etcd-dump-db
etcd-dump-db inspects etcd db files.
Installation
Install the tool by running the following command from the etcd source directory.
$ go install -v ./tools/etcd-dump-db
The installation will place executables in the $GOPATH/bin. If $GOPATH environment variable is not set, the tool will be installed into the $HOME/go/bin. You can also find out the installed location by running the following command from the etcd source directory. Make sure that $PATH is set accordingly in your environment.
$ go list -f "{{.Target}}" ./tools/etcd-dump-db
Alternatively, instead of installing the tool, you can use it by simply running the following command from the etcd source directory.
$ go run ./tools/etcd-dump-db
Usage
The following command should output the usage per the latest development.
$ etcd-dump-db --help
An example of usage detail is provided below.
Usage:
etcd-dump-db [command]
Available Commands:
list-bucket bucket lists all buckets.
iterate-bucket iterate-bucket lists key-value pairs in reverse order.
hash hash computes the hash of db file.
Flags:
-h, --help[=false]: help for etcd-dump-db
Use "etcd-dump-db [command] --help" for more information about a command.
list-bucket [data dir or db file path]
Lists all buckets.
$ etcd-dump-db list-bucket agent01/agent.etcd
alarm
auth
authRoles
authUsers
cluster
key
lease
members
members_removed
meta
hash [data dir or db file path]
Computes the hash of db file.
$ etcd-dump-db hash agent01/agent.etcd
db path: agent01/agent.etcd/member/snap/db
Hash: 3700260467
$ etcd-dump-db hash agent02/agent.etcd
db path: agent02/agent.etcd/member/snap/db
Hash: 3700260467
$ etcd-dump-db hash agent03/agent.etcd
db path: agent03/agent.etcd/member/snap/db
Hash: 3700260467
iterate-bucket [data dir or db file path]
Lists key-value pairs in reverse order.
$ etcd-dump-db iterate-bucket agent03/agent.etcd key --limit 3
key="\x00\x00\x00\x00\x005@x_\x00\x00\x00\x00\x00\x00\x00\tt", value="\n\x153640412599896088633_9"
key="\x00\x00\x00\x00\x005@x_\x00\x00\x00\x00\x00\x00\x00\bt", value="\n\x153640412599896088633_8"
key="\x00\x00\x00\x00\x005@x_\x00\x00\x00\x00\x00\x00\x00\at", value="\n\x153640412599896088633_7"