Fix hostname is localhost in some VRs

[ustcweizhou]

Description

In some virtual routers, 'hostname -f' returns 'localhost'. The hostname is also 'localhost' in /var/log/messages

This change can fix the issue in new VRs.

To fix the issue in running VRs, please execute following commands

sed -i "/^127.0.0.1/d" /etc/hosts
sed -i "/^127.0.1.1/d" /etc/hosts
echo -e "127.0.0.1\tlocalhost" >> /etc/hosts
echo -e "127.0.1.1\t$(hostname)" >> /etc/hosts
# restart rsyslog
/etc/init.d/rsyslog restart

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)

[yadvr]

@blueorangutan package

[blueorangutan]

@rhtyd a Jenkins job has been kicked to build packages. I'll keep you posted as I make progress.

[shwstppr]

LGTM based on code change

[anuragaw]

LGTM
(The PR is for 4.11 and needs to be forwarded to master for 4.13)

[yadvr]

@anuragaw sometimes authors send PRs to older branches, in which case we forward merge the PR after testing/review.

[blueorangutan]

Packaging result: ✖centos6 ✔centos7 ✔debian. JID-23

[svenvogel]

LGTM!

[yadvr]

@blueorangutan package

[blueorangutan]

@rhtyd a Jenkins job has been kicked to build packages. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result: ✔centos6 ✔centos7 ✔debian. JID-26

[yadvr]

@blueorangutan test

[blueorangutan]

@rhtyd a Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

[blueorangutan]

Trillian test result (tid-22)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 36718 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr3422-t22-kvm-centos7.zip
Intermittent failure detected: /marvin/tests/smoke/test_deploy_virtio_scsi_vm.py
Intermittent failure detected: /marvin/tests/smoke/test_privategw_acl.py
Intermittent failure detected: /marvin/tests/smoke/test_vpc_redundant.py
Smoke tests completed. 67 look OK, 2 have error(s)
Only failed tests results shown below:

Test	Result	Time (s)	Test File
test_03_vpc_privategw_restart_vpc_cleanup	Failure	226.03	test_privategw_acl.py
test_04_rvpc_privategw_static_routes	Failure	988.85	test_privategw_acl.py
test_04_rvpc_network_garbage_collector_nics	Failure	305.29	test_vpc_redundant.py

[yadvr]

Verified tests LGTM, merging now.

[blueorangutan]

Trillian test result (tid-29)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 34124 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr3422-t29-kvm-centos7.zip
Intermittent failure detected: /marvin/tests/smoke/test_privategw_acl.py
Intermittent failure detected: /marvin/tests/smoke/test_vpc_redundant.py
Intermittent failure detected: /marvin/tests/smoke/test_vpc_vpn.py
Smoke tests completed. 69 look OK, 0 have error(s)
Only failed tests results shown below:

Test	Result	Time (s)	Test File