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https://issues.apache.org/jira/browse/CLOUDSTACK-8303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15353221#comment-15353221
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ASF subversion and git services commented on CLOUDSTACK-8303:
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Commit e4ba640a2870f0ed7cd092a1760b2d78e63c6258 in cloudstack's branch
refs/heads/master from [~williamstev...@gmail.com]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=e4ba640 ]
Merge pull request #1547 from PCextreme/vrouter-fixes
Fixes for VirtualRouters in Basic Networking, especially with mutliple ranges
in VLANsDuring the last few modifications on the SystemVM scripts, it turns out
quite a lot of stuff broke in our setups.
This PR fixes a number of things:
* Multiple IP's per VLAN interface are now supported & working again, including
DNS, DHCP ranges, password and metadata services
* `useextdns` fixed (I had a small merge conflict with an attempt to fix this
at 4.7, but these fixes are more comprehensive)
* CLOUDSTACK-8303
* Apache configs better in line with best-practices and distro-expected
locations
* Added a few more helper functions & getters & setters for utility
* some minor cleanup & fixes
* pr/1547:
Remove /etc/apache2/sites-enabled/000-default in cloud-early-config
SysVM various fixes to previous refactorings * make CORS include a regular
glob-matched one * fix NameVirtualHost in CsApp.py as well * even moar cleanups
SysVM: Cleanup and removal of old (and dangerous) config files * ports.conf *
default & default-ssl sites * SSL config in httpd.conf * deprecated & dead
setup_redundant_router in cloud-early-config
SysVM cloud-early-config: Intermediate fix for SecStore & CORS * Take setup
from vhost.template rather than default(-ssl) * should move into Python CS
code as well * Move CORS setup to separate conf * Modify vhost template to
Optionally include the cors file * Add NameVirtualHost to vhost template for
feature parity with ports.conf * Take setup from vhost.template rather than
default(-ssl)
VR cloud-early-config: Commonize Apache2 common setup
VR cloud-early-config: Fix Apache2 alias cleanup
VR: consistent SSL setup, vhost is not an example, but a template
VR CsConfig: reintroduce old get_dns() behaviour for redundant non-VPC's
VR CsAddress fixes: * cleanup imports, * fix to_str(), * improve & fix
service post_config logic * don't arpPing when there's no gateway
VR CsApp: Expose config to classes, move vhost confs to proper location,
allow for multiple IP's per intf, sanitize servername, don't open port 53 if no
DNS is foreseen
VR CsConfig: Add is_router(), is_dns(), has_dns(), has_metadata(),
use_extdns(), fix get_dns() with use_extdns()
VR CsDhcp: allow multiple ranges & finite lease time (fixes CLOUDSTACK-8303)
VR CsGuestNetwork obey useextdns
VR merge.py ipalias fix & dhcpconfig stub notification
Signed-off-by: Will Stevens <williamstev...@gmail.com>
> infinite lease times for a Dynamic Host Configuration Protocol should be
> avoided (like the plague)
> --------------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-8303
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8303
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Virtual Router
> Reporter: Ronald van Zantvoort
>
> The edithosts script in the SystemVM's currently doles out DHCP leases with
> infinite validity.
> Considering the D in DHCP is for 'Dynamic', and considering it might be
> useful to change the information in the lease every once in a while (such as
> resolvers, gateways & searches etc.), it's very bad practice to do this.
> Currently, aside from one very exotic RFC, it's impossible to inform VM's of
> changing network conditions because they simply won't fetch new leases.
> Please consider changing it to at max 1 week or something, or better: a
> configurable.
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