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Add initial PostgreSQL and pgAdmin services with Nomad configuration

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This commit is contained in:
Adrian Cowan
2025-05-15 19:03:38 +10:00
parent 805636f44c
commit c6925362a6
6 changed files with 188 additions and 7 deletions
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13
1-nixos-node/configuration.nix
View File

@@ -50,10 +50,19 @@
path = "/opt/traefik";
read_only = false;
};
postgres = {
path = "/opt/postgres";
read_only = false;
};
};
cni_path = "${pkgs.cni-plugins}/bin";
};
plugin.docker.config.allow_privileged = true;
};
extraPackages = with pkgs; [
cni-plugins
consul
];
};
consul = {
enable = true;
@@ -65,6 +74,8 @@
server = true;
client_addr = "127.0.0.1 100.79.223.55";
datacenter = "jaglan-beta";
connect.enabled = true;
ports.grpc = 8502;
};
};
openssh = {
@@ -78,6 +89,8 @@
"d /var/lib/alloc_mounts 0755 root root -"
# Create a directory for Traefik to store its data (tls certs, etc.)
"d /opt/traefik 0755 root root -"
# Create a directory for Postgres to store its data
"d /opt/postgres 0755 root root -"
];
# Open ports in the firewall. 464X are the default ports for Nomad.

6
1-nixos-node/terraform.tfstate
View File

@@ -1,7 +1,7 @@
{
"version": 4,
"terraform_version": "1.11.4",
"serial": 73,
"serial": 127,
"lineage": "db7dcf21-a255-0ec4-c8b8-d4a7559b3768",
"outputs": {},
"resources": [
@@ -14,9 +14,9 @@
{
"schema_version": 0,
"attributes": {
"id": "4311733097030196208",
"id": "6875817390663867831",
"triggers": {
"configuration_content": "{ config, lib, pkgs, ... }:\n{\n imports =\n [ # Include the results of the hardware scan.\n ./hardware-configuration.nix\n ];\n\n nixpkgs.config.allowUnfree = true;\n\n # Use the systemd-boot EFI boot loader.\n boot.loader.systemd-boot.enable = true;\n boot.loader.efi.canTouchEfiVariables = true;\n\n networking.hostName = \"jaglan-beta-m01\"; # Define your hostname.\n\n time.timeZone = \"Australia/Melbourne\";\n\n # List packages installed in system profile. To search, run:\n # $ nix search wget\n # environment.systemPackages = with pkgs; [\n # vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.\n # wget\n # ];\n\n # Some programs need SUID wrappers, can be configured further or are\n # started in user sessions.\n # programs.mtr.enable = true;\n # programs.gnupg.agent = {\n # enable = true;\n # enableSSHSupport = true;\n # };\n\n # List services that you want to enable:\n services = {\n tailscale.enable = true;\n nomad = {\n enable = true;\n enableDocker = true;\n dropPrivileges = false;\n settings = {\n datacenter = \"jaglan-beta\";\n server = {\n enabled = true;\n bootstrap_expect = 1;\n };\n client = {\n enabled = true;\n host_volume = {\n traefik = {\n path = \"/opt/traefik\";\n read_only = false;\n };\n };\n };\n plugin.docker.config.allow_privileged = true;\n };\n };\n consul = {\n enable = true;\n webUi = true;\n interface.bind = \"tailscale0\"; # Bind to the Tailscale interface\n interface.advertise = \"tailscale0\"; # Advertise the Tailscale interface\n extraConfig = {\n bootstrap_expect = 1;\n server = true;\n client_addr = \"127.0.0.1 100.79.223.55\";\n datacenter = \"jaglan-beta\";\n };\n };\n openssh = {\n enable = true;\n settings.PermitRootLogin = \"yes\";\n };\n };\n\n systemd.tmpfiles.rules = [\n # Fix issue where nomad needs alloc_mounts to be writable\n \"d /var/lib/alloc_mounts 0755 root root -\"\n # Create a directory for Traefik to store its data (tls certs, etc.)\n \"d /opt/traefik 0755 root root -\"\n ];\n\n # Open ports in the firewall. 464X are the default ports for Nomad.\n networking.firewall.allowedTCPPorts = [ 80 443 4646 4647 4648 ];\n\n # Copy the NixOS configuration file and link it from the resulting system\n # (/run/current-system/configuration.nix). This is useful in case you\n # accidentally delete configuration.nix.\n system.copySystemConfiguration = true;\n\n # Defines the initial NixOS version for compatibility with older application data.\n # Do NOT change this value after installation without careful consideration.\n system.stateVersion = \"24.11\"; # Did you read the comment?\n}\n"
"configuration_content": "{ config, lib, pkgs, ... }:\n{\n imports =\n [ # Include the results of the hardware scan.\n ./hardware-configuration.nix\n ];\n\n nixpkgs.config.allowUnfree = true;\n\n # Use the systemd-boot EFI boot loader.\n boot.loader.systemd-boot.enable = true;\n boot.loader.efi.canTouchEfiVariables = true;\n\n networking.hostName = \"jaglan-beta-m01\"; # Define your hostname.\n\n time.timeZone = \"Australia/Melbourne\";\n\n # List packages installed in system profile. To search, run:\n # $ nix search wget\n # environment.systemPackages = with pkgs; [\n # vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.\n # wget\n # ];\n\n\n\n # Some programs need SUID wrappers, can be configured further or are\n # started in user sessions.\n # programs.mtr.enable = true;\n # programs.gnupg.agent = {\n # enable = true;\n # enableSSHSupport = true;\n # };\n\n # List services that you want to enable:\n services = {\n tailscale.enable = true;\n nomad = {\n enable = true;\n enableDocker = true;\n dropPrivileges = false;\n settings = {\n datacenter = \"jaglan-beta\";\n server = {\n enabled = true;\n bootstrap_expect = 1;\n };\n client = {\n enabled = true;\n host_volume = {\n traefik = {\n path = \"/opt/traefik\";\n read_only = false;\n };\n postgres = {\n path = \"/opt/postgres\";\n read_only = false;\n };\n };\n cni_path = \"${pkgs.cni-plugins}/bin\";\n };\n plugin.docker.config.allow_privileged = true;\n };\n extraPackages = with pkgs; [\n cni-plugins\n consul\n ];\n };\n consul = {\n enable = true;\n webUi = true;\n interface.bind = \"tailscale0\"; # Bind to the Tailscale interface\n interface.advertise = \"tailscale0\"; # Advertise the Tailscale interface\n extraConfig = {\n bootstrap_expect = 1;\n server = true;\n client_addr = \"127.0.0.1 100.79.223.55\";\n datacenter = \"jaglan-beta\";\n connect.enabled = true;\n ports.grpc = 8502;\n };\n };\n openssh = {\n enable = true;\n settings.PermitRootLogin = \"yes\";\n };\n };\n\n systemd.tmpfiles.rules = [\n # Fix issue where nomad needs alloc_mounts to be writable\n \"d /var/lib/alloc_mounts 0755 root root -\"\n # Create a directory for Traefik to store its data (tls certs, etc.)\n \"d /opt/traefik 0755 root root -\"\n # Create a directory for Postgres to store its data\n \"d /opt/postgres 0755 root root -\"\n ];\n\n # Open ports in the firewall. 464X are the default ports for Nomad.\n networking.firewall.allowedTCPPorts = [ 80 443 4646 4647 4648 ];\n\n # Copy the NixOS configuration file and link it from the resulting system\n # (/run/current-system/configuration.nix). This is useful in case you\n # accidentally delete configuration.nix.\n system.copySystemConfiguration = true;\n\n # Defines the initial NixOS version for compatibility with older application data.\n # Do NOT change this value after installation without careful consideration.\n system.stateVersion = \"24.11\"; # Did you read the comment?\n}\n"
}
},
"sensitive_attributes": []

7
1-nixos-node/terraform.tfstate.backup
View File

@@ -1,7 +1,7 @@
{
"version": 4,
"terraform_version": "1.11.4",
"serial": 70,
"serial": 124,
"lineage": "db7dcf21-a255-0ec4-c8b8-d4a7559b3768",
"outputs": {},
"resources": [
@@ -12,12 +12,11 @@
"provider": "provider[\"registry.terraform.io/hashicorp/null\"]",
"instances": [
{
"status": "tainted",
"schema_version": 0,
"attributes": {
"id": "6299339239344216968",
"id": "1416630882184424678",
"triggers": {
"configuration_content": "{ config, lib, pkgs, ... }:\n{\n imports =\n [ # Include the results of the hardware scan.\n ./hardware-configuration.nix\n ];\n\n nixpkgs.config.allowUnfree = true;\n\n # Use the systemd-boot EFI boot loader.\n boot.loader.systemd-boot.enable = true;\n boot.loader.efi.canTouchEfiVariables = true;\n\n networking.hostName = \"jaglan-beta-m01\"; # Define your hostname.\n\n time.timeZone = \"Australia/Melbourne\";\n\n # List packages installed in system profile. To search, run:\n # $ nix search wget\n # environment.systemPackages = with pkgs; [\n # vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.\n # wget\n # ];\n\n # Some programs need SUID wrappers, can be configured further or are\n # started in user sessions.\n # programs.mtr.enable = true;\n # programs.gnupg.agent = {\n # enable = true;\n # enableSSHSupport = true;\n # };\n\n # List services that you want to enable:\n services = {\n tailscale.enable = true;\n nomad = {\n enable = true;\n enableDocker = true;\n dropPrivileges = false;\n settings = {\n datacenter = \"jaglan-beta\";\n server = {\n enabled = true;\n bootstrap_expect = 1;\n };\n client = {\n enabled = true;\n host_volume = {\n traefik = {\n path = \"/opt/traefik\";\n read_only = false;\n };\n };\n plugin.docker.config.allow_privileged = true;\n };\n };\n };\n consul = {\n enable = true;\n webUi = true;\n interface.bind = \"tailscale0\"; # Bind to the Tailscale interface\n interface.advertise = \"tailscale0\"; # Advertise the Tailscale interface\n extraConfig = {\n bootstrap_expect = 1;\n server = true;\n client_addr = \"127.0.0.1 100.79.223.55\";\n datacenter = \"jaglan-beta\";\n };\n };\n openssh = {\n enable = true;\n settings.PermitRootLogin = \"yes\";\n };\n };\n\n systemd.tmpfiles.rules = [\n # Fix issue where nomad needs alloc_mounts to be writable\n \"d /var/lib/alloc_mounts 0755 root root -\"\n # Create a directory for Traefik to store its data (tls certs, etc.)\n \"d /opt/traefik 0755 root root -\"\n ];\n\n # Open ports in the firewall. 464X are the default ports for Nomad.\n networking.firewall.allowedTCPPorts = [ 80 443 4646 4647 4648 ];\n\n # Copy the NixOS configuration file and link it from the resulting system\n # (/run/current-system/configuration.nix). This is useful in case you\n # accidentally delete configuration.nix.\n system.copySystemConfiguration = true;\n\n # Defines the initial NixOS version for compatibility with older application data.\n # Do NOT change this value after installation without careful consideration.\n system.stateVersion = \"24.11\"; # Did you read the comment?\n}\n"
"configuration_content": "{ config, lib, pkgs, ... }:\n{\n imports =\n [ # Include the results of the hardware scan.\n ./hardware-configuration.nix\n ];\n\n nixpkgs.config.allowUnfree = true;\n\n # Use the systemd-boot EFI boot loader.\n boot.loader.systemd-boot.enable = true;\n boot.loader.efi.canTouchEfiVariables = true;\n\n networking.hostName = \"jaglan-beta-m01\"; # Define your hostname.\n\n time.timeZone = \"Australia/Melbourne\";\n\n # List packages installed in system profile. To search, run:\n # $ nix search wget\n # environment.systemPackages = with pkgs; [\n # vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.\n # wget\n # ];\n\n\n\n # Some programs need SUID wrappers, can be configured further or are\n # started in user sessions.\n # programs.mtr.enable = true;\n # programs.gnupg.agent = {\n # enable = true;\n # enableSSHSupport = true;\n # };\n\n # List services that you want to enable:\n services = {\n tailscale.enable = true;\n nomad = {\n enable = true;\n enableDocker = true;\n dropPrivileges = false;\n settings = {\n datacenter = \"jaglan-beta\";\n server = {\n enabled = true;\n bootstrap_expect = 1;\n };\n client = {\n enabled = true;\n host_volume = {\n traefik = {\n path = \"/opt/traefik\";\n read_only = false;\n };\n postgres = {\n path = \"/opt/postgres\";\n read_only = false;\n };\n };\n cni_path = \"${pkgs.cni-plugins}/bin\";\n };\n plugin.docker.config.allow_privileged = true;\n };\n extraPackages = with pkgs; [\n cni-plugins\n consul\n ];\n };\n consul = {\n enable = true;\n webUi = true;\n interface.bind = \"tailscale0\"; # Bind to the Tailscale interface\n interface.advertise = \"tailscale0\"; # Advertise the Tailscale interface\n extraConfig = {\n bootstrap_expect = 1;\n server = true;\n client_addr = \"127.0.0.1 100.79.223.55\";\n datacenter = \"jaglan-beta\";\n connect.enabled = true;\n ports.grpc = 8502;\n };\n };\n openssh = {\n enable = true;\n settings.PermitRootLogin = \"yes\";\n };\n };\n\n systemd.tmpfiles.rules = [\n # Fix issue where nomad needs alloc_mounts to be writable\n \"d /var/lib/alloc_mounts 0755 root root -\"\n # Create a directory for Traefik to store its data (tls certs, etc.)\n \"d /opt/traefik 0755 root root -\"\n # Create a directory for Postgres to store its data\n \"d /opt/postgres 0755 root root -\"\n ];\n\n # Open ports in the firewall. 464X are the default ports for Nomad.\n networking.firewall.allowedTCPPorts = [ 80 443 4646 4647 4648 5432 ];\n\n # Copy the NixOS configuration file and link it from the resulting system\n # (/run/current-system/configuration.nix). This is useful in case you\n # accidentally delete configuration.nix.\n system.copySystemConfiguration = true;\n\n # Defines the initial NixOS version for compatibility with older application data.\n # Do NOT change this value after installation without careful consideration.\n system.stateVersion = \"24.11\"; # Did you read the comment?\n}\n"
}
},
"sensitive_attributes": []

97
2-nomad-config/pgadmin.nomad.hcl Normal file
View File

@@ -0,0 +1,97 @@
job "pgadmin" {
group "pgadmin" {
service {
connect {
sidecar_service {
proxy {
upstreams {
destination_name = "postgres"
local_bind_port = 5432
}
}
}
}
}
network {
mode = "bridge"
port "http" {
to = 80
}
}
task "pgadmin" {
driver = "docker"
config {
image = "dpage/pgadmin4:latest"
ports = ["http"]
volumes = [
"local/servers.json:/pgadmin4/servers.json",
"secrets/.pgpass:/home/.pgpass"
]
}
env = {
PGADMIN_DEFAULT_EMAIL = "othrayte@gmail.com"
PGADMIN_DEFAULT_PASSWORD = "admin"
PGADMIN_CONFIG_WTF_CSRF_ENABLED = "False"
PGADMIN_CONFIG_WTF_CSRF_CHECK_DEFAULT = "False"
PGADMIN_CONFIG_ENHANCED_COOKIE_PROTECTION = "False"
PGADMIN_CONFIG_SERVER_MODE = "False"
PGADMIN_CONFIG_MASTER_PASSWORD_REQUIRED = "False"
}
resources {
cpu = 500
memory = 256
}
service {
name = "pgadmin"
port = "http"
tags = [
"traefik.enable=true",
"traefik.http.routers.pgadmin.middlewares=auth@file",
]
check {
type = "http"
path = "/"
interval = "10s"
timeout = "2s"
}
}
template {
data = <<EOF
{
"Servers": {
"1": {
"Group": "Servers",
"Name": "postgres",
"Host": "localhost",
"Port": 5432,
"MaintenanceDB": "postgres",
"Username": "postgres",
"PassFile": "/home/.pgpass"
}
}
}
EOF
destination = "local/servers.json"
}
template {
data = <<EOF
localhost:5432:*:postgres:{{ with nomadVar "nomad/jobs/postgres" }}{{ .postgress_password }}{{ end }}
EOF
destination = "secrets/.pgpass"
perms = "0400"
uid = 5050 # pgadmin
}
}
}
}

64
2-nomad-config/postgres.nomad.hcl Normal file
View File

@@ -0,0 +1,64 @@
job "postgres" {
group "postgres" {
service {
name = "postgres"
port = "db"
connect {
sidecar_service {}
}
}
task "postgres" {
driver = "docker"
config {
image = "postgres:latest"
ports = ["db"]
volumes = [
"secrets/postgres_password:/run/secrets/postgres_password"
]
}
volume_mount {
volume = "data"
destination = "/var/lib/postgresql/data"
read_only = false
}
env {
POSTGRES_USER = "postgres"
POSTGRES_PASSWORD_FILE = "/run/secrets/postgres_password"
POSTGRES_INITDB_ARGS = "--auth-host=md5"
}
resources {
cpu = 500
memory = 512
}
template {
# This securely sets the initial password for the postgres user, to change it later
# you need to connect to the database and change it manually
data = <<EOF
{{ with nomadVar "nomad/jobs/postgres" }}{{ .postgress_password }}{{ end }}
EOF
destination = "secrets/postgres_password"
}
}
network {
mode = "bridge"
port "db" {
static = 5432
}
}
volume "data" {
type = "host"
read_only = false
source = "postgres"
}
}
}

8
2-nomad-config/services.tf
View File

@@ -42,6 +42,14 @@ resource "nomad_job" "csi-smb" {
jobspec = file("csi-smb.nomad.hcl")
}
resource "nomad_job" "postgres" {
jobspec = file("postgres.nomad.hcl")
}
resource "nomad_job" "pgadmin" {
jobspec = file("pgadmin.nomad.hcl")
}
data "nomad_plugin" "smb" {
plugin_id = "smb"
wait_for_healthy = true