util

package
v2.2.2 Latest Latest
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 Go to latest Published: Feb 15, 2024 License: MIT Imports: 101 Imported by: 2

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AddAllowFirewallRule 

func AddAllowFirewallRule()

func AllContainerIsRunning 

func AllContainerIsRunning(pod *corev1.Pod) bool

func BytesToInt 

func BytesToInt(b []byte) uint32

func CanI 

func CanI(clientset *kubernetes.Clientset, sa, ns string, resource *rbacv1.PolicyRule) (allowed bool, err error)

func CleanExtensionLib 

func CleanExtensionLib()

func ConvertToKubeconfigBytes 

func ConvertToKubeconfigBytes(factory cmdutil.Factory) ([]byte, string, error)

func ConvertToTempKubeconfigFile 

func ConvertToTempKubeconfigFile(kubeconfigBytes []byte) (string, error)

func Deduplicate 

func Deduplicate(cidr []*net.IPNet) (result []*net.IPNet)

func DeleteAllowFirewallRule 

func DeleteAllowFirewallRule()

func DeleteBlockFirewallRule 

func DeleteBlockFirewallRule(_ context.Context)

func DialSshRemote 

func DialSshRemote(ctx context.Context, conf *SshConfig) (*ssh.Client, error)

DialSshRemote https://github.com/golang/go/issues/21478

func DoReq 

func DoReq(request *http.Request) (body []byte, err error)

func Download 

func Download(client *http.Client, url string, filename string, stdout, stderr io.Writer) error

https://api.github.com/repos/kubenetworks/kubevpn/releases https://github.com/kubenetworks/kubevpn/releases/download/v1.1.13/kubevpn-windows-arm64.exe

func FindAllowFirewallRule 

func FindAllowFirewallRule() bool

func FindContainerByName added in v2.2.2 

func FindContainerByName(pod *corev1.Pod, name string) (*corev1.Container, int)

func FindContainerEnv added in v2.2.2 

func FindContainerEnv(container *corev1.Container, key string) (value string, found bool)

func GetAnnotation 

func GetAnnotation(f util.Factory, ns string, resources string) (map[string]string, error)

func GetAvailableTCPPortOrDie 

func GetAvailableTCPPortOrDie() (int, error)

func GetAvailableUDPPortOrDie 

func GetAvailableUDPPortOrDie() (int, error)

func GetCIDRElegant 

func GetCIDRElegant(clientset *kubernetes.Clientset, restclient *rest.RESTClient, restconfig *rest.Config, namespace string) (result []*net.IPNet, err1 error)

GetCIDRElegant 1) dump cluster info 2) grep cmdline 3) create svc + cat *.conflist 4) create svc + get pod ip with svc mask

func GetCIDRFromResourceUgly 

func GetCIDRFromResourceUgly(clientset *kubernetes.Clientset, namespace string) ([]*net.IPNet, error)

GetCIDRFromResourceUgly use podIP/24 and serviceIP/16 as cidr

func GetClient 

func GetClient() (*client.Client, *command.DockerCli, error)

func GetClusterId 

func GetClusterId(client v12.ConfigMapInterface) (types.UID, error)

func GetDNSIPFromDnsPod 

func GetDNSIPFromDnsPod(clientset *kubernetes.Clientset) (ips []string, err error)

func GetDNSServiceIPFromPod 

func GetDNSServiceIPFromPod(clientset *kubernetes.Clientset, restclient *rest.RESTClient, config *rest.Config, podName, namespace string) (*dns.ClientConfig, error)

func GetEnv 

func GetEnv(ctx context.Context, f util.Factory, ns, pod string) (map[string][]string, error)

func GetIPBaseNic 

func GetIPBaseNic() (*net.IPNet, error)

func GetKrb5Path 

func GetKrb5Path() string

func GetKubeconfigPath 

func GetKubeconfigPath(f cmdutil.Factory) string

func GetLocalTunIP 

func GetLocalTunIP(tunName string) (net.IP, net.IP, error)

func GetManifest 

func GetManifest(httpCli *http.Client, os string, arch string) (version string, commit string, url string, err error)

func GetPodTemplateSpecPath 

func GetPodTemplateSpecPath(u *unstructured.Unstructured) (*v1.PodTemplateSpec, []string, error)

func GetTlsDomain 

func GetTlsDomain(namespace string) string

func GetTopOwnerReference 

func GetTopOwnerReference(factory util.Factory, namespace, workload string) (*resource.Info, error)

func GetTopOwnerReferenceBySelector 

func GetTopOwnerReferenceBySelector(factory util.Factory, namespace, selector string) (sets.Set[string], error)

GetTopOwnerReferenceBySelector assume pods, controller has same labels

func GetTunDevice 

func GetTunDevice(ips ...net.IP) (*net.Interface, error)

func GetTunDeviceByConn 

func GetTunDeviceByConn(tun net.Conn) (*net.Interface, error)

func GetUnstructuredObject 

func GetUnstructuredObject(f util.Factory, namespace string, workloads string) (*resource.Info, error)

func GetUnstructuredObjectBySelector 

func GetUnstructuredObjectBySelector(f util.Factory, namespace string, selector string) ([]*resource.Info, error)

func GetUnstructuredObjectList 

func GetUnstructuredObjectList(f util.Factory, namespace string, workloads []string) ([]*resource.Info, error)

func Heartbeats 

func Heartbeats()

func InitLogger 

func InitLogger(debug bool)

func InitLoggerForServer added in v2.2.2 

func InitLoggerForServer(debug bool)

func IsAdmin 

func IsAdmin() bool

func IsIPv4 

func IsIPv4(packet []byte) bool

func IsIPv6 

func IsIPv6(packet []byte) bool

func IsPortListening 

func IsPortListening(port int) bool

func IsSameCluster 

func IsSameCluster(client v12.ConfigMapInterface, namespace string, clientB v12.ConfigMapInterface, namespaceB string) (bool, error)

func IsWindows 

func IsWindows() bool

func Merge 

func Merge[K comparable, V any](fromMap, ToMap map[K]V) map[K]V

func MoveToTemp 

func MoveToTemp()

func Ping 

func Ping(targetIP string) (bool, error)

func PortForwardPod 

func PortForwardPod(config *rest.Config, clientset *rest.RESTClient, podName, namespace string, portPair []string, readyChan chan struct{}, stopChan <-chan struct{}) error

func PortMap added in v2.2.2 

func PortMap(ctx context.Context, sshClient *ssh.Client, remoteEndpoint, localEndpoint netip.AddrPort, done chan struct{}) error

func PortMapUntil added in v2.2.2 

func PortMapUntil(ctx context.Context, cli *ssh.Client, remote, local netip.AddrPort) error

func Print 

func Print(writer io.Writer, slogan string)

func PrintStatus 

func PrintStatus(pod *corev1.Pod, writer io.Writer)

func PrintStatusInline 

func PrintStatusInline(pod *corev1.Pod) string

func PullImage 

func PullImage(ctx context.Context, platform *v1.Platform, cli *client.Client, c *command.DockerCli, img string, out io.Writer) error

func RemoteRun 

func RemoteRun(client *ssh.Client, cmd string, env map[string]string) (output []byte, errOut []byte, err error)

func RolloutStatus 

func RolloutStatus(ctx1 context.Context, factory cmdutil.Factory, namespace, workloads string, timeout time.Duration) (err error)

func RunCmd 

func RunCmd(exe string, args []string) error

func RunCmdWithElevated 

func RunCmdWithElevated(exe string, args []string) error

func RunWithElevated 

func RunWithElevated()

func RunWithRollingOutWithChecker 

func RunWithRollingOutWithChecker(cmd *osexec.Cmd, checker func(log string)) (string, string, error)

func RunningInContainer 

func RunningInContainer() bool

RunningInContainer returns true if the current process runs from inside a docker container.

func SCP 

func SCP(client *ssh.Client, stdout, stderr io.Writer, filename, to string) error

SCP https://blog.neilpang.com/%E6%94%B6%E8%97%8F-scp-secure-copy%E5%8D%8F%E8%AE%AE/

func SCPAndExec added in v2.2.2 

func SCPAndExec(stdout, stderr io.Writer, client *ssh.Client, filename, to string, commands ...string) error

SCPAndExec copy file to remote and exec command

func Shell 

func Shell(clientset *kubernetes.Clientset, restclient *rest.RESTClient, config *rest.Config, podName, containerName, namespace string, cmd []string) (string, error)

func StartupPProf 

func StartupPProf(port int)

func TransferImage 

func TransferImage(ctx context.Context, conf *SshConfig, imageSource, imageTarget string, out io.Writer) error

TransferImage 1) if not special ssh config, just pull image and tag and push 2) if special ssh config, pull image, tag image, save image and scp image to remote, load image and push

func UnzipKubeVPNIntoFile 

func UnzipKubeVPNIntoFile(zipFile, filename string) error

func WaitPod 

func WaitPod(podInterface v12.PodInterface, list v1.ListOptions, checker func(*corev1.Pod) bool) error

func WaitPodToBeReady 

func WaitPodToBeReady(ctx context.Context, podInterface v12.PodInterface, selector v1.LabelSelector) error

func WaitPortToBeFree 

func WaitPortToBeFree(ctx context.Context, port int) error

Types

type AssetsEntity 

type AssetsEntity struct {
	Url                string         `json:"url"`
	Id                 int64          `json:"id"`
	NodeId             string         `json:"node_id"`
	Name               string         `json:"name"`
	Label              string         `json:"label"`
	Uploader           UploaderEntity `json:"uploader"`
	ContentType        string         `json:"content_type"`
	State              string         `json:"state"`
	Size               int64          `json:"size"`
	DownloadCount      int64          `json:"download_count"`
	CreatedAt          string         `json:"created_at"`
	UpdatedAt          string         `json:"updated_at"`
	BrowserDownloadUrl string         `json:"browser_download_url"`
}

type AuthorEntity 

type AuthorEntity struct {
	Login             string `json:"login"`
	Id                int64  `json:"id"`
	NodeId            string `json:"node_id"`
	AvatarUrl         string `json:"avatar_url"`
	GravatarId        string `json:"gravatar_id"`
	Url               string `json:"url"`
	HtmlUrl           string `json:"html_url"`
	FollowersUrl      string `json:"followers_url"`
	FollowingUrl      string `json:"following_url"`
	GistsUrl          string `json:"gists_url"`
	StarredUrl        string `json:"starred_url"`
	SubscriptionsUrl  string `json:"subscriptions_url"`
	OrganizationsUrl  string `json:"organizations_url"`
	ReposUrl          string `json:"repos_url"`
	EventsUrl         string `json:"events_url"`
	ReceivedEventsUrl string `json:"received_events_url"`
	Type              string `json:"type"`
	SiteAdmin         bool   `json:"site_admin"`
}

type ForwardedPort 

type ForwardedPort struct {
	Local  uint16
	Remote uint16
}

ForwardedPort contains a Local:Remote port pairing.

type Krb5ClientState 

type Krb5ClientState int
const (
	ContextFlagREADY = 128
	/* initiator states */
	InitiatorStart Krb5ClientState = iota
	InitiatorRestart
	InitiatorWaitForMutal
	InitiatorReady
)

type Krb5InitiatorClient 

type Krb5InitiatorClient struct {
	// contains filtered or unexported fields
}

func NewKrb5InitiatorClientWithCache 

func NewKrb5InitiatorClientWithCache(krb5Conf, cacheFile string) (kcl Krb5InitiatorClient, err error)

func NewKrb5InitiatorClientWithKeytab 

func NewKrb5InitiatorClientWithKeytab(username string, krb5Conf, keytabConf string) (kcl Krb5InitiatorClient, err error)

func NewKrb5InitiatorClientWithPassword 

func NewKrb5InitiatorClientWithPassword(username, password, krb5Conf string) (kcl Krb5InitiatorClient, err error)

func (*Krb5InitiatorClient) DeleteSecContext 

func (k *Krb5InitiatorClient) DeleteSecContext() error

func (*Krb5InitiatorClient) GetMIC 

func (k *Krb5InitiatorClient) GetMIC(micFiled []byte) ([]byte, error)

func (*Krb5InitiatorClient) InitSecContext 

func (k *Krb5InitiatorClient) InitSecContext(target string, token []byte, isGSSDelegCreds bool) ([]byte, bool, error)

type PodRouteConfig 

type PodRouteConfig struct {
	LocalTunIPv4 string
	LocalTunIPv6 string
}

type PortForwarder 

type PortForwarder struct {
	Ready chan struct{}
	// contains filtered or unexported fields
}

PortForwarder knows how to listen for local connections and forward them to a remote pod via an upgraded HTTP request.

func NewOnAddresses 

func NewOnAddresses(dialer httpstream.Dialer, addresses []string, ports []string, stopChan <-chan struct{}, readyChan chan struct{}, out, errOut io.Writer) (*PortForwarder, error)

NewOnAddresses creates a new PortForwarder with custom listen addresses.

func (*PortForwarder) Close 

func (pf *PortForwarder) Close()

Close stops all listeners of PortForwarder.

func (*PortForwarder) ForwardPorts 

func (pf *PortForwarder) ForwardPorts() error

ForwardPorts formats and executes a port forwarding request. The connection will remain open until stopChan is closed.

func (*PortForwarder) GetPorts 

func (pf *PortForwarder) GetPorts() ([]ForwardedPort, error)

GetPorts will return the ports that were forwarded; this can be used to retrieve the locally-bound port in cases where the input was port 0. This function will signal an error if the Ready channel is nil or if the listeners are not ready yet; this function will succeed after the Ready channel has been closed.

type ReactionsEntity 

type ReactionsEntity struct {
	Url        string `json:"url"`
	TotalCount int64  `json:"total_count"`
	Normal1    int64  `json:"+1"`
	Normal11   int64  `json:"-1"`
	Laugh      int64  `json:"laugh"`
	Hooray     int64  `json:"hooray"`
	Confused   int64  `json:"confused"`
	Heart      int64  `json:"heart"`
	Rocket     int64  `json:"rocket"`
	Eyes       int64  `json:"eyes"`
}

type RootEntity 

type RootEntity struct {
	Url             string          `json:"url"`
	AssetsUrl       string          `json:"assets_url"`
	UploadUrl       string          `json:"upload_url"`
	HtmlUrl         string          `json:"html_url"`
	Id              int64           `json:"id"`
	NodeId          string          `json:"node_id"`
	TagName         string          `json:"tag_name"`
	TargetCommitish string          `json:"target_commitish"`
	Name            string          `json:"name"`
	Draft           bool            `json:"draft"`
	Prerelease      bool            `json:"prerelease"`
	CreatedAt       string          `json:"created_at"`
	PublishedAt     string          `json:"published_at"`
	Assets          []AssetsEntity  `json:"assets"`
	TarballUrl      string          `json:"tarball_url"`
	ZipballUrl      string          `json:"zipball_url"`
	Body            string          `json:"body"`
	Reactions       ReactionsEntity `json:"reactions"`
}

type SshConfig 

type SshConfig struct {
	Addr             string
	User             string
	Password         string
	Keyfile          string
	ConfigAlias      string
	RemoteKubeconfig string
	// GSSAPI
	GSSAPIKeytabConf string
	GSSAPIPassword   string
	GSSAPICacheFile  string
}

func ParseSshFromRPC 

func ParseSshFromRPC(sshJump *rpc.SshJump) *SshConfig

func (*SshConfig) ToRPC 

func (s *SshConfig) ToRPC() *rpc.SshJump

type UploaderEntity 

type UploaderEntity struct {
	Login             string `json:"login"`
	Id                int64  `json:"id"`
	NodeId            string `json:"node_id"`
	AvatarUrl         string `json:"avatar_url"`
	GravatarId        string `json:"gravatar_id"`
	Url               string `json:"url"`
	HtmlUrl           string `json:"html_url"`
	FollowersUrl      string `json:"followers_url"`
	FollowingUrl      string `json:"following_url"`
	GistsUrl          string `json:"gists_url"`
	StarredUrl        string `json:"starred_url"`
	SubscriptionsUrl  string `json:"subscriptions_url"`
	OrganizationsUrl  string `json:"organizations_url"`
	ReposUrl          string `json:"repos_url"`
	EventsUrl         string `json:"events_url"`
	ReceivedEventsUrl string `json:"received_events_url"`
	Type              string `json:"type"`
	SiteAdmin         bool   `json:"site_admin"`
}

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