zkwalker
ZkWalker is a recursive zookeeper znode tree walker.
It can be used as a command, or as a library from a go project.
Use as a command
Install the command:
$ go get github.com/igor-kupczynski/zkwalker/cmd/zkwalkerHelp:
$ zkwalker -help
Usage of zkwalker:
-auth string
<username:password> to use as a digest ACL
-print
print the znode content as string
-root string
znode from which to start the walk (default "/")
connection-string
comma separated list of zookeeper servers to connect to: host1:port1,...,hostN:portNPrint znode tree with the content of each of the znodes:
$ zkwalker -auth root:password -print -root /v1 1.2.3.4:2191
/v1
{}
/v1/foo
{}
/v1/foo/xyz
{"xyz": true}
/v1/bar
{}
/v1/bar/abc
{"abc": true}Use as a library
The command zkwalker offers a usage example.
Import the package:
import "github.com/igor-kupczynski/zkwalker/zkwalker"Connect to your zookeeper ensemble:
walker, err := zkwalker.Connect(servers, ..)Call Walk(...). ZnodeProcessor is a function called on each visited znode, while ChildrenProcessor allows customising which children to visit.
err := walker.Walk(root, nodeFn, zkwalker.AllChildren)
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