Files
zeekay b61441f7d7 Volume: node-local persistent volumes, under our own name
A fork of Rancher's local-path-provisioner at v0.0.36. The behaviour is
unchanged and deliberately so — a directory on the node a pod lands on is
the right thing for a disk. What changes is identity.

The provisioner answers to hanzo.ai/volume rather than rancher.io/local-path.
That is not branding: two provisioners sharing one name race for the same
claims, and a stock k3s carries the upstream one, so a cluster running both
would settle our storage by chance. Data lives at /var/lib/hanzo/volume, so
reading a Hanzo cluster does not mean learning another vendor's directory.

Apache-2.0 as published, unaltered, with Rancher's attribution in NOTICE.

The README says what this is not: durability. A volume here dies with its
node. That is hanzoai/replicate's question, one layer up, and keeping the
two apart is what lets the disk stay this simple.
2026-09-07 17:30:01 -07:00

63 lines
1.7 KiB
Go

/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fields
import (
"sort"
"strings"
)
// Fields allows you to present fields independently from their storage.
type Fields interface {
// Has returns whether the provided field exists.
Has(field string) (exists bool)
// Get returns the value for the provided field.
Get(field string) (value string)
}
// Set is a map of field:value. It implements Fields.
type Set map[string]string
// String returns all fields listed as a human readable string.
// Conveniently, exactly the format that ParseSelector takes.
func (ls Set) String() string {
selector := make([]string, 0, len(ls))
for key, value := range ls {
selector = append(selector, key+"="+value)
}
// Sort for determinism.
sort.StringSlice(selector).Sort()
return strings.Join(selector, ",")
}
// Has returns whether the provided field exists in the map.
func (ls Set) Has(field string) bool {
_, exists := ls[field]
return exists
}
// Get returns the value in the map for the provided field.
func (ls Set) Get(field string) string {
return ls[field]
}
// AsSelector converts fields into a selectors.
func (ls Set) AsSelector() Selector {
return SelectorFromSet(ls)
}