Provide an rpm package for CentOS/RHEL/Fedora

[Rikorose]

Ideally the installation process would be

sudo dnf install bazel

or

sudo yum install bazel

Alternatively an standalone rpm package or an external repository for Fedora would be great.

[damienmg]

FTR the package already exist we need to build it as part of our release pipeline now.

[katre]

There's three phases to this:

1) Build an RPM of Bazel - this is done (bazel build //scripts/packages/fedora:bazel) 2) Release the RPM with Bazel releases 3) Get Bazel into Fedora/RH/CentOS's package repository - haven't even started, we'll need to learn more about what they require from packages, but I suspect the current binary (which has a number of tools packed into it) will be a problem.

[rhofour]

Is there anything blocking 2? As a Fedora user that alone would make my life a bit easier.

[damienmg]

No we need to add fedora worker to our CI but nobody got around to do it yet

[sjenning]

I've created a RPM for Fedora and opened a package review

https://bugzilla.redhat.com/show_bug.cgi?id=1470842

[katre]

Thanks! Hopefully we can get a RPM-based worker in our jenkins setup shortly for veirifcation.

[katre]

You may want to copy the install locations for bazel.bazelrc and the bash completion script, from https://github.com/bazelbuild/bazel/blob/5d453d93499e328d4c0ea9b8f0c6ff4bbba08b54/scripts/packages/fedora/bazel.spec

Also, I think releases.bazel.build will have faster downloads than github, but I'm not sure what the URL syntax is. @damienmg ?

[damienmg]

https://releases.bazel.build//release/index.html is the index, e.g.: https://releases.bazel.build/0.5.2/release

On Thu, Jul 13, 2017 at 9:55 PM katre notifications@github.com wrote:

You may want to copy the install locations for bazel.bazelrc and the bash completion script, from https://github.com/bazelbuild/bazel/blob/5d453d93499e328d4c0ea9b8f0c6ff4bbba08b54/scripts/packages/fedora/bazel.spec

Also, I think releases.bazel.build will have faster downloads than github, but I'm not sure what the URL syntax is. @damienmg https://github.com/damienmg ?

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[sjenning]

@katre ah, didn't know about the in-tree spec file. Thanks for the heads-up :+1: I'll update my spec file.

[katre]

@sjenning I added it to make a development package, but yours looks good for a releasable version. Thanks for working on it!

[sjenning]

@katre what is bazel-real?

[katre]

$ file /usr/bin/bazel /usr/bin/bazel-real
/usr/bin/bazel:      Bourne-Again shell script, ASCII text executable
/usr/bin/bazel-real: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2

The distributed bazel file is actually a shell script that checks whether there is a binary at tools/bazel, based on the current WORKSPACE. If that's not found, it executes bazel-real, which is the actual compiled binary.

[sdake]

@sjenning I am a provenpackager in Fedora. Bundled dependencies are not permitted in Fedora/CentOS repositories and the lag time to unbundle the dependencies will be pretty high. In the meantime, I've created a COPR and am shortly submitting a pull request to document using it for Bazel as well as a separate set of instructions for building from source.

I'm in need of this as a result of https://github.com/istio/issues/issues/56

[sjenning]

@sdake that sounds like the only way forward at the moment, sadly. I know @vbatts already has a COPR repo for bazel that includes EPEL https://copr.fedorainfracloud.org/coprs/vbatts/bazel/

[sdake]

@sjenning I did notice after I submitted https://github.com/bazelbuild/bazel/pull/3779 with a COPR build + documentation I did about a week ago, I was duplicating @vbatts work in https://github.com/bazelbuild/bazel/pull/3721, so I've asked @vbatts to include 0.5.3-1 for EPEL which at present is the recommended version of bazel for istio. Version 0.5.3 is currently absent from @vbatt's COPR for EPEL.

I would encourage you to continue work on unbundling the dependencies for Fedora/EPEL so these can go into the main distribution of EPEL. I'll be happy to provide reviews of the unbundled packages if you need. I just noticed the reviewer who took on your initial review was not satisfied with the bundled dependencies.

[vbatts]

@sdake https://copr.fedorainfracloud.org/coprs/vbatts/bazel/build/606023/ if you'll double check it.

[sdake]

@vbatts

[sdake@falkor-04 ~]$ sudo curl -o /etc/yum.repos.d/bazel.repo https://copr.fedorainfracloud.org/coprs/vbatts/bazel/repo/epel-7/vbatts-bazel-epel-7.repo
(correct output)
[sdake@falkor-04 ~]$ sudo yum install bazel-0.5.3
(correct output)
[sdake@falkor-04 istio.io]$ rpm -ql bazel
/usr/bin/bazel
/usr/share/bash-completion/completions/bazel
[sdake@falkor-04 istio.io]$ bazel help startup_options
Extracting Bazel installation...
 [bazel release 0.5.3- (@non-git)]
[sdake@falkor-04 mixer]$ make
INFO: Elapsed time: 166.209s, Critical Path: 59.34s
[sdake@falkor-04 mixer]$ cd ../pilot
[sdake@falkor-04 pilot]$ make
+ go install ./...
[sdake@falkor-04 pilot]$ 

LGTM

@vbatts - may I suggest adding a license file to the COPR rpm? Although not strictly required from a COPR POV, it is helpful to understand what licenses are used in installed packages.

TIA! -steve

[excavador]

I need it!

[vbatts]

It exists!

On Tue, Nov 7, 2017, 14:01 Oleg Tsarev notifications@github.com wrote:

I need it!

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[excavador]

Thank you! Yes, found description https://docs.bazel.build/versions/master/install-redhat.html Why this ticket still open?

[vbatts]

good question. I don't have perms to close it.