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v0.0.0-...-6175eb3 Latest Latest Go to latest Published: Oct 23, 2017 License: GPL-2.0 Imports: 8 Imported by: 2

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Repository

github.com/HouzuoGuo/HANA-Firewall

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Documentation ¶

Index ¶

Constants
func UniqueSortedInts(in []int) (out []int)
type FirewalldPort
type FirewalldService
- func (svc *FirewalldService) String() string
- func (svc *FirewalldService) ToXML() string
type HANAGlobalParameters
type HANAServiceDefinition

Constants ¶

View Source

const (
	FirewalldProtocolTCP = "tcp"
	FirewalldProtocolUDP = "udp"
)

View Source

const (
	/*
		InstanceNumberSubstitutionMagic is a substring that appears among HANA networks service port definitions.
		The substring serves as a placeholder, the actual port number will be calculated by substituting the placeholder
		by a HANA instance number. For example, given a port definition of "1__INST_NUM__2" and an instance number of 00,
		the calculated port number will be "1002".
	*/
	InstanceNumberSubstitutionMagic = "__INST_NUM__"

	/*
		InstanceNumberPlusOneSubstitutionMagic is a substring that appears among HANA networks service port definitions.
		Similar to InstanceNumberSubstitutionMagic, this placeholder will be substituted by instance number plus one.
	*/
	InstanceNumberPlusOneSubstitutionMagic = "__INST_NUM+1__"

	HANAServiceDefinitionTCPKey  = "TCP"
	HANAServiceDefinitionUDPKey  = "UDP"
	HANAGlobalInstanceNumbersKey = "HANA_INSTANCE_NUMBERS"
)

Variables ¶

This section is empty.

Functions ¶

func UniqueSortedInts ¶

func UniqueSortedInts(in []int) (out []int)

UniqueSortedInts returns unique integers among the input, sorted in ascending order.

Types ¶

type FirewalldPort ¶

type FirewalldPort struct {
	Port     int    `xml:"port,attr"`
	Protocol string `xml:"protocol,attr"`
}

FirewalldPort defines a port to be opened in a service.

type FirewalldService ¶

type FirewalldService struct {
	ShortName   string          `xml:"short"`
	Description string          `xml:"description"`
	Ports       []FirewalldPort `xml:"port"`
}

FirewalldService defines a service with its name, description, and ports.

func (*FirewalldService) String ¶

func (svc *FirewalldService) String() string

String returns firewall service details in an easy to read, indented format.

func (*FirewalldService) ToXML ¶

func (svc *FirewalldService) ToXML() string

ToXML serialised service definition into a complete XML document that includes the XML header.

type HANAGlobalParameters ¶

type HANAGlobalParameters struct {
	InstanceNumbers []string
}

HANAGlobalParameters are settings that come from /etc/sysconfig/hana-firewall.

func (*HANAGlobalParameters) GetPortNumbers ¶

func (global *HANAGlobalParameters) GetPortNumbers(portDefinition string) (ret []int, err error)

GetPortNumbers returns actual service port numbers calculated by expanding definition string with instance number parameter. An error will be returned only if there is a number formatting.

func (*HANAGlobalParameters) MakeFirewalldService ¶

func (global *HANAGlobalParameters) MakeFirewalldService(def *HANAServiceDefinition) (serviceShortName string, svc FirewalldService, err error)

MakeFirewalldService generates firewalld service definition for a single HANA service definition.

func (*HANAGlobalParameters) ReadFrom ¶

func (global *HANAGlobalParameters) ReadFrom(txt *txtparser.Sysconfig)

func (*HANAGlobalParameters) WriteInto ¶

func (global *HANAGlobalParameters) WriteInto(txt *txtparser.Sysconfig)

type HANAServiceDefinition ¶

type HANAServiceDefinition struct {
	FileBaseName string   // FileBaseName is the base name of service definition file.
	TCP          []string // TCP port numbers, each one may include the instance number substitution magic.
	UDP          []string // UDP port numbers, each one may include the instance number substitution magic.
}

HANAServiceDefinition is a HANA network service definition written in a sysconfig-style text file.

func (*HANAServiceDefinition) GetShortName ¶

func (def *HANAServiceDefinition) GetShortName() string

GetShortName returns a linted "short name" that identifies a Firewalld service and its XML file.

func (*HANAServiceDefinition) ReadFrom ¶

func (def *HANAServiceDefinition) ReadFrom(txt *txtparser.Sysconfig)

ReadFromText reads definition content from a sysconfig-style text file.

func (*HANAServiceDefinition) WriteInto ¶

func (def *HANAServiceDefinition) WriteInto(txt *txtparser.Sysconfig)

WriteInto overwrites keys and values of text file with the current definition content.

Source Files ¶

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