Merge lp:~fo0bar/turku/turku-agent-timers into lp:turku/turku-agent

[Ryan Finnie]

Switch timers from OnCalendar (+ dependency hacks) to monotonic OnUnitActiveSec/OnStartupSec

This mostly reverts revno 54's fixes for the startup edge case by switching to systemd's monotonic system. First timer is run 15m + rand(5m) after startup, then every 5m + rand(5m).

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

[Joel Sing (jsing)]

LGTM

review: Approve (+1)

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision 56

=== modified file 'turku-agent-ping.timer'
--- turku-agent-ping.timer	2020-03-24 01:04:54 +0000
+++ turku-agent-ping.timer	2020-03-26 22:16:38 +0000
@@ -1,14 +1,10 @@
 [Unit]
 Description=turku-agent-ping
-DefaultDependencies=no
-Wants=network-online.target
-After=network-online.target
-After=time-sync.target
 
 [Timer]
-OnCalendar=*:0/5
+OnUnitActiveSec=5m
 RandomizedDelaySec=5m
-Persistent=true
+OnStartupSec=15m
 
 [Install]
 WantedBy=timers.target
 
=== modified file 'turku-update-config.timer'
--- turku-update-config.timer	2020-03-24 01:04:54 +0000
+++ turku-update-config.timer	2020-03-26 22:16:38 +0000
@@ -1,14 +1,10 @@
 [Unit]
 Description=turku-update-config
-DefaultDependencies=no
-Wants=network-online.target
-After=network-online.target
-After=time-sync.target
 
 [Timer]
-OnCalendar=0,12:0
+OnUnitActiveSec=12h
 RandomizedDelaySec=12h
-Persistent=true
+OnStartupSec=1h
 
 [Install]
 WantedBy=timers.target