Unit environment variables
These variables are available to charms during hook execution.
JUJU_ACTION_NAME
The name of the currently executing action
JUJU_ACTION_NAME=backup
JUJU_ACTION_TAG
A concatenation of JUJU_ACTION_UUID and the word ‘action’.
JUJU_ACTION_TAG=action-97db750c-c7d7-47a4-8b57-9cc3e85f8153
JUJU_ACTION_UUID
The current UUID of the executing action.
JUJU_ACTION_UUID=97db750c-c7d7-47a4-8b57-9cc3e85f8153
JUJU_API_ADDRESSES
A space-separated list of API servers.
JUJU_API_ADDRESSES=10.10.10.1:17070
JUJU_AGENT_SOCKET
The socket that the unit agent uses to communicate with individual Units.
JUJU_AGENT_SOCKET=@/var/lib/juju/agents/unit-postgresql-0/agent.socket
JUJU_AVAILABILITY_ZONE
The availability zone for the unit being executed.
JUJU_CHARM_DIR
The path to the currently executing charm directory.
JUJU_CHARM_DIR=/var/lib/juju/agents/unit-postgresql-0/charm
JUJU_CONTEXT_ID
Used by Juju to communicate to ask a running agent to execute a command on Juju’s behalf.
JUJU_CONTEXT_ID=postgresql/0:db-relation-joined:34317605475203611
JUJU_DEBUG
The temporary directory where juju debug-hooks is spawned from.
JUJU_DEBUG=/tmp/tmp.vGQlc2bTcV
JUJU_MODEL_NAME
The human-friendly name of the current model.
JUJU_MODEL_NAME=default
JUJU_MODEL_UUID
The unique identifier of the juju model.
JUJU_MODEL_UUID=2c0896ce-fd6c-4647-8540-26f848e061f9
JUJU_HOOK_NAME
The name of the hook being executed.
JUJU_HOOK_NAME=db-relation-joined
JUJU_MACHINE_ID
The ID of the machine that’s currently executing the hook.
JUJU_MACHINE_ID=1
JUJU_RELATION
The relation name being executed.
JUJU_RELATION=db
JUJU_RELATION_ID
The ID of the relation being executed.
JUJU_RELATION_ID=db:20
JUJU_REMOTE_UNIT
The name of the current related unit.
JUJU_REMOTE_UNIT=reddit/0
JUJU_UNIT_NAME
The name of the local unit being executed.
JUJU_UNIT_NAME=vanilla/0
JUJU_VERSION
The version of the Juju unit agent.
JUJU_VERSION=2.4.1
JUJU_TARGET_SERIES
The Ubuntu series currently being upgraded to. This is only set where executing a pre-series-upgrade hook.
JUJU_TARGET_SERIES=focal