156 lines
4.2 KiB
Markdown
156 lines
4.2 KiB
Markdown
# Setup development env
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* Install virtualbox
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* Install vagrant
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* Setup environment
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```
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$ cd fuel-ng
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$ vagrant up
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```
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* Login into vm, the code is available in /vagrant directory
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```
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$ vagrant ssh
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$ solar --help
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```
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## Solar usage
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* discover nodes, with standard file based discovery
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```
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solar discover
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```
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* create profile (global config)
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```
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solar profile --create --id prf1 --tags env/test_env
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```
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* assign nodes to profile with tags
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* edit nodes files, in the future we want to provide
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some cli in order to change the data
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```
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vim tmp/storage/nodes-id.yaml
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```
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* add `env/test_env` in tags list
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* assign resources to nodes
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```
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# TODO Does not work without default values in golden templates
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solar assign -n "env/test_env && node/1" -r resource/mariadb
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```
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# Low level API
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## HAProxy deployment
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```
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cd /vagrant
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python cli.py deploy haproxy_deployment/haproxy-deployment.yaml
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```
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or from Python shell:
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```
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from x import deployment
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deployment.deploy('/vagrant/haproxy_deployment/haproxy-deployment.yaml')
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```
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## Usage:
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Creating resources:
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```
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from x import resource
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node1 = resource.create('node1', 'x/resources/ro_node/', 'rs/', {'ip':'10.0.0.3', 'ssh_key' : '/vagrant/tmp/keys/ssh_private', 'ssh_user':'vagrant'})
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node2 = resource.create('node2', 'x/resources/ro_node/', 'rs/', {'ip':'10.0.0.4', 'ssh_key' : '/vagrant/tmp/keys/ssh_private', 'ssh_user':'vagrant'})
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keystone_db_data = resource.create('mariadb_keystone_data', 'x/resources/data_container/', 'rs/', {'image' : 'mariadb', 'export_volumes' : ['/var/lib/mysql'], 'ip': '', 'ssh_user': '', 'ssh_key': ''}, connections={'ip' : 'node2.ip', 'ssh_key':'node2.ssh_key', 'ssh_user':'node2.ssh_user'})
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nova_db_data = resource.create('mariadb_nova_data', 'x/resources/data_container/', 'rs/', {'image' : 'mariadb', 'export_volumes' : ['/var/lib/mysql'], 'ip': '', 'ssh_user': '', 'ssh_key': ''}, connections={'ip' : 'node1.ip', 'ssh_key':'node1.ssh_key', 'ssh_user':'node1.ssh_user'})
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```
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to make connection after resource is created use `signal.connect`
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To test notifications:
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```
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keystone_db_data.args # displays node2 IP
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node2.update({'ip': '10.0.0.5'})
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keystone_db_data.args # updated IP
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```
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If you close the Python shell you can load the resources like this:
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```
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from x import resource
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node1 = resource.load('rs/node1')
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node2 = resource.load('rs/node2')
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keystone_db_data = resource.load('rs/mariadn_keystone_data')
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nova_db_data = resource.load('rs/mariadb_nova_data')
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```
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Connections are loaded automatically.
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You can also load all resources at once:
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```
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from x import resource
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all_resources = resource.load_all('rs')
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```
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## CLI
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You can do the above from the command-line client:
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```
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cd /vagrant
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python cli.py resource create node1 x/resources/ro_node/ rs/ '{"ip":"10.0.0.3", "ssh_key" : "/vagrant/tmp/keys/ssh_private", "ssh_user":"vagrant"}'
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python cli.py resource create node2 x/resources/ro_node/ rs/ '{"ip":"10.0.0.4", "ssh_key" : "/vagrant/tmp/keys/ssh_private", "ssh_user":"vagrant"}'
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python cli.py resource create mariadb_keystone_data x/resources/data_container/ rs/ '{"image": "mariadb", "export_volumes" : ["/var/lib/mysql"], "ip": "", "ssh_user": "", "ssh_key": ""}'
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python cli.py resource create mariadb_nova_data x/resources/data_container/ rs/ '{"image" : "mariadb", "export_volumes" : ["/var/lib/mysql"], "ip": "", "ssh_user": "", "ssh_key": ""}'
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# View resourcespython cli.py resource show rs/mariadb_keystone_data
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# Show all resources at location rs/
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python cli.py resource show rs/ --all
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# Show resources with specific tagspython cli.py resources show rs/ --tag test
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# Connect resourcespython cli.py connect rs/node2 rs/mariadb_keystone_data
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python cli.py connect rs/node1 rs/mariadb_nova_data
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# Test updatepython cli.py update rs/node2 '{"ip": "1.1.1.1"}'
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python cli.py resource show rs/mariadb_keystone_data # --> IP is 1.1.1.1
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# View connections
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python cli.py connections show
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# Outputs graph to 'graph.png' file, please note that arrows don't have "normal" pointers, but just the line is thicker
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# please see http://networkx.lanl.gov/_modules/networkx/drawing/nx_pylab.html
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python cli.py connections graph
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# Disconnect
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python cli.py disconnect rs/mariadb_nova_data rs/node1
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# Tag a resource:
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python cli.py resource tag rs/node1 test-tags# Remove tagspython cli.py resource tag rs/node1 test-tag --delete
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```
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