Golang hashcode.String函数代码示例

func resourceConsulKeysHash(v interface{}) int {
	var buf bytes.Buffer
	m := v.(map[string]interface{})
	buf.WriteString(fmt.Sprintf("%s-", m["name"].(string)))
	buf.WriteString(fmt.Sprintf("%s-", m["path"].(string)))
	return hashcode.String(buf.String())
}

func resourceAwsEniAttachmentHash(v interface{}) int {
	var buf bytes.Buffer
	m := v.(map[string]interface{})
	buf.WriteString(fmt.Sprintf("%s-", m["instance"].(string)))
	buf.WriteString(fmt.Sprintf("%d-", m["device_index"].(int)))
	return hashcode.String(buf.String())
}

func resourceAwsNetworkAclEntryHash(v interface{}) int {
	var buf bytes.Buffer
	m := v.(map[string]interface{})
	buf.WriteString(fmt.Sprintf("%d-", m["from_port"].(int)))
	buf.WriteString(fmt.Sprintf("%d-", m["to_port"].(int)))
	buf.WriteString(fmt.Sprintf("%d-", m["rule_no"].(int)))
	buf.WriteString(fmt.Sprintf("%s-", m["action"].(string)))

	// The AWS network ACL API only speaks protocol numbers, and that's
	// all we store. Never hash a protocol name.
	protocol := m["protocol"].(string)
	if _, err := strconv.Atoi(m["protocol"].(string)); err != nil {
		// We're a protocol name. Look up the number.
		buf.WriteString(fmt.Sprintf("%d-", protocolIntegers()[protocol]))
	} else {
		// We're a protocol number. Pass the value through.
		buf.WriteString(fmt.Sprintf("%s-", protocol))
	}

	buf.WriteString(fmt.Sprintf("%s-", m["cidr_block"].(string)))

	if v, ok := m["ssl_certificate_id"]; ok {
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}

	if v, ok := m["icmp_type"]; ok {
		buf.WriteString(fmt.Sprintf("%d-", v.(int)))
	}
	if v, ok := m["icmp_code"]; ok {
		buf.WriteString(fmt.Sprintf("%d-", v.(int)))
	}

	return hashcode.String(buf.String())
}

func writeV1BlockDevice(
	is *terraform.InstanceState, oldBd map[string]string) error {
	code := hashcode.String(oldBd["device_name"])
	bdType := "ebs_block_device"
	if vn, ok := oldBd["virtual_name"]; ok && strings.HasPrefix(vn, "ephemeral") {
		bdType = "ephemeral_block_device"
	} else if dn, ok := oldBd["device_name"]; ok && dn == "/dev/sda1" {
		bdType = "root_block_device"
	}

	switch bdType {
	case "ebs_block_device":
		delete(oldBd, "virtual_name")
	case "root_block_device":
		delete(oldBd, "virtual_name")
		delete(oldBd, "encrypted")
		delete(oldBd, "snapshot_id")
	case "ephemeral_block_device":
		delete(oldBd, "delete_on_termination")
		delete(oldBd, "encrypted")
		delete(oldBd, "iops")
		delete(oldBd, "volume_size")
		delete(oldBd, "volume_type")
	}
	for attr, val := range oldBd {
		attrKey := fmt.Sprintf("%s.%d.%s", bdType, code, attr)
		is.Attributes[attrKey] = val
	}

	countAttr := fmt.Sprintf("%s.#", bdType)
	count, _ := strconv.Atoi(is.Attributes[countAttr])
	is.Attributes[countAttr] = strconv.Itoa(count + 1)
	return nil
}

// HashResource hashes complex structures that are described using
// a *Resource. This is the default set implementation used when a set's
// element type is a full resource.
func HashResource(resource *Resource) SchemaSetFunc {
	return func(v interface{}) int {
		var buf bytes.Buffer
		SerializeResourceForHash(&buf, v, resource)
		return hashcode.String(buf.String())
	}
}

func resourceAwsRouteTableHash(v interface{}) int {
	var buf bytes.Buffer
	m := v.(map[string]interface{})

	if v, ok := m["cidr_block"]; ok {
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}

	if v, ok := m["gateway_id"]; ok {
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}

	natGatewaySet := false
	if v, ok := m["nat_gateway_id"]; ok {
		natGatewaySet = v.(string) != ""
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}

	instanceSet := false
	if v, ok := m["instance_id"]; ok {
		instanceSet = v.(string) != ""
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}

	if v, ok := m["vpc_peering_connection_id"]; ok {
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}

	if v, ok := m["network_interface_id"]; ok && !(instanceSet || natGatewaySet) {
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}

	return hashcode.String(buf.String())
}

func resourceDockerIpamConfigHash(v interface{}) int {
	var buf bytes.Buffer
	m := v.(map[string]interface{})

	if v, ok := m["subnet"]; ok {
		buf.WriteString(fmt.Sprintf("%v-", v.(string)))
	}

	if v, ok := m["ip_range"]; ok {
		buf.WriteString(fmt.Sprintf("%v-", v.(string)))
	}

	if v, ok := m["gateway"]; ok {
		buf.WriteString(fmt.Sprintf("%v-", v.(string)))
	}

	if v, ok := m["aux_address"]; ok {
		auxAddress := v.(map[string]interface{})

		keys := make([]string, len(auxAddress))
		i := 0
		for k, _ := range auxAddress {
			keys[i] = k
			i++
		}
		sort.Strings(keys)

		for _, k := range keys {
			buf.WriteString(fmt.Sprintf("%v-%v-", k, auxAddress[k].(string)))
		}
	}

	return hashcode.String(buf.String())
}

func resourceAwsElasticacheSubnetGroup() *schema.Resource {
	return &schema.Resource{
		Create: resourceAwsElasticacheSubnetGroupCreate,
		Read:   resourceAwsElasticacheSubnetGroupRead,
		Update: resourceAwsElasticacheSubnetGroupUpdate,
		Delete: resourceAwsElasticacheSubnetGroupDelete,

		Schema: map[string]*schema.Schema{
			"description": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
			},
			"name": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
				StateFunc: func(val interface{}) string {
					// Elasticache normalizes subnet names to lowercase,
					// so we have to do this too or else we can end up
					// with non-converging diffs.
					return strings.ToLower(val.(string))
				},
			},
			"subnet_ids": &schema.Schema{
				Type:     schema.TypeSet,
				Required: true,
				Elem:     &schema.Schema{Type: schema.TypeString},
				Set: func(v interface{}) int {
					return hashcode.String(v.(string))
				},
			},
		},
	}
}

func resourceAwsElasticacheSecurityGroup() *schema.Resource {
	return &schema.Resource{
		Create: resourceAwsElasticacheSecurityGroupCreate,
		Read:   resourceAwsElasticacheSecurityGroupRead,
		Delete: resourceAwsElasticacheSecurityGroupDelete,

		Schema: map[string]*schema.Schema{
			"description": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},
			"name": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},
			"security_group_names": &schema.Schema{
				Type:     schema.TypeSet,
				Required: true,
				ForceNew: true,
				Elem:     &schema.Schema{Type: schema.TypeString},
				Set: func(v interface{}) int {
					return hashcode.String(v.(string))
				},
			},
		},
	}
}

func resourceAwsVpcEndpoint() *schema.Resource {
	return &schema.Resource{
		Create: resourceAwsVPCEndpointCreate,
		Read:   resourceAwsVPCEndpointRead,
		Update: resourceAwsVPCEndpointUpdate,
		Delete: resourceAwsVPCEndpointDelete,
		Schema: map[string]*schema.Schema{
			"policy": &schema.Schema{
				Type:      schema.TypeString,
				Optional:  true,
				Computed:  true,
				StateFunc: normalizeJson,
			},
			"vpc_id": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},
			"service_name": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},
			"route_table_ids": &schema.Schema{
				Type:     schema.TypeSet,
				Optional: true,
				Elem:     &schema.Schema{Type: schema.TypeString},
				Set: func(v interface{}) int {
					return hashcode.String(v.(string))
				},
			},
		},
	}
}

func resourceComputeInstancePersonalityHash(v interface{}) int {
	var buf bytes.Buffer
	m := v.(map[string]interface{})
	buf.WriteString(fmt.Sprintf("%s-", m["file"].(string)))

	return hashcode.String(buf.String())
}

func resourceComputeVolumeAttachmentHash(v interface{}) int {
	var buf bytes.Buffer
	m := v.(map[string]interface{})
	buf.WriteString(fmt.Sprintf("%s-", m["volume_id"].(string)))

	return hashcode.String(buf.String())
}

// HashSchema hashes values that are described using a *Schema. This is the
// default set implementation used when a set's element type is a single
// schema.
func HashSchema(schema *Schema) SchemaSetFunc {
	return func(v interface{}) int {
		var buf bytes.Buffer
		SerializeValueForHash(&buf, v, schema)
		return hashcode.String(buf.String())
	}
}

func resourceGoogleComputeBackendServiceBackendHash(v interface{}) int {
	if v == nil {
		return 0
	}

	var buf bytes.Buffer
	m := v.(map[string]interface{})

	buf.WriteString(fmt.Sprintf("%s-", m["group"].(string)))

	if v, ok := m["balancing_mode"]; ok {
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}
	if v, ok := m["capacity_scaler"]; ok {
		buf.WriteString(fmt.Sprintf("%f-", v.(float64)))
	}
	if v, ok := m["description"]; ok {
		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
	}
	if v, ok := m["max_rate"]; ok {
		buf.WriteString(fmt.Sprintf("%d-", int64(v.(int))))
	}
	if v, ok := m["max_rate_per_instance"]; ok {
		buf.WriteString(fmt.Sprintf("%f-", v.(float64)))
	}
	if v, ok := m["max_rate_per_instance"]; ok {
		buf.WriteString(fmt.Sprintf("%f-", v.(float64)))
	}

	return hashcode.String(buf.String())
}

func resourceDockerVolumesHash(v interface{}) int {
	var buf bytes.Buffer
	m := v.(map[string]interface{})

	if v, ok := m["from_container"]; ok {
		buf.WriteString(fmt.Sprintf("%v-", v.(string)))
	}

	if v, ok := m["container_path"]; ok {
		buf.WriteString(fmt.Sprintf("%v-", v.(string)))
	}

	if v, ok := m["host_path"]; ok {
		buf.WriteString(fmt.Sprintf("%v-", v.(string)))
	}

	if v, ok := m["volume_name"]; ok {
		buf.WriteString(fmt.Sprintf("%v-", v.(string)))
	}

	if v, ok := m["read_only"]; ok {
		buf.WriteString(fmt.Sprintf("%v-", v.(bool)))
	}

	return hashcode.String(buf.String())
}