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Viewing changes to src/github.com/juju/juju/cmd/juju/common/flags.go

  • Committer: Nicholas Skaggs
  • Date: 2016-09-30 14:39:30 UTC
  • mfrom: (1.8.1)
  • Revision ID: nicholas.skaggs@canonical.com-20160930143930-vwwhrefh6ftckccy
import upstream

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src/github.com/juju/juju/cmd/juju/common/flags.go
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        "github.com/juju/cmd"
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        "github.com/juju/errors"
 
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        "github.com/juju/juju/constraints"
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        "github.com/juju/utils"
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        "gopkg.in/yaml.v2"
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)
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        }
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        return strings.Join(strs, " ")
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}
 
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// WarnConstraintAliases shows a warning to the user that they have used an
 
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// alias for a constraint that might go away sometime.
 
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func WarnConstraintAliases(ctx *cmd.Context, aliases map[string]string) {
 
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        for alias, canonical := range aliases {
 
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                ctx.Infof("Warning: constraint %q is deprecated in favor of %q.\n", alias, canonical)
 
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        }
 
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}
 
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// ParseConstraints parses the given constraints and uses WarnConstraintAliases
 
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// if any aliases were used.
 
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func ParseConstraints(ctx *cmd.Context, cons string) (constraints.Value, error) {
 
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        if cons == "" {
 
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                return constraints.Value{}, nil
 
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        }
 
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        constraint, aliases, err := constraints.ParseWithAliases(cons)
 
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        // we always do these, even on errors, so that the error messages have
 
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        // context.
 
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        for alias, canonical := range aliases {
 
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                ctx.Infof("Warning: constraint %q is deprecated in favor of %q.\n", alias, canonical)
 
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        }
 
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        if err != nil {
 
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                return constraints.Value{}, err
 
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        }
 
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        return constraint, nil
 
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}