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Make the kubelet on a GCE master check instance metadata for manifests.

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Primary motivation: enable GKE and other cluster-as-a-service folks to
easily run additional logic on the master without having to modify salt
or SSH to the master after it's been created.
This commit is contained in:
Alex Robinson
2015-07-29 00:24:28 +00:00
parent a3cb57f48d
commit 94ae0a9a0d
1 changed files with 7 additions and 1 deletions
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8
cluster/saltbase/salt/kubelet/default
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@@ -41,6 +41,12 @@
{% endif -%}
{% set config = "--config=/etc/kubernetes/manifests" -%}
{% set manifest_url = "" -%}
{% if grains['roles'][0] == 'kubernetes-master' and grains.cloud in ['gce'] -%}
{% set manifest_url = "--manifest-url=http://metadata.google.internal/computeMetadata/v1/instance/attributes/google-container-manifest --manifest-url-header=Metadata-Flavor:Google" -%}
{% endif -%}
{% set hostname_override = "" -%}
{% if grains.hostname_override is defined -%}
{% set hostname_override = " --hostname_override=" + grains.hostname_override -%}
@@ -84,4 +90,4 @@
{% set pod_cidr = "--pod-cidr=" + grains['cbr-cidr'] %}
{% endif %}
DAEMON_ARGS="{{daemon_args}} {{api_servers_with_port}} {{debugging_handlers}} {{hostname_override}} {{cloud_provider}} {{config}} --allow_privileged={{pillar['allow_privileged']}} {{pillar['log_level']}} {{cluster_dns}} {{cluster_domain}} {{docker_root}} {{kubelet_root}} {{configure_cbr0}} {{cgroup_root}} {{system_container}} {{pod_cidr}}"
DAEMON_ARGS="{{daemon_args}} {{api_servers_with_port}} {{debugging_handlers}} {{hostname_override}} {{cloud_provider}} {{config}} {{manifest_url}} --allow_privileged={{pillar['allow_privileged']}} {{pillar['log_level']}} {{cluster_dns}} {{cluster_domain}} {{docker_root}} {{kubelet_root}} {{configure_cbr0}} {{cgroup_root}} {{system_container}} {{pod_cidr}}"