hcq/MaxScale
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Add sum helper to api command

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Calculating sums for values is useful for monitoring and scripting
purposes.
This commit is contained in:
Markus Mäkelä 2018-05-02 08:12:03 +03:00
parent 121d255780
commit bc21a28741
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GPG Key ID: 72D48FCE664F7B19
1 changed files with 12 additions and 1 deletions
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13
maxctrl/lib/api.js
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@ -17,6 +17,13 @@ exports.desc = 'Raw REST API access'
exports.handler = function() {}
exports.builder = function(yargs) {
yargs
.group(['sum'], 'API options:')
.option('sum', {
describe: 'Calculate sum of API result. Only works for arrays of numbers ' +
'e.g. `api get --sum servers data[].attributes.statistics.connections`.',
type: 'boolean',
default: false
})
.command('get <resource> [path]', 'Get raw JSON', function(yargs) {
return yargs.epilog('Perform a raw REST API call. ' +
'The path definition uses JavaScript syntax to extract values. ' +
@ -27,7 +34,11 @@ exports.builder = function(yargs) {
maxctrl(argv, function(host) {
return doRequest(host, argv.resource, (res) => {
if (argv.path) {
res = _.getPath(res, argv.path, '')
res = _.getPath(res, argv.path)
}
if (argv.sum && Array.isArray(res) && typeof(res[0]) == 'number') {
res = res.reduce((sum, value) => value ? sum + value : sum)
}
return JSON.stringify(res)