205 lines
4.2 KiB
HCL
205 lines
4.2 KiB
HCL
variable "config_data" {
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type = string
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description = "Plain text config file for blocky"
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}
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job "blocky" {
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datacenters = ["dc1"]
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type = "system"
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priority = 100
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update {
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max_parallel = 1
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# TODO: maybe switch to service job from system so we can use canary and autorollback
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# auto_revert = true
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}
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group "blocky" {
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network {
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mode = "bridge"
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port "dns" {
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static = "53"
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}
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port "api" {
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# TODO: This may be broken. It seems we're exposing the loopback address which can't be reached
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# host_network = "loopback"
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to = "4000"
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}
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dns {
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# Set expclicit DNS servers because tasks, by default, use this task
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servers = ["1.1.1.1", "1.0.0.1"]
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}
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}
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service {
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name = "blocky-dns"
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port = "dns"
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}
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service {
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name = "blocky-api"
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port = "api"
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meta {
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metrics_addr = "${NOMAD_ADDR_api}"
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}
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tags = [
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"traefik.enable=true",
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"traefik.http.routers.blocky-api.entryPoints=websecure",
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]
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connect {
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sidecar_service {
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proxy {
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local_service_port = 4000
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expose {
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path {
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path = "/metrics"
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protocol = "http"
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local_path_port = 4000
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listener_port = "api"
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}
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}
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upstreams {
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destination_name = "redis"
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local_bind_port = 6379
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}
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upstreams {
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destination_name = "mysql-server"
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local_bind_port = 4040
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}
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}
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}
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sidecar_task {
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resources {
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cpu = 50
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memory = 20
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memory_max = 50
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}
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}
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}
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check {
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name = "api-health"
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port = "api"
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type = "http"
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path = "/"
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interval = "10s"
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timeout = "3s"
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}
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}
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task "blocky" {
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driver = "docker"
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config {
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image = "ghcr.io/0xerr0r/blocky"
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ports = ["dns", "api"]
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mount {
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type = "bind"
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target = "/app/config.yml"
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source = "app/config.yml"
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}
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}
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resources {
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cpu = 50
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memory = 50
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memory_max = 100
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}
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vault {
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policies = [
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"access-tables",
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"nomad-task",
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]
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}
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template {
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data = var.config_data
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destination = "app/config.yml"
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splay = "1m"
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wait {
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min = "10s"
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max = "20s"
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}
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}
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}
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task "blocky-bootstrap" {
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driver = "docker"
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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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config {
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image = "mariadb:10"
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args = [
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"/bin/bash",
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"-c",
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"/usr/bin/mysql --defaults-extra-file=$${NOMAD_SECRETS_DIR}/my.cnf < $${NOMAD_SECRETS_DIR}/bootstrap.sql || echo 'SQL Failed'",
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]
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}
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vault {
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policies = [
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"access-tables",
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"nomad-task",
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]
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}
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template {
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data = <<EOF
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[client]
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host={{ env "NOMAD_UPSTREAM_IP_mysql_server" }}
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port={{ env "NOMAD_UPSTREAM_PORT_mysql_server" }}
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user=root
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{{ with service "vault" -}}{{ with secret "kv/data/mysql" }}
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password={{ .Data.data.root_password }}
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{{ end -}}{{ end -}}
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EOF
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destination = "$${NOMAD_SECRETS_DIR}/my.cnf"
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}
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template {
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data = <<EOF
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{{ with service "vault" -}}{{ with secret "kv/data/blocky" -}}
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{{ if .Data.data.db_name -}}
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{{ $db_name := .Data.data.db_name }}
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CREATE DATABASE IF NOT EXISTS `{{ $db_name }}`;
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CREATE USER IF NOT EXISTS '{{ .Data.data.db_user }}'@'%' IDENTIFIED BY '{{ .Data.data.db_pass }}';
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GRANT ALL ON `{{ $db_name }}`.* to '{{ .Data.data.db_user }}'@'%';
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{{ with secret "kv/data/grafana" -}}
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-- Add grafana read_only user
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CREATE USER IF NOT EXISTS '{{ .Data.data.db_user_ro }}'@'%' IDENTIFIED BY '{{ .Data.data.db_pass_ro }}';
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GRANT SELECT ON `{{ $db_name }}`.* to '{{ .Data.data.db_user_ro }}'@'%';
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{{ end -}}
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{{ else -}}
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SELECT 'NOOP';
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{{ end -}}
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{{ end -}}{{ end -}}
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EOF
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destination = "$${NOMAD_SECRETS_DIR}/bootstrap.sql"
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}
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resources {
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cpu = 50
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memory = 50
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}
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}
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}
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}
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