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refactor(hetzner): improve command; make error logging better
+37
-32
+2
-5
firewall/provider/hetzner/app.nix
+2
-5
firewall/provider/hetzner/app.nix
···
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{pkgs, lib ? pkgs.lib, taggedPorts, id}: let
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l = lib // (import ./rules.nix {inherit lib;});
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firewallRules =
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builtins.toFile
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"hetzner-firewall-${toString id}-rules.json"
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(builtins.toJSON (l.mkFirewallRuleset taggedPorts));
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in pkgs.writers.writeNu "apply-hetzner" ''
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let firewallId = ${toString id}
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let rulesFile = "${firewallRules}"
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${l.fileContents ./app.nu}
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in pkgs.writers.writeNu "apply-hetzner-firewall-${toString id}" ''
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nu ${./app.nu} ${toString id} ${firewallRules}
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''
+33
-27
firewall/provider/hetzner/app.nu
+33
-27
firewall/provider/hetzner/app.nu
···
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use std/log
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let authHeader = ["authorization" $"Bearer ($env.HETZNER_API_TOKEN)"]
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def main [firewallId: number, rulesFile: path, --auth-token (-t): string] {
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let auth_token: string = if $auth_token == null { $env.HETZNER_API_TOKEN? } else { $auth_token }
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let authHeader: list<string> = ["authorization" $"Bearer ($auth_token)"]
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def makeApiUrl [path: string] {
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return $"https://api.hetzner.cloud/v1($path)"
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}
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def post [path: string] {
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$in | http post -e --full -H $authHeader --content-type application/json (makeApiUrl $path)
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}
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def get [path: string] {
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http get -e --full -H $authHeader (makeApiUrl $path)
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}
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def makeApiUrl [path: string] {
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return $"https://api.hetzner.cloud/v1($path)"
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}
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def post [path: string] {
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$in | http post -e --full -H $authHeader --content-type application/json (makeApiUrl $path)
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}
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def get [path: string] {
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http get -e --full -H $authHeader (makeApiUrl $path)
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}
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# first fetch firewall to see if it even exists
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let resp = get $"/firewalls/($firewallId)"
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if $resp.status == 404 {
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log error $"provided firewall \(id ($firewallId)\) does not exist"
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exit 1
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}
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let firewall = $resp.body | get firewall
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# first fetch firewall to see if it even exists
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let resp = get $"/firewalls/($firewallId)"
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if $resp.status == 404 {
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log error $"provided firewall \(id ($firewallId)\) does not exist"
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exit 1
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} else if $resp.status != 200 {
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log error $"could not get firewall \(id ($firewallId)\):\n($resp.body.error | to text -n)"
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exit 1
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}
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let firewall = $resp.body | get firewall
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# backup firewall
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let backupPath = $".hetzner/($firewallId).json"
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mkdir .hetzner; $firewall | to json | save -f $backupPath
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log info $"backing up firewall ($firewallId) to ($backupPath)"
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# backup firewall
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let backupPath = $".hetzner/($firewallId).json"
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mkdir .hetzner; $firewall | to json | save -f $backupPath
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log info $"backing up firewall ($firewallId) to ($backupPath)"
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# apply rules
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let resp = open $rulesFile | post $"/firewalls/($firewallId)/actions/set_rules"
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if $resp.status != 201 {
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log error $"could not apply firewall \(id ($firewallId)\):\n($resp.body | to text)"
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exit 2
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# apply rules
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let resp = open $rulesFile | post $"/firewalls/($firewallId)/actions/set_rules"
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if $resp.status != 201 {
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log error $"could not apply firewall \(id ($firewallId)\):\n($resp.body.error | to text -n)"
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exit 2
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}
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log info $"applied firewall ($firewallId)"
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}
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log info $"applied firewall ($firewallId)"