Пример #1
0
func (s *constraintsValidationSuite) SetUpTest(c *gc.C) {
	s.ConnSuite.SetUpTest(c)
	s.policy.getConstraintsValidator = func(*config.Config) (constraints.Validator, error) {
		validator := constraints.NewValidator()
		validator.RegisterConflicts([]string{constraints.InstanceType}, []string{constraints.Mem, constraints.Arch})
		validator.RegisterUnsupported([]string{constraints.CpuPower})
		return validator, nil
	}
}
Пример #2
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func (s *validationSuite) TestMergeError(c *gc.C) {
	validator := constraints.NewValidator()
	validator.RegisterConflicts([]string{"instance-type"}, []string{"mem"})
	consFallback := constraints.MustParse("instance-type=foo mem=4G")
	cons := constraints.MustParse("cpu-cores=2")
	_, err := validator.Merge(consFallback, cons)
	c.Assert(err, gc.ErrorMatches, `ambiguous constraints: "mem" overlaps with "instance-type"`)
	_, err = validator.Merge(cons, consFallback)
	c.Assert(err, gc.ErrorMatches, `ambiguous constraints: "mem" overlaps with "instance-type"`)
}
Пример #3
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func (s *ServiceSuite) SetUpTest(c *gc.C) {
	s.ConnSuite.SetUpTest(c)
	s.policy.getConstraintsValidator = func(*config.Config) (constraints.Validator, error) {
		validator := constraints.NewValidator()
		validator.RegisterConflicts([]string{constraints.InstanceType}, []string{constraints.Mem})
		validator.RegisterUnsupported([]string{constraints.CpuPower})
		return validator, nil
	}
	s.charm = s.AddTestingCharm(c, "mysql")
	s.mysql = s.AddTestingService(c, "mysql", s.charm)
}
Пример #4
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func (s *validationSuite) TestMerge(c *gc.C) {
	for i, t := range mergeTests {
		c.Logf("test %d: %s", i, t.desc)
		validator := constraints.NewValidator()
		validator.RegisterConflicts(t.reds, t.blues)
		consFallback := constraints.MustParse(t.consFallback)
		cons := constraints.MustParse(t.cons)
		merged, err := validator.Merge(consFallback, cons)
		c.Assert(err, gc.IsNil)
		expected := constraints.MustParse(t.expected)
		c.Check(merged, gc.DeepEquals, expected)
	}
}
Пример #5
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func (s *PrecheckerSuite) TestPrecheckInstance(c *gc.C) {
	// PrecheckInstance should be called with the specified
	// series and placement, and the specified constraints
	// merged with the environment constraints, when attempting
	// to create an instance.
	envCons := constraints.MustParse("mem=4G")
	placement := "abc123"
	template, err := s.addOneMachine(c, envCons, placement)
	c.Assert(err, gc.IsNil)
	c.Assert(s.prechecker.precheckInstanceSeries, gc.Equals, template.Series)
	c.Assert(s.prechecker.precheckInstancePlacement, gc.Equals, placement)
	validator := constraints.NewValidator()
	cons, err := validator.Merge(envCons, template.Constraints)
	c.Assert(err, gc.IsNil)
	c.Assert(s.prechecker.precheckInstanceConstraints, gc.DeepEquals, cons)
}
Пример #6
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func (s *validationSuite) TestValidation(c *gc.C) {
	for i, t := range validationTests {
		c.Logf("test %d", i)
		validator := constraints.NewValidator()
		validator.RegisterUnsupported(t.unsupported)
		validator.RegisterConflicts(t.reds, t.blues)
		for a, v := range t.vocab {
			validator.RegisterVocabulary(a, v)
		}
		cons := constraints.MustParse(t.cons)
		unsupported, err := validator.Validate(cons)
		if t.err == "" {
			c.Assert(err, gc.IsNil)
			c.Assert(unsupported, jc.DeepEquals, t.unsupported)
		} else {
			c.Assert(err, gc.ErrorMatches, t.err)
		}
	}
}
Пример #7
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func (st *State) constraintsValidator() (constraints.Validator, error) {
	// Default behaviour is to simply use a standard validator with
	// no environment specific behaviour built in.
	defaultValidator := constraints.NewValidator()
	if st.policy == nil {
		return defaultValidator, nil
	}
	cfg, err := st.EnvironConfig()
	if err != nil {
		return nil, err
	}
	validator, err := st.policy.ConstraintsValidator(cfg)
	if errors.IsNotImplemented(err) {
		return defaultValidator, nil
	} else if err != nil {
		return nil, err
	}
	if validator == nil {
		return nil, fmt.Errorf("policy returned nil constraints validator without an error")
	}
	return validator, nil
}
Пример #8
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// ConstraintsValidator is defined on the Environs interface.
func (e *environ) ConstraintsValidator() (constraints.Validator, error) {
	validator := constraints.NewValidator()
	validator.RegisterUnsupported([]string{constraints.CpuPower})
	validator.RegisterConflicts([]string{constraints.InstanceType}, []string{constraints.Mem})
	return validator, nil
}