bc-agent – service config etcd
This is a configuration service that connects to a etcd distributed key value store using the v2 protocol.
Environment variables
| BEYONDCRON_CONFIG_SERVICE | ETCD |
| ETCD_DIR | etcd directory in which BeyondCron will read/write key/value pairs. |
| ETCD_ENDPOINTS | Space separated list for etcd servers to connect to. Default = http://localhost:2379/ |
| ETCD_PROTOCOL | Protocol on which the etcd endpoints are listening on. This value is used for any servers listed in ETCD_ENDPOINTS that do not include a protocol. Default = http |
| ETCD_PORT | Port on which the etcd endpoints are listening. This value is used for any servers listed in ETCD_ENDPOINTS that do not include a port. Default = 2379 |
| ETCD_USER_NAME | name of user to authenticate with the etcd servers as. If not defined, BeyondCron will attempt an unauthenticated connection to the etcd Servers. |
| ETCD_USER_PASSWORD | password of the etcd authentication user. If the password is in the format file:filename, then the password will be read from filename. Default is no password. |
Examples
Set up an unauthenticated connection to etcd.
$ export ETCD_ENDPOINTS=etcd1.example.com etcd2.example.com
$ export ETCD_DIR=bc-config
$ export BEYONDCRON_CONFIG_SERVICE=ETCD
$ /opt/bc-agent/bin/bc-agent
…
Set up an authenticated connection to etcd.
$ export ETCD_ENDPOINTS=etcd.example.com
$ export ETCD_DIR=bc-config
$ export ETCD_USER_NAME=beydoncron
$ export ETCD_USER_PASSWORD=Battery…
$ export BEYONDCRON_CONFIG_SERVICE=ETCD
$ /opt/bc-agent/bin/bc-agent
…
Set up connection to etcd with the password being read from a file.
$ export ETCD_ENDPOINTS=etcd.example.com
$ export ETCD_DIR=bc-config
$ export ETCD_USER_NAME=beydoncron
$ export ETCD_USER_PASSWORD=file:/home/bc-daemon/.etcd/beyondcron-password
$ export BEYONDCRON_CONFIG_SERVICE=ETCD
$ /opt/bc-agent/bin/bc-agent
…
See also
Reference
- Cloud Native Computing Foundation etcd