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kenv

Environment file preprocessor for Kubernetes deployments

kenv injects variables into Kubernetes resource documents by loading a list of files containing variables, and modifying the resource document to include those values. This way, you can dynamically set environment variables without having to template your resource documents.

Getting Started

Download kenv and run by passing a resource doc (YAML or JSON) to:

STDIN with a pipe:

cat fixtures/deployment.yaml | ./kenv -v fixtures/vars.env

or as a CLI Arg:

./kenv -v fixtures/vars.env fixtures/deployment.yaml

Variables

Variables are stored in files either as simple key=value pairs, or YAML pairs (key: value). Multiple variable files can be specified by repeating the -v flag:

./kenv -v fixtures/vars.env -v fixtures/complex.env fixtures/deployment.yaml

YAML

YAML files must be in the following format (nested data types are not currently supported):

key1: value1
key2: value2

KV Format

A key=value format is also supported, for example:

key1=value1
key2=value2

Building

govendor sync
go test -v .

TODO