forked from Deuxfleurs/nixcfg
reorganize documentation
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75
README.md
75
README.md
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@ -8,77 +8,18 @@ It sets up the following:
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- Consul, with TLS
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- Nomad, with TLS
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## How to use this?
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## How to welcome a new administrator
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See the following documentation topics:
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See: https://guide.deuxfleurs.fr/operations/acces/pass/
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- [Quick start for adding new nodes after NixOS install](doc/quick-start.md)
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- [Architecture of this repo, how the scripts work](doc/architecture.md)
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- [List of TCP and UDP ports used by services](doc/ports)
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Basically:
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- The new administrator generates a GPG key and publishes it on Gitea
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- All existing administrators pull their key and sign it
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- An existing administrator reencrypt the keystore with this new key and push it
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- The new administrator clone the repo and check that they can decrypt the secrets
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- Finally, the new administrator must choose a password to operate over SSH with `./passwd prod rick` where `rick` is the target username
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Additionnal documentation topics:
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## How to create files for a new zone
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*The documentation is written for the production cluster, the same apply for other clusters.*
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Basically:
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- Create your `site` file in `cluster/prod/site/` folder
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- Create your `node` files in `cluster/prod/node/` folder
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- Add your wireguard configuration to `cluster/prod/cluster.nix`
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- You will have to edit your NAT config manually
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- To get your node's wg public key, you must run `./deploy_prod prod <node>`, see the next section for more information
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- Add your nodes to `cluster/prod/ssh_config`, it will be used by the various SSH scripts.
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- If you use `ssh` directly, use `ssh -F ./cluster/prod/ssh_config`
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- Add `User root` for the first time as your user will not be declared yet on the system
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## How to deploy a Nix configuration on a fresh node
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We suppose that the node name is `datura`.
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Start by doing the deployment one node at a time, you will have plenty of time
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in your operator's life to break everything through automation.
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Run:
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- `./deploy_wg prod datura` - to generate wireguard's keys
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- `./deploy_nixos prod datura` - to deploy the nix configuration files
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- need to be redeployed on all nodes as the new wireguard conf is needed everywhere
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- `./deploy_password prod datura` - to deploy user's passwords
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- need to be redeployed on all nodes to setup the password on all nodes
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- `./deploy_pki prod datura` - to deploy Nomad's and Consul's PKI
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## How to operate a node
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Edit your `~/.ssh/config` file:
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```
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Host dahlia
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HostName dahlia.machine.deuxfleurs.fr
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LocalForward 14646 127.0.0.1:4646
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LocalForward 8501 127.0.0.1:8501
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LocalForward 1389 bottin.service.prod.consul:389
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LocalForward 5432 psql-proxy.service.prod.consul:5432
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```
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Then run the TLS proxy and leave it running:
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```
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./tlsproxy prod
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```
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SSH to a production machine (e.g. dahlia) and leave it running:
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```
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ssh dahlia
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```
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Finally you should see be able to access the production Nomad and Consul by browsing:
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- Consul: http://localhost:8500
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- Nomad: http://localhost:4646
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- [Succint guide for NixOS installation with LUKX full disk encryption](doc/nixos-install.md) (we don't do that in practice on our servers)
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- [Example `hardware-config.nix` for a full disk encryption scenario](doc/example-hardware-configuration.nix)
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## Why not Ansible?
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@ -120,6 +120,10 @@ Remotely: `ssh-copy-id <user>@<ip>`. Check SSH access is good.
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## Deploy from this repo
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See [this documentation](quick-start.md).
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## Old guide
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It's time!
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**Files in this repo to create/change:**
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73
doc/quick-start.md
Normal file
73
doc/quick-start.md
Normal file
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@ -0,0 +1,73 @@
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# Quick start
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## How to welcome a new administrator
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See: https://guide.deuxfleurs.fr/operations/acces/pass/
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Basically:
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- The new administrator generates a GPG key and publishes it on Gitea
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- All existing administrators pull their key and sign it
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- An existing administrator reencrypt the keystore with this new key and push it
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- The new administrator clone the repo and check that they can decrypt the secrets
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- Finally, the new administrator must choose a password to operate over SSH with `./passwd prod rick` where `rick` is the target username
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## How to create files for a new zone
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*The documentation is written for the production cluster, the same apply for other clusters.*
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Basically:
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- Create your `site` file in `cluster/prod/site/` folder
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- Create your `node` files in `cluster/prod/node/` folder
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- Add your wireguard configuration to `cluster/prod/cluster.nix`
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- You will have to edit your NAT config manually to bind one public IPv4 port to each node
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- Nodes' public wireguard keys are generated during the first run of `deploy_nixos`, see below
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- Add your nodes to `cluster/prod/ssh_config`, it will be used by the various SSH scripts.
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- If you use `ssh` directly, use `ssh -F ./cluster/prod/ssh_config`
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- Add `User root` for the first time as your user will not be declared yet on the system
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## How to deploy a Nix configuration on a fresh node
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We suppose that the node name is `datura`.
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Start by doing the deployment one node at a time, you will have plenty of time
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in your operator's life to break everything through automation.
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Run:
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- `./deploy_nixos prod datura` - to deploy the nix configuration file;
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- a new wireguard key is printed if it hadn't been generated before, it has to be
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added to `cluster.nix`, and then redeployed on all nodes as the new wireguard conf is needed everywhere
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- `./deploy_passwords prod datura` - to deploy user's passwords
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- if a user changes their password (using `./passwd`), needs to be redeployed on all nodes to setup the password on all nodes
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- `./deploy_pki prod datura` - to deploy Nomad's and Consul's PKI
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## How to operate a node
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Edit your `~/.ssh/config` file:
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```
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Host dahlia
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HostName dahlia.machine.deuxfleurs.fr
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LocalForward 14646 127.0.0.1:4646
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LocalForward 8501 127.0.0.1:8501
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LocalForward 1389 bottin.service.prod.consul:389
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LocalForward 5432 psql-proxy.service.prod.consul:5432
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```
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Then run the TLS proxy and leave it running:
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```
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./tlsproxy prod
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```
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SSH to a production machine (e.g. dahlia) and leave it running:
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```
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ssh dahlia
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```
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Finally you should see be able to access the production Nomad and Consul by browsing:
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- Consul: http://localhost:8500
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- Nomad: http://localhost:4646
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