helper

package
v1.59.1 Latest Latest
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Published: Apr 26, 2024 License: Apache-2.0 Imports: 19 Imported by: 12

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Constants

View Source
const (
	DefaultDockerContainerLogMaxFiles = "5"
	DefaultDockerContainerLogMaxSize  = "100m"
)

Variables

This section is empty.

Functions

func CleanupTemplateOutput added in v1.1.6

func CleanupTemplateOutput(output string) (string, error)

CleanupTemplateOutput postprocesses the output of the template processing. Those may exist due to the working of template functions like those of the sprig package or template condition.

func CloudProviderFlags added in v1.1.1

func CloudProviderFlags(cpName string, external bool) string

CloudProviderFlags returns --cloud-provider and --cloud-config flags.

func ContainerRuntimeHealthCheckSystemdUnit added in v0.9.5

func ContainerRuntimeHealthCheckSystemdUnit(log *zap.SugaredLogger, containerRuntime string) (string, error)

ContainerRuntimeHealthCheckSystemdUnit container-runtime health checking systemd unit.

func DockerConfig added in v1.2.0

func DockerConfig(insecureRegistries, registryMirrors []string, logMaxFiles string, logMaxSize string) (string, error)

DockerConfig returns the docker daemon.json.

func DownloadBinariesScript added in v0.9.5

func DownloadBinariesScript(log *zap.SugaredLogger, kubeletVersion string, downloadKubelet bool) (string, error)

DownloadBinariesScript returns the script which is responsible to download all required binaries.

func GetCACert

func GetCACert(kubeconfig *clientcmdapi.Config) (string, error)

func JournalDConfig added in v0.9.5

func JournalDConfig() string

JournalDConfig returns the journal config preferable on every node.

func KernelSettings added in v0.9.5

func KernelSettings() string

KernelSettings returns the list of kernel settings required for a kubernetes worker node inotify changes according to https://github.com/kubernetes/kubernetes/issues/10421 - better than letting the kubelet die.

func KubeletFlags added in v0.9.5

func KubeletFlags(log *zap.SugaredLogger, version, cloudProvider, hostname string, dnsIPs []net.IP, external bool, ipFamily util.IPFamily, pauseImage string, initialTaints []corev1.Taint, extraKubeletFlags []string) (string, error)

KubeletFlags returns the kubelet flags. --node-ip and --cloud-provider kubelet flags conflict in the dualstack setup. In general, it is not expected to need to use --node-ip with external CCMs, as the cloud provider is expected to know the correct IPs to return. For details read kubernetes/sig-networking channel discussion https://kubernetes.slack.com/archives/C09QYUH5W/p1654003958331739

func KubeletHealthCheckSystemdUnit added in v0.9.5

func KubeletHealthCheckSystemdUnit() string

KubeletHealthCheckSystemdUnit kubelet health checking systemd unit.

func KubeletSystemdUnit added in v0.9.5

func KubeletSystemdUnit(log *zap.SugaredLogger, containerRuntime, kubeletVersion, cloudProvider, hostname string, dnsIPs []net.IP, external bool, ipFamily util.IPFamily, pauseImage string, initialTaints []corev1.Taint, extraKubeletFlags []string, disableSwap bool) (string, error)

KubeletSystemdUnit returns the systemd unit for the kubelet.

func LoadKernelModulesScript added in v1.5.3

func LoadKernelModulesScript() string

LoadKernelModules returns a script which is responsible for loading all required kernel modules The nf_conntrack_ipv4 module get removed in newer kernel versions.

func ProxyEnvironment added in v1.2.0

func ProxyEnvironment(proxy, noProxy string) string

func SSHConfigAddendum added in v1.31.0

func SSHConfigAddendum() string

func SafeDownloadBinariesScript added in v1.14.0

func SafeDownloadBinariesScript(log *zap.SugaredLogger, kubeVersion string) (string, error)

SafeDownloadBinariesScript returns the script which is responsible to download and check checksums of all required binaries.

func SetupNodeIPEnvScript added in v1.14.2

func SetupNodeIPEnvScript(ipFamily util.IPFamily) string

func StringifyKubeconfig

func StringifyKubeconfig(kubeconfig *clientcmdapi.Config) (string, error)

StringifyKubeconfig marshals a kubeconfig to its text form.

func TxtFuncMap added in v0.9.5

func TxtFuncMap(log *zap.SugaredLogger) template.FuncMap

TxtFuncMap returns an aggregated template function map. Currently (custom functions + sprig).

Types

This section is empty.

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