util

package
v0.28.0-alpha.1 Latest Latest
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Published: May 31, 2023 License: Apache-2.0 Imports: 16 Imported by: 33

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Constants

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Variables

This section is empty.

Functions

func GetHostname added in v0.27.0

func GetHostname(hostnameOverride string) (string, error)

GetHostname returns OS's hostname if 'hostnameOverride' is empty; otherwise, it returns 'hostnameOverride'. In either case, the value is canonicalized (trimmed and lowercased).

func GetNodeCondition

func GetNodeCondition(status *v1.NodeStatus, conditionType v1.NodeConditionType) (int, *v1.NodeCondition)

GetNodeCondition extracts the provided condition from the given status and returns that. Returns nil and -1 if the condition is not present, and the index of the located condition.

func ParseNodeIPAnnotation added in v0.27.0

func ParseNodeIPAnnotation(nodeIP string, allowDualStack bool) ([]net.IP, error)

ParseNodeIPAnnotation parses the `alpha.kubernetes.io/provided-node-ip` annotation, which can be either a single IP address or (if allowDualStack is true) a comma-separated pair of IP addresses. Unlike with ParseNodeIPArgument, invalid values are considered an error.

func ParseNodeIPArgument added in v0.27.0

func ParseNodeIPArgument(nodeIP, cloudProvider string, allowCloudDualStack bool) ([]net.IP, error)

ParseNodeIPArgument parses kubelet's --node-ip argument. If nodeIP contains invalid values, they will be logged and ignored. Dual-stack node IPs are allowed if cloudProvider is unset, or if it is `"external"` and allowCloudDualStack is true.

func PatchNodeCIDRs

func PatchNodeCIDRs(c clientset.Interface, node types.NodeName, cidrs []string) error

PatchNodeCIDRs patches the specified node.CIDR=cidrs[0] and node.CIDRs to the given value.

func PatchNodeStatus

func PatchNodeStatus(c v1core.CoreV1Interface, nodeName types.NodeName, oldNode *v1.Node, newNode *v1.Node) (*v1.Node, []byte, error)

PatchNodeStatus patches node status.

func SetNodeCondition

func SetNodeCondition(c clientset.Interface, node types.NodeName, condition v1.NodeCondition) error

SetNodeCondition updates specific node condition with patch operation.

Types

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