circonus-kubernetes-agent

command module

v0.9.0 Latest Latest Go to latest Published: Jul 2, 2020 License: BSD-3-Clause Imports: 2 Imported by: 0

README ¶

Circonus Kubernetes Agent

An agent designed to retrieve metrics from a Kubernetes cluster. Runs as a deployment, forwards Kubernetes provided metrics for cluster, nodes, pods, and containers to Circonus.

Installation

Prerequisites

For full functionality kube-state-metrics should be installed in the cluster

`kubectl`

Default (simple)

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In deploy/default/configuration.yaml set the following required attributes:
- Circonus API Token - circonus-api-key
- Kubernetes Cluster Name - kubernetes-name - short, unique string w/o spaces
- Circonus Alert Email - default-alerts.json->contact.email - email address for default alerts
Apply kubectl apply -f deploy/default/

Custom

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Verify deploy/custom/authrbac.yaml, alter any applicable settings for cluster security
Change any applicable settings in deploy/custom/configuration.yaml, minimum required:
- Circonus API Token
- Check Target (optional, Kubernetes cluster name will be used if not supplied) - so agent can find check on restart (short, unique string w/o spaces - normally this is a FQDN)
- Kubernetes Cluster Name - used for check title when creating a check
- Circonus Alert Email - email address for default alerts
Change any applicable settings in deploy/custom/deployment.yaml
Apply kubectl apply -f deploy/custom/

`helm` (contrib)

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Make updates to files in contrib/helm to customize settings
Install

helm install contrib/helm \
  --name=<Helm release name> \
  --set=circonus_api_key=<some valid Circonus API key> \
  --set=kubernetes_name=<kubernetes-name> \
  --set=circonus_check_target=<circonus-check-target> \
  --wait

Documentation ¶

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Source Files ¶

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Path	Synopsis
cmd Package cmd provides the cli interface and configuration handling	Package cmd provides the cli interface and configuration handling
internal
agent Package agent defines the main process	Package agent defines the main process
as Package as is the api-server collector	Package as is the api-server collector
circonus Package circonus contains methods for interfacing with circonus	Package circonus contains methods for interfacing with circonus
cluster Package cluster is the collection manager for a cluster	Package cluster is the collection manager for a cluster
config Package config defines the configuration and configuration helper methods for agent	Package config defines the configuration and configuration helper methods for agent
config/defaults Package defaults contains the default values for configuration options	Package defaults contains the default values for configuration options
config/keys Package keys defines the configuration keys used to access viper	Package keys defines the configuration keys used to access viper
dns Package dns is the kube-dns collector	Package dns is the kube-dns collector
events Package events is the cluster events collector	Package events is the cluster events collector
health Package health contains collection/calculation of derived metrics used for dashboard and alerting	Package health contains collection/calculation of derived metrics used for dashboard and alerting
k8s Package k8s defines types needed	Package k8s defines types needed
ksm Package ksm is the kube-state-metrics collector	Package ksm is the kube-state-metrics collector
nodes Package nodes is the collector for nodes, pods, and optionally containers	Package nodes is the collector for nodes, pods, and optionally containers
nodes/collector Package collector collects metrics from nodes	Package collector collects metrics from nodes
promtext Package promtext parses prometheus text metrics	Package promtext parses prometheus text metrics
release Package release provides placeholders for build tags	Package release provides placeholders for build tags