this post was submitted on 17 Feb 2024
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77
I love Home Assistant, but... (lemmy.ml)
submitted 7 months ago by [email protected] to c/[email protected]
56 comments fedilink hide all child comments
 

Okay, let me start by saying that I really do love Home Assistant. I believe that it is a fantastic piece of software, with very dedicated developers that are far more talented than I. Although, that being said, I strongly disagree with a number of their design choices.

My most recent problem has been trying to put Home Assistant behind a reverse proxy with a subpath. The Home Assistant developers flat out refuse any contribution that adds support for this. Supposedly, the frontend has hard-coded paths for some views, to me this doesn't sound like a good practice to begin with -- that being said, I mostly program in Go these days (so I'm unsure if this is something that is pretty common in some frameworks or languages). The official solution is to use a subdomain, which I can't do -- I'm trying to route all services through a Tailscale Funnel (which only provides a single domain; I doubt that Tailscale Funnels where ever designed for this purpose, but I'm trying to completely remove Cloudflare Tunnels for my selfhosted services).

The other major problem I've ran into, is that HAOS assumes that you would have no need to run any other Docker services other than those that are add-ons or Home Assistant itself. Which, I'm sorry (not really), Home Assistant add-ons are an absolute pain to deal with! Sure, when they work, they're supper simple, but having to write an add-on for whenever I just want to spin up a single Docker container is not going to work for me.

Now, some smaller issues I've had:

  • There's no way to change the default authentication providers. I host for my (non-techie) family, they're not going to know what the difference between local authentication and command-line authentication is, just that one works and the other doesn't.
  • Everything that is "advanced" requires a workaround. Like mounting external hard drives and sharing it with containers in HAOS requires you to setup the Samba add-on, add the network drive, and then you can use it within containers.

Again, I still really love Home Assistant, it's just getting to a point where things are starting to feel hacky or not thought out all the way. I've considered other self-hosted automation software, but there really isn't any other good alternative (unless you want to be using HomeKit). Also, I'm a programmer first, and far away from being a self-hosting pro (so let me know if I've missed any crucial details that completely flip my perspective on it's head).

If you got to the end of this thanks for reading my rant, you're awesome.

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[–] [email protected] 33 points 7 months ago (1 children)

I think your missing the point of HAOS, it's an appliance. You don't manage it like a normal self host system.

Once you treat it as an appliance, it's great. Also there is a portainer agent you can run that will connect to a portainer instance.

As for your tunnel issues, maybe the tunnel thing is your biggest issue. I run all my self host stuff on its own subdomain, if I want to route something home I use the site to site VPN I have. Even a cheap ovh vps could be a way to run stuff on subdomains

[–] [email protected] 4 points 7 months ago (1 children)

Require a subdinain should not be mandatory in 2024.

Sub paths should be such a basic feature that's ridiculous devs don't even take that into consideration.

Why? Because a software requiring absolute paths is as old and obsolete as an msdos program, and the only real reason it happens today is... Bad design choices or limited frameworks.

[–] [email protected] 1 points 7 months ago (1 children)

Requiring a full URL will be more of security thing I would guess, as some users put HA on the internet and it could have access to open doors.

Also I have tried things on sub paths and it got very complicated to know where a service was, a domain keeps things easy to setup and manage. As I run internet facing services for my day job, I have to look at both security and easy of maintenance when setting things up.

I would say that if you need a path over domain, its a skill issue and you need to find a better way of working.

[–] [email protected] 2 points 7 months ago (2 children)

Not really... Your attitude is the problem.

Sub paths are simpler to deploy: need only one certificate, need only one subdomain.

In any case you need reverse proxy so security is not the matter here.

Your use cases are not mine and both ways should always be possible.

You never need a subpath over a subdomain, nor viceversa, it is (or should) always be a choice.

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[–] [email protected] 24 points 7 months ago* (last edited 7 months ago) (1 children)

The other major problem I’ve ran into, is that HAOS assumes that you would have no need to run any other Docker services other than those that are add-ons or Home Assistant itself.

With the caveat that I can tell just from your post that I certainly know way less about this stuff than you do, HAOS' assumption seems pretty reasonable to me. Isn't the point of using HAOS (as opposed to installing HA some other way) that you'd be either (a) using it by itself on bare-metal hardware, or (b) using it in a VM? I'm running HAOS and Docker in two different VMs on Proxmox, and it's working fine for me so far.

(The first complaint you mentioned, about reverse proxies and subpaths, sounds a lot more legitimate. In fact, that's something I'd like to learn more about because I haven't yet figured out how to make my HA install -- or anything, for that matter -- accessible outside my LAN and "Tailscale Funnel" sounds intriguing.)

[–] [email protected] 1 points 7 months ago* (last edited 7 months ago)

I’m running HAOS and Docker in two different VMs on Proxmox, and it’s working fine for me so far.

So, I think I've mentioned this in another reply, but, I have a very minimal setup. It's a RPi4 as the main device, Starlink as the ISP (CGNAT; no port-forwarding), and now Tailscale as the only way to access outside of my LAN. I agree that HAOS meets it's primary job of running Home Assistant. Although, I don't have the option to run Proxmox (at least I've never seen anyone run Proxmox on an RPi) and also have a massive music library (and soon a large movie and TV show collection, once I rip all of those DVDs) so I really only need to run a few things:

  • A dashboard to make accessing the services easier for the family.
  • A reverse proxy to handle subpaths (this used to be Cloudflare Tunnels with subdomains and NPM with subpaths, now it's just Nginx).
  • Tailscale (to expose services and run a VPN to get past the CGNAT).
  • Jellyfin (for TV shows and movies).
  • A forked version of Goinc (I have a fork with LDAP support, there's an open pull request for it, but it needs a little extra work; this wasn't ran on HA).
  • Something to run LDAP authentication.
  • Some Home Automation software (was Home Assistant, I migth switch to something else).

Edit: I also run Vaultwarden.

I've really scaled things back since previous self-hosting journeys, and when I first started with HAOS there was even less going on, and really I need things to just work. I'm learning now that my mistake was assuming that HAOS add-ons are supposed to behave just like a Docker container, they're not. I've learned the hard way, but, I still don't love HA's attitude towards something that are deemed "complex," such as sub-paths and alternative authentication providers.

I'm on RPi OS now.

[–] [email protected] 11 points 7 months ago (4 children)

I can't grasp your use case I feel, pretty much all your complaints seem... odd. To me at least.

First subdomain. I think HA is completely right that proxy with a subpath is basically an anti-pattern that just makes things worse for you and is always a bad idea (with very few exceptions).

As for your tunnel I don't know how you've set it up and I haven't used tailscale but them only allowing one domain sounds like a very arbitrary limit, is it something that costs money to add? I use NetBird which I selfhost on my VPS and from there tunnel into my much beefier home setup.

Then docker in HAOS. The proper way I feel of running HA is for sure HAOS, and also running it in its own VM / or on dedicated hardware. This because you will likely need to couple additional hardware like a stick providing support for more protocols like ZigBee or Matter. It really isn't a good solution for running all your self hosted stuff, and wasn't ever intended to be. Running Plex in HA for instance is just a plain bad idea, even if it can be done. As such the need for an external drive seems strange as well. If you need to interact with storage you should set up a NAS and share over SAMBA. All this to say that HA should be one VM/Device, your docker environment another VM.

As for authentication there are 10k plus contributors to Home Assistant yearly but very few bother to make authentication more streamlined. I would've loved OpenID/OAuth2 support natively but there are ways to do so with custom components and in the end I quite strongly feel that if the end-users of your smarthome setup (i.e. the wife and kids) need to login to Home Assistant then you've probably got more work to do. Remote controls which interact with HA handle the vast majority of manual interaction and I've dabbled with self-hosted voice interfaces for the more complex operations.

Sorry if this came across as writing you on the nose, that's not my intention. I just suspect you're making things harder for yourself and maybe have a strange idea around how to selfhost in general?

[–] [email protected] 2 points 7 months ago (1 children)

You make some good points, I've said a few times now that I mistook Home Assistant add-ons as traditional Docker containers (which I've learned the hard way is flat out wrong, you know what they say about assumptions).

First subdomain. I think HA is completely right that proxy with a subpath is basically an anti-pattern that just makes things worse for you and is always a bad idea (with very few exceptions).

I don't agree with the comment replying about how developers are lazy. That being said, I also wouldn't call a subpath an anti-pattern, it's not uncommon and I wouldn't say that it is always a bad idea (they have some pros and cons on subdomains and it's what my setup calls for).

As for your tunnel I don’t know how you’ve set it up and I haven’t used tailscale but them only allowing one domain sounds like a very arbitrary limit, is it something that costs money to add? I use NetBird which I selfhost on my VPS and from there tunnel into my much beefier home setup.

There's an open feature request for subdomains, but it hasn't really gone anywhere. I'm assuming that it must be how they handle SSL certificates.

As for authentication there are 10k plus contributors to Home Assistant yearly but very few bother to make authentication more streamlined. I would’ve loved OpenID/OAuth2 support natively but there are ways to do so with custom components and in the end I quite strongly feel that if the end-users of your smarthome setup (i.e. the wife and kids) need to login to Home Assistant then you’ve probably got more work to do. Remote controls which interact with HA handle the vast majority of manual interaction and I’ve dabbled with self-hosted voice interfaces for the more complex operations.

Yeah, I've seen the idea that Home Assistant shouldn't be the part you interact with several times, but I don't really know of any better things to handle this. None of us really love voice controls and I've toyed around with Google Home (but I think it's absolute garbage and self-host to get away from companies like Google).

I just suspect you’re making things harder for yourself and maybe have a strange idea around how to selfhost in general?

Not my ideas that are strange, I'd love to have a traditional setup. I've mentioned it a few times in other replies, I just don't want to be the "just look at my other replies" person, so here's whats going on: Starlink is my ISP (CGNAT; I can't port-forward), Tailscale is now my only way of accessing things off of my LAN (I didn't mind Cloudflare Tunnels, but Cloudflare scares me and Jellyfin is a pretty important thing and supposedly if you want to stream video you're not allowed/supposed to use Tunnels), my only device is an RPi4 (I've tried other devices, but I really love the simplicity of the Pi -- and also don't have many other devices that would work that good for self-hosting).

Again, I'd love to have a "normal" ISP (we live in the middle of no where) that lets me port-forward and is nice and something other than a Pi to host on, but this is what I'm stuck with.

Sorry if this came across as writing you on the nose, that’s not my intention.

It's all good I get where you're coming from, and I'm sure you understand what's going on for me.

[–] [email protected] 1 points 7 months ago

I think a VPS and moving to NetBird self hosted would be the simplest solution for you. $5 per month gives you a range of options and you can go even lower with things like yearly subscriptions. That way you get around the subdomain issue, you get a proper tunnel and can proxy whatever traffic you want into your home.

As for control scheme for your home automation you'll need to come up with something that fits you but I strongly advise against letting users into Home Assistant. You could build a simple web interface that interacts via API with HA, through Node-Red is super simple if it seems daunting to build the API.

If a RPi 4 is what you've got and that's it then I guess you're kinda stuck for the time being. Home Assistant is often quite lightweight if you're not doing something crazy so it runs well on even a RPi 3, same with NAS software for home use, it too works fine on a 3. If SBC is your style my recommendation is to setup an alert on whatever second hand sites operate in your area and pick up a cheap one to allow you to separate things and make the setup simpler.

[–] [email protected] 2 points 7 months ago

Why are subpaths an a anti pattern?

Why is taking away choices a problem?

Everybody has its own usage case, why should we prevent them from using their?

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[–] [email protected] 9 points 7 months ago* (last edited 7 months ago) (1 children)

do -- I'm trying to route all services through a Tailscale Funnel (which only provides a single domain

Seems like you have some limitation (I really don't know tailscail funnel) in your setup, and now you expect them to work around it.

HAOS assumes that you would have no need to run any other Docker services other than those that are add-ons or Home Assistant itself.

Yes, HAOS is great when you have one dedicated machine for it, for example a RPi. That's the whole purpose of HAOS, as far as I understand.

If you already have a zoo full of docker containers, then you want your Home Assistant (without HAOS) in just one more of your own containers.

[–] [email protected] 1 points 7 months ago

Seems like you have some limitation (I really don’t know tailscail funnel) in your setup, and now you expect them to work around it.

Sub-paths are actually a fairly requested feature for Home Assistant. Although, they have a limitation of hard-coded paths, which they now expect us to work around. I'm actually fairly okay with that, they're programmers who (a number of) work for free, with the exception of the few apart of Nabu Casa, and they've already exceeded my personal expectations it's not like I deserve any features, but they also don't deserve me to love 100% of their design decisions.

Yes, HAOS is great when you have one dedicated machine for it, for example a RPi. That’s the whole purpose of HAOS, as far as I understand.

I've admitted this already, but I seem to have totally miscalculated the ability of HAOS add-ons, and treated them like traditional Docker containers. This was my bad, and I learned the hard way, but at least now I know.

If you already have a zoo full of docker containers, then you want your Home Assistant (without HAOS) in just one more of your own containers.

I'm far from a zoo keeper. Once I setup everything on RPi OS again I'll have just a few things for media (Jellyfin and a fork of Gonic, at least until my PR gets merged), Vaultwarden, and a home automation service (which may or may not be Home Assistant -- if I can figure out a decent way of exposing it) I less services being hosted when I was on HAOS.

[–] [email protected] 9 points 7 months ago (1 children)

I second the complaint about subpaths. I have all my services on a single domain, except for HA. It's for security by obscurity, when you issue a certificate for a subdomain you start getting malicious traffic probing for vulnerabilities almost immediately. I don't have this problems for services with non-obvious subpaths.

I can't understand the stubbornness of developers to accept patches for fixing this problem.

[–] [email protected] 4 points 7 months ago* (last edited 7 months ago) (1 children)

~~LetsEncrypt can hand out wildcard certs if you are able to add TXT records to your domain, if that helps any.~~

I realised this was a stupid comment that doesn't help any.

[–] [email protected] 1 points 7 months ago

No no, that's how i'm working around the problem now, but i'm sure sni sniffing will sooner or later make my domain well known

[–] [email protected] 4 points 7 months ago

I'm always very wary of systems that require a user to deviate as much from the "usual" structure almost all other services use. HAOS has really weird configs and "all the functionality" that presumably breaks when you use docker and don't have the supervisor for docker... well... If what HA did was the way to go... whi is it that tons of services use docker's rather powerful internal networking features just fine but HA of all things can't do that and requires weird addons that for some reason cannot live on any other system than a Debian with weirdly specific modifications (bye bye cgroupsv2)? This will break most other functionality of that host Debian. I mean... if only there was a widespread-way to provide a highly customized Linux kernel in an ephemeral environment that can just be plugged in and out of a host machine without changing the host machine itself.... Nah, can't have that, let's cause more overhead with a VM...

I'm not willing to make that kind of modifications to my whole setup just for HA and in the long run, this rift between "the way it's usually done" and "The HA-Way" will become bigger and bigger, causing more and more problems.

[–] [email protected] 2 points 7 months ago (2 children)

I will first admit that I am quite ignorant to Home Assistant.

I am a happy openHAB user for 5+ years. Have you considered switching to see if you like it?

I tried Home Assistant once or twice but never felt comfortable enough to switch.

I run stuff locally and can connect over VPN to my home and operate as if I am inside the home. I have not looked into these other cloudflare tunnels or tail scale as I don't think it would provide any advantage to my current setup.

OpenVPN server running on my router does the trick.

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[–] [email protected] 2 points 7 months ago* (last edited 7 months ago)

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters More Letters
CGNAT Carrier-Grade NAT
HA Home Assistant automation software
~ High Availability
HASS Home Assistant automation software
IP Internet Protocol
LXC Linux Containers
NAS Network-Attached Storage
NAT Network Address Translation
Plex Brand of media server package
RPi Raspberry Pi brand of SBC
SAN Storage Area Network
SBC Single-Board Computer
SSL Secure Sockets Layer, for transparent encryption
SSO Single Sign-On
TCP Transmission Control Protocol, most often over IP
TLS Transport Layer Security, supersedes SSL
VPN Virtual Private Network
VPS Virtual Private Server (opposed to shared hosting)

17 acronyms in this thread; the most compressed thread commented on today has 8 acronyms.

[Thread #519 for this sub, first seen 17th Feb 2024, 08:05] [FAQ] [Full list] [Contact] [Source code]

[–] [email protected] 1 points 7 months ago* (last edited 7 months ago)

Caddy and Rewrite / strip_prefix doesn't work?

reverse Proxy based on the /homass and then internally strip the prefix from /homass/x to just /x ?

[–] [email protected] 1 points 7 months ago* (last edited 7 months ago) (1 children)

Many systems dont support subpaths as it can cause some really weird problems.
As you use tailscale funnels, you really want incoming traffic from the internet. I am not sure thats a good idea for e.g. homeassistant that is limited in access anyways.
Might aswell use tailscale and access the system over VPN.

And for anything serious i wouldnt use something like funnel anyways. Rent a VPS and use that as your reverse-proxy, you can then also do some caching or host some services there. Much simpler to deal with and full support for such things as you then have an actual public IPv4/IPv6 address to use.
Heck, dont even have to pay for it with the Oracle Always-Free system.

[–] [email protected] 1 points 7 months ago (1 children)

I largely agree with this, but (and this might be me being a little paranoid) I don't really trust anyone to handle my data like that. I self-host as much as possible to get away from things beyond my control, I understand that this is an extremist view of things, but the only reason why I use Tailscale Funnel is because the family would either not know how to, or not want, to deal with a VPN like that.

[–] [email protected] 3 points 7 months ago* (last edited 7 months ago)

As far as i understood tailscale funnel its just a TCP-tunnel.
So you handle TLS on your own system, which makes sure tailscale cannot really interfere.

If you already trust them this far, might aswell do the same with a VPS and gain much more flexibility and independence (you can easily switch VPS provider, you cannot really switch tailscale funnel provider, you vendor-locked yourself in that regard)

I'd connect the VPS and your home system via VPN (you can probably also use tailscale for this) and then you can use a tcp-tunnel (e.g. haproxy), or straight up forward the whole traffic via firewall-rules (a bit more tricky, but more flexible.. though not that easy with tailscale.. probably best to use TCP-tunnel with PROXY-Protocol).
This way you can use all ports, all protocols, incoming and outgoing traffic with the IP-Address of the VPS.

Tailscale might even already have something that can configure this for you.. but i dont really know tailscale, so idk..

And as you terminate TLS on your home-system, traffic flowing through the VPS is always encrypted.

If you want to go overboard, you can block attackers on the server before it even hits your home-system (i think crowdsec can do it, the detector runs on your home-system and detects attacks and can issue bans which blocks the attacker on the VPS)

And yes, its a bit paranoid.. but its your choice.
My internet connection here isnt good enough to do major stuff like what i am doing (handling media, backups and other data) so i rent some dedicated machines (okay, i guess a bit more secure than a VPS, but in the end its not 100% in your control either)

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