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Inspired by the dockerize template library, GTE is a go template engine based on the golang template package and the go-jmespath library (JMESPath is a query language for JSON).

gte [options] template destination [template destination]...

-n --no-overwrite    Do not overwrite destination file if it already exists.-d --delims    template tag delimiters. default "{{":"}}"

Arguments:

template - the template. Can be passed multiple times together with destination as an ordered pair (2-tuple). Does also support directories.
destination - the destination . Can be passed multiple times together with destination as an ordered pair (2-tuple). Does also support directories.

Generate test.conf using test.tmpl as a template.

gte test.tmpl /etc/test/test.conf

content template test.tmpl:

#Begin Configjson:{{ jsonQuery `{"cc":{"servers":[{"host":"aa","port":1001},{"host":"bb","port":1002},{"host":"cc","port":1003}]}}` `-i2 cc.servers[*]` }}#End Config

generated test.conf:

#Begin Configjson:[  {    "host": "aa",    "port": 1001  },  {    "host": "bb",    "port": 1002  },  {    "host": "cc",    "port": 1003  }] #End Config

{{ jsonQuery \`json-source\` \`[options] jmespath\` }}

e.g. `{"host": "10.0.0.1"}`
e.g. .Env.VCAP_SERVICES (json in environment variable)

e.g. `host`
e.g. `services[0].host`
e.g. `services[?host=='10.0.0.1']`

(none)output rendered as inline json

-iNUMintend json output with the defined number of spaces, e.g. -i5

-yyaml output