fix: Add seconds unit to CSQL_PROXY_MAX_SIGTERM_DELAY value. (#611)

The sigterm delay duration needs to include the unit seconds (for example: `30s` instead of `30`). This will
allow the value to be parsed as a golang duration.

Fixes #610

Author: mlallaouret

internal/workload/podspec_updates.go

@@ -743,7 +743,7 @@ func (s *updateState) applyContainerSpec(p *cloudsqlapi.AuthProxyWorkload, c *co
 	}
 	if p.Spec.AuthProxyContainer.MaxSigtermDelay != nil &&
 		*p.Spec.AuthProxyContainer.MaxSigtermDelay != 0 {
-		s.addProxyContainerEnvVar(p, "CSQL_PROXY_MAX_SIGTERM_DELAY", fmt.Sprintf("%d", *p.Spec.AuthProxyContainer.MaxSigtermDelay))
+		s.addProxyContainerEnvVar(p, "CSQL_PROXY_MAX_SIGTERM_DELAY", fmt.Sprintf("%ds", *p.Spec.AuthProxyContainer.MaxSigtermDelay))
 	}
 
 	return

internal/workload/podspec_updates_test.go

@@ -696,7 +696,7 @@ func TestProxyCLIArgs(t *testing.T) {
 				"CSQL_PROXY_PROMETHEUS":                  "true",
 				"CSQL_PROXY_QUOTA_PROJECT":               "qp",
 				"CSQL_PROXY_MAX_CONNECTIONS":             "10",
-				"CSQL_PROXY_MAX_SIGTERM_DELAY":           "20",
+				"CSQL_PROXY_MAX_SIGTERM_DELAY":           "20s",
 				"CSQL_PROXY_IMPERSONATE_SERVICE_ACCOUNT": "[email protected],[email protected]",
 				"CSQL_PROXY_QUIET":                       "true",
 				"CSQL_PROXY_STRUCTURED_LOGS":             "true",