hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add sum helper to api command

Browse Source 
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
1 changed files with 12 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
maxctrl/lib/api.js
View File

@ -17,6 +17,13 @@ exports.desc = 'Raw REST API access'
exports.handler = function() {} exports.handler = function() {}
exports.builder = function(yargs) { exports.builder = function(yargs) {
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) { .command('get <resource> [path]', 'Get raw JSON', function(yargs) {
return yargs.epilog('Perform a raw REST API call. ' + return yargs.epilog('Perform a raw REST API call. ' +
'The path definition uses JavaScript syntax to extract values. ' + 'The path definition uses JavaScript syntax to extract values. ' +
@ -27,7 +34,11 @@ exports.builder = function(yargs) {
maxctrl(argv, function(host) { maxctrl(argv, function(host) {
return doRequest(host, argv.resource, (res) => { return doRequest(host, argv.resource, (res) => {
if (argv.path) { 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) return JSON.stringify(res)