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SII-4119: Stop Kubernetes nodes from showing up as the address used to connect to Kubelet #48

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Jun 5, 2019
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SII-4119: Stop Kubernetes nodes from showing up as the address used to connect to Kubelet #48

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SII-4119: Stop Kubernetes nodes from showing up as the address used t…
splunk-pwu May 10, 2019
48f3f6f
SII-4119: Set default kubelet_address to "#{ENV['KUBERNETES_NODE_IP']}"
splunk-pwu Jun 3, 2019
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8 changes: 7 additions & 1 deletion README.md
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Expand Up @@ -97,9 +97,15 @@ The name of the node from which the plugin should collect metrics. This enables

Array of the nodes from which the this plugin should collect metrics. This enables the plugin to fetch metrics from kubeapiserver. Used only when use_rest_client configuration parameter is not enabled.

### kubelet_address (string) (optional)

The hostname or IP address that kubelet will use to connect to. If not supplied, status.hostIP of the node is used to fetch metrics from the Kubelet API (via the $KUBERNETES_NODE_IP environment variable).

Default value: `"#{ENV['KUBERNETES_NODE_IP']}"`.

### kubelet_port (integer) (optional)

The port that kubelet is listening to.
The port that kubelet is listening on.

Default value: `10250`.

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5 changes: 4 additions & 1 deletion lib/fluent/plugin/in_kubernetes_metrics.rb
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Expand Up @@ -61,6 +61,9 @@ class KubernetesMetricsInput < Fluent::Plugin::Input
desc 'Name of the nodes that this plugin should collect metrics from.'
config_param :node_names, :array, default: [], value_type: :string

desc 'The hostname or IP address that kubelet will use to connect to. If not supplied, status.hostIP of the node is used to fetch metrics from the Kubelet API (via the $KUBERNETES_NODE_IP environment variable)'
config_param :kubelet_address, :string, default: "#{ENV['KUBERNETES_NODE_IP']}"

desc 'The port that kubelet is listening to.'
config_param :kubelet_port, :integer, default: 10_250

Expand Down Expand Up @@ -193,7 +196,7 @@ def initialize_client
end

def initialize_rest_client
env_host = @node_name
env_host = @kubelet_address
env_port = @kubelet_port

if env_host && env_port
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