def main_init(name, args):
deps = [sources.DEP_FILESYSTEM, sources.DEP_NETWORK]
if args.local:
deps = [sources.DEP_FILESYSTEM]
if not args.local:
# See doc/kernel-cmdline.txt
#
# This is used in maas datasource, in "ephemeral" (read-only root)
# environment where the instance netboots to iscsi ro root.
# and the entity that controls the pxe config has to configure
# the maas datasource.
#
# Could be used elsewhere, only works on network based (not local).
root_name = "%s.d" % (CLOUD_CONFIG)
target_fn = os.path.join(root_name, "91_kernel_cmdline_url.cfg")
util.read_write_cmdline_url(target_fn)
# Cloud-init 'init' stage is broken up into the following sub-stages
# 1. Ensure that the init object fetches its config without errors
# 2. Setup logging/output redirections with resultant config (if any)
# 3. Initialize the cloud-init filesystem
# 4. Check if we can stop early by looking for various files
# 5. Fetch the datasource
# 6. Connect to the current instance location + update the cache
# 7. Consume the userdata (handlers get activated here)
# 8. Construct the modules object
# 9. Adjust any subsequent logging/output redirections using the modules
# objects config as it may be different from init object
# 10. Run the modules for the 'init' stage
# 11. Done!
if not args.local:
w_msg = welcome_format(name)
else:
w_msg = welcome_format("%s-local" % (name))
init = stages.Init(ds_deps=deps, reporter=args.reporter)
# Stage 1
init.read_cfg(extract_fns(args))
# Stage 2
outfmt = None
errfmt = None
try:
LOG.debug("Closing stdin")
util.close_stdin()
(outfmt, errfmt) = util.fixup_output(init.cfg, name)
except Exception:
util.logexc(LOG, "Failed to setup output redirection!")
print_exc("Failed to setup output redirection!")
if args.debug:
# Reset so that all the debug handlers are closed out
LOG.debug(("Logging being reset, this logger may no"
" longer be active shortly"))
logging.resetLogging()
logging.setupLogging(init.cfg)
apply_reporting_cfg(init.cfg)
# Any log usage prior to setupLogging above did not have local user log
# config applied. We send the welcome message now, as stderr/out have
# been redirected and log now configured.
welcome(name, msg=w_msg)
# Stage 3
try:
init.initialize()
except Exception:
util.logexc(LOG, "Failed to initialize, likely bad things to come!")
# Stage 4
path_helper = init.paths
mode = sources.DSMODE_LOCAL if args.local else sources.DSMODE_NETWORK
if mode == sources.DSMODE_NETWORK:
existing = "trust"
sys.stderr.write("%s\n" % (netinfo.debug_info()))
LOG.debug(("Checking to see if files that we need already"
" exist from a previous run that would allow us"
" to stop early."))
# no-net is written by upstart cloud-init-nonet when network failed
# to come up
stop_files = [
os.path.join(path_helper.get_cpath("data"), "no-net"),
]
existing_files = []
for fn in stop_files:
if os.path.isfile(fn):
existing_files.append(fn)
if existing_files:
LOG.debug("[%s] Exiting. stop file %s existed", mode,
existing_files)
return (None, [])
else:
LOG.debug("Execution continuing, no previous run detected that"
" would allow us to stop early.")
else:
existing = "check"
if util.get_cfg_option_bool(init.cfg, 'manual_cache_clean', False):
existing = "trust"
init.purge_cache()
# Delete the non-net file as well
util.del_file(os.path.join(path_helper.get_cpath("data"), "no-net"))
# Stage 5
try:
init.fetch(existing=existing)
# if in network mode, and the datasource is local
# then work was done at that stage.
if mode == sources.DSMODE_NETWORK and init.datasource.dsmode != mode:
LOG.debug("[%s] Exiting. datasource %s in local mode", mode,
init.datasource)
return (None, [])
except sources.DataSourceNotFoundException:
# In the case of 'cloud-init init' without '--local' it is a bit
# more likely that the user would consider it failure if nothing was
# found. When using upstart it will also mentions job failure
# in console log if exit code is != 0.
if mode == sources.DSMODE_LOCAL:
LOG.debug("No local datasource found")
else:
util.logexc(LOG, ("No instance datasource found!"
" Likely bad things to come!"))
if not args.force:
init.apply_network_config(bring_up=not args.local)
LOG.debug("[%s] Exiting without datasource in local mode", mode)
if mode == sources.DSMODE_LOCAL:
return (None, [])
else:
return (None, ["No instance datasource found."])
else:
LOG.debug("[%s] barreling on in force mode without datasource",
mode)
# Stage 6
iid = init.instancify()
LOG.debug("[%s] %s will now be targeting instance id: %s. new=%s", mode,
name, iid, init.is_new_instance())
init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL))
if mode == sources.DSMODE_LOCAL:
if init.datasource.dsmode != mode:
LOG.debug("[%s] Exiting. datasource %s not in local mode.", mode,
init.datasource)
return (init.datasource, [])
else:
LOG.debug("[%s] %s is in local mode, will apply init modules now.",
mode, init.datasource)
# update fully realizes user-data (pulling in #include if necessary)
init.update()
# Stage 7
try:
# Attempt to consume the data per instance.
# This may run user-data handlers and/or perform
# url downloads and such as needed.
(ran, _results) = init.cloudify().run('consume_data',
init.consume_data,
args=[PER_INSTANCE],
freq=PER_INSTANCE)
if not ran:
# Just consume anything that is set to run per-always
# if nothing ran in the per-instance code
#
# See: https://bugs.launchpad.net/bugs/819507 for a little
# reason behind this...
init.consume_data(PER_ALWAYS)
except Exception:
util.logexc(LOG, "Consuming user data failed!")
return (init.datasource, ["Consuming user data failed!"])
apply_reporting_cfg(init.cfg)
# Stage 8 - re-read and apply relevant cloud-config to include user-data
mods = stages.Modules(init, extract_fns(args), reporter=args.reporter)
# Stage 9
try:
outfmt_orig = outfmt
errfmt_orig = errfmt
(outfmt, errfmt) = util.get_output_cfg(mods.cfg, name)
if outfmt_orig != outfmt or errfmt_orig != errfmt:
LOG.warn("Stdout, stderr changing to (%s, %s)", outfmt, errfmt)
(outfmt, errfmt) = util.fixup_output(mods.cfg, name)
except Exception:
util.logexc(LOG, "Failed to re-adjust output redirection!")
logging.setupLogging(mods.cfg)
# Stage 10
return (init.datasource, run_module_section(mods, name, name))
def main_init(name, args):
deps = [sources.DEP_FILESYSTEM, sources.DEP_NETWORK]
if args.local:
deps = [sources.DEP_FILESYSTEM]
early_logs = [
attempt_cmdline_url(
path=os.path.join(
"%s.d" % CLOUD_CONFIG, "91_kernel_cmdline_url.cfg"
),
network=not args.local,
)
]
# Cloud-init 'init' stage is broken up into the following sub-stages
# 1. Ensure that the init object fetches its config without errors
# 2. Setup logging/output redirections with resultant config (if any)
# 3. Initialize the cloud-init filesystem
# 4. Check if we can stop early by looking for various files
# 5. Fetch the datasource
# 6. Connect to the current instance location + update the cache
# 7. Consume the userdata (handlers get activated here)
# 8. Construct the modules object
# 9. Adjust any subsequent logging/output redirections using the modules
# objects config as it may be different from init object
# 10. Run the modules for the 'init' stage
# 11. Done!
if not args.local:
w_msg = welcome_format(name)
else:
w_msg = welcome_format("%s-local" % (name))
init = stages.Init(ds_deps=deps, reporter=args.reporter)
# Stage 1
init.read_cfg(extract_fns(args))
# Stage 2
outfmt = None
errfmt = None
try:
early_logs.append((logging.DEBUG, "Closing stdin."))
util.close_stdin()
(outfmt, errfmt) = util.fixup_output(init.cfg, name)
except Exception:
msg = "Failed to setup output redirection!"
util.logexc(LOG, msg)
print_exc(msg)
early_logs.append((logging.WARN, msg))
if args.debug:
# Reset so that all the debug handlers are closed out
LOG.debug(
"Logging being reset, this logger may no longer be active shortly"
)
logging.resetLogging()
logging.setupLogging(init.cfg)
apply_reporting_cfg(init.cfg)
# Any log usage prior to setupLogging above did not have local user log
# config applied. We send the welcome message now, as stderr/out have
# been redirected and log now configured.
welcome(name, msg=w_msg)
# re-play early log messages before logging was setup
for lvl, msg in early_logs:
LOG.log(lvl, msg)
# Stage 3
try:
init.initialize()
except Exception:
util.logexc(LOG, "Failed to initialize, likely bad things to come!")
# Stage 4
path_helper = init.paths
purge_cache_on_python_version_change(init)
mode = sources.DSMODE_LOCAL if args.local else sources.DSMODE_NETWORK
if mode == sources.DSMODE_NETWORK:
existing = "trust"
sys.stderr.write("%s\n" % (netinfo.debug_info()))
else:
existing = "check"
mcfg = util.get_cfg_option_bool(init.cfg, "manual_cache_clean", False)
if mcfg:
LOG.debug("manual cache clean set from config")
existing = "trust"
else:
mfile = path_helper.get_ipath_cur("manual_clean_marker")
if os.path.exists(mfile):
LOG.debug("manual cache clean found from marker: %s", mfile)
existing = "trust"
init.purge_cache()
# Stage 5
bring_up_interfaces = _should_bring_up_interfaces(init, args)
try:
init.fetch(existing=existing)
# if in network mode, and the datasource is local
# then work was done at that stage.
if mode == sources.DSMODE_NETWORK and init.datasource.dsmode != mode:
LOG.debug(
"[%s] Exiting. datasource %s in local mode",
mode,
init.datasource,
)
return (None, [])
except sources.DataSourceNotFoundException:
# In the case of 'cloud-init init' without '--local' it is a bit
# more likely that the user would consider it failure if nothing was
# found.
if mode == sources.DSMODE_LOCAL:
LOG.debug("No local datasource found")
else:
util.logexc(
LOG, "No instance datasource found! Likely bad things to come!"
)
if not args.force:
init.apply_network_config(bring_up=bring_up_interfaces)
LOG.debug("[%s] Exiting without datasource", mode)
if mode == sources.DSMODE_LOCAL:
return (None, [])
else:
return (None, ["No instance datasource found."])
else:
LOG.debug(
"[%s] barreling on in force mode without datasource", mode
)
_maybe_persist_instance_data(init)
# Stage 6
iid = init.instancify()
LOG.debug(
"[%s] %s will now be targeting instance id: %s. new=%s",
mode,
name,
iid,
init.is_new_instance(),
)
if mode == sources.DSMODE_LOCAL:
# Before network comes up, set any configured hostname to allow
# dhcp clients to advertize this hostname to any DDNS services
# LP: #1746455.
_maybe_set_hostname(init, stage="local", retry_stage="network")
init.apply_network_config(bring_up=bring_up_interfaces)
if mode == sources.DSMODE_LOCAL:
if init.datasource.dsmode != mode:
LOG.debug(
"[%s] Exiting. datasource %s not in local mode.",
mode,
init.datasource,
)
return (init.datasource, [])
else:
LOG.debug(
"[%s] %s is in local mode, will apply init modules now.",
mode,
init.datasource,
)
# Give the datasource a chance to use network resources.
# This is used on Azure to communicate with the fabric over network.
init.setup_datasource()
# update fully realizes user-data (pulling in #include if necessary)
init.update()
_maybe_set_hostname(init, stage="init-net", retry_stage="modules:config")
# Stage 7
try:
# Attempt to consume the data per instance.
# This may run user-data handlers and/or perform
# url downloads and such as needed.
(ran, _results) = init.cloudify().run(
"consume_data",
init.consume_data,
args=[PER_INSTANCE],
freq=PER_INSTANCE,
)
if not ran:
# Just consume anything that is set to run per-always
# if nothing ran in the per-instance code
#
# See: https://bugs.launchpad.net/bugs/819507 for a little
# reason behind this...
init.consume_data(PER_ALWAYS)
except Exception:
util.logexc(LOG, "Consuming user data failed!")
return (init.datasource, ["Consuming user data failed!"])
# Validate user-data adheres to schema definition
if os.path.exists(init.paths.get_ipath_cur("userdata_raw")):
validate_cloudconfig_schema(
config=init.cfg, strict=False, log_details=False
)
else:
LOG.debug("Skipping user-data validation. No user-data found.")
apply_reporting_cfg(init.cfg)
# Stage 8 - re-read and apply relevant cloud-config to include user-data
mods = Modules(init, extract_fns(args), reporter=args.reporter)
# Stage 9
try:
outfmt_orig = outfmt
errfmt_orig = errfmt
(outfmt, errfmt) = util.get_output_cfg(mods.cfg, name)
if outfmt_orig != outfmt or errfmt_orig != errfmt:
LOG.warning("Stdout, stderr changing to (%s, %s)", outfmt, errfmt)
(outfmt, errfmt) = util.fixup_output(mods.cfg, name)
except Exception:
util.logexc(LOG, "Failed to re-adjust output redirection!")
logging.setupLogging(mods.cfg)
# give the activated datasource a chance to adjust
init.activate_datasource()
di_report_warn(datasource=init.datasource, cfg=init.cfg)
# Stage 10
return (init.datasource, run_module_section(mods, name, name))
def main():
util.close_stdin()
cmds = ("start", "start-local")
deps = {
"start": (ds.DEP_FILESYSTEM, ds.DEP_NETWORK),
"start-local": (ds.DEP_FILESYSTEM, )
}
cmd = ""
if len(sys.argv) > 1:
cmd = sys.argv[1]
cfg_path = None
if len(sys.argv) > 2:
# this is really for debugging only
# but you can invoke on development system with ./config/cloud.cfg
cfg_path = sys.argv[2]
if not cmd in cmds:
sys.stderr.write("bad command %s. use one of %s\n" % (cmd, cmds))
sys.exit(1)
now = time.strftime("%a, %d %b %Y %H:%M:%S %z", time.gmtime())
try:
uptimef = open("/proc/uptime")
uptime = uptimef.read().split(" ")[0]
uptimef.close()
except IOError as e:
warn("unable to open /proc/uptime\n")
uptime = "na"
cmdline_msg = None
cmdline_exc = None
if cmd == "start":
target = "%s.d/%s" % (cloudinit.system_config,
"91_kernel_cmdline_url.cfg")
if os.path.exists(target):
cmdline_msg = "cmdline: %s existed" % target
else:
cmdline = util.get_cmdline()
try:
(key, url,
content) = cloudinit.get_cmdline_url(cmdline=cmdline)
if key and content:
util.write_file(target, content, mode=0600)
cmdline_msg = ("cmdline: wrote %s from %s, %s" %
(target, key, url))
elif key:
cmdline_msg = ("cmdline: %s, %s had no cloud-config" %
(key, url))
except Exception:
cmdline_exc = ("cmdline: '%s' raised exception\n%s" %
(cmdline, traceback.format_exc()))
warn(cmdline_exc)
try:
cfg = cloudinit.get_base_cfg(cfg_path)
except Exception as e:
warn("Failed to get base config. falling back to builtin: %s\n" % e)
try:
cfg = cloudinit.get_builtin_cfg()
except Exception as e:
warn("Unable to load builtin config\n")
raise
try:
(outfmt, errfmt) = CC.get_output_cfg(cfg, "init")
CC.redirect_output(outfmt, errfmt)
except Exception as e:
warn("Failed to get and set output config: %s\n" % e)
cloudinit.logging_set_from_cfg(cfg)
log = logging.getLogger()
if cmdline_exc:
log.debug(cmdline_exc)
elif cmdline_msg:
log.debug(cmdline_msg)
try:
cloudinit.initfs()
except Exception as e:
warn("failed to initfs, likely bad things to come: %s\n" % str(e))
nonet_path = "%s/%s" % (cloudinit.get_cpath("data"), "no-net")
if cmd == "start":
print netinfo.debug_info()
stop_files = (cloudinit.get_ipath_cur("obj_pkl"), nonet_path)
# if starting as the network start, there are cases
# where everything is already done for us, and it makes
# most sense to exit early and silently
for f in stop_files:
try:
fp = open(f, "r")
fp.close()
except:
continue
log.debug("no need for cloud-init start to run (%s)\n", f)
sys.exit(0)
elif cmd == "start-local":
# cache is not instance specific, so it has to be purged
# but we want 'start' to benefit from a cache if
# a previous start-local populated one
manclean = util.get_cfg_option_bool(cfg, 'manual_cache_clean', False)
if manclean:
log.debug("not purging cache, manual_cache_clean = True")
cloudinit.purge_cache(not manclean)
try:
os.unlink(nonet_path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
msg = "cloud-init %s running: %s. up %s seconds" % (cmd, now, uptime)
sys.stderr.write(msg + "\n")
sys.stderr.flush()
log.info(msg)
cloud = cloudinit.CloudInit(ds_deps=deps[cmd])
try:
cloud.get_data_source()
except cloudinit.DataSourceNotFoundException as e:
sys.stderr.write("no instance data found in %s\n" % cmd)
sys.exit(0)
# set this as the current instance
cloud.set_cur_instance()
# store the metadata
cloud.update_cache()
msg = "found data source: %s" % cloud.datasource
sys.stderr.write(msg + "\n")
log.debug(msg)
# parse the user data (ec2-run-userdata.py)
try:
ran = cloud.sem_and_run("consume_userdata", cloudinit.per_instance,
cloud.consume_userdata,
[cloudinit.per_instance], False)
if not ran:
cloud.consume_userdata(cloudinit.per_always)
except:
warn("consuming user data failed!\n")
raise
cfg_path = cloudinit.get_ipath_cur("cloud_config")
cc = CC.CloudConfig(cfg_path, cloud)
# if the output config changed, update output and err
try:
outfmt_orig = outfmt
errfmt_orig = errfmt
(outfmt, errfmt) = CC.get_output_cfg(cc.cfg, "init")
if outfmt_orig != outfmt or errfmt_orig != errfmt:
warn("stdout, stderr changing to (%s,%s)" % (outfmt, errfmt))
CC.redirect_output(outfmt, errfmt)
except Exception as e:
warn("Failed to get and set output config: %s\n" % e)
# send the cloud-config ready event
cc_path = cloudinit.get_ipath_cur('cloud_config')
cc_ready = cc.cfg.get("cc_ready_cmd", [
'initctl', 'emit', 'cloud-config',
'%s=%s' % (cloudinit.cfg_env_name, cc_path)
])
if cc_ready:
if isinstance(cc_ready, str):
cc_ready = ['sh', '-c', cc_ready]
subprocess.Popen(cc_ready).communicate()
module_list = CC.read_cc_modules(cc.cfg, "cloud_init_modules")
failures = []
if len(module_list):
failures = CC.run_cc_modules(cc, module_list, log)
else:
msg = "no cloud_init_modules to run"
sys.stderr.write(msg + "\n")
log.debug(msg)
sys.exit(0)
sys.exit(len(failures))
def main_init(name, args):
deps = [sources.DEP_FILESYSTEM, sources.DEP_NETWORK]
if args.local:
deps = [sources.DEP_FILESYSTEM]
if not args.local:
# See doc/kernel-cmdline.txt
#
# This is used in maas datasource, in "ephemeral" (read-only root)
# environment where the instance netboots to iscsi ro root.
# and the entity that controls the pxe config has to configure
# the maas datasource.
#
# Could be used elsewhere, only works on network based (not local).
root_name = "%s.d" % (CLOUD_CONFIG)
target_fn = os.path.join(root_name, "91_kernel_cmdline_url.cfg")
util.read_write_cmdline_url(target_fn)
# Cloud-init 'init' stage is broken up into the following sub-stages
# 1. Ensure that the init object fetches its config without errors
# 2. Setup logging/output redirections with resultant config (if any)
# 3. Initialize the cloud-init filesystem
# 4. Check if we can stop early by looking for various files
# 5. Fetch the datasource
# 6. Connect to the current instance location + update the cache
# 7. Consume the userdata (handlers get activated here)
# 8. Construct the modules object
# 9. Adjust any subsequent logging/output redirections using the modules
# objects config as it may be different from init object
# 10. Run the modules for the 'init' stage
# 11. Done!
if not args.local:
w_msg = welcome_format(name)
else:
w_msg = welcome_format("%s-local" % (name))
init = stages.Init(ds_deps=deps, reporter=args.reporter)
# Stage 1
init.read_cfg(extract_fns(args))
# Stage 2
outfmt = None
errfmt = None
try:
LOG.debug("Closing stdin")
util.close_stdin()
(outfmt, errfmt) = util.fixup_output(init.cfg, name)
except Exception:
util.logexc(LOG, "Failed to setup output redirection!")
print_exc("Failed to setup output redirection!")
if args.debug:
# Reset so that all the debug handlers are closed out
LOG.debug(("Logging being reset, this logger may no"
" longer be active shortly"))
logging.resetLogging()
logging.setupLogging(init.cfg)
apply_reporting_cfg(init.cfg)
# Any log usage prior to setupLogging above did not have local user log
# config applied. We send the welcome message now, as stderr/out have
# been redirected and log now configured.
welcome(name, msg=w_msg)
# Stage 3
try:
init.initialize()
except Exception:
util.logexc(LOG, "Failed to initialize, likely bad things to come!")
# Stage 4
path_helper = init.paths
mode = sources.DSMODE_LOCAL if args.local else sources.DSMODE_NETWORK
if mode == sources.DSMODE_NETWORK:
existing = "trust"
sys.stderr.write("%s\n" % (netinfo.debug_info()))
LOG.debug(("Checking to see if files that we need already"
" exist from a previous run that would allow us"
" to stop early."))
# no-net is written by upstart cloud-init-nonet when network failed
# to come up
stop_files = [
os.path.join(path_helper.get_cpath("data"), "no-net"),
]
existing_files = []
for fn in stop_files:
if os.path.isfile(fn):
existing_files.append(fn)
if existing_files:
LOG.debug("[%s] Exiting. stop file %s existed",
mode, existing_files)
return (None, [])
else:
LOG.debug("Execution continuing, no previous run detected that"
" would allow us to stop early.")
else:
existing = "check"
if util.get_cfg_option_bool(init.cfg, 'manual_cache_clean', False):
existing = "trust"
init.purge_cache()
# Delete the non-net file as well
util.del_file(os.path.join(path_helper.get_cpath("data"), "no-net"))
# Stage 5
try:
init.fetch(existing=existing)
# if in network mode, and the datasource is local
# then work was done at that stage.
if mode == sources.DSMODE_NETWORK and init.datasource.dsmode != mode:
LOG.debug("[%s] Exiting. datasource %s in local mode",
mode, init.datasource)
return (None, [])
except sources.DataSourceNotFoundException:
# In the case of 'cloud-init init' without '--local' it is a bit
# more likely that the user would consider it failure if nothing was
# found. When using upstart it will also mentions job failure
# in console log if exit code is != 0.
if mode == sources.DSMODE_LOCAL:
LOG.debug("No local datasource found")
else:
util.logexc(LOG, ("No instance datasource found!"
" Likely bad things to come!"))
if not args.force:
init.apply_network_config(bring_up=not args.local)
LOG.debug("[%s] Exiting without datasource in local mode", mode)
if mode == sources.DSMODE_LOCAL:
return (None, [])
else:
return (None, ["No instance datasource found."])
else:
LOG.debug("[%s] barreling on in force mode without datasource",
mode)
# Stage 6
iid = init.instancify()
LOG.debug("[%s] %s will now be targeting instance id: %s. new=%s",
mode, name, iid, init.is_new_instance())
init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL))
if mode == sources.DSMODE_LOCAL:
if init.datasource.dsmode != mode:
LOG.debug("[%s] Exiting. datasource %s not in local mode.",
mode, init.datasource)
return (init.datasource, [])
else:
LOG.debug("[%s] %s is in local mode, will apply init modules now.",
mode, init.datasource)
# update fully realizes user-data (pulling in #include if necessary)
init.update()
# Stage 7
try:
# Attempt to consume the data per instance.
# This may run user-data handlers and/or perform
# url downloads and such as needed.
(ran, _results) = init.cloudify().run('consume_data',
init.consume_data,
args=[PER_INSTANCE],
freq=PER_INSTANCE)
if not ran:
# Just consume anything that is set to run per-always
# if nothing ran in the per-instance code
#
# See: https://bugs.launchpad.net/bugs/819507 for a little
# reason behind this...
init.consume_data(PER_ALWAYS)
except Exception:
util.logexc(LOG, "Consuming user data failed!")
return (init.datasource, ["Consuming user data failed!"])
apply_reporting_cfg(init.cfg)
# Stage 8 - re-read and apply relevant cloud-config to include user-data
mods = stages.Modules(init, extract_fns(args), reporter=args.reporter)
# Stage 9
try:
outfmt_orig = outfmt
errfmt_orig = errfmt
(outfmt, errfmt) = util.get_output_cfg(mods.cfg, name)
if outfmt_orig != outfmt or errfmt_orig != errfmt:
LOG.warn("Stdout, stderr changing to (%s, %s)", outfmt, errfmt)
(outfmt, errfmt) = util.fixup_output(mods.cfg, name)
except Exception:
util.logexc(LOG, "Failed to re-adjust output redirection!")
logging.setupLogging(mods.cfg)
# Stage 10
return (init.datasource, run_module_section(mods, name, name))
def main():
util.close_stdin()
cmds = ("start", "start-local")
deps = {"start": (ds.DEP_FILESYSTEM, ds.DEP_NETWORK),
"start-local": (ds.DEP_FILESYSTEM, )}
cmd = ""
if len(sys.argv) > 1:
cmd = sys.argv[1]
cfg_path = None
if len(sys.argv) > 2:
# this is really for debugging only
# but you can invoke on development system with ./config/cloud.cfg
cfg_path = sys.argv[2]
if not cmd in cmds:
sys.stderr.write("bad command %s. use one of %s\n" % (cmd, cmds))
sys.exit(1)
now = time.strftime("%a, %d %b %Y %H:%M:%S %z", time.gmtime())
try:
uptimef = open("/proc/uptime")
uptime = uptimef.read().split(" ")[0]
uptimef.close()
except IOError as e:
warn("unable to open /proc/uptime\n")
uptime = "na"
cmdline_msg = None
cmdline_exc = None
if cmd == "start":
target = "%s.d/%s" % (cloudinit.system_config,
"91_kernel_cmdline_url.cfg")
if os.path.exists(target):
cmdline_msg = "cmdline: %s existed" % target
else:
cmdline = util.get_cmdline()
try:
(key, url, content) = cloudinit.get_cmdline_url(
cmdline=cmdline)
if key and content:
util.write_file(target, content, mode=0600)
cmdline_msg = ("cmdline: wrote %s from %s, %s" %
(target, key, url))
elif key:
cmdline_msg = ("cmdline: %s, %s had no cloud-config" %
(key, url))
except Exception:
cmdline_exc = ("cmdline: '%s' raised exception\n%s" %
(cmdline, traceback.format_exc()))
warn(cmdline_exc)
try:
cfg = cloudinit.get_base_cfg(cfg_path)
except Exception as e:
warn("Failed to get base config. falling back to builtin: %s\n" % e)
try:
cfg = cloudinit.get_builtin_cfg()
except Exception as e:
warn("Unable to load builtin config\n")
raise
try:
(outfmt, errfmt) = CC.get_output_cfg(cfg, "init")
CC.redirect_output(outfmt, errfmt)
except Exception as e:
warn("Failed to get and set output config: %s\n" % e)
cloudinit.logging_set_from_cfg(cfg)
log = logging.getLogger()
if cmdline_exc:
log.debug(cmdline_exc)
elif cmdline_msg:
log.debug(cmdline_msg)
try:
cloudinit.initfs()
except Exception as e:
warn("failed to initfs, likely bad things to come: %s\n" % str(e))
nonet_path = "%s/%s" % (cloudinit.get_cpath("data"), "no-net")
if cmd == "start":
print netinfo.debug_info()
stop_files = (cloudinit.get_ipath_cur("obj_pkl"), nonet_path)
# if starting as the network start, there are cases
# where everything is already done for us, and it makes
# most sense to exit early and silently
for f in stop_files:
try:
fp = open(f, "r")
fp.close()
except:
continue
log.debug("no need for cloud-init start to run (%s)\n", f)
sys.exit(0)
elif cmd == "start-local":
# cache is not instance specific, so it has to be purged
# but we want 'start' to benefit from a cache if
# a previous start-local populated one
manclean = util.get_cfg_option_bool(cfg, 'manual_cache_clean', False)
if manclean:
log.debug("not purging cache, manual_cache_clean = True")
cloudinit.purge_cache(not manclean)
try:
os.unlink(nonet_path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
msg = "cloud-init %s running: %s. up %s seconds" % (cmd, now, uptime)
sys.stderr.write(msg + "\n")
sys.stderr.flush()
log.info(msg)
cloud = cloudinit.CloudInit(ds_deps=deps[cmd])
try:
cloud.get_data_source()
except cloudinit.DataSourceNotFoundException as e:
sys.stderr.write("no instance data found in %s\n" % cmd)
sys.exit(0)
# set this as the current instance
cloud.set_cur_instance()
# store the metadata
cloud.update_cache()
msg = "found data source: %s" % cloud.datasource
sys.stderr.write(msg + "\n")
log.debug(msg)
# parse the user data (ec2-run-userdata.py)
try:
ran = cloud.sem_and_run("consume_userdata", cloudinit.per_instance,
cloud.consume_userdata, [cloudinit.per_instance], False)
if not ran:
cloud.consume_userdata(cloudinit.per_always)
except:
warn("consuming user data failed!\n")
raise
cfg_path = cloudinit.get_ipath_cur("cloud_config")
cc = CC.CloudConfig(cfg_path, cloud)
# if the output config changed, update output and err
try:
outfmt_orig = outfmt
errfmt_orig = errfmt
(outfmt, errfmt) = CC.get_output_cfg(cc.cfg, "init")
if outfmt_orig != outfmt or errfmt_orig != errfmt:
warn("stdout, stderr changing to (%s,%s)" % (outfmt, errfmt))
CC.redirect_output(outfmt, errfmt)
except Exception as e:
warn("Failed to get and set output config: %s\n" % e)
# send the cloud-config ready event
cc_path = cloudinit.get_ipath_cur('cloud_config')
cc_ready = cc.cfg.get("cc_ready_cmd",
['initctl', 'emit', 'cloud-config',
'%s=%s' % (cloudinit.cfg_env_name, cc_path)])
if cc_ready:
if isinstance(cc_ready, str):
cc_ready = ['sh', '-c', cc_ready]
subprocess.Popen(cc_ready).communicate()
module_list = CC.read_cc_modules(cc.cfg, "cloud_init_modules")
failures = []
if len(module_list):
failures = CC.run_cc_modules(cc, module_list, log)
else:
msg = "no cloud_init_modules to run"
sys.stderr.write(msg + "\n")
log.debug(msg)
sys.exit(0)
sys.exit(len(failures))
