Monitoring enhancement

[ilarimikkonen]

• add selection how often get is done (max freq once / minute, upto 60 minutes)
• add a feature where user is notified via email if get operations fail 3 times in a row
  see also issue Possibility to select, whether API monitoring is done directly or via Proxy #3732 - this can be implemented also

[ilarimikkonen]

so, after user has ticked the tickbox; following ui should be shown

[ilarimikkonen]

tests:
#1
user ticks "Enable API Monitoring"
expected: New selections are show, like in image in this issues
#2
after test#1 user toggles between different Endpoints
expected: radio selection changes
#3
user sets value 1 to "check every.." selection
user sets value 1 to "alert if checks fail.." selection
user hits save
expected: there is a entry in monitoring table. If you navigate to that API, "API is operating normally" text is shown
#4
user hits save after step 3
expected: new entry appears to the table after a while
#5
user enters non-existing url and hits save
expected: after a while, entry appears stating that API is not working properly. "API is operating normally" text is changed to error code. Additionally when time goes by and test fail given time, user receives email notification, where the Subject is "API health problem" and Body is

"You have enable monitoring, API is doing poorly. Please go check it out.

Get better soon,

APInf staff
"
#6 user unticks "Enable API Monitoring"
expected: no emails are sent. table containing entries disappear. "API is operating normally" text is not shown

[ilarimikkonen]

additional : show data as calendar?
also, show uptime in % somewhere for API users