Golang environs.NewFromAttrs函數代碼示例

func (*OpenSuite) TestNewUnknownEnviron(c *gc.C) {
	attrs := dummySampleConfig().Merge(testing.Attrs{
		"type": "wondercloud",
	})
	env, err := environs.NewFromAttrs(attrs)
	c.Assert(err, gc.ErrorMatches, "no registered provider for.*")
	c.Assert(env, gc.IsNil)
}

func (*OpenSuite) TestNewFromAttrs(c *gc.C) {
	e, err := environs.NewFromAttrs(dummy.SampleConfig().Merge(
		testing.Attrs{
			"state-server": false,
			"name":         "erewhemos",
		},
	))
	c.Assert(err, gc.ErrorMatches, "environment is not prepared")
	c.Assert(e, gc.IsNil)
}

func (s *ConfigDeprecationSuite) setupEnv(c *gc.C, deprecatedKey, value string) {
	s.setupEnvCredentials()
	attrs := testing.FakeConfig().Merge(testing.Attrs{
		"name":           "testenv",
		"type":           "openstack",
		"control-bucket": "x",
		deprecatedKey:    value,
	})
	_, err := environs.NewFromAttrs(attrs)
	c.Assert(err, gc.IsNil)
}

// newConfig creates a MAAS environment config from attributes.
func newConfig(values map[string]interface{}) (*maasModelConfig, error) {
	attrs := testing.FakeConfig().Merge(testing.Attrs{
		"name": "testenv",
		"type": "maas",
	}).Merge(values)
	env, err := environs.NewFromAttrs(attrs)
	if err != nil {
		return nil, err
	}
	return env.(*maasEnviron).ecfg(), nil
}

func (t *LiveTests) SetUpSuite(c *gc.C) {
	t.BaseSuite.SetUpSuite(c)
	t.LiveTests.SetUpSuite(c)
	// TODO: Share code from jujutest.LiveTests for creating environment
	e, err := environs.NewFromAttrs(t.TestConfig)
	c.Assert(err, gc.IsNil)

	// Put some fake tools in place so that tests that are simply
	// starting instances without any need to check if those instances
	// are running will find them in the public bucket.
	envtesting.UploadFakeTools(c, e.Storage())
}

func (*NewConnSuite) TestNewConnWithoutAdminSecret(c *gc.C) {
	cfg, err := config.New(config.NoDefaults, dummy.SampleConfig())
	c.Assert(err, gc.IsNil)
	ctx := coretesting.Context(c)
	env, err := environs.Prepare(cfg, ctx, configstore.NewMem())
	c.Assert(err, gc.IsNil)
	envtesting.UploadFakeTools(c, env.Storage())
	err = bootstrap.Bootstrap(ctx, env, environs.BootstrapParams{})
	c.Assert(err, gc.IsNil)

	attrs := env.Config().AllAttrs()
	delete(attrs, "admin-secret")
	env1, err := environs.NewFromAttrs(attrs)
	c.Assert(err, gc.IsNil)
	conn, err := juju.NewConn(env1)
	c.Check(conn, gc.IsNil)
	c.Assert(err, gc.ErrorMatches, "cannot connect without admin-secret")
}

func (s *localHTTPSServerSuite) TestMustDisableSSLVerify(c *gc.C) {
	// If you don't have ssl-hostname-verification set to false, then we
	// fail to connect to the environment. Copy the attrs used by SetUp and
	// force hostname verification.
	newattrs := make(map[string]interface{}, len(s.attrs))
	for k, v := range s.attrs {
		newattrs[k] = v
	}
	newattrs["ssl-hostname-verification"] = true
	env, err := environs.NewFromAttrs(newattrs)
	c.Assert(err, gc.IsNil)
	err = env.Storage().Put("test-name", strings.NewReader("content"), 7)
	c.Assert(err, gc.ErrorMatches, "(.|\n)*x509: certificate signed by unknown authority")
	// However, it works just fine if you use the one with the credentials set
	err = s.env.Storage().Put("test-name", strings.NewReader("content"), 7)
	c.Assert(err, gc.IsNil)
	_, err = env.Storage().Get("test-name")
	c.Assert(err, gc.ErrorMatches, "(.|\n)*x509: certificate signed by unknown authority")
	reader, err := s.env.Storage().Get("test-name")
	c.Assert(err, gc.IsNil)
	contents, err := ioutil.ReadAll(reader)
	c.Assert(string(contents), gc.Equals, "content")
}

func (*NewConnSuite) TestConnStateDoesNotUpdateExistingSecrets(c *gc.C) {
	attrs := dummy.SampleConfig().Merge(coretesting.Attrs{
		"secret": "pork",
	})
	cfg, err := config.New(config.NoDefaults, attrs)
	c.Assert(err, gc.IsNil)
	ctx := coretesting.Context(c)
	env, err := environs.Prepare(cfg, ctx, configstore.NewMem())
	c.Assert(err, gc.IsNil)
	envtesting.UploadFakeTools(c, env.Storage())
	err = bootstrap.Bootstrap(ctx, env, environs.BootstrapParams{})
	c.Assert(err, gc.IsNil)

	// Make a new Conn, which will push the secrets.
	conn, err := juju.NewConn(env)
	c.Assert(err, gc.IsNil)
	defer assertClose(c, conn)

	// Make another env with a different secret.
	attrs = env.Config().AllAttrs()
	attrs["secret"] = "squirrel"
	env1, err := environs.NewFromAttrs(attrs)
	c.Assert(err, gc.IsNil)

	// Connect with the new env and check that the secret has not changed
	conn, err = juju.NewConn(env1)
	c.Assert(err, gc.IsNil)
	defer assertClose(c, conn)
	cfg, err = conn.State.EnvironConfig()
	c.Assert(err, gc.IsNil)
	c.Assert(cfg.UnknownAttrs()["secret"], gc.Equals, "pork")

	// Reset the admin password so the state db can be reused.
	err = conn.State.SetAdminMongoPassword("")
	c.Assert(err, gc.IsNil)
}