Merge branch 'master' of code.ungleich.ch:ungleich-public/ungleich-staticcms
This commit is contained in:
Nico Schottelius
commit
a7f1f52713
5 changed files with 439 additions and 0 deletions
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title: How i run my ceph cluster or how you can make a killer storage solutions for almost free
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||||||
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---
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||||||
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pub_date: 2020-01-08
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||||||
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---
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||||||
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author: ungleich
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||||||
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---
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||||||
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twitter_handle: ungleich
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||||||
|
---
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||||||
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_hidden: yes
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||||||
|
---
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||||||
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_discoverable: no
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||||||
|
---
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||||||
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abstract:
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||||||
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I wanted to store some data data and this is what I've came up with.
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||||||
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---
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||||||
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||||||
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body:
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||||||
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||||||
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Low cost, high tech datastorage with ceph
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First of all why would you run a ceph cluster? Its complex, a bit time consuming and easier to lose data than using zfs or ext4.
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My reasons:
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its very easy to expand/shrink
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||||||
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manage all your data/disks from 1 host (can be a security risk too)
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its fun
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||||||
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we have it in production and it scales well
|
||||||
|
unifying the physical
|
||||||
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|
||||||
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Step 1 :
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||||||
|
Find your local hw dealer.
|
||||||
|
Second hand sites can be a good source, but good deals are rare. My tactics on ricardo.ch is: server & zubehor, filters: used, auction, max 1,5kchf, sorted with the ending soonest first) link : https://www.ricardo.ch/de/c/server-und-zubehoer-39328/?range_filters.price.max=1527&item_condition=used&offer_type=auction&sort=close_to_end
|
||||||
|
Nearby dangerous material (ewaste) handler companies can be a goldmine. Big companies cannot just throw used hardware out as regular waste becuse electronics contains a little amount of lead (or some other heavy metal). So big compnies sometimes happy to sell it as a used product for cheap and ewaste companies are happy if they get more money than the recycled price / kg which is very-very low
|
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low quality (core2duo era) pc-s also suffice, but you wont be able to do erasure coded pools are they use a ton of processing power and ram.. be careful with the ram, if you run out of swap/ram, your osd process will be killed, learnt it the hard way. also sometimes recovery uses more ram than usual so keep some free ram for safety.
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Put 10G nics on your shopping list, for performance, its absolutely crucial. I've started without it, and its certainly doable but it wont perform well. A little hack is to pick up gigabit nic cards (as some people give them away for free), and put them in an lacp bond. Note here: lacp doesnt make a single connection's speed better, the benefit is only realized at parallel connections.
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If you dont care or have equal disks by size or speed no worries, ceph will happily consume everything you feed to it (except smr disks* or strictly only for frozen data) One hack is to snag some old/low capacity disks for free. If you do everyting right you can surpass ssd speeds with crappy spinning rusts. Worried about disks dying? Just have higher redundancy levels (keep 2 extra copies of your data)
|
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My personal approach is to have coldish data 2 times, hot data like vms 3x and 1 extra copy of both on non-ceph filesystem.
|
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You can also group disks by performance/size. Ideally the disks should be uniform in a ceph device class, and equally distributed between hosts.
|
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|
Avoid hardware raid, use cards that allow full control for to os over the disks. If you must use hw raid, raid0 is the way.
|
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Install:
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You can check out my ugly install script that meant to bootstrap a cluster on a vm.
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tested on an alpine vm with an attached /dev/sdb datablock (don't use legacy ip (ipv4))
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|
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apk add bash
|
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wget http://llnu.ml/data/ceph-setup
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bash ./ceph-setup $ip_address_of_the_machine $subnet_that_you_will_plan_to_use
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||||||
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|
||||||
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Operation:
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I've never prepared a disks manually yet which i should definetly review, because Nico wrote amazing helper scripts which can be found in our repo: https://code.ungleich.ch/ungleich-public/ungleich-tools.git
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Some scripts still need minor modifications because alpine doesnt ship ceph init scripts yet. For the time being I manage the processes by hand.
|
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|
||||||
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Alpine's vanilla kernel doesnt have rbd support compiled in it atm, but for any kernel that doesnt have the kernel module, just use rbd-nbd to map block devices from you cluster.
|
||||||
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|
||||||
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|
||||||
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|
||||||
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* https://blog.widodh.nl/2017/02/do-not-use-smr-disks-with-ceph/
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||||||
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||||||
|
Some useful commands:
|
||||||
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|
||||||
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|
||||||
|
|
||||||
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|
||||||
|
Today we’re at Leipzig, Germany. Last day of [36c3](https://events.ccc.de/category/congress/36c3/), Chaos Communication Congress.
|
||||||
|
|
||||||
|
|
||||||
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|
||||||
|
## The earth is getting hotter
|
||||||
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|
||||||
73
content/u/blog/visit-a-zero-carbon-datacenter/contents.lr
Normal file
73
content/u/blog/visit-a-zero-carbon-datacenter/contents.lr
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@ -0,0 +1,73 @@
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title: Visit a zero carbon data center
|
||||||
|
---
|
||||||
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pub_date: 2020-01-07
|
||||||
|
---
|
||||||
|
author: Nico Schottelius
|
||||||
|
---
|
||||||
|
twitter_handle: NicoSchottelius
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||||||
|
---
|
||||||
|
_hidden: no
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||||||
|
---
|
||||||
|
_discoverable: yes
|
||||||
|
---
|
||||||
|
abstract:
|
||||||
|
Don't trust us - trust your eyes
|
||||||
|
---
|
||||||
|
body:
|
||||||
|
|
||||||
|
From time to time we get the question "Are you really a zero carbon
|
||||||
|
data center? How do you proof it?".
|
||||||
|
|
||||||
|
As we use a local hydro power plant and local solar panels, we don't
|
||||||
|
have CO2 compensation certificates, because, well, we don't
|
||||||
|
compensate, but don't emit in the first place.
|
||||||
|
|
||||||
|
## Don't take our word
|
||||||
|
|
||||||
|
But why should you believe us? Maybe all those nice pictures we post
|
||||||
|
are just taken from a stock photograph website? And the answer is:
|
||||||
|
You don't need to.
|
||||||
|
|
||||||
|
## Inspect yourself
|
||||||
|
|
||||||
|
Instead of believing us, we invite you to visit us,
|
||||||
|
the [Data Center Light](/u/projects/data-center-light/) in the heart
|
||||||
|
of [Digital Glarus](/u/projects/digital-glarus/). We invite you to
|
||||||
|
visit, to take pictures, to convince yourself. To post the pictures
|
||||||
|
and to share it.
|
||||||
|
|
||||||
|
To have a look at the hydro power plant (its loud!), the solar panels
|
||||||
|
(luckily not loud) and the server infrastructure. You will not
|
||||||
|
even find any cooling mechanism, because we don't cool our servers.
|
||||||
|
|
||||||
|
## Visit and stay
|
||||||
|
|
||||||
|
If just visiting to find out whether or not our claim is true sounds
|
||||||
|
like wasting a lot of resources, then why don't you even stay with us
|
||||||
|
and work or relax?
|
||||||
|
|
||||||
|
We can provide you with a place to sleep and stay over in the
|
||||||
|
[Hacking Hotel](/u/projects/hacking-hotel/) or the
|
||||||
|
[Digital Chalet](/u/projects/digital-chalet/), where you can work with
|
||||||
|
a 10 Gbit/s connection that goes directly to the data center.
|
||||||
|
|
||||||
|
|
||||||
|
## Why?
|
||||||
|
|
||||||
|
Here at ungleich we believe that full transparency is required to
|
||||||
|
establish trust. This is also why we launched the
|
||||||
|
[Open Infrastructure
|
||||||
|
project](https://redmine.ungleich.ch/projects/open-infrastructure/wiki),
|
||||||
|
which describes our internal infrastructure. This is also why Data
|
||||||
|
Center Light is solely based on Open Source Software.
|
||||||
|
|
||||||
|
And on top of all of this, we think that Glarus is already worth a
|
||||||
|
visit just for enjoying the very pretty view. Glarus is a lot like a
|
||||||
|
fairy tale, just in reality.
|
||||||
|
|
||||||
|
## How to visit
|
||||||
|
|
||||||
|
Just reach out to us by email (info at ungleich.ch),
|
||||||
|
[chat](https://chat.ungleich.ch) or
|
||||||
|
[twitter](https://twitter.com/ungleich) and we will share information
|
||||||
|
of how and when to best reach us with you.
|
||||||
88
content/u/products/colocation/contents.lr
Normal file
88
content/u/products/colocation/contents.lr
Normal file
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@ -0,0 +1,88 @@
|
||||||
|
title: Colocation
|
||||||
|
---
|
||||||
|
link:
|
||||||
|
---
|
||||||
|
_discoverable: yes
|
||||||
|
---
|
||||||
|
_hidden: no
|
||||||
|
---
|
||||||
|
subtitle: Your space in Data Center Light
|
||||||
|
---
|
||||||
|
feature1_title: Renewable Energy
|
||||||
|
---
|
||||||
|
feature1_text: Your hardware is fully powered by renewable energy.
|
||||||
|
|
||||||
|
---
|
||||||
|
feature2_title: Located in Switzerland
|
||||||
|
---
|
||||||
|
feature2_text: Our data center locations are based in Glarus in the
|
||||||
|
middle of Switzerland. Not only is it one of the safest places on
|
||||||
|
earth, it is also naturally cool.
|
||||||
|
|
||||||
|
---
|
||||||
|
feature3_title: Customisable
|
||||||
|
---
|
||||||
|
feature3_text: Your colocation can be fully customised to your
|
||||||
|
needs. Space, connectivity, IPv4 and IPv6 addresses can be freely configured.
|
||||||
|
---
|
||||||
|
description2:
|
||||||
|
|
||||||
|
At [Data Center Light](/u/projects/data-center-light) we don't use
|
||||||
|
traditional racks. Instead we give each server enough space (on
|
||||||
|
average 4m² surrounding area). This way we don't need to actively cool.
|
||||||
|
|
||||||
|
## How it works
|
||||||
|
|
||||||
|
If you want to bring your own hardware, you can select from the
|
||||||
|
following options:
|
||||||
|
|
||||||
|
## Space
|
||||||
|
|
||||||
|
For one server we provide you with 1m² of physical shelf space. We
|
||||||
|
call this our "base unit".
|
||||||
|
Your server can be 1U, 2U or even 4U high. Contact us for special sizes.
|
||||||
|
|
||||||
|
We expect your server to not create more warmth than 3000 BTU/h. If it
|
||||||
|
produces more heat, you will need to add more base units.
|
||||||
|
|
||||||
|
## Electricity
|
||||||
|
|
||||||
|
Your electricity usage is monitored and charged monthly. The price for
|
||||||
|
electricity is 0.2 CHF/kWh.
|
||||||
|
|
||||||
|
## Connectivity
|
||||||
|
|
||||||
|
We offer 3 levels of connectivity:
|
||||||
|
|
||||||
|
* 10 Mbit/s (burstable 1000 Mbit/s) - 15 CHF/month
|
||||||
|
* 100 Mbit/s (burstable 1000 Mbit/s) - 75 CHF/month
|
||||||
|
* 1000 Mbit/s - 400 CHF/month
|
||||||
|
|
||||||
|
10 and 100 Mbit/s are calculated on the 95% rule.
|
||||||
|
Most customers select the 100 Mbit/s option.
|
||||||
|
Bandwidth exceeding the booked tarif is charged at 2.5 CHF/Mbps.
|
||||||
|
|
||||||
|
You get a multi mode fiber cable (850nm transceivers) to your shelf.
|
||||||
|
|
||||||
|
## IP addresses
|
||||||
|
|
||||||
|
* Colocation includes a /48 IPv6 network for free
|
||||||
|
* IPv4 addresses are provided using NAT64 for 9 CHF/IPv4 address/month
|
||||||
|
|
||||||
|
## Setup Fee
|
||||||
|
|
||||||
|
The one time setup fee is 100 CHF. It includes configuring a VLAN
|
||||||
|
dedicated for you and adding routing to your own network.
|
||||||
|
|
||||||
|
## Sample calculations
|
||||||
|
|
||||||
|
* 1 base unit, 100 Mbit, /48 IPv6, no IPv4 = 50 + 75 = 125 CHF/month
|
||||||
|
* 2 base units, 100 Mbit, /48 IPv6, 2 IPv4 addresses = 2*50 + 75 + 2*9 = 193 CHF/month
|
||||||
|
* 4 base units, 100 Mbit, /48 IPv6, 40 IPv4 addresses = 4*50 + 75 + 40*9 = 635 CHF/month
|
||||||
|
* 4 base units, 1000 Mbit/s, /48 IPv6, no IPv4 = 4*50 + 400 = 600 CHF/month
|
||||||
|
|
||||||
|
## Fine print
|
||||||
|
|
||||||
|
All prices listed as usual without vat.
|
||||||
|
|
||||||
|
---
|
||||||
62
content/u/products/django-hosting/contents.lr
Normal file
62
content/u/products/django-hosting/contents.lr
Normal file
|
|
@ -0,0 +1,62 @@
|
||||||
|
_discoverable: no
|
||||||
|
---
|
||||||
|
_hidden: no
|
||||||
|
---
|
||||||
|
title: Django Hosting
|
||||||
|
---
|
||||||
|
subtitle: Hassle free Django hosting
|
||||||
|
---
|
||||||
|
feature1_title: Proven over years
|
||||||
|
---
|
||||||
|
feature1_text: Here at ungleich we do not only provide django hosting
|
||||||
|
as a service, but we also run Django instances and we provide
|
||||||
|
customers with Django based services.
|
||||||
|
---
|
||||||
|
feature2_title: Scalable
|
||||||
|
---
|
||||||
|
feature2_text: With our django hosting you can grow as needed. You
|
||||||
|
can start with a small sites, including development, testing or
|
||||||
|
staging systems and later grow to full production systems including
|
||||||
|
backup.
|
||||||
|
---
|
||||||
|
feature3_title: Sustainable & Carbon free
|
||||||
|
---
|
||||||
|
feature3_text: Because our Django hosting runs inside
|
||||||
|
[Data Center Light](/u/projects/data-center-light), you can run your
|
||||||
|
application with a good conscience and without emitting extra carbon.
|
||||||
|
|
||||||
|
---
|
||||||
|
content1_text:
|
||||||
|
## Development flow
|
||||||
|
|
||||||
|
The below diagram gives an overview of a typical development flow with
|
||||||
|
our Django hosting:
|
||||||
|
|
||||||
|
---
|
||||||
|
content1_image: djangohosting.svg
|
||||||
|
---
|
||||||
|
description2:
|
||||||
|
|
||||||
|
## How it works
|
||||||
|
|
||||||
|
## Components
|
||||||
|
|
||||||
|
Our Django hosting consists of 1-2 virtual machines and an optional
|
||||||
|
backup. Our customers often start with a development system
|
||||||
|
|
||||||
|
|
||||||
|
We strongly recommend to develop Django (like any other application)
|
||||||
|
with a version control system, even if you are just a single
|
||||||
|
developer. You can even use the [ungleich code
|
||||||
|
repository](https://code.ungleich.ch) for free
|
||||||
|
(you only need to [register an account](https://account.ungleich.ch)).
|
||||||
|
|
||||||
|
|
||||||
|
## Pricing
|
||||||
|
|
||||||
|
* Setup fee is 35 CHF
|
||||||
|
* Monthly fee is 20 CHF + price of the VM
|
||||||
|
* Typical development VM: 1 cores, 2 GB RAM, 10 GB SSD
|
||||||
|
* Typical small prod VM: 2 cores, 4 GB RAM, 20 GB SSD
|
||||||
|
* Typical default prod VM: 4 cores, 8 GB RAM, 50 GB SSD
|
||||||
|
* All VMs can be extended with extra HDD space
|
||||||
147
content/u/products/django-hosting/djangohosting.svg
Normal file
147
content/u/products/django-hosting/djangohosting.svg
Normal file
|
|
@ -0,0 +1,147 @@
|
||||||
|
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||||
|
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
|
||||||
|
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
|
||||||
|
<!-- Generated by graphviz version 2.42.3 (0)
|
||||||
|
-->
|
||||||
|
<!-- Title: G Pages: 1 -->
|
||||||
|
<svg width="760pt" height="443pt"
|
||||||
|
viewBox="0.00 0.00 760.00 443.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
|
||||||
|
<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 439)">
|
||||||
|
<title>G</title>
|
||||||
|
<polygon fill="white" stroke="transparent" points="-4,4 -4,-439 756,-439 756,4 -4,4"/>
|
||||||
|
<g id="clust1" class="cluster">
|
||||||
|
<title>cluster_local</title>
|
||||||
|
<polygon fill="none" stroke="black" points="8,-281 8,-427 400,-427 400,-281 8,-281"/>
|
||||||
|
</g>
|
||||||
|
<g id="clust2" class="cluster">
|
||||||
|
<title>cluster_production_datacenter</title>
|
||||||
|
<polygon fill="none" stroke="black" points="109,-8 109,-248 642,-248 642,-8 109,-8"/>
|
||||||
|
<text text-anchor="middle" x="375.5" y="-232.8" font-family="Times,serif" font-size="14.00">First data center</text>
|
||||||
|
</g>
|
||||||
|
<g id="clust3" class="cluster">
|
||||||
|
<title>cluster_production</title>
|
||||||
|
<polygon fill="none" stroke="black" points="117,-16 117,-217 459,-217 459,-16 117,-16"/>
|
||||||
|
<text text-anchor="middle" x="288" y="-201.8" font-family="Times,serif" font-size="14.00">Production environment</text>
|
||||||
|
</g>
|
||||||
|
<g id="clust4" class="cluster">
|
||||||
|
<title>cluster_staging</title>
|
||||||
|
<polygon fill="none" stroke="black" points="467,-17 467,-92 634,-92 634,-17 467,-17"/>
|
||||||
|
<text text-anchor="middle" x="550.5" y="-76.8" font-family="Times,serif" font-size="14.00">Staging environment</text>
|
||||||
|
</g>
|
||||||
|
<g id="clust5" class="cluster">
|
||||||
|
<title>cluster_offsite</title>
|
||||||
|
<polygon fill="none" stroke="black" points="408,-281 408,-356 708,-356 708,-281 408,-281"/>
|
||||||
|
<text text-anchor="middle" x="558" y="-340.8" font-family="Times,serif" font-size="14.00">Second data center</text>
|
||||||
|
</g>
|
||||||
|
<!-- editor -->
|
||||||
|
<g id="node1" class="node">
|
||||||
|
<title>editor</title>
|
||||||
|
<polygon fill="none" stroke="black" points="247.5,-419 146.5,-419 146.5,-383 247.5,-383 247.5,-419"/>
|
||||||
|
<text text-anchor="middle" x="197" y="-397.3" font-family="Times,serif" font-size="14.00">Local editor</text>
|
||||||
|
</g>
|
||||||
|
<!-- git -->
|
||||||
|
<g id="node2" class="node">
|
||||||
|
<title>git</title>
|
||||||
|
<polygon fill="none" stroke="black" points="182,-325 16,-325 16,-289 182,-289 182,-325"/>
|
||||||
|
<text text-anchor="middle" x="99" y="-303.3" font-family="Times,serif" font-size="14.00">Local version control</text>
|
||||||
|
</g>
|
||||||
|
<!-- editor->git -->
|
||||||
|
<g id="edge1" class="edge">
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|
<title>editor->git</title>
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<path fill="none" stroke="black" d="M178.57,-382.7C163.37,-368.43 141.65,-348.04 124.74,-332.16"/>
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<polygon fill="black" stroke="black" points="127.04,-329.52 117.35,-325.23 122.25,-334.62 127.04,-329.52"/>
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</g>
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|
<!-- localweb -->
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|
<g id="node3" class="node">
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|
<title>localweb</title>
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<polygon fill="none" stroke="black" points="391.5,-325 200.5,-325 200.5,-289 391.5,-289 391.5,-325"/>
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|
<text text-anchor="middle" x="296" y="-303.3" font-family="Times,serif" font-size="14.00">Development webserver</text>
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|
</g>
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||||||
|
<!-- editor->localweb -->
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||||||
|
<g id="edge3" class="edge">
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|
<title>editor->localweb</title>
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<path fill="none" stroke="black" d="M215.62,-382.7C230.97,-368.43 252.91,-348.04 270,-332.16"/>
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<polygon fill="black" stroke="black" points="272.52,-334.6 277.46,-325.23 267.75,-329.47 272.52,-334.6"/>
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</g>
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|
<!-- repo -->
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|
<g id="node5" class="node">
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|
<title>repo</title>
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<polygon fill="none" stroke="black" points="256.5,-186 125.5,-186 125.5,-148 256.5,-148 256.5,-186"/>
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|
<text text-anchor="middle" x="191" y="-170.8" font-family="Times,serif" font-size="14.00">Code repository</text>
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||||||
|
<text text-anchor="middle" x="191" y="-155.8" font-family="Times,serif" font-size="14.00">(f.i. git)</text>
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|
</g>
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|
<!-- git->repo -->
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|
<g id="edge2" class="edge">
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|
<title>git->repo</title>
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<path fill="none" stroke="black" d="M110.47,-288.8C126.2,-265.2 154.64,-222.54 173.16,-194.75"/>
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<polygon fill="black" stroke="black" points="176.17,-196.56 178.8,-186.3 170.34,-192.67 176.17,-196.56"/>
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</g>
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|
<!-- prodvm -->
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|
<g id="node4" class="node">
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<title>prodvm</title>
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<polygon fill="none" stroke="black" points="398,-62 228,-62 228,-24 398,-24 398,-62"/>
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|
<text text-anchor="middle" x="313" y="-46.8" font-family="Times,serif" font-size="14.00">Production Server</text>
|
||||||
|
<text text-anchor="middle" x="313" y="-31.8" font-family="Times,serif" font-size="14.00">uwsgi,nginx,postgres</text>
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|
</g>
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||||||
|
<!-- backupvm -->
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|
<g id="node8" class="node">
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<title>backupvm</title>
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<polygon fill="none" stroke="black" points="699.5,-325 580.5,-325 580.5,-289 699.5,-289 699.5,-325"/>
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|
<text text-anchor="middle" x="640" y="-303.3" font-family="Times,serif" font-size="14.00">Backup server</text>
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|
</g>
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||||||
|
<!-- prodvm->backupvm -->
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|
<g id="edge6" class="edge">
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|
<title>prodvm->backupvm</title>
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<path fill="none" stroke="black" d="M358.83,-62.1C388.13,-72.81 427.22,-85.51 463,-92 480.84,-95.24 613.06,-87.3 626,-100 673.73,-146.84 659.33,-234.8 648.01,-279.08"/>
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<polygon fill="black" stroke="black" points="644.6,-278.28 645.38,-288.84 651.36,-280.1 644.6,-278.28"/>
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|
<text text-anchor="middle" x="705.5" y="-163.3" font-family="Times,serif" font-size="14.00">Daily backup</text>
|
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|
</g>
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|
<!-- repo->prodvm -->
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|
<g id="edge4" class="edge">
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|
<title>repo->prodvm</title>
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|
<path fill="none" stroke="black" d="M167.56,-147.99C162.46,-142.8 157.77,-136.7 155,-130 149.9,-117.68 147.31,-110.89 155,-100 169.9,-78.91 193.45,-65.71 217.86,-57.47"/>
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|
<polygon fill="black" stroke="black" points="219.1,-60.75 227.61,-54.44 217.03,-54.07 219.1,-60.75"/>
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|
<text text-anchor="middle" x="228.5" y="-111.3" font-family="Times,serif" font-size="14.00">Deploy after staging</text>
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|
</g>
|
||||||
|
<!-- stagingvm -->
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||||||
|
<g id="node7" class="node">
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|
<title>stagingvm</title>
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|
<polygon fill="none" stroke="black" points="600.5,-61 475.5,-61 475.5,-25 600.5,-25 600.5,-61"/>
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|
<text text-anchor="middle" x="538" y="-39.3" font-family="Times,serif" font-size="14.00">Staging Server</text>
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||||||
|
</g>
|
||||||
|
<!-- repo->stagingvm -->
|
||||||
|
<g id="edge5" class="edge">
|
||||||
|
<title>repo->stagingvm</title>
|
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|
<path fill="none" stroke="black" d="M256.74,-152.12C264.89,-150.62 273.12,-149.2 281,-148 356.55,-136.49 383.03,-162.91 452,-130 480.51,-116.4 505.08,-89.32 520.56,-69.16"/>
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|
<polygon fill="black" stroke="black" points="523.47,-71.12 526.63,-61.01 517.85,-66.94 523.47,-71.12"/>
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||||||
|
<text text-anchor="middle" x="567.5" y="-111.3" font-family="Times,serif" font-size="14.00">Pre prod deployment</text>
|
||||||
|
</g>
|
||||||
|
<!-- monitoring -->
|
||||||
|
<g id="node6" class="node">
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|
<title>monitoring</title>
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|
<polygon fill="none" stroke="black" points="436,-185 290,-185 290,-149 436,-149 436,-185"/>
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|
<text text-anchor="middle" x="363" y="-163.3" font-family="Times,serif" font-size="14.00">Monitoring server</text>
|
||||||
|
</g>
|
||||||
|
<!-- monitoring->prodvm -->
|
||||||
|
<g id="edge7" class="edge">
|
||||||
|
<title>monitoring->prodvm</title>
|
||||||
|
<path fill="none" stroke="black" d="M330.58,-148.81C323.93,-143.69 317.81,-137.42 314,-130 304.96,-112.4 305.01,-89.98 307.16,-72.45"/>
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|
<polygon fill="black" stroke="black" points="310.67,-72.66 308.71,-62.25 303.75,-71.61 310.67,-72.66"/>
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||||||
|
<text text-anchor="middle" x="383" y="-118.8" font-family="Times,serif" font-size="14.00">Verify operation</text>
|
||||||
|
<text text-anchor="middle" x="383" y="-103.8" font-family="Times,serif" font-size="14.00">and alert on failure</text>
|
||||||
|
</g>
|
||||||
|
<!-- monitoringmonitor -->
|
||||||
|
<g id="node9" class="node">
|
||||||
|
<title>monitoringmonitor</title>
|
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|
<polygon fill="none" stroke="black" points="562,-325 416,-325 416,-289 562,-289 562,-325"/>
|
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|
<text text-anchor="middle" x="489" y="-303.3" font-family="Times,serif" font-size="14.00">Monitoring server</text>
|
||||||
|
</g>
|
||||||
|
<!-- monitoringmonitor->monitoring -->
|
||||||
|
<g id="edge8" class="edge">
|
||||||
|
<title>monitoringmonitor->monitoring</title>
|
||||||
|
<path fill="none" stroke="black" d="M427.45,-288.81C418.09,-284.17 409.18,-278.33 402,-271 381.78,-250.37 371.85,-218.21 367.1,-195.33"/>
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|
<polygon fill="black" stroke="black" points="370.49,-194.42 365.21,-185.23 363.61,-195.7 370.49,-194.42"/>
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|
<text text-anchor="middle" x="514" y="-259.8" font-family="Times,serif" font-size="14.00">Monitor the monitoring service</text>
|
||||||
|
</g>
|
||||||
|
</g>
|
||||||
|
</svg>
|
||||||
|
After Width: | Height: | Size: 7.9 KiB |
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Reference in a new issue