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Added composition.printRunningHost() and used it to encapsulate definition files. Changed current-host to running-host.

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m8in
2026-06-24 19:59:29 +02:00
parent 8044d776d8
commit 423d1c38e9
4 changed files with 39 additions and 20 deletions
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module/composition.module.sh
+29 -13
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@@ -33,6 +33,22 @@ function composition.printAllRunningOnThisHost() {
done
}
# composition.printRunningHost
#
# This function prints the name of the host the given composition is running on.
function composition.printRunningHost() {
local _COMPOSITION _RUNNINGHOST_FILE
_COMPOSITION="${1:?"composition.printRunningHost(): Missing first parameter COMPOSITION"}"
_RUNNINGHOST_FILE="${CIS[COMPOSITIONS]:?"composition.printRunningHost(): Missing CIS_COMPOSITIONS"}${_COMPOSITION}/running-host"
readonly _COMPOSITION _RUNNINGHOST_FILE
[ -f "${_RUNNINGHOST_FILE}" ] \
&& head -n 1 -- "${_RUNNINGHOST_FILE}" \
&& return 0
return 1
}
# composition.printAllSyncedByThisHost
#
# This function prints a list of all compositions which should be synced to this host, one per line.
@@ -75,19 +91,19 @@ function composition.printZFS() {
# - COMPOSITION mandatory: "uptime-kuma-prod"
#
# This function checks if the given composition runs or should run on this host.
# Therefore a file 'current-host' defines the the current host where the composition runs.
# Therefore a file 'running-host' defines the the current host where the composition runs.
function composition.shouldRunOnThisHost() {
local _COMPOSITION _CURRENTHOST_FILE
local _COMPOSITION _RUNNINGHOST_FILE
_COMPOSITION="${1:?"composition.shouldRunOnThisHost(): Missing first parameter COMPOSITION"}"
_CURRENTHOST_FILE="${CIS[COMPOSITIONS]:?"composition.shouldRunOnThisHost(): Missing CIS_COMPOSITIONS"}${_COMPOSITION}/current-host"
readonly _COMPOSITION _CURRENTHOST_FILE
_RUNNINGHOST_FILE="${CIS[COMPOSITIONS]:?"composition.shouldRunOnThisHost(): Missing CIS_COMPOSITIONS"}${_COMPOSITION}/running-host"
readonly _COMPOSITION _RUNNINGHOST_FILE
! [ -f "${_CURRENTHOST_FILE}" ] \
&& print.failure "Missing file current-host for composition: '${_COMPOSITION}'" \
! [ -f "${_RUNNINGHOST_FILE}" ] \
&& print.failure "Missing file running-host for composition: '${_COMPOSITION}'" \
&& return 1
[ -n "${CIS[HOST]}" ] \
&& head -n 1 -- "${_CURRENTHOST_FILE}" | grep -q -E -- "^${CIS[HOST]}" \
&& head -n 1 -- "${_RUNNINGHOST_FILE}" | grep -q -E -- "^${CIS[HOST]}" \
&& return 0
return 1
@@ -101,18 +117,18 @@ function composition.shouldRunOnThisHost() {
# Therefore a file 'composition-sync-hosts' defines a list of host, one per line, where the composition should be synced to.
# The given host either runs the composition or syncs it.
function composition.shouldBeSyncedByGivenHost() {
local _COMPOSITION _HOST _COMPOSITION_PATH _CURRENTHOST_FILE _SYNCHOSTS_FILE
local _COMPOSITION _HOST _COMPOSITION_PATH _RUNNINGHOST_FILE _SYNCHOSTS_FILE
_COMPOSITION="${1:?"composition.shouldBeSyncedByGivenHost(): Missing first parameter COMPOSITION"}"
_HOST="${2:?"composition.shouldBeSyncedByGivenHost(): Missing second parameter HOST"}"
_COMPOSITION_PATH="${CIS[COMPOSITIONS]:?"composition.shouldBeSyncedByGivenHost(): Missing CIS_COMPOSITIONS"}${_COMPOSITION}/"
_CURRENTHOST_FILE="${_COMPOSITION_PATH}current-host"
_RUNNINGHOST_FILE="${_COMPOSITION_PATH}running-host"
_SYNCHOSTS_FILE="${_COMPOSITION_PATH}composition-sync-hosts"
readonly _COMPOSITION _HOST _COMPOSITION_PATH _CURRENTHOST_FILE _SYNCHOSTS_FILE
readonly _COMPOSITION _HOST _COMPOSITION_PATH _RUNNINGHOST_FILE _SYNCHOSTS_FILE
# This host either runs the composition or syncs it.
# If there is no CURRENTHOST_FILE than the definition is invalid and should not be synced.
[ -f "${_CURRENTHOST_FILE}" ] \
&& head -n 1 -- "${_CURRENTHOST_FILE}" | grep -q -v -E -- "^${_HOST}" \
# If there is no _RUNNINGHOST_FILE than the definition is invalid and should not be synced.
[ -f "${_RUNNINGHOST_FILE}" ] \
&& head -n 1 -- "${_RUNNINGHOST_FILE}" | grep -q -v -E -- "^${_HOST}" \
&& grep -q -E -- "^${_HOST}" "${_SYNCHOSTS_FILE}" \
&& return 0