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Merge pull request #12765 from cxcv/master

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added percentencode formatting option
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Torkel Ödegaard 2019-01-22 15:55:36 +01:00 committed by GitHub
commit db99b86591
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1
docs/sources/reference/templating.md
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@ -52,6 +52,7 @@ Filter Option | Example | Raw | Interpolated | Description
`csv`| ${servers:csv} | `'test1', 'test2'` | `test1,test2` | Formats multi-value variable as a comma-separated string
`distributed`| ${servers:distributed} | `'test1', 'test2'` | `test1,servers=test2` | Formats multi-value variable in custom format for OpenTSDB.
`lucene`| ${servers:lucene} | `'test', 'test2'` | `("test" OR "test2")` | Formats multi-value variable as a lucene expression.
`percentencode` | ${servers:percentencode} | `'foo()bar BAZ', 'test2'` | `{foo%28%29bar%20BAZ%2Ctest2}` | Formats multi-value variable into a glob, percent-encoded.
Test the formatting options on the [Grafana Play site](http://play.grafana.org/d/cJtIfcWiz/template-variable-formatting-options?orgId=1).

5
public/app/features/templating/specs/template_srv.test.ts
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@ -275,6 +275,11 @@ describe('templateSrv', () => {
expect(result).toBe('test,test2');
});
it('multi value and percentencode format should render percent-encoded string', () => {
const result = _templateSrv.formatValue(['foo()bar BAZ', 'test2'], 'percentencode');
expect(result).toBe('%7Bfoo%28%29bar%20BAZ%2Ctest2%7D');
});
it('slash should be properly escaped in regex format', () => {
const result = _templateSrv.formatValue('Gi3/14', 'regex');
expect(result).toBe('Gi3\\/14');

16
public/app/features/templating/template_srv.ts
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@ -77,6 +77,15 @@ export class TemplateSrv {
return '(' + quotedValues.join(' OR ') + ')';
}
// encode string according to RFC 3986; in contrast to encodeURIComponent()
// also the sub-delims "!", "'", "(", ")" and "*" are encoded;
// unicode handling uses UTF-8 as in ECMA-262.
encodeURIComponentStrict(str) {
return encodeURIComponent(str).replace(/[!'()*]/g, (c) => {
return '%' + c.charCodeAt(0).toString(16).toUpperCase();
});
}
formatValue(value, format, variable) {
// for some scopedVars there is no variable
variable = variable || {};
@ -118,6 +127,13 @@ export class TemplateSrv {
}
return value;
}
case 'percentencode': {
// like glob, but url escaped
if (_.isArray(value)) {
return this.encodeURIComponentStrict('{' + value.join(',') + '}');
}
return this.encodeURIComponentStrict(value);
}
default: {
if (_.isArray(value)) {
return '{' + value.join(',') + '}';