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authorTim Bielawa <tbielawa@redhat.com>2016-10-18 06:07:24 -0700
committerTim Bielawa <tbielawa@redhat.com>2016-10-20 08:30:59 -0700
commitd0bc360275b94b666ebaeb687d8639bfaad3a85e (patch)
tree623b5eb6c74a2ae221d149a41d2c440c473887dd /roles
parentb4d7cf3d6fddbb6335ac22d599cb8a11bd8930a2 (diff)
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Add node-labels to kubeletArguments
* Node labels are parsed from openshift_node_labels if they exist
Diffstat (limited to 'roles')
-rwxr-xr-xroles/openshift_facts/library/openshift_facts.py39
-rw-r--r--roles/openshift_node/tasks/main.yml4
2 files changed, 40 insertions, 3 deletions
diff --git a/roles/openshift_facts/library/openshift_facts.py b/roles/openshift_facts/library/openshift_facts.py
index cb642e12e..d9b065d8a 100755
--- a/roles/openshift_facts/library/openshift_facts.py
+++ b/roles/openshift_facts/library/openshift_facts.py
@@ -1035,12 +1035,23 @@ def get_current_config(facts):
return current_config
def build_kubelet_args(facts):
- """ Build node kubelet_args """
- cloud_cfg_path = os.path.join(facts['common']['config_base'],
- 'cloudprovider')
+ """Build node kubelet_args
+
+In the node-config.yaml file, kubeletArgument sub-keys have their
+values provided as a list. Hence the gratuitous use of ['foo'] below.
+ """
+ cloud_cfg_path = os.path.join(
+ facts['common']['config_base'],
+ 'cloudprovider')
+
+ # We only have to do this stuff on hosts that are nodes
if 'node' in facts:
+ # Any changes to the kubeletArguments parameter are stored
+ # here first.
kubelet_args = {}
+
if 'cloudprovider' in facts:
+ # EVERY cloud is special <3
if 'kind' in facts['cloudprovider']:
if facts['cloudprovider']['kind'] == 'aws':
kubelet_args['cloud-provider'] = ['aws']
@@ -1050,6 +1061,28 @@ def build_kubelet_args(facts):
kubelet_args['cloud-config'] = [cloud_cfg_path + '/openstack.conf']
if facts['cloudprovider']['kind'] == 'gce':
kubelet_args['cloud-provider'] = ['gce']
+
+ # Automatically add node-labels to the kubeletArguments
+ # parameter. See BZ1359848 for additional details.
+ #
+ # Ref: https://bugzilla.redhat.com/show_bug.cgi?id=1359848
+ if 'labels' in facts['node'] and isinstance(facts['node']['labels'], dict):
+ # tl;dr: os_node_labels="{'foo': 'bar', 'a': 'b'}" turns
+ # into ['foo=bar', 'a=b']
+ #
+ # On the openshift_node_labels inventory variable we loop
+ # over each key-value tuple (from .items()) and join the
+ # key to the value with an '=' character, this produces a
+ # list.
+ #
+ # map() seems to be returning an itertools.imap object
+ # instead of a list. We cast it to a list ourselves.
+ labels_str = list(map(lambda x: '='.join(x), facts['node']['labels'].items()))
+ if labels_str != '':
+ kubelet_args['node-labels'] = labels_str
+
+ # If we've added items to the kubelet_args dict then we need
+ # to merge the new items back into the main facts object.
if kubelet_args != {}:
facts = merge_facts({'node': {'kubelet_args': kubelet_args}}, facts, [], [])
return facts
diff --git a/roles/openshift_node/tasks/main.yml b/roles/openshift_node/tasks/main.yml
index 1de63ecc3..8b3145785 100644
--- a/roles/openshift_node/tasks/main.yml
+++ b/roles/openshift_node/tasks/main.yml
@@ -9,6 +9,10 @@
role: "{{ item.role }}"
local_facts: "{{ item.local_facts }}"
with_items:
+ # Reset node labels to an empty dictionary.
+ - role: node
+ local_facts:
+ labels: {}
- role: node
local_facts:
annotations: "{{ openshift_node_annotations | default(none) }}"