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New static configuration loading system.

Browse source 
Co-authored-by: Mathieu Lonjaret <mathieu.lonjaret@gmail.com>
This commit is contained in:
Ludovic Fernandez 2019-06-17 11:48:05 +02:00 • committed by Traefiker Bot
parent d18edd6f77
commit 8d7eccad5d
165 changed files with 10894 additions and 6076 deletions
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53
pkg/types/constraints.go
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@ -10,12 +10,12 @@ import (
)
// Constraint holds a parsed constraint expression.
// FIXME replace by a string.
type Constraint struct {
Key string `export:"true"`
Key string `description:"The provider label that will be matched against. In practice, it is always 'tag'." export:"true"`
// MustMatch is true if operator is "==" or false if operator is "!="
MustMatch bool `export:"true"`
// TODO: support regex
Regex string `export:"true"`
MustMatch bool `description:"Whether the matching operator is equals or not equals." export:"true"`
Value string `description:"The value that will be matched against." export:"true"` // TODO: support regex
}
// NewConstraint receives a string and return a *Constraint, after checking syntax and parsing the constraint expression.
@ -42,7 +42,7 @@ func NewConstraint(exp string) (*Constraint, error) {
}
constraint.Key = kv[0]
constraint.Regex = kv[1]
constraint.Value = kv[1]
return constraint, nil
}
@ -51,9 +51,9 @@ func NewConstraint(exp string) (*Constraint, error) {
func (c *Constraint) String() string {
if c.MustMatch {
return c.Key + "==" + c.Regex
return c.Key + "==" + c.Value
}
return c.Key + "!=" + c.Regex
return c.Key + "!=" + c.Value
}
var _ encoding.TextUnmarshaler = (*Constraint)(nil)
@ -66,7 +66,7 @@ func (c *Constraint) UnmarshalText(text []byte) error {
}
c.Key = constraint.Key
c.MustMatch = constraint.MustMatch
c.Regex = constraint.Regex
c.Value = constraint.Value
return nil
}
@ -80,44 +80,9 @@ func (c *Constraint) MarshalText() (text []byte, err error) {
// MatchConstraintWithAtLeastOneTag tests a constraint for one single service.
func (c *Constraint) MatchConstraintWithAtLeastOneTag(tags []string) bool {
for _, tag := range tags {
if glob.Glob(c.Regex, tag) {
if glob.Glob(c.Value, tag) {
return true
}
}
return false
}
// Set []*Constraint.
func (cs *Constraints) Set(str string) error {
exps := strings.Split(str, ",")
if len(exps) == 0 {
return fmt.Errorf("bad Constraint format: %s", str)
}
for _, exp := range exps {
constraint, err := NewConstraint(exp)
if err != nil {
return err
}
*cs = append(*cs, constraint)
}
return nil
}
// Constraints holds a Constraint parser.
type Constraints []*Constraint
// Get []*Constraint
func (cs *Constraints) Get() interface{} { return []*Constraint(*cs) }
// String returns []*Constraint in string.
func (cs *Constraints) String() string { return fmt.Sprintf("%+v", *cs) }
// SetValue sets []*Constraint into the parser.
func (cs *Constraints) SetValue(val interface{}) {
*cs = val.(Constraints)
}
// Type exports the Constraints type as a string.
func (cs *Constraints) Type() string {
return "constraint"
}