add prometheus option

deploy/ansible/worker/include/run_ursula.yml

@@ -70,7 +70,7 @@
           max-file: "5"
         image: "{{ nucypher_image | default('nucypher/nucypher:latest') }}"
         restart_policy: "unless-stopped"
-        command: "nucypher ursula run {{nucypher_ursula_run_options | default('')}} {{signer_options}} --lonely --prometheus --metrics-port 9101"
+        command: "nucypher ursula run {{nucypher_ursula_run_options | default('')}} {{signer_options}} --lonely {{prometheus | default('')}}"
         volumes:
           - /home/nucypher:/root/.local/share/
         ports:
@@ -102,7 +102,7 @@
           max-file: "5"
         image: "{{ nucypher_image | default('nucypher/nucypher:latest') }}"
         restart_policy: "unless-stopped"
-        command: "nucypher ursula run {{nucypher_ursula_run_options | default('')}} {{signer_options}} --disable-availability-check --teacher {{SEED_NODE_URI}} --prometheus --metrics-port 9101"
+        command: "nucypher ursula run {{nucypher_ursula_run_options | default('')}} {{signer_options}} --disable-availability-check --teacher {{SEED_NODE_URI}} {{prometheus | default('')}}"
         volumes:
           - /home/nucypher:/root/.local/share/
         ports:

nucypher/cli/commands/cloudworkers.py

@@ -54,8 +54,9 @@ def cloudworkers():
 @click.option('--sentry-dsn', help="a sentry dsn for these workers (https://sentry.io/)", default=None)
 @click.option('--include-stakeholder', 'stakes', help="limit worker to specified stakeholder addresses", multiple=True)
 @click.option('--wipe', help="Clear nucypher configs on existing nodes and start a fresh node with new keys.", default=False, is_flag=True)
+@click.option('--prometheus', help="Run Prometheus on workers.", default=False, is_flag=True)
 @group_general_config
-def up(general_config, staker_options, config_file, cloudprovider, aws_profile, remote_provider, nucypher_image, seed_network, sentry_dsn, stakes, wipe):
+def up(general_config, staker_options, config_file, cloudprovider, aws_profile, remote_provider, nucypher_image, seed_network, sentry_dsn, stakes, wipe, prometheus):
     """Creates workers for all stakes owned by the user for the given network."""
 
     emitter = setup_emitter(general_config)
@@ -74,7 +75,7 @@ def up(general_config, staker_options, config_file, cloudprovider, aws_profile,
 
     config_file = config_file or StakeHolderConfiguration.default_filepath()
 
-    deployer = CloudDeployers.get_deployer(cloudprovider)(emitter, STAKEHOLDER, config_file, remote_provider, nucypher_image, seed_network, sentry_dsn, aws_profile)
+    deployer = CloudDeployers.get_deployer(cloudprovider)(emitter, STAKEHOLDER, config_file, remote_provider, nucypher_image, seed_network, sentry_dsn, aws_profile, prometheus)
     config = deployer.create_nodes_for_stakers(staker_addresses)
 
     if config.get('instances') and len(config.get('instances')) >= len(staker_addresses):
@@ -124,8 +125,9 @@ def add(general_config, staker_options, config_file, staker_address, host_addres
 @click.option('--sentry-dsn', help="a sentry dsn for these workers (https://sentry.io/)", default=None)
 @click.option('--include-stakeholder', 'stakes', help="limit worker to specified stakeholder addresses", multiple=True)
 @click.option('--wipe', help="Clear your nucypher config and start a fresh node with new kets", default=False, is_flag=True)
+@click.option('--prometheus', help="Run Prometheus on workers.", default=False, is_flag=True)
 @group_general_config
-def deploy(general_config, staker_options, config_file, remote_provider, nucypher_image, seed_network, sentry_dsn, stakes, wipe):
+def deploy(general_config, staker_options, config_file, remote_provider, nucypher_image, seed_network, sentry_dsn, stakes, wipe, prometheus):
     """Deploys NuCypher on existing hardware."""
 
     emitter = setup_emitter(general_config)
@@ -144,7 +146,7 @@ def deploy(general_config, staker_options, config_file, remote_provider, nucyphe
 
     config_file = config_file or StakeHolderConfiguration.default_filepath()
 
-    deployer = CloudDeployers.get_deployer('generic')(emitter, STAKEHOLDER, config_file, remote_provider, nucypher_image, seed_network, sentry_dsn)
+    deployer = CloudDeployers.get_deployer('generic')(emitter, STAKEHOLDER, config_file, remote_provider, nucypher_image, seed_network, sentry_dsn, prometheus=prometheus)
 
     emitter.echo("found nodes for the following stakers:")
     for staker_address in staker_addresses:

nucypher/utilities/clouddeploy.py

@@ -133,7 +133,19 @@ class AnsiblePlayBookResultsCollector(CallbackBase):
 
 class BaseCloudNodeConfigurator:
 
-    def __init__(self, emitter, stakeholder, stakeholder_config_path, blockchain_provider=None, nucypher_image=None, seed_network=False, sentry_dsn=None, profile=None):
+    PROMETHEUS_PORT = PROMETHEUS_PORTS[0]
+
+    def __init__(self,
+        emitter,
+        stakeholder,
+        stakeholder_config_path,
+        blockchain_provider=None,
+        nucypher_image=None,
+        seed_network=False,
+        sentry_dsn=None,
+        profile=None,
+        prometheus=False,
+        ):
 
         self.emitter = emitter
         self.stakeholder = stakeholder
@@ -183,6 +195,8 @@ class BaseCloudNodeConfigurator:
             self.config.pop('seed_node', None)
         self.nodes_are_decentralized = 'geth.ipc' in self.config['blockchain_provider']
         self.config['stakeholder_config_file'] = stakeholder_config_path
+        self.config['use-prometheus'] = prometheus
+
         self._write_config()
 
     def _write_config(self):

nucypher/utilities/templates/cloud_deploy_ansible_inventory.j2

@@ -19,6 +19,7 @@ all:
                 nucypher_image: {{deployer.config['nucypher_image']}}
                 blockchain_provider: {{deployer.config['blockchain_provider']}}
                 node_is_decentralized: {{deployer.nodes_are_decentralized}}
+                prometheus: {% if deployer.config.get('use-prometheus') %}--prometheus --metrics-port {{deployer.PROMETHEUS_PORT}}{% endif %}
                 SEED_NODE_URI:{% if deployer.config.get('seed_node') %} {{deployer.config['seed_node']}}{% endif %}
                 {% if deployer.config.get('sentry_dsn')%}SENTRY_DSN: {{deployer.config['sentry_dsn']}}{% endif %}
                 wipe_nucypher_config: {{wipe_nucypher}}