[Bug 2045828] Re: rbd-target-{api, gw}.service doesn't start after a reboot

[Nobuto Murata]

> In the debian/rules, there is an override so I suppose not starting it by default is on purpose since the service doesn't work if there is no config written.
> 
> [debian/rules]
> override_dh_installinit:
>         dh_installinit -pceph-iscsi --name rbd-target-api
>         dh_installinit -pceph-iscsi --name rbd-target-gw


Hmm, the package structure looks weird to me. The override is to use a service name different from the package name, which makes sense. Then it will render the postinst script as:

====
invoke-rc.d --skip-systemd-native rbd-target-api $_dh_action || exit 1
...
invoke-rc.d --skip-systemd-native rbd-target-gw $_dh_action || exit 1
====

To defer it to systemd. However, the package doesn't leverage
dh_installsystemd with --no-enable and --no-start. Instead, it uses
debian/ceph-iscsi.install to manually copy
usr/lib/systemd/system/*.service to the system.


** Also affects: ceph-iscsi (Ubuntu)
   Importance: Undecided
       Status: New

** Description changed:

  ceph-iscsi              quincy/stable   28
+ 
+ $ apt policy ceph-iscsi
+ ceph-iscsi:
+   Installed: 3.5-2ubuntu1
+   Candidate: 3.5-2ubuntu1
+   Version table:
+  *** 3.5-2ubuntu1 500
+         500 http://archive.ubuntu.com/ubuntu jammy/universe amd64 Packages
+         100 /var/lib/dpkg/status
  
  How to reproduce:
  once the ceph-iscsi charm is deployed with 2 units per the documentation, reboot one of the units.
  
- # systemctl status rbd-target-gw.service 
+ # systemctl status rbd-target-gw.service
  ○ rbd-target-gw.service - Setup system to export rbd images through LIO
-      Loaded: loaded (/lib/systemd/system/rbd-target-gw.service; disabled; vendor preset: enabled)
-      Active: inactive (dead)
+      Loaded: loaded (/lib/systemd/system/rbd-target-gw.service; disabled; vendor preset: enabled)
+      Active: inactive (dead)
  
- # systemctl status rbd-target-api.service 
+ # systemctl status rbd-target-api.service
  ○ rbd-target-api.service - Ceph iscsi target configuration API
-      Loaded: loaded (/lib/systemd/system/rbd-target-api.service; disabled; vendor preset: enabled)
-      Active: inactive (dead)
+      Loaded: loaded (/lib/systemd/system/rbd-target-api.service; disabled; vendor preset: enabled)
+      Active: inactive (dead)
  
  This is probably because the systemd services are disabled.
  
- # systemctl is-enabled rbd-target-{api,gw}.service 
+ # systemctl is-enabled rbd-target-{api,gw}.service
  disabled
  disabled
  
- 
  A possible workaround is to enable those services by hand.

-- 
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https://bugs.launchpad.net/bugs/2045828

Title:
  rbd-target-{api,gw}.service doesn't start after a reboot

Status in OpenStack Ceph iSCSI Charm:
  New
Status in ceph-iscsi package in Ubuntu:
  New

Bug description:
  ceph-iscsi              quincy/stable   28

  $ apt policy ceph-iscsi
  ceph-iscsi:
    Installed: 3.5-2ubuntu1
    Candidate: 3.5-2ubuntu1
    Version table:
   *** 3.5-2ubuntu1 500
          500 http://archive.ubuntu.com/ubuntu jammy/universe amd64 Packages
          100 /var/lib/dpkg/status

  How to reproduce:
  once the ceph-iscsi charm is deployed with 2 units per the documentation, reboot one of the units.

  # systemctl status rbd-target-gw.service
  ○ rbd-target-gw.service - Setup system to export rbd images through LIO
       Loaded: loaded (/lib/systemd/system/rbd-target-gw.service; disabled; vendor preset: enabled)
       Active: inactive (dead)

  # systemctl status rbd-target-api.service
  ○ rbd-target-api.service - Ceph iscsi target configuration API
       Loaded: loaded (/lib/systemd/system/rbd-target-api.service; disabled; vendor preset: enabled)
       Active: inactive (dead)

  This is probably because the systemd services are disabled.

  # systemctl is-enabled rbd-target-{api,gw}.service
  disabled
  disabled

  A possible workaround is to enable those services by hand.

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