From c9a730e5b363a10639309c81dab838232ee434b6 Mon Sep 17 00:00:00 2001 From: Jasper Ras Date: Fri, 25 Apr 2025 16:15:25 +0200 Subject: vault backup: 2025-04-25 16:15:25 --- daily/22-Apr-2025.md | 32 +++++++++++++++++++++++++ daily/23-Apr-2025.md | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++ daily/24-Apr-2025.md | 7 ++++++ daily/25-Apr-2025.md | 17 +++++++++++++ 4 files changed, 124 insertions(+) create mode 100644 daily/22-Apr-2025.md create mode 100644 daily/23-Apr-2025.md create mode 100644 daily/24-Apr-2025.md create mode 100644 daily/25-Apr-2025.md (limited to 'daily') diff --git a/daily/22-Apr-2025.md b/daily/22-Apr-2025.md new file mode 100644 index 0000000..192eebe --- /dev/null +++ b/daily/22-Apr-2025.md @@ -0,0 +1,32 @@ +octavia ovn provider memory leak; found [bug report](https://bugs.launchpad.net/neutron/+bug/2065460) which looks very promising. Trying to patch the driver with this patchset to see if we can fix it. + + +# Interview Ali met Erik +Maand opzegtermijn, geen haast. + +Noemt control plane services +- keystone users projects +werkt voor leaseplan, reason layoff + +migratie workflow: +- legacy cluster + +Live migration, ceph shared, kan geen manier vinden om storage zonder intermediate host te migreren. + +Knows how live migration work. + +Explanation OpenStack, trace server create call: +- keystone, service catalog, token +- nova api, nova scheduler, nova conductor + - doesnt know individual, whole schedules server + - nova libvirt talks libvirt, creates vm + - host aggregates mentioned + flavor extra specs + - vm calls metadata @ 169.169... mentioned + - cloud-init +- nova wants port -> rabbit -> neutron +- neutron api, ovn controller + - ovn northd, nb, sb + - neutron ml2 plugin translates neutron to ovn nb + - northd translates nb to sb + - ovn controller reads sb and translate to ovs on compute +- glance image \ No newline at end of file diff --git a/daily/23-Apr-2025.md b/daily/23-Apr-2025.md new file mode 100644 index 0000000..6c9b6c6 --- /dev/null +++ b/daily/23-Apr-2025.md @@ -0,0 +1,68 @@ + +# Interview Isabel +devops engineer 7yrs + +Provides maintainance os cloud + +exp with openstack: + - deploying new compute + - maintaining + - remember rabbitmq incident: queueing + - not used puppet + - ansible +exp with openstack: + - deploying new compute + - maintaining + - remember rabbitmq incident: queueing + - not used puppet + - ansible +#### Our questions +How are you in programming? +- Really like it, create many tools +- Python / ansible deploy infra automated instead of manually + - *Realised manual labor and automated it* + +How do you feel about going more into a development role? +- that's what im looking for, prefer to be making. + +Linux or windows experience? +- check fs +- processes +- administrative +- k8s many scripts + +How would you solve a problem where a VM is not starting? +- Check nova compute for error +- If ceilometer/logging check that +- Try with nova-compute to restart if down +- Reload instance (?) + +Have you ever had to go into openstack DBs? +- Not really, +- Do have SQL knowledge + +Do you know how to work with git? +- yes, branch system current job + +**Why are you leaving your current position?** +reason: different tech than banks +same company HCL as in spain, change contract + + +*Deployment, maintenance, and administration of cloud technologies +VMware, Azure, Openstack.* +**Does this mean workloads running on said clouds? Or does this also apply to managing infrastructure such as openstack?** + +*Bash scripting for Linux server automation.* **What sort of automation?** + +*Plan and execute migrations and patching from on-premises infrastructure +to ING Private cloud (IPC)* **Can you talk more about what kind of migrations** + +#### Isabel questions to us + +What does the usage of openstack look like from customer perspective? +- different kinds (brands, direct access) +Own DC? yes +Are you expecting me to create new components, or maintain? +- maintain, puppet etc, + diff --git a/daily/24-Apr-2025.md b/daily/24-Apr-2025.md new file mode 100644 index 0000000..371dd15 --- /dev/null +++ b/daily/24-Apr-2025.md @@ -0,0 +1,7 @@ +Ceilometer thaw/freeze gecheckt: linear vs unordered flow. Geen metrics testpod -> prod deploy + +Octavia / system test cph8 onderzocht: kon netwerk niet vinden in ovn. Restart resolved issue. + +OVN database cluster aanmerken in ansible ipv alle netwerk nodes zien als database hosts. Testen op testpod. + +Lijst controleren van backup contracten vs gobs. 170 active contracten vs 191 periodic backups waarvan er 44 disabled. \ No newline at end of file diff --git a/daily/25-Apr-2025.md b/daily/25-Apr-2025.md new file mode 100644 index 0000000..9514ec3 --- /dev/null +++ b/daily/25-Apr-2025.md @@ -0,0 +1,17 @@ +Gobs OSC plugin pagination +Deploy goba with ceilometer thaw/freeze to prod + +# Tech interview Isabel +Intro +- [ ] What we will do: some questions then workshop +- [ ] Erik intro +- [ ] Isabel intro + +Questions: +- [ ] What is your experience with `git`, are you comfortable with it? +- [ ] Can you expand a little bit on your programming experiences, what are some examples of projects that you worked on? +- [ ] What did you do with Ansible? +- [ ] Can you talk a little about openstack, what is it and what are the most core components? +- [ ] Workshop + +Isabel questions: -- cgit v1.2.3