fix(influx): enforce flag validation

closes: #18629

CHANGELOG.md

@@ -1,3 +1,10 @@
+## v2.0.0-beta.16 [unreleased]
+
+### Bug Fixes
+
+1. [19043](https://github.com/influxdata/influxdb/pull/19043): Enforce all influx CLI flag args are valid
+
+
 ## v2.0.0-beta.15 [2020-07-23]
 
 ### Breaking

cmd/influx/main.go

@@ -102,11 +102,6 @@ func (o genericCLIOpts) newCmd(use string, runE func(*cobra.Command, []string) e
 		Args: cobra.NoArgs,
 		Use:  use,
 		RunE: runE,
-		FParseErrWhitelist: cobra.FParseErrWhitelist{
-			// allows for unknown flags, parser does not crap the bed
-			// when providing a flag that doesn't exist/match.
-			UnknownFlags: true,
-		},
 	}
 
 	canWrapRunE := runE != nil && o.runEWrapFn != nil
@@ -563,16 +558,6 @@ func setViperOptions() {
 	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
 }
 
-func enforceFlagValidation(cmd *cobra.Command) {
-	cmd.FParseErrWhitelist = cobra.FParseErrWhitelist{
-		// disable unknown flags when short flag can conflict with a long flag.
-		// An example here is the --filter flag provided as -filter=foo will overwrite
-		// the -f flag to -f=ilter=foo, which generates a bad filename.
-		// remedies issue: https://github.com/influxdata/influxdb/issues/18850
-		UnknownFlags: false,
-	}
-}
-
 func writeJSON(w io.Writer, v interface{}) error {
 	enc := json.NewEncoder(w)
 	enc.SetIndent("", "\t")

cmd/influx/telegraf.go

@@ -322,7 +322,6 @@ func (b *cmdTelegrafBuilder) readConfig(file string) (string, error) {
 func (b *cmdTelegrafBuilder) newCmd(use string, runE func(*cobra.Command, []string) error) *cobra.Command {
 	cmd := b.genericCLIOpts.newCmd(use, runE, true)
 	b.genericCLIOpts.registerPrintOptions(cmd)
-	enforceFlagValidation(cmd)
 	return cmd
 }
 

cmd/influx/template.go

@@ -104,7 +104,6 @@ func newCmdPkgerBuilder(svcFn templateSVCsFn, f *globalFlags, opts genericCLIOpt
 
 func (b *cmdTemplateBuilder) cmdApply() *cobra.Command {
 	cmd := b.newCmd("apply", b.applyRunEFn)
-	enforceFlagValidation(cmd)
 	cmd.Short = "Apply a template to manage resources"
 	cmd.Long = `
 	The apply command applies InfluxDB template(s). Use the command to create new
@@ -456,7 +455,6 @@ func (b *cmdTemplateBuilder) cmdExportAll() *cobra.Command {
 	and
 	https://v2.docs.influxdata.com/v2.0/reference/cli/influx/export/all
 `
-	enforceFlagValidation(cmd)
 
 	cmd.Flags().StringVarP(&b.file, "file", "f", "", "output file for created template; defaults to std out if no file provided; the extension of provided file (.yml/.json) will dictate encoding")
 	cmd.Flags().StringArrayVar(&b.filters, "filter", nil, "Filter exported resources by labelName or resourceKind (format: --filter=labelName=example)")

cmd/influx/write.go

@@ -44,7 +44,6 @@ var writeFlags writeFlagsType
 
 func cmdWrite(f *globalFlags, opt genericCLIOpts) *cobra.Command {
 	cmd := opt.newCmd("write", fluxWriteF, true)
-	enforceFlagValidation(cmd)
 	cmd.Args = cobra.MaximumNArgs(1)
 	cmd.Short = "Write points to InfluxDB"
 	cmd.Long = `Write data to InfluxDB via stdin, or add an entire file specified with the -f flag`