Disco API - OpenJDK distributions as a service

Gerrit Grunwald | Senior Developer Advocate | foojay.io
ABOUTME.

Discover distributions
of OpenJDK as a
service…

Does the distribution
support 11.0.8…?

Does the distribution
support your OS…?

That who have the choice...
๏Adopt OpenJDK

๏Corretto

๏Dragonwell

๏(GraalVM CE)

๏Liberica

๏(Liberica Native)

๏(Mandrel)

๏Microsoft

๏OJDK Build
๏Open Logic

๏Oracle

๏Oracle OpenJDK

๏RedHat

๏SAP Machine

๏Temurin

๏Trava

๏Zulu

๏Zulu Prime

The situation...
๏We have many different distributions

๏Not all distributions support all versions

๏Most distributions are free but some are not

๏Some distributions have special features

๏Every distribution has it’s own way to get it

What about having a
General API that…

Serves information about…
๏Distributions

๏Versions

๏Platforms

๏Operating Systems

๏Architectures
๏Archive types

๏Release status

๏Terms of support

๏Package types

๏Signatures

https://api.foojay.io
๏/disco/v2.0/major_versions

๏/disco/v2.0/distributions

๏/disco/v2.0/packages

๏/disco/v2.0/packages/jdks

๏/disco/v2.0/packages/jres

๏/disco/v2.0/packages/yaml

๏/disco/v2.0/ephemeral_ids

https://api.foojay.io/disco/v2.0/
major_versions

/major_versions?
๏ea=true (Early Access)

๏ga=true (General Availability)

๏maintained=true* (Actively maintained, at the moment 7, 8, 11, 13, 15, 16, 17-ea, 18-ea)
*will change over time

{

"result": [

{

"major_version": 17,

"term_of_support": "LTS",

"maintained": true,

"versions": [

"17-ea"

]

},

{


"term_of_support": "STS",

"maintained": true,

"versions": [

"16-ea"

]

},

{


"term_of_support": "MTS",

"maintained": true,

"versions": [

"15.0.1",

"15.0.1-ea",

"15",

"15-ea"

]

},

. . .
Returns a list of all
major versions
including early access
versions in a JSON
format
/major_versions

/major_versions
๏/latest_sts

๏/latest_mts

๏/latest_lts

๏/latest_ga

๏/latest_ea

๏/MAJOR_VERSION (e.g. 13)

๏/MAJOR_VERSION/ea (e.g. 13/ea)

distributions

/distributions
๏/NAME of distribution (e.g. /zulu)

{

"result": [

{

"name": "Zulu",

"api_parameter": "zulu",

"hash_algorithm": "",

"hash_uri": "",

"signature_type": "",

"signature_algorithm": "",

"signature_uri": "",

"versions": [

"17-ea",

"16-ea",

"15.0.1",

"15",

"15-ea",

"14.0.2",

"14.0.1",

"14",

"14-ea",

"13.0.5.1",

"13.0.5",

"13.0.4",

"13.0.3",

"13.0.2",

"13.0.1",

"13",

"12.0.2",

"12.0.1",

"12",

"11.0.9.1",

"11.0.9",

"11.0.8",

"11.0.7",

"11.0.6",

...
Returns info about a
speci
fi
c distribution
including all it’s general
availability and early
access updates in
JSON format
/distributions/zulu

packages

/packages?
๏version

๏from_version

๏to_version

๏version_by_de
fi
nition

๏distro

๏architecture

๏archive_type

๏package_type
๏operating_system

๏libc_type

๏release_status

๏term_of_support

๏bitness

๏javafx_bundled

๏directly_downloadable*

๏latest

directly_downloadable*
๏Oracle JDK

๏RedHat JDK
directly_downloadable => false
We only return the link to their download page !!!

{

"result": [

{

"id": "43afdc6785055999f3104208d4b9d703",

"archive_type": "tar.gz",

"distribution": "zulu",


"java_version": "16.0.1",

"distribution_version": "16.30.15",

"latest_build_available": true,

"release_status": "ga",

"term_of_support": "sts",

"operating_system": "linux",

"lib_c_type": "musl",

"architecture": "x64",

"package_type": "jdk",

"javafx_bundled": false,

"directly_downloadable": true,

"filename": "zulu16.30.15-ca-jdk16.0.1-linux_musl_x64.tar.gz",

"ephemeral_id": "c4ffb7a327eebd365750ab7ad6b585bdaf224e9a",

"links": {

"pkg_info_uri": "https://api.foojay.io/disco/v2.0/ephemeral_ids/
c4ffb7a327eebd365750ab7ad6b585bdaf224e9a"

},

"free_use_in_production": true,

"feature": []

},

{

...

}

],

"message": "10 package(s) found"

}
Returns a list of all
packages in JSON
format
/packages

Source
https://github.com/foojay2020/discoapi

I need the latest JDK,

what is avaiable ?

Latest JDK available
[

{

"id": "f5f69da2537cfbf7e6f26e484410b8d1",





"distribution_version": "15.28.51.0",



"term_of_support": "mts",


"lib_c_type": "musl",





"filename": "zulu15.28.51-ca-jdk15.0.1-linux_musl_x64.tar.gz",

"ephemeral_id": "339f5f69da2537cfbf7e6f26e484410b8d11610452685"

},

{

"id": "aa4851ec455afb6efce8e4bd0a18ee63",

"archive_type": "zip",



. . .
Returns a list of all packages
found that contain a JDK and
have the latest available
version (here 15.0.1)
https://api.foojay.io/disco/v2.0/packages?package_type=jdk&latest=available

What versions are
available in
distribution XYZ ?

Versions available in distribution
{

"name": "Zulu",

"api_parameter": "zulu",

"versions": [

"17-ea",

"16-ea",

"15.0.1",

"15",

"15-ea",

"14.0.2",

"14.0.1",

"14",

"14-ea",

"13.0.5.1",

"13.0.5",

"13.0.4",

"13.0.3",

"13.0.2",

"13.0.1",

"13",

"12.0.2",

"12.0.1",

"12",

"11.0.9.1",

"11.0.9",

. . .
Returns a list of versions in
the Zulu distribution
including all it’s general
availability and early access
updates in JSON format
https://api.foojay.io/disco/v2.0/distributions/zulu

Who has

version

11.0.9.1 ?

Who has version 11.0.9.1
[

{

"id": "91b37ae0ab88863ba65845b2e1ba5a5d",

"archive_type": "rpm",



"java_version": "11.0.9.1",




"term_of_support": "lts",


"lib_c_type": "glibc",


"package_type": "jre",



"filename": "zulu11.43.55-ca-jre11.0.9.1-linux.i686.rpm",

"ephemeral_id": "34091b37ae0ab88863ba65845b2e1ba5a5d1610452754"

},

{

"id": "f365a9db0f0a6954b0d4b53e5c42f797",

"archive_type": "zip",



. . .
that have the version number
11.0.9.1 from all distributions
https://api.foojay.io/disco/v2.0/packages?version=11.0.9.1

The latest LTS JDK
for Mac OS

incl. JavaFX ?

Latest LTS JDK for Mac incl. FX
[

{

"id": "75f55e22ca634f0a39bc88fcff49b9c1",




"java_version": "11.0.9.1",





"operating_system": "macos",

"lib_c_type": "libc",



"javafx_bundled": true,


"filename": "zulu11.43.55-ca-fx-jdk11.0.9.1-macosx_x64.tar.gz",

"ephemeral_id": "41175f55e22ca634f0a39bc88fcff49b9c11610454032"

},

{

"id": "3edab9b6f6661cc5a64ea19e439959e6",

"archive_type": "dmg",



. . .
that have the latest available
long term stable version (here
11.0.9.1) for Mac OS incl.
JavaFX from all distributions
https://api.foojay.io/disco/v2.0/packages?
version_by_de
fi
nition=latest_lts&package_type=jdk&operating_system=macos&javafx_bundled=true&latest=per_version

Is there an update
available for 11.0.8 ?

Update available for 11.0.8
{


"term_of_support": "LTS",

"maintained": true,

"versions": [

"11.0.9.1",

"11.0.9",

"11.0.8",

"11.0.7",

"11.0.6",

"11.0.5",

"11.0.4",

"11.0.3",

"11.0.2",

"11.0.1",

"11"

]

}
Returns a list of all general
availability updates of the
major version 11.
https://api.foojay.io/disco/v2.0/major_versions/11

JDK 1.8.0_275 for
Windows as msi

JDK 1.8.0_275 for Windows as msi
[

{

"id": "23310311f36f9092d8db58880dc55ec0",

"archive_type": "msi",


"major_version": 8,






"operating_system": "windows",

"lib_c_type": "c_std_lib",





"filename": "zulu8.50.0.51-ca-jdk8.0.275-win_i686.msi",

"ephemeral_id": "32923310311f36f9092d8db58880dc55ec01610454148"

},

{

"id": "949a657c47c2b71d58aebc0b022d4688",

"archive_type": "msi",


"major_version": 8,

. . .
with the version 8.0.275 for
Windows with an archive type
of msi from all distributions
https://api.foojay.io/disco/v2.0/packages?
package_type=jdk&version=1.8.0_275&operating_system=windows&archive_type=msi

The plugin let you discover and download a
JDK to your local machine.

To install it, search for „DiscoIdea“ on the
Intellij Marketplace.
A plugin to discover/download a JDK
Intellij Plugin

The plugin let you discover and download a
JDK to your local machine.

To install it, search for „DiscoEclipse“ on the
Eclipse Marketplace.
Eclipse Plugin

The plugin let you discover and
download a JDK to your local machine.

To install it, search for „DiscoVSC“ on
the Visual Studio Code Marketplace.
Visual Studio Code Plugin

The extension let you discover and

To install it, search for „DiscoChrome“
on the chrome web store.
An extension to discover/download a JDK
Chrome Extension


To install it, search for „DiscoFox“ on
the
fi
refox addons page.
Firefox Add-on


To install it, search for „DiscoEdge“ on
the Edge plugins page.
Edge Extension


To install it, search for „DiscoSafari“ on
the Mac app store.
Safari Extension

The snippet let you discover and download
a JDK to your local machine.

Find an instruction on how to install it for
example on blogger at Harmonic Code
A html snippet to discover/download a JDK
Website Plugin

Scripts
๏disco-distributions.sh

๏disco-major-versions.sh

๏disco-packages.sh
jq needs to be installed!!!

disco-distribution.sh
################################

# #

# foojay jdk discovery api #

# #

# disco-distributions.sh #

# #

################################

Be aware that you need to have jq installed

Script parameters:

--version : Returns a list of distributions that support the given version

--name : Returns a distribution with the given name if available

--help : Shows this info

disco-distributions.sh

disco-distributions.sh --version 13.0.5.1

disco-releases.sh --help
Enables you to call the
distributions endpoint of the
disco api and retrieve results
in json format
bash disco-distributions.sh --help

disco-major-versions.sh
################################

# #


# #

# disco-major-versions.sh #

# #

################################

Be aware that you need to have jq installed

Script parameters:


--major-version : Major Version e.g. 1, 5, 9, 11, 18

disco-major-versions.sh

disco-major-versions.sh --maintained true --ea true --ga true

disco-major-versions.sh --ea true

disco-major-versions.sh --ga true

disco-major-versions.sh --version 11 --ea true

disco-major-versions.sh --version 11 --ga true

disco-major-verions.sh --help
Enables you to call the major
versions endpoint of the disco
api and retrieve results in json
format
bash disco-major-versions.sh --help

disco-packages.sh
################################

# #


# #

# disco-packages.sh #

# #

################################

Be aware that you need to have jq and wget installed

Script parameters:


--version : Version (mandatory or version by definition) e.g. 1.8.0_265 or 11 or 13.0.5.1

--version_by_definition : Version by definition (mandatory if no version) e.g. latest, latest_sts, latest_mts,
latest_lts

--distro : Distribution e.g. aoj, aoj_openj9, dragonwell, corretto, liberica,
oracle_open_jdk, redhat, sap_machine, zulu

--architecture : Architecture e.g. aarch64, arm, arm64, mips, ppc, ppc64, ppc64le,
riscv64, s390x, sparc, sparcv9, x64, x86, amd64

--archive_type : File extension e.g. cab, deb, dmg, exe, msi, pkg, rpm, tar, zip

--package_type : Package type e.g. jre, jdk

--operating_system : Operating System (mandatory) e.g. windows, macos, linux

--libc_type : Type of libc e.g. glibc, libc, musl, c_std_lib

--release_status : Release status e.g. ea, ga

--term_of_support : Term of support e.g. sts, mts, lts

--bitness : Bitness e.g. 32, 64

--javafx_bundled : With JavaFX e.g. true, false

--directly_downloadable : Directly downloadable e.g. true, false

--latest : Latest e.g. overall, per_distro

--dest : Destination e.g. /Users/HanSolo

Usage example:

disco-packages.sh --dest /Users/Hansolo --operating_system windows --version 1.8.0_265 --distro zulu --package_type jdk --
architecture x64 --archive_type zip --release_status ga
Enables you to call the
packages endpoint of the
disco api and retrieve results
in json format
bash disco-packages.sh --help

Source
https://github.com/foojay2020/discoscripts
</>

The tools makes use of the
Disco API to let you discover
JDK’s and download them to
your local machine.
A tool that let you discover JDK’s
JDK Butler

Get it from github
https://github.com/HanSolo/jdkbutler/releases

The tool scans every 3h a
folder that you can de
fi
ne for
installed JDK’s.

It checks for available updates
using the Disco API and
offers the download of the
update.
A tool that monitors all your installed JDK’s
JDK Mon

Get it from github
https://github.com/HanSolo/JDKMon/releases

When using github actions to
build your project you can use
setup-java@v1.

This will use Zulu as JDK to
build and run.
setup-java@v1
github actions
...

steps:

- uses: actions/checkout@v1

- name: Set up JDK 11

uses: actions/setup-java@v1

with:

java-package: jdk

java-version: 11.0.10

- name: Build with gradle

run: ./gradlew build

...

When using github actions to
build your project you can use
setup-java@v2.

No default and you only can
choose between adopt,
adopt-openj9 and zulu.
setup-java@v2
github actions
...

steps:


- name: Set up JDK 11

uses: actions/setup-java@v2

with:

java-package: jdk

java-version: '11.0.10'

distribution: 'zulu'



...

Make use of foojay’s setup-
java@disco to build your code
using the JDK of your choice.
If not de
fi
ned it will default to
Zulu (as it was in setup-java@v1.0).
Use foojay2020/setup-java@disco
github actions
...

steps:


- name: Set up JDK 11 Corretto

uses: foojay2020/setup-java@disco

with:

java-package: jdk

java-version: 11.0.10

distro: corretto



...

We have created a testing
matrix for the Disco API using
github actions. To check what
is available you can simply
take a look at the actions in
the project.
What is available? Check Disco Testing Matrix
github actions

Check it out on github
https://github.com/foojay2020/discoTestingMatrix

Disco API - OpenJDK distributions as a service

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