taler-docs

commit 4ff749e8809be1fb46240cbb750df0331955383b
parent 326f27dfab220beae53a76f72cfc648830359f39
Author: Christian Grothoff <christian@grothoff.org>
Date:   Sun,  2 Feb 2025 23:11:02 +0100

update uptime-kuma manual

Diffstat:
M
system-administration/uptime-kuma.rst
 | 
37
++++++++++++++++++++++++++++---------

1 file changed, 28 insertions(+), 9 deletions(-)
diff --git a/system-administration/uptime-kuma.rst b/system-administration/uptime-kuma.rst
@@ -95,16 +95,15 @@ Monitoring exchanges
 To monitor an exchange, we want to not merely monitor that the REST API is operational,
 but also check that the ``/keys`` response is not outdated.  This can be done by computing
 the minimum expiration time over all of the maxima of the different keys in the response.
-For an exchange with P2P payments enabled, the HTTP(S) - JSON Query method can be
+The HTTP(S) - JSON Query method can be
 used using the following query written in https://jsonata.org/:
-  
+
 .. code-block:: text
 
-  $min($append($append(
-      [$max($map(global_fees, function($f) { $f.end_date.t_s}))],
-      [$max($map(signkeys, function($f) { $f.stamp_expire.t_s}))]),
+  $min($append(
+      [$max($map(signkeys, function($f) { $f.stamp_expire.t_s}))],
       [$max($map(denominations,
-          function ($a){ 
+          function ($a){
             $max($map($a.denoms,
                  function ($d){
                      $d.stamp_expire_withdraw.t_s
@@ -113,11 +112,31 @@ used using the following query written in https://jsonata.org/:
           }
     ))])) > $millis()/1000
 
+We setup a separate monitor to check that wire fees are working
+(sure, they can be combined, but this way we can get a more precise alert):
+
+.. code-block:: test
+
+  $max(wire_fees[*].[*].end_date.t_s) > $millis()/1000
+
+To separate-out global fees monitoring (which is not present on all systems),
+we also use (except on GLS, which doesn't support P2P):
+
+.. code-block:: test
+
+  $max(global_fees[*].end_date.t_s) > $millis()/1000
+
 Exchanges to monitor include:
 
 - exchange.taler-ops.ch
 - exchange.e.netzbon-basel.ch
 - exchange.demo.taler.net
-- exchange.head.taler.net
-- exchange.test.taler.net
-  
+[- exchange.head.taler.net]
+[- exchange.test.taler.net]
+
+
+Tagging monitors
+================
+
+We tag each monitor with the host that the service
+is running on (e.g. firefly.gnunet.org).