Staging: ability to run Nix jobs using exec2 driver
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0E496D15096376BE
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job "garage-staging" {
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type = "system"
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#datacenters = [ "neptune", "pluton" ]
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datacenters = [ "neptune" ]
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priority = 80
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constraint {
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attribute = "${attr.cpu.arch}"
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value = "amd64"
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}
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group "garage-staging" {
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network {
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port "s3" { static = 3990 }
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port "rpc" { static = 3991 }
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port "web" { static = 3992 }
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port "k2v" { static = 3993 }
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port "admin" { static = 3909 }
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}
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update {
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max_parallel = 1
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min_healthy_time = "30s"
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healthy_deadline = "5m"
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}
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# task "repair" {
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# lifecycle {
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# hook = "prestart"
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# sidecar = false
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# }
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# driver = "docker"
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# config {
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# image = "dxflrs/amd64_garage:v0.7.99-k2v"
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# command = "/garage"
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# args = [ "offline-repair", "--yes", "object_counters" ]
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# network_mode = "host"
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# volumes = [
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# "/mnt/storage/garage-staging/data:/data",
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# "/mnt/ssd/garage-staging/meta:/meta",
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# "secrets/garage.toml:/etc/garage.toml",
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# ]
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# }
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# template {
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# data = file("../config/garage.toml")
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# destination = "secrets/garage.toml"
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# }
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# resources {
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# memory = 2000
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# cpu = 1000
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# }
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# }
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task "server" {
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driver = "exec2"
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config {
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#command = "/usr/bin/env"
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command = "/run/current-system/sw/bin/nix"
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args = [
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"run",
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"git+https://git.deuxfleurs.fr/Deuxfleurs/garage.git?ref=nix-remove-system&rev=60c26fbc628d7b450ae39214b578ab6a30583d5c",
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"--",
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"server"
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]
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bind = {
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"/mnt/storage/garage-staging/data" = "/data",
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"/mnt/ssd/garage-staging/meta" = "/meta",
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}
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}
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template {
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data = file("../config/garage.toml")
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destination = "etc/garage.toml"
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}
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template {
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data = "{{ key \"secrets/consul/consul-ca.crt\" }}"
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destination = "etc/garage/consul-ca.crt"
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}
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template {
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data = "{{ key \"secrets/consul/consul-client.crt\" }}"
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destination = "etc/garage/consul-client.crt"
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}
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template {
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data = "{{ key \"secrets/consul/consul-client.key\" }}"
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destination = "etc/garage/consul-client.key"
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}
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template {
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data = <<EOH
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RUST_LOG=garage=debug
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EOH
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destination = "secrets/env"
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env = true
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}
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resources {
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memory = 2000
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memory_max = 3000
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cpu = 500
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}
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kill_signal = "SIGINT"
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kill_timeout = "20s"
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service {
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name = "garage-staging-s3-api"
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tags = [
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"garage-staging-api",
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"tricot garage-staging.home.adnab.me",
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"tricot garage.staging.deuxfleurs.org",
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"tricot-add-header Access-Control-Allow-Origin *",
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]
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port = "s3"
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#address_mode = "host"
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#check {
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# type = "tcp"
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# interval = "60s"
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# timeout = "5s"
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# check_restart {
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# limit = 3
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# grace = "90s"
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# ignore_warnings = false
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# }
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#}
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}
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service {
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name = "garage-staging-k2v-api"
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tags = [
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"garage-staging-k2v-api",
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"tricot k2v.staging.deuxfleurs.org",
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"tricot-add-header Access-Control-Allow-Origin *",
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]
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port = "k2v"
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#address_mode = "driver"
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# check {
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# type = "tcp"
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# port = 3993
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# address_mode = "driver"
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# interval = "60s"
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# timeout = "5s"
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# check_restart {
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# limit = 3
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# grace = "90s"
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# ignore_warnings = false
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# }
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# }
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}
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service {
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name = "garage-staging-rpc"
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tags = ["garage-staging-rpc"]
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port = "rpc"
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#address_mode = "driver"
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#check {
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# type = "tcp"
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# port = 3991
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# address_mode = "driver"
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# interval = "60s"
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# timeout = "5s"
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# check_restart {
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# limit = 3
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# grace = "90s"
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# ignore_warnings = false
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# }
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#}
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}
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service {
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name = "garage-staging-web"
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tags = [
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"garage-staging-web",
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"tricot *.web.staging.deuxfleurs.org",
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"tricot staging.deuxfleurs.org",
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"tricot matrix.home.adnab.me/.well-known/matrix/server",
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"tricot-add-header Access-Control-Allow-Origin *",
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]
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port = "web"
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#address_mode = "driver"
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#check {
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# type = "tcp"
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# port = 3992
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# address_mode = "driver"
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# interval = "60s"
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# timeout = "5s"
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# check_restart {
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# limit = 3
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# grace = "90s"
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# ignore_warnings = false
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# }
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#}
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}
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service {
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name = "garage-staging-admin"
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tags = [
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"garage-staging-admin",
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]
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port = "admin"
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#address_mode = "driver"
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}
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restart {
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interval = "1m"
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attempts = 10
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delay = "15s"
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mode = "delay"
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}
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}
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}
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}
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@ -74,18 +74,53 @@
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## -----
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## EXPERIMENTAL ON STAGING: NIX NOMAD DRIVER
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## EXPERIMENTAL ON STAGING: NIX NOMAD JOBS
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services.nomad.dropPrivileges = false;
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# ----- nomad-driver-nix & nomad-driver-exec2 -----
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services.nomad.extraSettingsPlugins =
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let nomad_driver_nix = import ./nomad-driver-nix.nix { inherit pkgs; };
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nomad_driver_exec2 = import ./nomad-driver-exec2.nix { inherit pkgs; };
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in [
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(pkgs.symlinkJoin {
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name = "nomad-drivers";
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paths = [
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nomad_driver_nix
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nomad_driver_exec2
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];
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})
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];
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# the nix driver requires flakes to be enabled and some commands to be available
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nix.settings.experimental-features = [ "nix-command" "flakes" ];
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services.nomad.extraPackages = [
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pkgs.nix
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pkgs.git
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];
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services.nomad.extraSettingsPlugins =
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let nomad_driver_nix = import ./nomad-driver-nix.nix { inherit pkgs; };
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in [ nomad_driver_nix ];
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# the nix driver requires flakes to be enabled
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nix.settings.experimental-features = [ "nix-command" "flakes" ];
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# default config for the exec2 driver
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services.nomad.settings.plugin = [
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{
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"exec2-driver" = [
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{
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config = [
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{
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bind_read_only = {
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"/etc/static" = "/etc/static";
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"/etc/passwd" = "/etc/passwd";
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"/etc/resolv.conf" = "/etc/resolv.conf";
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"/etc/nix/nix.conf" = "/etc/nix/nix.conf";
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"/etc/ssl" = "/etc/ssl";
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"/etc/nsswitch.conf" = "/etc/nsswitch.conf";
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"/nix" = "/nix";
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"/bin" = "/bin";
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"/usr" = "/usr";
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"/run/current-system/sw" = "/run/current-system/sw";
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};
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}
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];
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}
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];
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}
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];
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# use our cache as additionnal substituer (we put precompiled packages there,
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# like we used to do on the docker hub)
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@ -3,11 +3,15 @@
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copy nix/configuration.nix /etc/nixos/configuration.nix
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copy nix/deuxfleurs.nix /etc/nixos/deuxfleurs.nix
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copy nix/remote-unlock.nix /etc/nixos/remote-unlock.nix
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copy nix/nomad-driver-nix.nix /etc/nixos/nomad-driver-nix.nix
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copy cluster/$CLUSTER/cluster.nix /etc/nixos/cluster.nix
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copy cluster/$CLUSTER/node/$NIXHOST.nix /etc/nixos/node.nix
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copy cluster/$CLUSTER/node/$NIXHOST.site.nix /etc/nixos/site.nix
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if [ "$CLUSTER" = "staging" ]; then
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copy nix/nomad-driver-nix.nix /etc/nixos/nomad-driver-nix.nix
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copy nix/nomad-driver-exec2.nix /etc/nixos/nomad-driver-exec2.nix
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fi
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# use ./upgrade_nixos instead to upgrade NixOS
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#cmd "nix-channel --add https://nixos.org/channels/nixos-22.05 nixos"
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#cmd nixos-rebuild switch --upgrade --show-trace
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@ -171,6 +171,7 @@ in
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# and to pass directly to public DNS resolver all others
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services.unbound = {
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enable = true;
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enableRootTrustAnchor = false; # disable DNSSEC as it causes issues
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settings = {
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server = {
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interface = [ "127.0.0.1" "${cfg.lan_ip}" "172.17.0.1" ];
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@ -0,0 +1,31 @@
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{
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pkgs ? import <nixpkgs> {}
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}:
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pkgs.buildGoModule rec {
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pname = "nomad-driver-exec2";
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version = "0.1.0";
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src = pkgs.fetchFromGitHub {
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owner = "Alexis211";
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repo = "nomad-driver-exec2";
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rev = "14bd8f2010c3a1f90c6d1297f47ebbf46ee87dde";
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sha256 = "sha256-k75VEi2+9mS9v3bx/ygumy0niQP7bLWIgB0Zwhuky+k=";
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};
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vendorSha256 = "sha256-EQdTxVOBRYQjg7kAB+pFJYcNwk0zlsjjJxM+EO/cK84=";
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ldflags = [
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"-X github.com/Alexis211/nomad-driver-exec2/exec2.pluginVersion=${version}"
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];
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postInstall = ''
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mv $out/bin/nomad-driver-exec2 $out/bin/exec2-driver
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'';
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meta = with pkgs.lib; {
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description = "Nomad exec driver with support for bind mouns";
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homepage = "https://github.com/Alexis211/nomad-driver-exec2";
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license = licenses.mpl20;
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platforms = platforms.linux;
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};
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}
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@ -1,6 +1,11 @@
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#!/usr/bin/env ./sshtool
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cmd nix-channel --add https://nixos.org/channels/nixos-22.05 nixos
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if [ "$CLUSTER" = "staging" ]; then
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cmd nix-channel --add https://nixos.org/channels/nixos-22.11 nixos
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else
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cmd nix-channel --add https://nixos.org/channels/nixos-22.05 nixos
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fi
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cmd nix-channel --update
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cmd nixos-rebuild boot
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