resource "nomad_job" "lldap" {
  jobspec = templatefile("${path.module}/lldap.nomad", {
    use_wesher = var.use_wesher,
  })

  depends_on = [resource.nomad_job.mysql-server]

  # Block until deployed as there are servics dependent on this one
  detach = false
}

# Give access to ldap secrets
resource "nomad_acl_policy" "lldap_ldap_secrets" {
  name        = "lldap-secrets-ldap"
  description = "Give access to LDAP secrets"
  rules_hcl   = <<EOH
namespace "default" {
  variables {
    path "secrets/ldap/*" {
      capabilities = ["read"]
    }
    path "secrets/ldap" {
      capabilities = ["read"]
    }
  }
}
EOH

  job_acl {
    # job_id = resource.nomad_job.lldap.id
    job_id = "lldap"
  }
}

# Create self-scoped psk so that config is valid at first start
resource "random_password" "lldap_ldap_psk" {
  length           = 32
  override_special = "!@#%&*-_="
}

resource "nomad_variable" "lldap_ldap_psk" {
  path = "secrets/ldap/allowed_psks/ldap"
  items = {
    psk = "lldap:${resource.random_password.lldap_ldap_psk.result}"
  }
}

# Give access to smtp secrets
resource "nomad_acl_policy" "lldap_smtp_secrets" {
  name        = "lldap-secrets-smtp"
  description = "Give access to SMTP secrets"
  rules_hcl   = <<EOH
namespace "default" {
  variables {
    path "secrets/smtp" {
      capabilities = ["read"]
    }
  }
}
EOH

  job_acl {
    # job_id = resource.nomad_job.lldap.id
    job_id = "lldap"
    group  = "lldap"
    task   = "lldap"
  }
}

# Generate secrets and policies for access to MySQL
resource "nomad_acl_policy" "lldap_mysql_bootstrap_secrets" {
  name        = "lldap-secrets-mysql"
  description = "Give access to MySQL secrets"
  rules_hcl   = <<EOH
namespace "default" {
  variables {
    path "secrets/mysql" {
      capabilities = ["read"]
    }
  }
}
EOH

  job_acl {
    # job_id = resource.nomad_job.lldap.id
    job_id = "lldap"
    group  = "lldap"
    task   = "bootstrap"
  }
}

resource "random_password" "lldap_mysql_psk" {
  length           = 32
  override_special = "!@#%&*-_="
}

resource "nomad_variable" "lldap_mysql_psk" {
  path = "secrets/mysql/allowed_psks/lldap"
  items = {
    psk = "lldap:${resource.random_password.lldap_mysql_psk.result}"
  }
}

resource "nomad_acl_policy" "lldap_mysql_psk" {
  name        = "lldap-secrets-mysql-psk"
  description = "Give access to MySQL PSK secrets"
  rules_hcl   = <<EOH
namespace "default" {
  variables {
    path "secrets/mysql/allowed_psks/lldap" {
      capabilities = ["read"]
    }
  }
}
EOH

  job_acl {
    # job_id = resource.nomad_job.lldap.id
    job_id = "lldap"
    group  = "lldap"
    task   = "stunnel"
  }
}