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# ---------------------------------------------------------- #
# Aliases and functions for juju (https://juju.is) #
# ---------------------------------------------------------- #
# Load TAB completions
# You need juju's bash completion script installed. By default bash-completion's
# location will be used (i.e. pkg-config --variable=completionsdir bash-completion).
completion_file="$(pkg-config --variable=completionsdir bash-completion 2>/dev/null)/juju" || \
completion_file="/usr/share/bash-completion/completions/juju"
[[ -f "$completion_file" ]] && source "$completion_file"
unset completion_file
# ---------------------------------------------------------- #
# Aliases (in alphabetic order) #
# #
# Generally, #
# - `!` means --force --no-wait -y #
# - `ds` suffix means --destroy-storage #
# - `jsh` prefix means juju show-* #
# ---------------------------------------------------------- #
alias j="juju"
alias jam="juju add-model --config logging-config=\"<root>=WARNING; unit=DEBUG\"\
--config update-status-hook-interval=\"60m\""
alias jb='juju bootstrap'
alias jbng='juju bootstrap --no-gui'
alias jbl='juju bootstrap localhost'
alias jblng='juju bootstrap --no-gui localhost'
alias jbm='juju bootstrap microk8s'
alias jbmng='juju bootstrap --no-gui microk8s'
alias jc='juju config'
alias jcld='juju clouds'
alias jclda='juju clouds --all'
alias jctl='juju controllers'
alias jctlr='juju controllers --refresh'
alias jdc='juju destroy-controller --destroy-all-models'
alias 'jdc!'='juju destroy-controller --destroy-all-models --force --no-wait -y'
alias jdcds='juju destroy-controller --destroy-all-models --destroy-storage'
alias 'jdcds!'='juju destroy-controller --destroy-all-models --destroy-storage --force --no-wait -y'
alias jdm='juju destroy-model'
alias 'jdm!'='juju destroy-model --force --no-wait -y'
alias jdmds='juju destroy-model --destroy-storage'
alias 'jdmds!'='juju destroy-model --destroy-storage --force --no-wait -y'
alias jde='juju deploy --channel=edge'
alias jd='juju deploy'
alias jdl='juju debug-log --ms'
alias jdlr='juju debug-log --ms --replay'
alias jcon='juju consume'
alias jeb='juju export-bundle'
alias jex='juju expose'
alias jh='juju help'
alias jkc='juju kill-controller -y -t 0'
alias jm='juju models'
alias jmc='juju model-config'
alias jof='juju offer'
alias jra='juju run-action'
alias jraw='juju run-action --wait'
alias jrel='juju relate'
alias jrm='juju remove-application'
alias 'jrm!'='juju remove-application --force --no-wait'
alias jrmds='juju remove-application --destroy-storage'
alias 'jrmds!'='juju remove-application --destroy-storage --force --no-wait'
alias jrmrel='juju remove-relation'
alias 'jrmrel!'='juju remove-relation --force'
alias jrmsas='juju remove-saas'
alias jrp='juju refresh --path'
alias jrs='juju remove-storage'
alias 'jrs!'='juju remove-storage --force'
alias jsa='juju scale-application'
alias jsha='juju show-application'
alias jshc='juju show-controller'
alias jshm='juju show-model'
alias jshsl='juju show-status-log'
alias jshu='juju show-unit'
alias jssh='juju ssh'
alias jsshc='juju ssh --container'
alias jstj='juju status --format=json'
alias jst='juju status --relations --color'
alias jsts='juju status --relations --storage --color'
alias jsw='juju switch'
# ---------------------------------------------------------- #
# Functions (in alphabetic order) #
# ---------------------------------------------------------- #
# Get app or unit address
jaddr() {
# $1 = app name
# $2 = unit number (optional)
if (( ! ${+commands[jq]} )); then
echo "jq is required but could not be found." >&2
return 1
fi
if [[ $# -eq 1 ]]; then
# Get app address
juju status "$1" --format=json \
| jq -r ".applications.\"$1\".address"
elif [[ $# -eq 2 ]]; then
# Get unit address
juju status "$1/$2" --format=json \
| jq -r ".applications.\"$1\".units.\"$1/$2\".address"
else
echo "Invalid number of arguments."
echo "Usage: jaddr <app-name> [<unit-number>]"
echo "Example: jaddr karma"
echo "Example: jaddr karma 0"
return 1
fi
}
# Destroy all controllers
jclean() {
if (( ! ${+commands[jq]} )); then
echo "jq is required but could not be found." >&2
return 1
fi
local controllers=$(juju controllers --format=json | jq -r '.controllers | keys[]' 2>/dev/null)
if [[ -z "$controllers" ]]; then
echo "No controllers registered"
return 0
fi
echo "This will forcefully destroy all storages, models and controllers."
echo "Controllers to be destroyed:"
echo "$controllers"
if ! read -q '?Are you sure (y/n)? '; then
echo
echo "Aborted."
return 0
fi
echo
for controller in ${=controllers}; do
timeout 2m juju destroy-controller --destroy-all-models --destroy-storage --force --no-wait -y $controller
timeout 2m juju kill-controller -y -t 0 $controller 2>/dev/null
timeout 10s juju unregister $controller 2>/dev/null
done
}
# Display app and unit relation data
jreld() {
# $1 = relation name
# $2 = app name
# $3 = unit number
if [[ $# -ne 3 ]]; then
echo "Invalid number of arguments."
echo "Usage: jreld <relation-name> <app-name> <unit-number>"
echo "Example: jreld karma-dashboard alertmanager 0"
return 1
fi
local relid="$(juju run "relation-ids $1" --unit $2/$3)"
if [[ -z "$relid" ]]; then
return 1
fi
echo "App data:"
juju run "relation-get -r $relid --app - $2" --unit $2/$3
echo
echo "Unit data:"
juju run "relation-get -r $relid - $2" --unit $2/$3
}
# Return Juju current controller
jcontroller() {
local controller="$(awk '/current-controller/ {print $2}' ~/.local/share/juju/controllers.yaml)"
if [[ -z "$controller" ]]; then
return 1
fi
echo $controller
return 0
}
# Return Juju current model
jmodel() {
local yqbin="$(whereis yq | awk '{print $2}')"
if [[ -z "$yqbin" ]]; then
echo "--"
return 1
fi
local model="$(yq e ".controllers.$(jcontroller).current-model" < ~/.local/share/juju/models.yaml | cut -d/ -f2)"
if [[ -z "$model" ]]; then
echo "--"
return 1
fi
echo $model
return 0
}
# Watch juju status, with optional interval (default: 5 sec)
wjst() {
local interval="${1:-5}"
shift $(( $# > 0 ))
watch -n "$interval" --color juju status --relations --color "$@"
}
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