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Usage

Metal as a Service

Sample pillars

Single maas service:

maas:
  server:
    enabled: true

Single MAAS region service [single UI/API]:

maas:
  salt_master_ip: 192.168.0.10
  region:
    upstream_proxy:
      address: 10.0.0.1
      port: 8080
      user: username      #OPTIONAL
      password: password  #OPTIONAL
    theme: mirantis
    bind:
      host: 192.168.0.10:5240
      port: 5240
    admin:
      username: exampleuser
      password: examplepassword
      email:  [email protected]
    database:
      engine: null
      host: localhost
      name: maasdb
      password: qwqwqw
      username: maas
    enabled: true
    user: mirantis
    token: "89EgtWkX45ddjMYpuL:SqVjxFG87Dr6kVf4Wp:5WLfbUgmm9XQtJxm3V2LUUy7bpCmqmnk"
    fabrics:
      fabric1:
        name: 'tf2'
        description: "Test fabric"
      fabric2:
        name: 'tf2'
        description: "Test fabric2"
      deploy_network:
        name: 'deploy_network'
        description: Fabric for deploy_network
        vlans:
          0:
            name: 'vlan 0'
            description: Deploy VLAN
            mtu: 1500
            dhcp: true
            # FIXME: after refactoring domain module, it should be
            # fixed exactly for FQDN, not only 'hostname'
            primary_rack: "${linux:network:hostname}"

    subnets:
      subnet1:
        fabric: ${maas:region:fabrics:deploy_network:name}
        cidr: 2.2.3.0/24
        gateway_ip: 2.2.3.2
        vlan: 150
        ipranges:
          1:
            end: "2.2.3.40"
            start: "2.2.3.20"
            type: dynamic
          2:
            end: "2.2.3.250"
            start: "2.2.3.45"
            type: reserved
    dhcp_snippets:
      test-snippet:
        value: option bootfile-name "tftp://192.168.0.10/snippet";
        description: Test snippet
        enabled: true
        subnet: subnet1
    boot_sources_delete_all_others: true
    boot_sources:
      resources_mirror:
        url: http://images.maas.io/ephemeral-v3/
        keyring_file: /usr/share/keyrings/ubuntu-cloudimage-keyring.gpg
    boot_sources_selections:
      xenial:
        url: "http://images.maas.io/ephemeral-v3/" # should be same in boot_sources, or other already defined.
        os: "ubuntu"
        release: "xenial"
        arches: "amd64"
        subarches: '"*"'
        labels: '"*"'
    package_repositories:
      Saltstack:
        url: http://repo.saltstack.com/apt/ubuntu/14.04/amd64/2016.3/
        distributions:
             - trusty
        components:
            - main
        arches: amd64
        key: "-----BEGIN PGP PUBLIC KEY BLOCK-----
             Version: GnuPG v2

             mQENBFOpvpgBCADkP656H41i8fpplEEB8IeLhugyC2rTEwwSclb8tQNYtUiGdna9
              ......
             fuBmScum8uQTrEF5+Um5zkwC7EXTdH1co/+/V/fpOtxIg4XO4kcugZefVm5ERfVS
             MA==
             =dtMN
             -----END PGP PUBLIC KEY BLOCK-----"
        enabled: true
    machines:
      machine1_new_schema:
        pxe_interface_mac: "11:22:33:44:55:66" # Node will be identified by those mac
        interfaces:
          nic01: # could be any, used for iterate only
            type: eth # NotImplemented
            name: eth0 # Override default nic name. Interface to rename will be identified by mac
            mac: "11:22:33:44:55:66"
            mode: "static"
            ip: "2.2.3.19"  # ip should be out of reserved subnet range, but still in subnet range
            subnet: "subnet1"
            gateway: "2.2.3.2" # override default gateway from subnet
          nic02:
            type: eth # Not-implemented
            mac: "11:22:33:44:55:78"
            subnet: "subnet2"
            mode: "dhcp"
        power_parameters:
          power_type: ipmi
          power_address: '192.168.10.10'
          power_user: bmc_user
          # power_password: bmc_password  # Old format,please use new one
          power_pass: bmc_password
          #Optional (for legacy HW)
          power_driver: LAN
        distro_series: xenial
        hwe_kernel: hwe-16.04
      machine1_old_schema:
        interface:
            mac: "11:22:33:44:55:88"  # Node will be identified by those mac
            mode: "static"
            ip: "2.2.3.15"
            subnet: "subnet1"
            gateway: "2.2.3.2"
        power_parameters:
          power_type: ipmi
          power_address: '192.168.10.10'
          power_user: bmc_user
          # power_password: bmc_password  # Old format,please use new one
          power_pass: bmc_password
          #Optional (for legacy HW)
          power_driver: LAN
        distro_series: xenial
        hwe_kernel: hwe-16.04
      virsh_example:
        pxe_interface_mac: "52:54:00:00:01:01"
        interfaces:
          nic01:
            type: eth
            name: eth0
            mac: "52:54:00:00:01:01"
            subnet: "${maas:region:subnets:deploy_network:name}"
            mode: "dhcp"
        power_parameters:
          power_type: virsh
          power_address: "qemu+tcp://my-kvm-node-hostname/system"
          power_id: "kvm01-pxe01"
    devices:
      machine1-ipmi:
        interface:
          ip_address: 192.168.10.10
          subnet: cidr:192.168.10.0/24
        mac: '66:55:44:33:22:11'
    commissioning_scripts:
      00-maas-05-simplify-network-interfaces: /etc/maas/files/commisioning_scripts/00-maas-05-simplify-network-interfaces
    maas_config:
      # domain: mydomain.local # This function broken
      http_proxy: http://192.168.0.10:3142
      commissioning_distro_series: xenial
      default_distro_series: xenial
      default_osystem: 'ubuntu'
      default_storage_layout: lvm
      disk_erase_with_secure_erase: true
      dnssec_validation: 'no'
      enable_third_party_drivers: true
      maas_name: cfg01
      network_discovery: 'enabled'
      active_discovery_interval: '600'
      ntp_external_only: true
      ntp_servers: 10.10.11.23 10.10.11.24
      upstream_dns: 192.168.12.13
      enable_http_proxy: true
      default_min_hwe_kernel: ''
     sshprefs:
      - 'ssh-rsa ASD.........dfsadf blah@blah'

Update VLAN:

Note

Vid 0 has default name untagged in the MaaS UI.

maas:
  region:
    fabrics:
      test-fabric:
        description: "Test fabric"
        vlan:
          0:
            description: "Your VLAN 0"
            dhcp: True
          13:
            description: "Your VLAN 13"
            dhcp: False

Create disk schema per machine via maas/client.sls with default lvm schema + default values.

Note

This should be used mostly for custom root partitioning and RAID configuration. For not-root partitions, use salt-formula-linux.

maas:
  region:
    machines:
      server1:
        disk_layout:
          type: lvm
          root_size: 20G
          root_device: vda
          volume_group: vg1
          volume_name: root
          volume_size: 8
          bootable_device: vda

FLAT layout with custom root size:

maas:
  region:
    machines:
      server2:
        disk_layout:
          type: flat
          root_size: 20
          physical_device: vda
          bootable_device: vda

Size specification with % char used is not yet supported.

maas:
  region:
    machines:
      server3:
        disk_layout:
          type: flat
          bootable_device: sda
          disk:
            sda:
              type: physical
              partition_schema:
                part1:
                  size: 100%
                  type: ext4
                  mount: '/'

Define more complex layout:

maas:
  region:
    machines:
      server3:
        disk_layout:
          type: custom
          bootable_device: vda
          disk:
            vda:
              type: physical
              partition_schema:
                part1:
                  size: 10G
                  type: ext4
                  mount: '/'
                part2:
                  size: 2G
                part3:
                  size: 3G
            vdc:
              type: physical
              partition_schema:
                part1:
                  size: 100G
            vdd:
              type: physical
              partition_schema:
                part1:
                  size: 100G
            raid0:
              type: raid
              level: 10
              devices:
                - vde
                - vdf
              partition_schema:
                part1:
                  size: 10G
                part2:
                  size: 2G
                part3:
                  size: 3G
            raid1:
              type: raid
              level: 1
              partitions:
                - vdc-part1
                - vdd-part1
            volume_group2:
              type: lvm
              devices:
                - raid1
              volume:
                tmp:
                  size: 5G
                  type: ext4
                  mount: '/tmp'
                log:
                  size: 7G
                  type: ext4
                  mount: '/var/log'

Raid setup, 4x HDD:

maas:
  region:
    machines:
      serverWithRaidExample:
        disk_layout:
          type: custom
          bootable_device: sda
          disk:
            md0:
              type: raid
              level: 1
              devices:
                - sda
                - sdb
              partition_schema:
                part1:
                  size: 230G
                  type: ext4
                  mount: /
            md1:
              type: raid
              level: 1
              devices:
                - sdc
                - sdd
              partition_schema:
                part1:
                  size: 1890G
                  type: ext4
                  mount: /var/lib/libvirt

Raid + LVM setup, 2xSSD + 2xHDD:

Note

This setup lacks the ability run state twice, as of now when disk_partition_present is called, it tries blindly to delete the partition and then recreated. That fails as MAAS rejects remove partition used in RAID/LVM.

maas:
  region:
    machines:
      serverWithRaidExample2:
        disk_layout:
          type: custom
          #bootable_device: vgssd-root
          disk:
            sda: &maas_disk_physical_ssd
              type: physical
              partition_schema:
                part1:
                  size: 239G
            sdb: *maas_disk_physical_ssd
            sdc: &maas_disk_physical_hdd
              type: physical
              partition_schema:
                part1:
                  size: 1990G
            sdd: *maas_disk_physical_hdd
            md0:
              type: raid
              level: 1
              partitions:
                - sda-part1
                - sdb-part1
            md1:
              type: raid
              level: 1
              partitions:
                - sdc-part1
                - sdd-part1
            vgssd:
              type: lvm
              devices:
                - md0
              volume:
                root:
                  size: 230G
                  type: ext4
                  mount: '/'
            vghdd:
              type: lvm
              devices:
                - md1
              volume:
                libvirt:
                  size: 1800G
                  type: ext4
                  mount: '/var/lib/libvirt'

LVM setup using partition

maas:
  region:
    machines:
      serverWithLvmExample3:
        disk_layout:
          type: custom
          bootable_device: sda
          disk:
            sda:
              type: physical
              partition_schema:
                part1:
                  size: 50G
                part2:
                  mount: /var/lib/libvirt/images/
                  size: 10G
                  type: ext4
            vg0:
              partitions:
                - sda-part1
              type: lvm
              volume:
                root:
                  mount: /
                  size: 40G
                  type: ext4

Setup image mirror (Maas boot resources):

maas:
  mirror:
    enabled: true
    image:
      sections:
        bootloaders:
          keyring: /usr/share/keyrings/ubuntu-cloudimage-keyring.gpg
          upstream: http://images.maas.io/ephemeral-v3/daily/
          local_dir: /var/www/html/maas/images/ephemeral-v3/daily
          count: 1
          # i386 need for pxe
          filters: ['arch~(i386|amd64)', 'os~(grub*|pxelinux)']
        xenial:
          keyring: /usr/share/keyrings/ubuntu-cloudimage-keyring.gpg
          upstream: http://images.maas.io/ephemeral-v3/daily/
          local_dir: /var/www/html/maas/images/ephemeral-v3/daily
          count: 1
          filters: ['release~(xenial)', 'arch~(amd64)', 'subarch~(generic|hwe-16.04$|ga-16.04)']
        count: 1

Usage of local deb repos and curtin-based variables.

Dict of variables curtin_vars:amd64:xenial: `` format, which will be passed only to: ``/etc/maas/preseeds/curtin_userdata_amd64_generic_xenial accordingly.

maas:
  cluster:
    enabled: true
    region:
      port: 80
      host: localhost
    saltstack_repo_key: |
      -----BEGIN PGP PUBLIC KEY BLOCK-----
      Version: GnuPG v2

      mQENBFOpvpgBCADkP656H41i8fpplEEB8IeLhugyC2rTEwwSclb8tQNYtUiGdna9
      .....
      fuBmScum8uQTrEF5+Um5zkwC7EXTdH1co/+/V/fpOtxIg4XO4kcugZefVm5ERfVS
      MA==
      =dtMN
      -----END PGP PUBLIC KEY BLOCK-----
    saltstack_repo_xenial: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu-xenial stable salt"
    saltstack_repo_trusty: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu-trusty stable salt"
    curtin_vars:
      amd64:
        xenial:
          # List of packages, to be installed directly in curtin stage.
          extra_pkgs:
            enabled: true
            pkgs: [ "linux-headers-generic-hwe-16.04", "linux-image-extra-virtual-hwe-16.04" ]
          # exact kernel pkgs name, to be passed into curtin stage.
          kernel_package:
            enabled: true
            value 'linux-image-virtual-hwe-16.04'

Single MAAS cluster service [multiple racks]

maas:
  cluster:
    enabled: true
    role: master/slave
maas:
  cluster:
    enabled: true
    role: master/slave

MAAS region service with backup data:

maas:
  region:
    database:
      initial_data:
        source: cfg01.local
        host: 192.168.0.11

MAAS service power_parameters defintion with OpenStack Nova power_type:

maas:
  region:
    machines:
      cmp1:
        power_type: nova
        power_parameters: # old style, deprecated
          power_nova_id: hostuuid
          power_os_tenantname: tenant
          power_os_username: user
          power_os_password: password
          power_os_authurl: http://url
maas:
  region:
    machines:
      cmp1:
        power_type: nova
        power_parameters: # new style
          nova_id: hostuuid
          os_tenantname: tenant
          os_username: user
          os_password: password
          os_authurl: http://url

Test pillars

Mind the PostgreSQL and rsyslog .sls. Database and syslog service are required for MAAS to properly install and work.

Module function's example:

Wait for status of selected machine's:

> cat maas/machines/wait_for_machines_ready.sls

...

wait_for_machines_ready:
  module.run:
  - name: maas.wait_for_machine_status
  - kwargs:
        machines:
          - kvm01
          - kvm02
        timeout: 1200 # in seconds
        req_status: "Ready"
  - require:
    - cmd: maas_login_admin
  ...

If module run w/o any extra paremeters, wait_for_machines_ready will wait for defined in salt machines. In this case, it is usefull to skip some machines:

> cat maas/machines/wait_for_machines_deployed.sls

...

wait_for_machines_ready:
  module.run:
  - name: maas.wait_for_machine_status
  - kwargs:
        timeout: 1200 # in seconds
        req_status: "Deployed"
        ignore_machines:
           - kvm01 # in case it's broken or whatever
  - require:
    - cmd: maas_login_admin
  ...

List of available req_status defined in global variable:

STATUS_NAME_DICT = dict([
    (0, 'New'), (1, 'Commissioning'), (2, 'Failed commissioning'),
    (3, 'Missing'), (4, 'Ready'), (5, 'Reserved'), (10, 'Allocated'),
    (9, 'Deploying'), (6, 'Deployed'), (7, 'Retired'), (8, 'Broken'),
    (11, 'Failed deployment'), (12, 'Releasing'),
    (13, 'Releasing failed'), (14, 'Disk erasing'),
    (15, 'Failed disk erasing')])

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Documentation and Bugs