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README.rst

Salt Formula

Salt is a new approach to infrastructure management. Easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with them in seconds.

Salt delivers a dynamic communication bus for infrastructures that can be used for orchestration, remote execution, configuration management and much more.

Sample Metadata

Salt master

Salt master with base formulas and pillar metadata backend

.. literalinclude:: tests/pillar/master_single_pillar.sls
   :language: yaml

Salt master with reclass ENC metadata backend

.. literalinclude:: tests/pillar/master_single_reclass.sls
   :language: yaml

Salt master with multiple ext_pillars

.. literalinclude:: tests/pillar/master_single_extpillars.sls
   :language: yaml

Salt master with API

.. literalinclude:: tests/pillar/master_api.sls
   :language: yaml

Salt master with defined user ACLs

.. literalinclude:: tests/pillar/master_acl.sls
   :language: yaml

Salt master with preset minions

salt:
  master:
    enabled: true
    minions:
    - name: 'node1.system.location.domain.com'

Salt master with pip based installation (optional)

salt:
  master:
    enabled: true
    ...
    source:
      engine: pip
      version: 2016.3.0rc2

Install formula through system package management

salt:
  master:
    enabled: true
    ...
    environment:
      prd:
        keystone:
          source: pkg
          name: salt-formula-keystone
        nova:
          source: pkg
          name: salt-formula-keystone
          version: 0.1+0~20160818133412.24~1.gbp6e1ebb
        postresql:
          source: pkg
          name: salt-formula-postgresql
          version: purged

Formula keystone is installed latest version and the formulas without version are installed in one call to aptpkg module. If the version attribute is present sls iterates over formulas and take action to install specific version or remove it. The version attribute may have these values [latest|purged|removed|<VERSION>].

Clone master branch of keystone formula as local feature branch

salt:
  master:
    enabled: true
    ...
    environment:
      dev:
        formula:
          keystone:
            source: git
            address: git@github.com:openstack/salt-formula-keystone.git
            revision: master
            branch: feature

Salt master with specified formula refs (for example for Gerrit review)

salt:
  master:
    enabled: true
    ...
    environment:
      dev:
        formula:
          keystone:
            source: git
            address: https://git.openstack.org/openstack/salt-formula-keystone
            revision: refs/changes/56/123456/1

Salt master with logging handlers

salt:
  master:
    enabled: true
    handler:
      handler01:
        engine: udp
        bind:
          host: 127.0.0.1
          port: 9999
  minion:
    handler:
      handler01:
        engine: udp
        bind:
          host: 127.0.0.1
          port: 9999
      handler02:
        engine: zmq
        bind:
          host: 127.0.0.1
          port: 9999

Salt engine definition for saltgraph metadata collector

salt:
  master:
    engine:
      graph_metadata:
        engine: saltgraph
        host: 127.0.0.1
        port: 5432
        user: salt
        password: salt
        database: salt

Salt engine definition for sending events from docker events

salt:
  master:
    engine:
      docker_events:
        docker_url: unix://var/run/docker.sock

Salt master peer setup for remote certificate signing

salt:
  master:
    peer:
      ".*":
      - x509.sign_remote_certificate

Configure verbosity of state output (used for salt command)

salt:
  master:
    state_output: changes

Salt synchronise node pillar and modules after start

salt:
  master:
    reactor:
      salt/minion/*/start:
      - salt://salt/reactor/node_start.sls

Trigger basic node install

salt:
  master:
    reactor:
      salt/minion/install:
      - salt://salt/reactor/node_install.sls

Sample event to trigger the node installation

salt-call event.send 'salt/minion/install'

Run any defined orchestration pipeline

salt:
  master:
    reactor:
      salt/orchestrate/start:
      - salt://salt/reactor/orchestrate_start.sls

Event to trigger the orchestration pipeline

salt-call event.send 'salt/orchestrate/start' "{'orchestrate': 'salt/orchestrate/infra_install.sls'}"

Synchronise modules and pillars on minion start.

salt:
  master:
    reactor:
      'salt/minion/*/start':
      - salt://salt/reactor/minion_start.sls

Add and/or remove the minion key

salt:
  master:
    reactor:
      salt/key/create:
      - salt://salt/reactor/key_create.sls
      salt/key/remove:
      - salt://salt/reactor/key_remove.sls

Event to trigger the key creation

salt-call event.send 'salt/key/create' \
> "{'node_id': 'id-of-minion', 'node_host': '172.16.10.100', 'orch_post_create': 'kubernetes.orchestrate.compute_install', 'post_create_pillar': {'node_name': 'id-of-minion'}}"

Note

You can add pass additional orch_pre_create, orch_post_create, orch_pre_remove or orch_post_remove parameters to the event to call extra orchestrate files. This can be useful for example for registering/unregistering nodes from the monitoring alarms or dashboards.

The key creation event needs to be run from other machine than the one being registered.

Event to trigger the key removal

salt-call event.send 'salt/key/remove'

Encrypted pillars

Note: NACL + below configuration will be available in Salt > 2017.7.

External resources:

Configure salt NACL module:

pip install --upgrade libnacl===1.5.2
salt-call --local nacl.keygen /etc/salt/pki/master/nacl

  local:
      saved sk_file:/etc/salt/pki/master/nacl  pk_file: /etc/salt/pki/master/nacl.pub
salt:
  master:
    pillar:
      reclass: *reclass
      nacl:
        index: 99
    nacl:
      box_type: sealedbox
      sk_file: /etc/salt/pki/master/nacl
      pk_file: /etc/salt/pki/master/nacl.pub
      #sk: None
      #pk: None

NACL encrypt secrets:

salt-call --local nacl.enc 'my_secret_value' pk_file=/etc/salt/pki/master/nacl.pub
hXTkJpC1hcKMS7yZVGESutWrkvzusXfETXkacSklIxYjfWDlMJmR37MlmthdIgjXpg4f2AlBKb8tc9Woma7q

# or salt-run nacl.enc 'myotherpass'

ADDFD0Rav6p6+63sojl7Htfrncp5rrDVyeE4BSPO7ipq8fZuLDIVAzQLf4PCbDqi+Fau5KD3/J/E+Pw=

NACL encrypted values on pillar:

Use Boxed syntax NACL[CryptedValue=] to encode value on pillar:

my_pillar:
  my_nacl:
      key0: unencrypted_value
      key1: NACL[hXTkJpC1hcKMS7yZVGESutWrkvzusXfETXkacSklIxYjfWDlMJmR37MlmthdIgjXpg4f2AlBKb8tc9Woma7q]

NACL large files:

NACL within template/native pillars:

pillarexample:
user: root password1: {{salt.nacl.dec('DRB7Q6/X5gGSRCTpZyxS6hlbWj0llUA+uaVyvou3vJ4=')|json}} cert_key: {{salt.nacl.dec_file('/srv/salt/env/dev/certs/example.com/cert.nacl')|json}} cert_key2: {{salt.nacl.dec_file('salt:///certs/example.com/cert2.nacl')|json}}

Salt syndic

The master of masters

salt:
  master:
    enabled: true
    order_masters: True

Lower syndicated master

salt:
  syndic:
    enabled: true
    master:
      host: master-of-master-host
    timeout: 5

Syndicated master with multiple master of masters

salt:
  syndic:
    enabled: true
    masters:
    - host: master-of-master-host1
    - host: master-of-master-host2
    timeout: 5

Salt-minion proxy

Salt proxy pillar

salt:
  minion:
    proxy_minion:
      master: localhost
      device:
        vsrx01.mydomain.local:
          enabled: true
          engine: napalm
        csr1000v.mydomain.local:
          enabled: true
          engine: napalm

Note

This is pillar of the the real salt-minion

Proxy pillar for IOS device

proxy:
  proxytype: napalm
  driver: ios
  host: csr1000v.mydomain.local
  username: root
  passwd: r00tme

Note

This is pillar of the node thats not able to run salt-minion itself

Proxy pillar for JunOS device

proxy:
  proxytype: napalm
  driver: junos
  host: vsrx01.mydomain.local
  username: root
  passwd: r00tme
  optional_args:
    config_format: set

Note

This is pillar of the node thats not able to run salt-minion itself

Salt SSH

Salt SSH with sudoer using key

.. literalinclude:: tests/pillar/master_ssh_minion_key.sls
   :language: yaml

Salt SSH with sudoer using password

.. literalinclude:: tests/pillar/master_ssh_minion_password.sls
   :language: yaml

Salt SSH with root using password

.. literalinclude:: tests/pillar/master_ssh_minion_root.sls
   :language: yaml


Salt minion

Simplest Salt minion setup with central configuration node

.. literalinclude:: tests/pillar/minion_master.sls
   :language: yaml

Multi-master Salt minion setup

.. literalinclude:: tests/pillar/minion_multi_master.sls
   :language: yaml

Salt minion with salt mine options

.. literalinclude:: tests/pillar/minion_mine.sls
   :language: yaml

Salt minion with graphing dependencies

.. literalinclude:: tests/pillar/minion_graph.sls
   :language: yaml

Salt minion behind HTTP proxy

salt:
  minion:
    proxy:
      host: 127.0.0.1
      port: 3128

Salt minion to specify non-default HTTP backend. The default tornado backend does not respect HTTP proxy settings set as environment variables. This is useful for cases where you need to set no_proxy lists.

salt:
  minion:
    backend: urllib2

Salt minion with PKI certificate authority (CA)

.. literalinclude:: tests/pillar/minion_pki_ca.sls
   :language: yaml

Salt minion using PKI certificate

.. literalinclude:: tests/pillar/minion_pki_cert.sls
   :language: yaml

Salt minion trust CA certificates issued by salt CA on a specific host (ie: salt-master node)

salt:
  minion:
    trusted_ca_minions:
      - cfg01

Salt control (cloud/kvm/docker)

Salt cloud with local OpenStack provider

.. literalinclude:: tests/pillar/control_cloud_openstack.sls
   :language: yaml

Salt cloud with Digital Ocean provider

.. literalinclude:: tests/pillar/control_cloud_digitalocean.sls
   :language: yaml

Salt virt with KVM cluster

.. literalinclude:: tests/pillar/control_virt.sls
   :language: yaml


Usage

Working with salt-cloud

salt-cloud -m /path/to/map --assume-yes

Debug LIBCLOUD for salt-cloud connection

export LIBCLOUD_DEBUG=/dev/stderr; salt-cloud --list-sizes provider_name --log-level all

More Information

salt-cloud

Documentation and Bugs

To learn how to install and update salt-formulas, consult the documentation available online at:

http://salt-formulas.readthedocs.io/

In the unfortunate event that bugs are discovered, they should be reported to the appropriate issue tracker. Use Github issue tracker for specific salt formula:

https://github.com/salt-formulas/salt-formula-salt/issues

For feature requests, bug reports or blueprints affecting entire ecosystem, use Launchpad salt-formulas project:

https://launchpad.net/salt-formulas

You can also join salt-formulas-users team and subscribe to mailing list:

https://launchpad.net/~salt-formulas-users

Developers wishing to work on the salt-formulas projects should always base their work on master branch and submit pull request against specific formula.

https://github.com/salt-formulas/salt-formula-salt

Any questions or feedback is always welcome so feel free to join our IRC channel:

#salt-formulas @ irc.freenode.net