apply substitution

Signed-off-by: Sylvain Hellegouarch <sh@defuze.org>

CHANGELOG.md

@@ -2,7 +2,15 @@
 
 ## [Unreleased][]
 
-[Unreleased]: https://github.com/chaostoolkit-incubator/chaostoolkit-reliably/compare/0.71.0...HEAD
+[Unreleased]: https://github.com/chaostoolkit-incubator/chaostoolkit-reliably/compare/0.71.1...HEAD
+
+## [0.71.1][]
+
+[0.71.1]: https://github.com/chaostoolkit-incubator/chaostoolkit-reliably/compare/0.71.0...0.71.1
+
+### Fixed
+
+* Substitute variable for value
 
 ## [0.71.0][]
 

chaosreliably/controls/experiment.py

@@ -13,6 +13,7 @@
     import importlib.metadata as im  # type: ignore
 
 import orjson
+from chaoslib import substitute
 from chaoslib.exceptions import InterruptExecution
 from chaoslib.exit import exit_gracefully, exit_ungracefully
 from chaoslib.run import EventHandlerRegistry, RunEventHandler
@@ -368,7 +369,11 @@ def start_activity(self, activity: Activity) -> None:
             if provider.get("module") == "chaosreliably.activities.pauses":
                 if not self.paused:
                     self.paused = True
-                    self.pause_duration = args.get("duration", 0)
+                    self.pause_duration = substitute(
+                        args.get("duration"),
+                        configuration=self.configuration,
+                        secrets=self.secrets,
+                    )
 
                     set_execution_state(
                         self.org_id,