本文整理匯總了Golang中github.com/hashicorp/nomad/nomad/structs.Constraint類的典型用法代碼示例。如果您正苦於以下問題：Golang Constraint類的具體用法？Golang Constraint怎麽用？Golang Constraint使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了Constraint類的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: parseConstraints
func parseConstraints(result *[]*structs.Constraint, obj *hclobj.Object) error {
for _, o := range obj.Elem(false) {
var m map[string]interface{}
if err := hcl.DecodeObject(&m, o); err != nil {
return err
}
m["LTarget"] = m["attribute"]
m["RTarget"] = m["value"]
m["Operand"] = m["operator"]
// Default constraint to being hard
if _, ok := m["hard"]; !ok {
m["hard"] = true
}
// Build the constraint
var c structs.Constraint
if err := mapstructure.WeakDecode(m, &c); err != nil {
return err
}
if c.Operand == "" {
c.Operand = "="
}
*result = append(*result, &c)
}
return nil
}示例2: parseConstraints
func parseConstraints(result *[]*structs.Constraint, obj *hclobj.Object) error {
for _, o := range obj.Elem(false) {
var m map[string]interface{}
if err := hcl.DecodeObject(&m, o); err != nil {
return err
}
m["LTarget"] = m["attribute"]
m["RTarget"] = m["value"]
m["Operand"] = m["operator"]
// Default constraint to being hard
if _, ok := m["hard"]; !ok {
m["hard"] = true
}
// If "version" is provided, set the operand
// to "version" and the value to the "RTarget"
if constraint, ok := m[structs.ConstraintVersion]; ok {
m["Operand"] = structs.ConstraintVersion
m["RTarget"] = constraint
}
// If "regexp" is provided, set the operand
// to "regexp" and the value to the "RTarget"
if constraint, ok := m[structs.ConstraintRegex]; ok {
m["Operand"] = structs.ConstraintRegex
m["RTarget"] = constraint
}
if value, ok := m[structs.ConstraintDistinctHosts]; ok {
enabled, err := strconv.ParseBool(value.(string))
if err != nil {
return err
}
// If it is not enabled, skip the constraint.
if !enabled {
continue
}
m["Operand"] = structs.ConstraintDistinctHosts
}
// Build the constraint
var c structs.Constraint
if err := mapstructure.WeakDecode(m, &c); err != nil {
return err
}
if c.Operand == "" {
c.Operand = "="
}
*result = append(*result, &c)
}
return nil
}示例3: parseConstraints
func parseConstraints(result *[]*structs.Constraint, list *ast.ObjectList) error {
for _, o := range list.Elem().Items {
var m map[string]interface{}
if err := hcl.DecodeObject(&m, o.Val); err != nil {
return err
}
m["LTarget"] = m["attribute"]
m["RTarget"] = m["value"]
m["Operand"] = m["operator"]
// If "version" is provided, set the operand
// to "version" and the value to the "RTarget"
if constraint, ok := m[structs.ConstraintVersion]; ok {
m["Operand"] = structs.ConstraintVersion
m["RTarget"] = constraint
}
// If "regexp" is provided, set the operand
// to "regexp" and the value to the "RTarget"
if constraint, ok := m[structs.ConstraintRegex]; ok {
m["Operand"] = structs.ConstraintRegex
m["RTarget"] = constraint
}
if value, ok := m[structs.ConstraintDistinctHosts]; ok {
enabled, err := parseBool(value)
if err != nil {
return fmt.Errorf("distinct_hosts should be set to true or false; %v", err)
}
// If it is not enabled, skip the constraint.
if !enabled {
continue
}
m["Operand"] = structs.ConstraintDistinctHosts
}
// Build the constraint
var c structs.Constraint
if err := mapstructure.WeakDecode(m, &c); err != nil {
return err
}
if c.Operand == "" {
c.Operand = "="
}
*result = append(*result, &c)
}
return nil
}