85 lines
4.3 KiB
Python
85 lines
4.3 KiB
Python
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from typing import Any, Dict
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from dbt.contracts.connection import HasCredentials
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from dbt.context.base import (
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BaseContext, contextproperty
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)
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class TargetContext(BaseContext):
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def __init__(self, config: HasCredentials, cli_vars: Dict[str, Any]):
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super().__init__(cli_vars=cli_vars)
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self.config = config
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@contextproperty
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def target(self) -> Dict[str, Any]:
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"""`target` contains information about your connection to the warehouse
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(specified in profiles.yml). Some configs are shared between all
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adapters, while others are adapter-specific.
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Common:
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|----------|-----------|------------------------------------------|
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| Variable | Example | Description |
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|----------|-----------|------------------------------------------|
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| name | dev | Name of the active target |
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|----------|-----------|------------------------------------------|
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| schema | dbt_alice | Name of the dbt schema (or, dataset on |
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| | | BigQuery) |
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|----------|-----------|------------------------------------------|
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| type | postgres | The active adapter being used. |
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|----------|-----------|------------------------------------------|
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| threads | 4 | The number of threads in use by dbt |
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|----------|-----------|------------------------------------------|
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Snowflake:
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|----------|-----------|------------------------------------------|
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| Variable | Example | Description |
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|----------|-----------|------------------------------------------|
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| database | RAW | The active target's database. |
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|----------|-----------|------------------------------------------|
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| warehouse| TRANSFORM | The active target's warehouse. |
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|----------|-----------|------------------------------------------|
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| user | USERNAME | The active target's user |
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|----------|-----------|------------------------------------------|
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| role | ROLENAME | The active target's role |
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|----------|-----------|------------------------------------------|
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| account | abc123 | The active target's account |
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|----------|-----------|------------------------------------------|
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Postgres/Redshift:
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|----------|-------------------|----------------------------------|
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| Variable | Example | Description |
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|----------|-------------------|----------------------------------|
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| dbname | analytics | The active target's database. |
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|----------|-------------------|----------------------------------|
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| host | abc123.us-west-2. | The active target's host. |
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| | redshift.amazonaws| |
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| | .com | |
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|----------|-------------------|----------------------------------|
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| user | dbt_user | The active target's user |
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|----------|-------------------|----------------------------------|
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| port | 5439 | The active target's port |
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|----------|-------------------|----------------------------------|
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BigQuery:
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|----------|-----------|------------------------------------------|
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| Variable | Example | Description |
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|----------|-----------|------------------------------------------|
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| project | abc-123 | The active target's project. |
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|----------|-----------|------------------------------------------|
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"""
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return self.config.to_target_dict()
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def generate_target_context(
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config: HasCredentials, cli_vars: Dict[str, Any]
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) -> Dict[str, Any]:
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ctx = TargetContext(config, cli_vars)
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return ctx.to_dict()
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