf = Config()
fetcher = ResourceFetcher(logger, aconf)
if watt:
fetcher.parse_watt(open(config_dir_path, "r").read())
else:
fetcher.load_from_filesystem(config_dir_path,
k8s=k8s,
recurse=True)
load_timer = Timer("load fetched resources")
with load_timer:
aconf.load_all(fetcher.sorted())
# aconf.post_error("Error from string, boo yah")
# aconf.post_error(RichStatus.fromError("Error from RichStatus"))
irgen_timer = Timer("ir generation")
with irgen_timer:
secret_handler = NullSecretHandler(logger, config_dir_path,
secret_dir_path, "0")
ir = IR(aconf,
file_checker=file_checker,
secret_handler=secret_handler)
aconf_timer = Timer("aconf")
with aconf_timer:
if dump_aconf:
od['aconf'] = aconf.as_dict()
ir_timer = Timer("ir")
with ir_timer:
if dump_ir:
od['ir'] = ir.as_dict()
v2_timer = Timer("v2")
with v2_timer:
if dump_v2:
v2config = V2Config(ir)
diagconfig = v2config
od['v2'] = v2config.as_dict()
v3_timer = Timer("v3")
with v3_timer:
if dump_v3:
v3config = V3Config(ir)
diagconfig = v3config
od['v3'] = v3config.as_dict()
diag_timer = Timer("diag")
with diag_timer:
if dump_diag:
if not diagconfig:
diagconfig = V2Config(ir)
diagconfigv3 = V3Config(ir)
econf = typecast(EnvoyConfig, diagconfig)
econfv3 = typecast(EnvoyConfig, diagconfigv3)
diag = Diagnostics(ir, econf)
diagv3 = Diagnostics(ir, econfv3)
od['diag'] = diag.as_dict()
od['elements'] = econf.elements
od['diagv3'] = diagv3.as_dict()
od['elementsv3'] = econfv3.elements
features_timer = Timer("features")
with features_timer:
if dump_features:
od['features'] = ir.features()
# scout = Scout()
# scout_args = {}
#
# if ir and not os.environ.get("AMBASSADOR_DISABLE_FEATURES", None):
# scout_args["features"] = ir.features()
#
# result = scout.report(action="dump", mode="cli", **scout_args)
# show_notices(result)
dump_timer = Timer("dump JSON")
with dump_timer:
js = dump_json(od, pretty=not nopretty)
jslen = len(js)
write_timer = Timer("write JSON")
with write_timer:
sys.stdout.write(js)
sys.stdout.write("\n")
total_timer.stop()
route_count = 0
vhost_count = 0
filter_chain_count = 0
filter_count = 0
apiversion = 'v2' if v2 else 'v3'
if apiversion in od:
for listener in od[apiversion]['static_resources']['listeners']:
for fc in listener['filter_chains']:
filter_chain_count += 1
for f in fc['filters']:
filter_count += 1
for vh in f['typed_config']['route_config'][
'virtual_hosts']:
vhost_count += 1
route_count += len(vh['routes'])
if stats:
sys.stderr.write("STATS:\n")
sys.stderr.write(" config bytes: %d\n" % jslen)
sys.stderr.write(" vhosts: %d\n" % vhost_count)
sys.stderr.write(" filter chains: %d\n" % filter_chain_count)
sys.stderr.write(" filters: %d\n" % filter_count)
sys.stderr.write(" routes: %d\n" % route_count)
sys.stderr.write(" routes/vhosts: %.3f\n" %
float(float(route_count) / float(vhost_count)))
sys.stderr.write("TIMERS:\n")
sys.stderr.write(" fetch resources: %.3fs\n" %
fetch_timer.average)
sys.stderr.write(" load resources: %.3fs\n" %
load_timer.average)
sys.stderr.write(" ir generation: %.3fs\n" %
irgen_timer.average)
sys.stderr.write(" aconf: %.3fs\n" %
aconf_timer.average)
sys.stderr.write(" envoy v2: %.3fs\n" % v2_timer.average)
sys.stderr.write(" diag: %.3fs\n" %
diag_timer.average)
sys.stderr.write(" features: %.3fs\n" %
features_timer.average)
sys.stderr.write(" dump json: %.3fs\n" %
dump_timer.average)
sys.stderr.write(" write json: %.3fs\n" %
write_timer.average)
sys.stderr.write(" ----------------------\n")
sys.stderr.write(" total: %.3fs\n" % total_timer.average)
except Exception as e:
handle_exception("EXCEPTION from dump",
e,
config_dir_path=config_dir_path)
_rc = 1
if _profile:
_profile.disable()
_profile.dump_stats("ambassador.profile")
sys.exit(_rc)
def _load_ir(self, rqueue: queue.Queue, aconf: Config,
fetcher: ResourceFetcher,
secret_reader: Callable[['IRTLSContext', str, str],
SavedSecret], snapshot: str) -> None:
aconf.load_all(fetcher.sorted())
aconf_path = os.path.join(app.snapshot_path, "aconf-tmp.json")
open(aconf_path, "w").write(aconf.as_json())
ir = IR(aconf, secret_reader=secret_reader)
ir_path = os.path.join(app.snapshot_path, "ir-tmp.json")
open(ir_path, "w").write(ir.as_json())
econf = EnvoyConfig.generate(ir, "V2")
diag = Diagnostics(ir, econf)
bootstrap_config, ads_config = econf.split_config()
if not self.validate_envoy_config(config=ads_config):
self.logger.info(
"no updates were performed due to invalid envoy configuration, continuing with current configuration..."
)
app.check_scout("attempted bad update")
self._respond(
rqueue, 500,
'ignoring: invalid Envoy configuration in snapshot %s' %
snapshot)
return
self.logger.info("rotating snapshots for snapshot %s" % snapshot)
for from_suffix, to_suffix in [('-3', '-4'), ('-2', '-3'),
('-1', '-2'), ('', '-1'), ('-tmp', '')]:
for fmt in [
"aconf{}.json", "econf{}.json", "ir{}.json",
"snapshot{}.yaml"
]:
try:
from_path = os.path.join(app.snapshot_path,
fmt.format(from_suffix))
to_path = os.path.join(app.snapshot_path,
fmt.format(to_suffix))
self.logger.debug("rotate: %s -> %s" %
(from_path, to_path))
os.rename(from_path, to_path)
except IOError as e:
self.logger.debug("skip %s -> %s: %s" %
(from_path, to_path, e))
except Exception as e:
self.logger.debug("could not rename %s -> %s: %s" %
(from_path, to_path, e))
self.logger.info("saving Envoy configuration for snapshot %s" %
snapshot)
with open(app.bootstrap_path, "w") as output:
output.write(json.dumps(bootstrap_config, sort_keys=True,
indent=4))
with open(app.ads_path, "w") as output:
output.write(json.dumps(ads_config, sort_keys=True, indent=4))
app.aconf = aconf
app.ir = ir
app.econf = econf
app.diag = diag
if app.kick:
self.logger.info("running '%s'" % app.kick)
os.system(app.kick)
elif app.ambex_pid != 0:
self.logger.info("notifying PID %d ambex" % app.ambex_pid)
os.kill(app.ambex_pid, signal.SIGHUP)
self.logger.info("configuration updated from snapshot %s" % snapshot)
self._respond(rqueue, 200,
'configuration updated from snapshot %s' % snapshot)
if app.health_checks and not app.stats_updater:
app.logger.info("starting Envoy status updater")
app.stats_updater = PeriodicTrigger(app.watcher.update_estats,
period=5)
# Don't use app.check_scout; it will deadlock. And don't bother doing the Scout
# update until after we've taken care of Envoy.
self.check_scout("update")
def dump(config_dir_path: Parameter.REQUIRED,
*,
secret_dir_path=None,
watt=False,
debug=False,
debug_scout=False,
k8s=False,
recurse=False,
aconf=False,
ir=False,
v2=False,
diag=False,
features=False):
"""
Dump various forms of an Ambassador configuration for debugging
Use --aconf, --ir, and --envoy to control what gets dumped. If none are requested, the IR
will be dumped.
:param config_dir_path: Configuration directory to scan for Ambassador YAML files
:param secret_dir_path: Directory into which to save secrets
:param watt: If set, input must be a WATT snapshot
:param debug: If set, generate debugging output
:param debug_scout: If set, generate debugging output
:param k8s: If set, assume configuration files are annotated K8s manifests
:param recurse: If set, recurse into directories below config_dir_path
:param aconf: If set, dump the Ambassador config
:param ir: If set, dump the IR
:param v2: If set, dump the Envoy V2 config
:param diag: If set, dump the Diagnostics overview
:param features: If set, dump the feature set
"""
if not secret_dir_path:
secret_dir_path = config_dir_path
if not os.path.isdir(secret_dir_path):
secret_dir_path = os.path.dirname(secret_dir_path)
if debug:
logger.setLevel(logging.DEBUG)
if debug_scout:
logging.getLogger('ambassador.scout').setLevel(logging.DEBUG)
if not (aconf or ir or v2 or diag or features):
aconf = True
ir = True
v2 = True
diag = False
features = False
dump_aconf = aconf
dump_ir = ir
dump_v2 = v2
dump_diag = diag
dump_features = features
od = {}
diagconfig: Optional[EnvoyConfig] = None
try:
aconf = Config()
fetcher = ResourceFetcher(logger, aconf)
if watt:
fetcher.parse_watt(open(config_dir_path, "r").read())
else:
fetcher.load_from_filesystem(config_dir_path,
k8s=k8s,
recurse=True)
aconf.load_all(fetcher.sorted())
# aconf.post_error("Error from string, boo yah")
# aconf.post_error(RichStatus.fromError("Error from RichStatus"))
if dump_aconf:
od['aconf'] = aconf.as_dict()
secret_handler = NullSecretHandler(logger, config_dir_path,
secret_dir_path, "0")
ir = IR(aconf,
file_checker=file_checker,
secret_handler=secret_handler)
if dump_ir:
od['ir'] = ir.as_dict()
if dump_v2:
v2config = V2Config(ir)
diagconfig = v2config
od['v2'] = v2config.as_dict()
if dump_diag:
if not diagconfig:
diagconfig = V2Config(ir)
econf = typecast(EnvoyConfig, diagconfig)
diag = Diagnostics(ir, econf)
od['diag'] = diag.as_dict()
od['elements'] = econf.elements
if dump_features:
od['features'] = ir.features()
# scout = Scout()
# scout_args = {}
#
# if ir and not os.environ.get("AMBASSADOR_DISABLE_FEATURES", None):
# scout_args["features"] = ir.features()
#
# result = scout.report(action="dump", mode="cli", **scout_args)
# show_notices(result)
json.dump(od, sys.stdout, sort_keys=True, indent=4)
sys.stdout.write("\n")
except Exception as e:
handle_exception("EXCEPTION from dump",
e,
config_dir_path=config_dir_path)
# This is fatal.
sys.exit(1)
