144 lines
3.6 KiB
Markdown
144 lines
3.6 KiB
Markdown
# Dew Vault Secret Manager
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Dew Vault stores project secrets as encrypted files under `.project/vault`.
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By default the vault password is stored in `.project/secrets/dew.vault.password`.
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## Config
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Vault settings live in `.project/dew.yaml` under `dew.vault`.
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```yaml
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dew:
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vault:
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password_file: .project/secrets/dew.vault.password
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storage_dir: .project/vault
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generators:
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postgres_password:
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type: random_password
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description: Generate random PostgreSQL passwords.
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config:
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length: 64
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include_symbols: true
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jwt_secret:
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type: random_token
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description: Generate JWT signing secrets.
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config:
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encoding: base64
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bytes: 48
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service_uuid:
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type: uuid_v4
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description: Generate stable-looking unique IDs.
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```
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`generators` maps a generator name to a built-in generator definition. Values
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under `config` are defaults and can be overridden per command invocation or in
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secret rotation metadata.
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Built-in generator types are resolved inside Dew, so secrets can be generated
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without depending on host binaries.
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## Commands
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Most commands support `--format [default|json]` (default is `default`) for
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machine-friendly automation.
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### Initialize Vault
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Initialize vault directories and password file.
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```bash
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dew vault init
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dew vault init --password-file .project/secrets/dew.vault.password
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dew vault init --storage-dir .project/vault
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```
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### List all secrets
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```bash
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dew vault list
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dew vault list --format json
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```
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### Set a secret
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`set` stores or replaces a secret and optional metadata.
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```bash
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dew vault set --name DB_PASSWORD --file /path/to/secret.txt
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dew vault set --name DB_PASSWORD --env ENV_VAR_NAME
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```
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### Get a secret
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```bash
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dew vault get --name DB_PASSWORD
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dew vault get --name DB_PASSWORD --format json
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```
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### Update a secret
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`update` patches secret metadata and/or value. Omit value source flags to edit
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metadata only.
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```bash
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dew vault update --name DB_PASSWORD --metadata '{"rotation":{"enabled":true,"generator":"postgres_password","length":64}}'
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dew vault update --name DB_PASSWORD --metadata-file .project/vault/db_password.meta.json
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```
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### Rename a secret
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```bash
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dew vault rename --from OLD_NAME --to NEW_NAME
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dew vault rename --from OLD_NAME --to NEW_NAME --format json
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```
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### Generate a secret value
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`generate` uses configured generators without writing to the vault by default.
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```bash
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dew vault generate --generator postgres_password --arg length=64 --arg include_symbols=true
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dew vault generate --generator jwt_secret --arg bytes=64 --arg encoding=base64
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dew vault generate --generator postgres_password --arg service=payments --arg username=app_user --format json
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```
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### Rotate secrets
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`rotate` rewraps secrets with a new vault password when run without a name.
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When run with a secret name, it rotates only that secret.
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```bash
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dew vault rotate
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dew vault rotate --name DB_PASSWORD
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dew vault rotate --name DB_PASSWORD --format json
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```
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### Delete a secret
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```bash
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dew vault delete --name DB_PASSWORD
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dew vault delete --name DB_PASSWORD --format json
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```
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### Metadata format for rotation-aware secrets
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Attach arbitrary metadata and include rotation policy details. Example shape:
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```json
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{
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"rotation": {
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"generator": "postgres_password",
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"service": "payments",
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"username": "app_user",
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"length": 64
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},
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"notes": "Rotate monthly and update app config via sidecar"
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}
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```
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Rotation flow:
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1. Define a built-in generator in `dew.yaml` under `dew.vault.generators`.
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2. Attach `rotation.generator` and generator args to secret metadata.
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3. Run `dew vault rotate --name ...` to rotate one secret, or `dew vault rotate`
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to rotate all secrets.
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