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Build container can't curl registry, but other containers can



I see this on Origin 1.4.1 and 1.5    building the cakephp example

 

(1)     Build container sees i/o timeout when trying to push the image to the docker registry (running on master node which is schedulable). See the output shown in red below

(2)     However when I curl the same registry url from another pod on the same node, I do get a response (even though the response is a 404). See the output shown in blue below

 

Any tips where I should look further ? Doesn’t seem to be a networking or iptables type problem … or is it ?

 

Rgds,
Sanjeev

 

[cloud srampal-os1 ~]$ oc logs -f cakephp-mysql-example-1-build

Cloning "https://github.com/openshift/cakephp-ex.git" ...

                Commit:                6f2ebfbeaaaae3b1771aaa36d5beec5b2898c82d (Merge pull request #61 from bparees/sc_metadata)

                Author:  Ben Parees <bparees users noreply github com>

                Date:     Wed Feb 15 16:28:08 2017 -0500

---> Installing application source...

Found 'composer.json', installing dependencies using composer.phar...

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current

                                 Dload  Upload   Total   Spent    Left  Speed

100  298k  100  298k    0     0   142k      0  0:00:02  0:00:02 --:--:--  142k

All settings correct for using Composer

Downloading...

Composer (version 1.4.2) successfully installed to: /opt/app-root/src/composer.phar

Use it: php composer.phar

Loading composer repositories with package information

Installing dependencies (including require-dev) from lock file

Package operations: 10 installs, 0 updates, 0 removals

  - Installing squizlabs/php_codesniffer (1.5.6): Downloading (100%)

  - Installing cakephp/cakephp-codesniffer (1.0.2): Downloading (100%)

  - Installing phpunit/php-token-stream (1.2.2): Downloading (100%)

  - Installing symfony/yaml (v2.8.16): Downloading (100%)

  - Installing phpunit/php-text-template (1.2.1): Downloading (100%)

  - Installing phpunit/phpunit-mock-objects (1.2.3): Downloading (100%)

  - Installing phpunit/php-timer (1.0.8): Downloading (100%)

  - Installing phpunit/php-file-iterator (1.4.2): Downloading (100%)

  - Installing phpunit/php-code-coverage (1.2.18): Downloading (100%)

  - Installing phpunit/phpunit (3.7.38): Downloading (100%)

phpunit/php-code-coverage suggests installing ext-xdebug (>=2.0.5)

phpunit/phpunit suggests installing phpunit/php-invoker (~1.1)

Generating optimized autoload files

Running post commit hook ...

sh: cannot set terminal process group (-1): Inappropriate ioctl for device

sh: no job control in this shell

Welcome to CakePHP v2.9.3 Console

---------------------------------------------------------------

App : app

Path: /opt/app-root/src/app/

---------------------------------------------------------------

CakePHP Test Shell

---------------------------------------------------------------

PHPUnit 3.7.38 by Sebastian Bergmann.

.

Time: 321 ms, Memory: 8.00MB

OK (1 test, 1 assertion)

Pushing image 172.30.31.100:5000/cakephp/cakephp-mysql-example:latest ...

Registry server Address:

Registry server User Name: serviceaccount

Registry server Email: serviceaccount example org

Registry server Password: <<non-empty>>

error: build error: Failed to push image: Get https://172.30.31.100:5000/v1/_ping: dial tcp 172.30.31.100:5000: i/o timeout

[cloud srampal-os1 ~]$ curl -k https://172.30.31.100:5000/v1/_ping

curl: (7) Failed connect to 172.30.31.100:5000; Connection timed out

=====================================================================================================

[root srampal-os2 ~]# nsenter -t 31330 -n curl https://172.30.31.100:5000/v1

404 page not found

[root srampal-os2 ~]# nsenter -t 31330 -n curl https://172.30.31.100:5000/v1/_ping

404 page not found

[root srampal-os2 ~]# nsenter -t 31330 -n curl https://172.30.31.100:5000/v2

<a href="" Permanently</a>.

 

 


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