https://jujucharms.com/docs/1.25/config-LXC

Installation（Ubuntu）

#sudo add-apt-repository ppa:juju/stable  (我们使用1.25)

#sudo apt-get update && sudo apt-get install juju-core

Configuring

linux目录下有个配置文件;

    ~/.juju/environments.yaml
#juju generate-config

# This is the Juju config file, which you can use to specify multiple

# environments in which to deploy. See https://juju.ubuntu.com/docs

# for more information

# An environment configuration must always specify at least the

# following information:

# - name (to identify the environment)

# - type (to specify the provider)

# In the following example the name is "myenv" and type is "ec2".

# myenv:

#    type: ec2

# Values in <brackets> below need to be filled in by the user.

# Optional attributes are shown commented out, with

# a sample value or a value in <brackets>.

# There are several settings supported by all environments, all of which

# are optional and have specified default values. For more info, see the

# Juju documentation.

# The default environment is chosen when an environment is not

# specified using any of the following, in descending order of precedence:

#  1. -e or --environment command line parameter, passed after the command, e.g.

#     $ juju add-unit -e myenv myservice

#  2. By setting JUJU_ENV environment variable.

#  3. Using the juju switch command like this:

#     $ juju switch myenv

#

# You can control how Juju harvests machines by using the

# provisioner-harvest-mode setting. Harvesting is a process wherein

# Juju attempts to reclaim unused machines.

#

# Options are:

#

# Don't harvest any machines.

# provisioner-harvest-mode: none

#

# Only harvest machines that Juju knows about and are dead.

# provisioner-harvest-mode: destroyed

#

# Only harvest machines that Juju doesn't know about.

# provisioner-harvest-mode: unknown

#

# Harvest both dead and unknown machines.

# provisioner-harvest-mode: all

default: amazon

environments:

    # https://juju.ubuntu.com/docs/config-local.html

    local:

        type: local

        # root-dir holds the directory that is used for the storage files and

        # database. The default location is $JUJU_HOME/<env-name>.

        # $JUJU_HOME defaults to ~/.juju. Override if needed.

        #

        # root-dir: ~/.juju/local

        # storage-port holds the port where the local provider starts the

        # HTTP file server. Override the value if you have multiple local

        # providers, or if the default port is used by another program.

        #

        # storage-port: 8040

        # network-bridge holds the name of the LXC network bridge to use.

        # Override if the default LXC network bridge is different.

        #

        #

        # network-bridge: lxcbr0

        # The default series to deploy the state-server and charms on.

        # Make sure to uncomment the following option and set the value to

        # precise or trusty as desired.

        #

        # default-series: trusty

        # Whether or not to refresh the list of available updates for an

        # OS. The default option of true is recommended for use in

        # production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-refresh-update: true

        # Whether or not to perform OS upgrades when machines are

        # provisioned. The default option of true is recommended for use

        # in production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-upgrade: true

    gce:

      type: gce

      # Google Auth Info

      # The GCE provider uses OAuth to authenticate. This requires that

      # you set it up and get the relevant credentials. For more information

      # see https://cloud.google.com/compute/docs/api/how-tos/authorization.

      # The key information can be downloaded as a JSON file, or copied, from:

      #   https://console.developers.google.com/project/<projet>/apiui/credential

      # Either set the path to the downloaded JSON file here:

      auth-file:

      # ...or set the individual fields for the credentials. Either way, all

      # three of these are required and have specific meaning to GCE.

      # private-key:

      # client-email:

      # client-id:

      # Google instance info

      # To provision instances and perform related operations, the provider

      # will need to know which GCE project to use and into which region to

      # provision. While the region has a default, the project ID is

      # required. For information on the project ID, see

      # https://cloud.google.com/compute/docs/projects and regarding regions

      # see https://cloud.google.com/compute/docs/zones.

      project-id:

      # region: us-central1

      # The GCE provider uses pre-built images when provisioning instances.

      # You can customize the location in which to find them with the

      # image-endpoint setting. The default value is the a location within

      # GCE, so it will give you the best speed when bootstrapping or adding

      # machines. For more information on the image cache see

      # https://cloud-images.ubuntu.com/.

      # image-endpoint: https://www.googleapis.com

    joyent:

      type: joyent

      # SDC config

      # Can be set via env variables, or specified here

      # sdc-user: <secret>

      # Can be set via env variables, or specified here

      # sdc-key-id: <secret>

      # url defaults to us-west-1 DC, override if required

      # sdc-url: https://us-west-1.api.joyentcloud.com

      # Manta config

      # Can be set via env variables, or specified here

      # manta-user: <secret>

      # Can be set via env variables, or specified here

      # manta-key-id: <secret>

      # url defaults to us-east DC, override if required

      # manta-url: https://us-east.manta.joyent.com

      # Auth config

      # private-key-path is the private key used to sign Joyent requests.

      # Alternatively, you can supply "private-key" with the content of the private

      # key instead supplying the path to a file.

      # private-key-path: ~/.ssh/foo_id

      # algorithm defaults to rsa-sha256, override if required

      # algorithm: rsa-sha256

      # Whether or not to refresh the list of available updates for an

      # OS. The default option of true is recommended for use in

      # production systems, but disabling this can speed up local

      # deployments for development or testing.

      #

      # enable-os-refresh-update: true

      # Whether or not to perform OS upgrades when machines are

      # provisioned. The default option of true is recommended for use

      # in production systems, but disabling this can speed up local

      # deployments for development or testing.

      #

      # enable-os-upgrade: true

    # https://juju.ubuntu.com/docs/config-maas.html

    maas:

        type: maas

        # maas-server specifies the location of the MAAS server. It must

        # specify the base path.

        #

        maas-server: 'http://192.168.1.1/MAAS/'

        # maas-oauth holds the OAuth credentials from MAAS.

        #

        maas-oauth: '<add your OAuth credentials from MAAS here>'

        # maas-server bootstrap ssh connection options

        #

        # bootstrap-timeout time to wait contacting a state server, in seconds.

        bootstrap-timeout: 1800

        # Whether or not to refresh the list of available updates for an

        # OS. The default option of true is recommended for use in

        # production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-refresh-update: true

        # Whether or not to perform OS upgrades when machines are

        # provisioned. The default option of true is recommended for use

        # in production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-upgrade: true

    manual:

        type: manual

        # bootstrap-host holds the host name of the machine where the

        # bootstrap machine agent will be started.

        bootstrap-host: somehost.example.com

        # bootstrap-user specifies the user to authenticate as when

        # connecting to the bootstrap machine. It defaults to

        # the current user.

        # bootstrap-user: joebloggs

        # storage-listen-ip specifies the IP address that the

        # bootstrap machine's Juju storage server will listen

        # on. By default, storage will be served on all

        # network interfaces.

        # storage-listen-ip:

        # storage-port specifes the TCP port that the

        # bootstrap machine's Juju storage server will listen

        # on. It defaults to 8040

        # storage-port: 8040

        # Whether or not to refresh the list of available updates for an

        # OS. The default option of true is recommended for use in

        # production systems.

        #

        # enable-os-refresh-update: true

        # Whether or not to perform OS upgrades when machines are

        # provisioned. The default option of false is set so that Juju

        # does not subsume any other way the system might be

        # maintained.

        #

        # enable-os-upgrade: false

    vmware:

      type: vsphere

      # IP address or DNS name of vsphere API host.

      host:

      # Vsphere API user credentials.

      user:

      password:

      # Name of vsphere datacenter.

      datacenter:

      # Name of the network, that all created vms will use ot obtain public ip address.

      # This network should have ip pool configured or DHCP server connected to it.

      # This parameter is optional.

      extenal-network:

    # https://juju.ubuntu.com/docs/config-azure.html

    azure:

        type: azure

        # location specifies the place where instances will be started,

        # for example: West US, North Europe.

        #

        location: West US

        # The following attributes specify Windows Azure Management

        # information. See:

        # http://msdn.microsoft.com/en-us/library/windowsazure

        # for details.

        #

        management-subscription-id: 00000000-0000-0000-0000-000000000000

        management-certificate-path: /home/me/azure.pem

        # storage-account-name holds Windows Azure Storage info.

        #

        storage-account-name: abcdefghijkl

        # force-image-name overrides the OS image selection to use a fixed

        # image for all deployments. Most useful for developers.

        #

        # force-image-name: b39f27a8b8c64d52b05eac6a62ebad85__Ubuntu-13_10-amd64-server-DEVELOPMENT-20130713-Juju_ALPHA-en-us-30GB

        # image-stream chooses a simplestreams stream from which to select

        # OS images, for example daily or released images (or any other stream

        # available on simplestreams).

        #

        # image-stream: "released"

        # agent-stream chooses a simplestreams stream from which to select tools,

        # for example released or proposed tools (or any other stream available

        # on simplestreams).

        #

        # agent-stream: "released"

        # Whether or not to refresh the list of available updates for an

        # OS. The default option of true is recommended for use in

        # production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-refresh-update: true

        # Whether or not to perform OS upgrades when machines are

        # provisioned. The default option of true is recommended for use

        # in production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-upgrade: true

    # https://juju.ubuntu.com/docs/config-cloudsigma.html

    cloudsigma:

        type: cloudsigma

        # region holds the cloudsigma region (zrh, lvs, ...).

        #

        # region: <your region>

        # credentials for CloudSigma account

        #

        # username: <your username>

        # password: <secret>

    # https://juju.ubuntu.com/docs/config-aws.html

    amazon:

        type: ec2

        # region specifies the EC2 region. It defaults to us-east-1.

        #

        # region: us-east-1

        # access-key holds the EC2 access key. It defaults to the

        # environment variable AWS_ACCESS_KEY_ID.

        #

        # access-key: <secret>

        # secret-key holds the EC2 secret key. It defaults to the

        # environment variable AWS_SECRET_ACCESS_KEY.

        #

        # secret-key: <secret>

        # image-stream chooses a simplestreams stream from which to select

        # OS images, for example daily or released images (or any other stream

        # available on simplestreams).

        #

        # image-stream: "released"

        # agent-stream chooses a simplestreams stream from which to select tools,

        # for example released or proposed tools (or any other stream available

        # on simplestreams).

        #

        # agent-stream: "released"

        # Whether or not to refresh the list of available updates for an

        # OS. The default option of true is recommended for use in

        # production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-refresh-update: true

        # Whether or not to perform OS upgrades when machines are

        # provisioned. The default option of true is recommended for use

        # in production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-upgrade: true

    # https://juju.ubuntu.com/docs/config-openstack.html

    openstack:

        type: openstack

        # use-floating-ip specifies whether a floating IP address is

        # required to give the nodes a public IP address. Some

        # installations assign public IP addresses by default without

        # requiring a floating IP address.

        #

        # use-floating-ip: false

        # use-default-secgroup specifies whether new machine instances

        # should have the "default" Openstack security group assigned.

        #

        # use-default-secgroup: false

        # network specifies the network label or uuid to bring machines up

        # on, in the case where multiple networks exist. It may be omitted

        # otherwise.

        #

        # network: <your network label or uuid>

        # agent-metadata-url specifies the location of the Juju tools and

        # metadata. It defaults to the global public tools metadata

        # location https://streams.canonical.com/tools.

        #

        # agent-metadata-url:  https://your-agent-metadata-url

        # image-metadata-url specifies the location of Ubuntu cloud image

        # metadata. It defaults to the global public image metadata

        # location https://cloud-images.ubuntu.com/releases.

        #

        # image-metadata-url:  https://your-image-metadata-url

        # image-stream chooses a simplestreams stream from which to select

        # OS images, for example daily or released images (or any other stream

        # available on simplestreams).

        #

        # image-stream: "released"

        # agent-stream chooses a simplestreams stream from which to select tools,

        # for example released or proposed tools (or any other stream available

        # on simplestreams).

        #

        # agent-stream: "released"

        # auth-url defaults to the value of the environment variable

        # OS_AUTH_URL, but can be specified here.

        #

        # auth-url: https://yourkeystoneurl:443/v2.0/

        # tenant-name holds the openstack tenant name. It defaults to the

        # environment variable OS_TENANT_NAME.

        #

        # tenant-name: <your tenant name>

        # region holds the openstack region. It defaults to the

        # environment variable OS_REGION_NAME.

        #

        # region: <your region>

        # The auth-mode, username and password attributes are used for

        # userpass authentication (the default).

        #

        # auth-mode holds the authentication mode. For user-password

        # authentication, auth-mode should be "userpass" and username and

        # password should be set appropriately; they default to the

        # environment variables OS_USERNAME and OS_PASSWORD respectively.

        #

        # auth-mode: userpass

        # username: <your username>

        # password: <secret>

        # For key-pair authentication, auth-mode should be "keypair" and

        # access-key and secret-key should be set appropriately; they

        # default to the environment variables OS_ACCESS_KEY and

        # OS_SECRET_KEY respectively.

        #

        # auth-mode: keypair

        # access-key: <secret>

        # secret-key: <secret>

        # Whether or not to refresh the list of available updates for an

        # OS. The default option of true is recommended for use in

        # production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-refresh-update: true

        # Whether or not to perform OS upgrades when machines are

        # provisioned. The default option of true is recommended for use

        # in production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-upgrade: true

    # https://juju.ubuntu.com/docs/config-hpcloud.html

    hpcloud:

        type: openstack

        # use-floating-ip specifies whether a floating IP address is

        # required to give the nodes a public IP address. Some

        # installations assign public IP addresses by default without

        # requiring a floating IP address.

        #

        # use-floating-ip: true

        # use-default-secgroup specifies whether new machine instances

        # should have the "default" Openstack security group assigned.

        #

        # use-default-secgroup: false

        # tenant-name holds the openstack tenant name. In HPCloud, this is

        # synonymous with the project-name It defaults to the environment

        # variable OS_TENANT_NAME.

        #

        # tenant-name: <your tenant name>

        # image-stream chooses a simplestreams stream from which to select

        # OS images, for example daily or released images (or any other stream

        # available on simplestreams).

        #

        # image-stream: "released"

        # agent-stream chooses a simplestreams stream from which to select tools,

        # for example released or proposed tools (or any other stream available

        # on simplestreams).

        #

        # agent-stream: "released"

        # auth-url holds the keystone url for authentication. It defaults

        # to the value of the environment variable OS_AUTH_URL.

        #

        # auth-url: https://region-a.geo-1.identity.hpcloudsvc.com:35357/v2.0/

        # region holds the cloud region (e.g. region-a.geo-1). It

        # defaults to the environment variable OS_REGION_NAME.

        #

        # region: <your region>

        # auth-mode holds the authentication mode. For user-password

        # authentication, auth-mode should be "userpass" and username and

        # password should be set appropriately; they default to the

        # environment variables OS_USERNAME and OS_PASSWORD respectively.

        #

        # auth-mode: userpass

        # username: <your_username>

        # password: <your_password>

        # For key-pair authentication, auth-mode should be "keypair" and

        # access-key and secret-key should be set appropriately; they

        # default to the environment variables OS_ACCESS_KEY and

        # OS_SECRET_KEY respectively.

        #

        # auth-mode: keypair

        # access-key: <secret>

        # secret-key: <secret>

        # Whether or not to refresh the list of available updates for an

        # OS. The default option of true is recommended for use in

        # production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-refresh-update: true

        # Whether or not to perform OS upgrades when machines are

        # provisioned. The default option of true is recommended for use

        # in production systems, but disabling this can speed up local

        # deployments for development or testing.

        #

        # enable-os-upgrade: true
    
#juju bootstrap（注意这里要跟一个集群）

　　

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