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  1. Red Hat OpenStack Services on OpenShift
  2. OSPRH-12372

iscsi-starter.service must be disabled in EDPM node for iscsid container.

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    • rhos-18.0.4
    • rhos-18.0.2
    • edpm-ansible
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      .`iscsi-starter.service` disabled on EDPM nodes after a reboot

      Before this update, the `iscsi.service` started after a reboot of EDPM nodes that run an instance with an iSCSI-backed volume, even though `iscsi.service` was not enabled in `edpm-ansible`. This issue occurred because the `iscsi-starter.service` was enabled in the EDPM node's image. With this update, the `iscsi-starter.service` is disabled on EDPM nodes to prevent the issue.
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      .`iscsi-starter.service` disabled on EDPM nodes after a reboot Before this update, the `iscsi.service` started after a reboot of EDPM nodes that run an instance with an iSCSI-backed volume, even though `iscsi.service` was not enabled in `edpm-ansible`. This issue occurred because the `iscsi-starter.service` was enabled in the EDPM node's image. With this update, the `iscsi-starter.service` is disabled on EDPM nodes to prevent the issue.
    • Bug Fix
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      iscsi-starter.service must be disabled in EDPM node for iscsid container.

      iscsi-starter.service is installed in EDPM node's image.

      Its unit file is:

      $ cat usr/lib/systemd/system/iscsi-starter.service 
[Unit]
DefaultDependencies=no
Before=sysinit.target iscsi.service
RequiresMountsFor=/var/lib/iscsi/nodes
ConditionDirectoryNotEmpty=/var/lib/iscsi/nodes

[Service]
Type=oneshot
RemainAfterExit=true
ExecStart=/usr/bin/systemctl start --no-block --job-mode=fail iscsi.service

[Install]
WantedBy=sysinit.target

      And this unit is enabled. Due to that iscsi.service is started even though we disable iscsi.service in edpm-ansible.

      We have to disable iscsi-starter.service as mandatory like we do for iscsi.service.

          - name: Stop iscsi-starter.service
      ansible.builtin.systemd:
        name: iscsi-starter.service
        state: stopped
        enabled: false
      when:
        - ansible_facts.services["iscsi-starter.service"] is defined
        - ansible_facts.services["iscsi-starter.service"]["status"] != "not-found"
        - ansible_facts.services["iscsi-starter.service"]["status"] == "enabled"

      ref. https://github.com/openstack-k8s-operators/edpm-ansible/blob/main/roles/edpm_iscsid/tasks/install.yml

      The issue happens after the first reboot folloing the configuration by edpm-ansible.
      This issue will happen all environments which uses iscsid container.

              rhn-support-knoha Keigo Noha
              rhn-support-knoha Keigo Noha
              rhos-dfg-df
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