homelab-nomad/databases/mysql.nomad

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job "mysql-server" {
datacenters = ["dc1"]
type = "service"
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priority = 80
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group "mysql-server" {
count = 1
restart {
attempts = 10
interval = "5m"
delay = "25s"
mode = "delay"
}
network {
mode = "bridge"
port "db" {
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host_network = "loopback"
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to = 3306
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}
}
volume "mysql-data" {
type = "host"
read_only = false
source = "mysql-data"
}
service {
name = "mysql-server"
port = "db"
connect {
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sidecar_service {
proxy {
local_service_port = 3306
}
}
sidecar_task {
resources {
cpu = 50
memory = 50
}
}
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}
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# Can't use a tcp check with bridge network or proxy
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# check {
# type = "tcp"
# interval = "10s"
# timeout = "2s"
# }
}
task "mysql-server" {
driver = "docker"
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config {
image = "mysql:8"
ports = ["db"]
}
vault {
policies = [
"access-tables",
"nomad-task",
]
}
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volume_mount {
volume = "mysql-data"
destination = "/var/lib/mysql"
read_only = false
}
env = {
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# Allow connections from any host
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"MYSQL_ROOT_HOST" = "%"
}
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template {
data = <<EOH
{{ with secret "kv/data/mysql" }}
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MYSQL_ROOT_PASSWORD={{ .Data.data.root_password }}
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{{ end }}
EOH
destination = "secrets/db.env"
env = true
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}
resources {
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cpu = 300
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memory = 1024
}
}
}
}