diff options
Diffstat (limited to 'bin/cloud-init')
| -rwxr-xr-x | bin/cloud-init | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/bin/cloud-init b/bin/cloud-init index 0b879876..d3ef092f 100755 --- a/bin/cloud-init +++ b/bin/cloud-init @@ -34,13 +34,15 @@ if os.path.exists(os.path.join(possible_topdir, "cloudinit", "__init__.py")): from cloudinit import log as logging from cloudinit import netinfo -from cloudinit import settings from cloudinit import sources from cloudinit import stages from cloudinit import templater from cloudinit import util from cloudinit import version +from cloudinit.settings import (PER_INSTANCE, PER_ALWAYS, PER_ONCE, + CLOUD_CONFIG) + # Module section template MOD_SECTION_TPL = "cloud_%s_modules" @@ -54,9 +56,9 @@ QUERY_DATA_TYPES = [ # Frequency shortname to full name FREQ_SHORT_NAMES = { - 'instance': settings.PER_INSTANCE, - 'always': settings.PER_ALWAYS, - 'once': settings.PER_ONCE, + 'instance': PER_INSTANCE, + 'always': PER_ALWAYS, + 'once': PER_ONCE, } LOG = logging.getLogger() @@ -111,8 +113,15 @@ def main_init(name, args): deps = [sources.DEP_FILESYSTEM] if not args.local: - # TODO: What is this for?? - root_name = "%s.d" % (settings.CLOUD_CONFIG) + # 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) @@ -194,22 +203,34 @@ def main_init(name, args): init.fetch() except sources.DataSourceNotFoundException: util.logexc(LOG, "No instance datasource found!") - # TODO: Return 0 or 1?? - return 1 + # In the case of cloud-init (net mode) 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 args.local: + return 0 + else: + return 1 # Stage 6 iid = init.instancify() LOG.debug("%s will now be targeting instance id: %s", name, iid) 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_userdata', - init.consume, - args=[settings.PER_INSTANCE], - freq=settings.PER_INSTANCE) + init.consume_userdata, + 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 section - init.consume(settings.PER_ALWAYS) + # Just consume anything that is set to run per-always + # if nothing ran in the per-instance code + # + # TODO: should this always happen?? (even if the above runs?) + init.consume_userdata(PER_ALWAYS) except Exception: util.logexc(LOG, "Consuming user data failed!") return 1 |