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PivNet Resource

Interact with Tanzu Network from concourse.

Installing

The recommended method to use this resource is with resource_types in the pipeline config as follows:

---
resource_types:
- name: pivnet
  type: docker-image
  source:
    repository: pivotalcf/pivnet-resource
    tag: latest-final

Using tag: latest-final will automatically pull the latest final release, which can be found on the releases page.

To avoid automatically upgrading, use a fixed tag instead e.g. tag: v0.6.3

Releases are semantically versioned; these correspond to the git tags in this repository.

Source configuration

resources:
- name: p-mysql
  type: pivnet
  source:
    api_token: {{api-token}}
    product_slug: p-mysql
  • api_token: Required string.

    Token from your Tanzu Network profile. Accepts either your Legacy API Token or UAA Refresh Token.

  • product_slug: Required string.

    Name of product on Tanzu Network.

  • release_type: Optional boolean.

    If true, lock to a specific Tanzu Network release type.

  • copy_metadata: Optional boolean.

    If true, copy specified metadata from the latest All Users release within the minor releases. Defaults to false.

    The following metadata is copied:

    • Release Notes URL
    • End of General Support
    • End of Technical Guidance
    • End of Availability
    • EULA
    • License Exception
    • ECCN
    • Controlled
    • Dependency Specifiers
    • Upgrade Path Specifiers
  • endpoint: Optional string.

    Endpoint to use for communicating with Tanzu Network.

    Defaults to https://network.tanzu.vmware.com.

  • product_version: Optional string.

    Regular expression to match against product versions, e.g. 1\.2\..*.

    Empty values match all product versions.

  • sort_by: Optional string.

    Order to use for sorting releases. One of the following:

    • none: the order they come back from Tanzu Network.
    • semver: by semantic version, in descending order from the highest-valued version.
    • last_updated: by last updated at time, in descending order from the most recently updated version. Please note that if an earlier release is updated then the Pivnet Resource 'check' step will return it again.

Example pipeline configuration

See example pipeline configurations.

Behavior

check: check for new product versions on Tanzu Network

Discovers all versions of the provided product. Returned versions are optionally filtered and ordered by the source configuration.

in: download the product from Tanzu Network

Downloads the provided product from Tanzu Network. You will be required to accept a EULA for any product you're downloading for the first time, as well as if the terms and conditions associated with the product change.

The metadata for the product is written to both metadata.json and metadata.yaml in the working directory (typically /tmp/build/get). Use this to programmatically determine metadata of the release.

See metadata for more details on the structure of the metadata file.

Parameters

  • globs: Optional array.

    Array of globs matching files to download.

    If multiple files are matched, they are all downloaded.

    • The globs match on the actual file names, not the display names in Tanzu Network. This is to provide a more consistent experience between uploading and downloading files.

    • If the globs fail to match any files the release download fails with error.

    • If one or more globs fails to match any files, only the matched files will be downloaded.

    • If globs is not provided (or is nil), all files will be downloaded.

    • Setting globs to the empty array (i.e. globs: []) will not attempt to download any files.

    • Files are downloaded to the working directory (e.g. /tmp/build/get) and the file names will be the same as they are on Tanzu Network - e.g. a file with name some-file.txt will be downloaded to /tmp/build/get/some-file.txt.

  • unpack: Optional boolean.

    If true, unpack the downloaded file.

    • This can be used to use a root filesystem that is packaged as an archive file on network.tanzu.vmware.com as the image to run a given Concourse task.

More generally, the unpack parameter can be used with get to pass an image to a task definition, as in the below example.

resource:
- name: image
  type: pivnet
  source:
    api_token: {{pivnet_token}}
    product_slug: {{image-slug}}
    product_version: 0\.0\..*

jobs:
- name: sample
  serial: true
  plan:
  - get: tasks
  - get: image
    resource: pcf-automation
    params:
      globs: ["image-*.tar"]
      unpack: true

  - task: say hello
    image: image
    file: tasks/say-hello.yml

out: upload a product to Tanzu Network

Creates a new release on Tanzu Network with the provided version and metadata.

It can also upload one or more files to Tanzu Network bucket and calculate the MD5 checksum locally for each file in order to add MD5 checksum to the file metadata in Tanzu Network. Note that:

  • Existing product files with the same AWS key are not deleted and recreated.

  • If you want to associate an existing product file with a new release, you can do so by specifying the existing AWS key when creating the release. This will not break past release associations.

  • If the AWS key matches an existing file, but the hash does not match, you will receive an error and need to rename the file.

  • Existing releases with the same version will not be deleted and recreated by default, and will instead result in an error.

See metadata for more details on the structure of the metadata file.

Parameters

  • file_glob: Optional string representing a glob.

    Glob for matching files to upload and attached to release.

    If multiple files are matched by the glob, they are all uploaded. If no files are matched, release creation fails with an error.

  • metadata_file: Required string.

    Relative path to a file containing metadata for releases and product files.

    See metadata for more details on the structure of the metadata file.

  • skip_product_file_polling: Optional boolean.

    If true, skip product file validation checks after upload. Tanzu Network still validates the files asynchronously, but waiting for the results will not happen as part of the put: process. Note: All associated product files in a release must still clear validation before the release can be promoted from Admins Only visibility.

  • override: Optional boolean.

    If true, forces a re-upload of release and versions that are already present on Tanzu Network. It will delete and re-create the release. To update the files of an existing release, use existing_release.

See metadata for more details on the structure of the metadata file for this use case.

Some common gotchas

Using glob patterns instead of regex patterns

We commonly see product_version patterns that look something like these:

product_version: Go*          # Go Buildpack
#....
product_version: 1\.12\.*       # ERT

These superficially resemble globs, not regexes — but they are regexes. These will generally work, but not because they are a glob. They work because the regex will also match.

For example, the first pattern, Go* will match "Go Buildpack 1.1.1". But it would also match "Goooooooo" or "Go Tell It On A Mountain". The second pattern, 1\.12\.*, will match "1.12.0". But it will also match "1.12........." and "1.12.notanumber"

Instead, try patterns like:

product_version: Go.*\d+\.\d+\.\d+  # Go Buildpack
#....
product_version: 1\.12\.\d+         # ERT

Note that the regex syntax is Go's, which is slightly limited compared to PCRE and other popular syntaxes.

Using check-resource for sorted but non-sequential releases (eg. Buildpacks, Stemcells)

When doing a check, pivnet-resource defaults to using the server-provided order. This works fine for simple cases where the response from the server is already in semver order. For example, imagine this order from a product:

1.12.3
1.12.2
1.12.1
1.12.0
1.11.4
1.11.3
1.11.2
1.11.1
1.11.0

This list is in descending semver order. All the 1.12 patch releases are together, followed by all the 1.11 patch releases and so on.

Some products do not group into major or major.minor groups in their responses. This is usually because a product has multiple concurrent version releases. For example, stemcells typically have multiple major versions available. When a CVE is announced that affects them, multiple releases may occur at once, giving an order like:

9999.21
7777.19
9999.20
7777.18

In this example, the available versions for 9999 and 7777 are sorted within the list, but not sequential.

To fix, use sort_by: semver in your resource definition.

Note that buildpack "versions" are actually a name and a version combined. You'll need to escape spaces in your check-resource command for it to work properly. Eg:

fly -t pivnet check-resource \
  --resource pivnet-resource-bug-152616708/binary-buildpack \
  --from product_version:Binary\ 1.0.11#2017-03-23T13:57:51.214Z

In this example we escaped the space between "Binary" and "1.0.11".

Integration environment

The Tanzu Network team maintains an integration environment at https://network-integration.tanzu.vmware.com/.

This environment is useful for teams to develop against, as changes to products in this account are separated from the live account.

An example configuration for the integration environment might look like:

resources:
- name: p-mysql
  type: pivnet
  source:
    api_token: {{api-token}}
    product_slug: p-mysql
    endpoint: https://network-integration.tanzu.vmware.com

The integration environment does not have registry and hence operations regarding artifact references are not enabled on it.

Developing

Prerequisites

A valid install of golang is required - version 1.7.x is tested; earlier versions may also work.

Dependencies

We use go modules for dependencies, so you will have to make sure to turn them on with GO111MODULE=on.

Running the tests

Install the ginkgo executable with:

go get -u github.com/onsi/ginkgo/ginkgo

The tests require a valid Tanzu Network API token and valid AWS S3 configuration.

Refer to the official docs for more details on obtaining a Tanzu Network API token.

It is advised to run the acceptance tests against the Tanzu Network integration environment endpoint https://network-integration.tanzu.vmware.com.

Run the tests with the following command (dummy values must be replaced by user):

PRODUCT_SLUG=my-product-slug-eg-tanzu-diego-pcf \
ARTIFACT_NAME=image-in-dev-registry \
ARTIFACT_PATH=path-in-dev-registry:tag \
ARTIFACT_DIGEST=sha256:letters \
API_TOKEN=my-token \
PIVNET_ENDPOINT=some-pivnet-endpoint \
PIVNET_RESOURCE_REFRESH_TOKEN=some-pivnet-resource-token \
./bin/test

Contributing

Please make all pull requests to the master branch, and ensure the tests pass locally.

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Concourse Resource to interact with the Tanzu Network API V2 interface.

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