redis-pod-labeler

Docker image for find and label the redis pods in the kubernetes cluster according to the role ( master, slave)

Docker Image Link

Description

A simple python script to find the redis pods in Kubernetes for the given labels and label them according to the rule.

redis-cli -h redis-ha.redis -p 26379 sentinel get-master-addr-by-name mymaster - used to get the redis master service details

grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' - used to get the IP address filtered

Those pods updated with the labels master, slave accordingly.

Arguments

Argument name	Description	Default
--redis-cluster-name	redis sentinel master-group-name (must required)
--redis-headless-svc-name	headless service name of the redis (must required)
--namespace	namespace of the redis-ha deployment	redis
--svc-selector	key=value of to match labels and get the redis announce service	app=redis-ha
--redis-sentinel_port	redis sentinel port	26379
--update-period	How frequent this should update the labels (seconds)	60
--company-domain	company domain to make label key (example.com/role)	redis.io
--config-file	path to kube config file	-
--incluster-config	load in-cluster kube config	True
--insecure-skip-tls-verify	skip tls verification	False
--verbose	enable detailed output in the logs	False

Example Deployment

An example of a deployment can be found in the file sample-redis-pod-labeler-deployment.yaml