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decK
1.39.x
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旧バージョンのドキュメントを参照しています。 最新のドキュメントはこちらをご参照ください。

deck file namespace

Apply a namespace to routes in a decK file by path or hostname.

There are two main ways to namespace APIs:

  1. Use path prefixes, all on the same hostname:
    1. http://api.acme.com/service1/somepath
    2. http://api.acme.com/service2/somepath
  2. Use separate hostnames:
    1. http://service1.api.acme.com/somepath
    2. http://service2.api.acme.com/somepath

For hostnames, the --host and --clear-hosts flags are used. Just using --host appends to the existing hosts, while adding --clear-hosts will effectively replace the existing ones. For path prefixes, the --path-prefix flag is used. Combining them is possible.

Note on path-prefixing: To remain transparent to the backend services, the added path prefix must be removed from the path before the request is routed to the service. To remove the prefix, the following approaches are used (in order):

  1. If the route has strip_path=true, then the added prefix will already be stripped.
  2. If the related service has a path property that matches the prefix, then the service.path property is updated to remove the prefix.
  3. A pre-function plugin will be added to remove the prefix from the path.

Syntax

deck file namespace [command-specific flags] [global flags] filename [...filename]

Examples

# Apply namespace to a deckfile, path and host:
deck file namespace --path-prefix=/kong --host=konghq.com --state=deckfile.yaml

# Apply namespace to a deckfile, and write to a new file
# Example file 'kong.yaml':
routes:
- paths:
  - ~/tracks/system$
  strip_path: true
- paths:
  - ~/list$
  strip_path: false

# Apply namespace to the deckfile, and write to stdout:
cat kong.yaml | deck file namespace --path-prefix=/kong

# Output:
routes:
- paths:
  - ~/kong/tracks/system$
  strip_path: true
  hosts:
  - konghq.com
- paths:
  - ~/kong/list$
  strip_path: false
  hosts:
  - konghq.com
  plugins:
  - name: pre-function
    config:
      access:
      - "local ns='/kong' -- this strips the '/kong' namespace from the path\nlocal <more code here>"

Flags

--allow-empty-selectors
Do not error out if the selectors return empty (Default: false)
-c, --clear-hosts
Clear existing hosts. (Default: false)
--format
Output format: yaml or json. (Default: "yaml")
-h, --help
Help for patch.
--host
Hostname to add for host-based namespacing. Repeat for multiple hosts.
--output-file, -o
Output file to write. Use - to write to stdout. (Default: "-")
--path-prefix, -p
The path-based namespace to apply.
--selector
JSON pointer identifying an element to patch. Repeat for multiple selectors. Defaults to selecting all routes.
--state, -s
DecK spec file to process. Use - to read from stdin. (Default: "-")

Global flags

--analytics
Share anonymized data to help improve decK. Use --analytics=false to disable this. (Default: true)
--ca-cert
Custom CA certificate (raw contents) to use to verify Kong’s Admin TLS certificate. This value can also be set using DECK_CA_CERT environment variable. This takes precedence over --ca-cert-file flag.
--ca-cert-file
Path to a custom CA certificate to use to verify Kong’s Admin TLS certificate. This value can also be set using DECK_CA_CERT_FILE environment variable.
--config
Config file (default is $HOME/.deck.yaml).
--headers
HTTP headers (key:value) to inject in all requests to Kong’s Admin API. This flag can be specified multiple times to inject multiple headers.
--kong-addr
HTTP address of Kong’s Admin API. This value can also be set using the environment variable DECK_KONG_ADDR environment variable. (Default: "http://localhost:8001")
--kong-cookie-jar-path
Absolute path to a cookie-jar file in the Netscape cookie format for auth with Admin Server. You may also need to pass in as header the User-Agent that was used to create the cookie-jar.
--konnect-addr
Address of the Konnect endpoint. (Default: "https://us.api.konghq.com")
--konnect-token
Token associated with your Konnect account. This takes precedence over the --konnect-token-file flag.
--konnect-token-file
File containing the token associated with your Konnect account.
--konnect-control-plane-name
Konnect control plane name.
--no-color
Disable colorized output (Default: false)
--skip-workspace-crud
Skip API calls related to Workspaces (Kong Gateway Enterprise only). (Default: false)
--timeout
Set a request timeout for the client to connect with Kong (in seconds). (Default: 10)
--tls-client-cert
PEM-encoded TLS client certificate to use for authentication with Kong’s Admin API. This value can also be set using DECK_TLS_CLIENT_CERT environment variable. Must be used in conjunction with tls-client-key
--tls-client-cert-file
Path to the file containing TLS client certificate to use for authentication with Kong’s Admin API. This value can also be set using DECK_TLS_CLIENT_CERT_FILE environment variable. Must be used in conjunction with tls-client-key-file
--tls-client-key
PEM-encoded private key for the corresponding client certificate . This value can also be set using DECK_TLS_CLIENT_KEY environment variable. Must be used in conjunction with tls-client-cert
--tls-client-key-file
Path to file containing the private key for the corresponding client certificate. This value can also be set using DECK_TLS_CLIENT_KEY_FILE environment variable. Must be used in conjunction with tls-client-cert-file
--tls-server-name
Name to use to verify the hostname in Kong’s Admin TLS certificate. This value can also be set using DECK_TLS_SERVER_NAME environment variable.
--tls-skip-verify
Disable verification of Kong’s Admin TLS certificate. This value can also be set using DECK_TLS_SKIP_VERIFY environment variable. (Default: false)
--verbose
Enable verbose logging levels Setting this value to 2 outputs all HTTP requests/responses between decK and Kong. (Default: 0)

See also

File subcommands: