Use goss for healthchecks (#223)

* basic healthcheck based on goss
* add goss to travis
* healtcheck command runs now for all services
* add to makefile

core/Dockerfile

@@ -59,7 +59,8 @@ ENV LANG=en_US.UTF-8
 
 ENV SERVICE_TO_START=server
 
-COPY defaultconfigs/ start-service.sh /kopano/
+COPY defaultconfigs/ start-service.sh healthcheck.sh /kopano/
+COPY goss/ /kopano/goss
 
 WORKDIR /kopano/path
 
@@ -67,5 +68,5 @@ ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 CMD [ "/kopano/start-service.sh" ]
 
-HEALTHCHECK --interval=5m --timeout=60s \
+HEALTHCHECK --interval=1m --timeout=10s \
     CMD /kopano/healthcheck.sh

core/goss/dagent/goss.yaml

@@ -0,0 +1,6 @@
+port:
+  tcp6:2003:
+    listening: true
+process:
+  kopano-dagent:
+    running: true

core/goss/gateway/goss.yaml

@@ -0,0 +1,3 @@
+process:
+  kopano-gateway:
+    running: true

core/goss/gateway/goss_wait.yaml

@@ -0,0 +1,3 @@
+process:
+  kopano-gateway:
+    running: true

core/goss/grapi/goss.yaml

@@ -0,0 +1,7 @@
+file:
+  /var/run/kopano/grapi:
+    exists: true
+    mode: "0755"
+    owner: kapi
+    group: kopano
+    filetype: directory

core/goss/grapi/goss_wait.yaml

@@ -0,0 +1,7 @@
+file:
+  /var/run/kopano/grapi:
+    exists: true
+    mode: "0755"
+    owner: kapi
+    group: kopano
+    filetype: directory

core/goss/ical/goss.yaml

@@ -0,0 +1,3 @@
+process:
+  kopano-ical:
+    running: true

core/goss/ical/goss_wait.yaml

@@ -0,0 +1,3 @@
+process:
+  kopano-ical:
+    running: true

core/goss/kapi/goss.yaml

@@ -0,0 +1,3 @@
+process:
+  kapid:
+    running: true

core/goss/kapi/goss_wait.yaml

@@ -0,0 +1,3 @@
+process:
+  kapid:
+    running: true

core/goss/monitor/goss.yaml

@@ -0,0 +1,3 @@
+process:
+  kopano-monitor:
+    running: true

core/goss/monitor/goss_wait.yaml

@@ -0,0 +1,3 @@
+process:
+  kopano-monitor:
+    running: true

core/goss/search/goss.yaml

@@ -0,0 +1,9 @@
+file:
+  /var/run/kopano/search.sock:
+    exists: true
+    mode: "0700"
+    size: 0
+    owner: kopano
+    group: kopano
+    filetype: socket
+    contains: []

core/goss/search/goss_wait.yaml

@@ -0,0 +1,9 @@
+file:
+  /var/run/kopano/search.sock:
+    exists: true
+    mode: "0700"
+    size: 0
+    owner: kopano
+    group: kopano
+    filetype: socket
+    contains: []

core/goss/server/goss.yaml

@@ -0,0 +1,33 @@
+file:
+  /kopano/data/attachments/0:
+    exists: true
+    mode: "0750"
+    owner: kopano
+    group: kopano
+    filetype: directory
+  /run/kopano/prio.sock:
+    exists: true
+    mode: "0660"
+    owner: kopano
+    group: kopano
+    filetype: socket
+  /run/kopano/server.pid:
+    exists: true
+    mode: "0644"
+    owner: kopano
+    group: kopano
+    filetype: file
+  /run/kopano/server.sock:
+    exists: true
+    mode: "0666"
+    owner: kopano
+    group: kopano
+    filetype: socket
+http:
+  http://localhost:236:
+    status: 405
+    timeout: 5000
+  https://localhost:237:
+    status: 405
+    allow-insecure: true
+    timeout: 5000

core/goss/server/goss_wait.yaml

@@ -0,0 +1,11 @@
+port:
+  tcp6:236:
+    listening: true
+file:
+  /run/kopano/server.pid:
+    exists: true
+    mode: "0644"
+    owner: kopano
+    group: kopano
+    filetype: file
+

core/goss/spooler/goss.yaml

@@ -0,0 +1,3 @@
+process:
+  kopano-spooler:
+    running: true

core/goss_server.yaml

@@ -1,3 +0,0 @@
-port:
-  tcp6:236:
-    listening: true

core/goss_wait.yaml

@@ -1,3 +0,0 @@
-port:
-  tcp6:236:
-    listening: true

core/healthcheck.sh

@@ -1,5 +1,14 @@
 #!/bin/bash
 
-set -ex
+set -e
+
+case "$SERVICE_TO_START" in
+server|dagent|gateway|ical|grapi|kapi|monitor|search|spooler)
+	goss -g /kopano/goss/"$SERVICE_TO_START"/goss.yaml validate --format json_oneline
+	;;
+*)
+	echo "This service still needs a proper check"
+	;;
+esac
 
 exit 0

core/start-service.sh

@@ -10,6 +10,7 @@ if [ ! -e /kopano/"$SERVICE_TO_START".py ]; then
 	exit 1
 fi
 
+# TODO this needs fixing as now apt update is always salled (since the value is at least "")
 [ -n "${ADDITIONAL_KOPANO_PACKAGES// }" ] && apt update
 [ -n "${ADDITIONAL_KOPANO_PACKAGES// }" ] && for installpkg in $(echo "$ADDITIONAL_KOPANO_PACKAGES" | tr -d '"'); do
 	# shellcheck disable=SC2016 disable=SC2086
@@ -86,7 +87,7 @@ grapi)
 	unset "${!KCCONF_@}"
 	exec kopano-grapi serve
 	;;
-kapid)
+kapi)
 	if [ "$KCCONF_KAPID_INSECURE" = "yes" ]; then
 		dockerize \
 		-skip-tls-verify \