zulip: Start monitoring it

We don't have much in the way of service-specific checks, but at least we can
make sure it's doing HTTPS and check for rate-limiting since that has come up.

Upstream Zulip has a bunch of stuff --
https://zulip.readthedocs.io/en/latest/production/troubleshooting.html#monitoring
-- that I should look into borrowing from eventually.

diff --git a/local.d/zulip.cfg b/local.d/zulip.cfg
new file mode 100644 (file)
index 0000000..d6b0eff
--- /dev/null
+++ b/local.d/zulip.cfg
@@ -0,0 +1,30 @@
+define host {
+    use                     adehnert-host            ; Name of host template to use
+    host_name               zulip
+    address                 zulip.augsburg.vms.dehnerts.com
+}
+
+define service {
+    use adehnert-service
+    host_name           zulip
+    service_description RUN-NGINX
+    check_command       check_byssh_service!nginx.service
+}
+
+define service {
+    use adehnert-service
+    host_name           zulip
+    service_description ZULIP-RATELIMIT
+    check_command       check_byssh_generic!check_zulip_ratelimit
+    # Alerts will include a username, so don't send publicly
+    contact_groups      adehnert-priv
+}
+
+define service {
+       use adehnert-service
+       host_name zulip
+       name zulip-https
+       service_description HTTPS
+       check_command check_https_hostname!-H zulip.dehnerts.com
+       __check_cert_expiry_days 10
+}