[jira] [Updated] (TC-151) Delivery Service XML IDs should be limited to lower-case letters
[ https://issues.apache.org/jira/browse/TC-151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Oren Shemesh updated TC-151: Attachment: screenshot-1.png > Delivery Service XML IDs should be limited to lower-case letters > > > Key: TC-151 > URL: https://issues.apache.org/jira/browse/TC-151 > Project: Traffic Control > Issue Type: New Feature > Components: Traffic Ops >Affects Versions: 1.7.0 >Reporter: Oren Shemesh >Priority: Minor > Labels: delivery_service, xml-id > Attachments: screenshot-1.png > > > The DNS system is case-insensitive. Since a delivery service XML ID is used > as part of the FQDN of the cache being redirected to, two different DSs > cannot differ only by case. > This leads to the conclusion that it is best if we limit the XML IDs of > delivery services to be lower-case only. > This would achieve the following: > 1. Make domain names used by TC 'conventional' (i.e. lower-case only) > 2. Remove the possibility of a case-conflict between DSs > 3. Currently, Traffic Router does not behave correctly when a DS XML ID > contains upper case letters. Limiting to lower-case would prevent the need to > fix this :-) > Current problems with TR behaviour, when an XML ID contains opper-case letter > are: > 1. The TR sends a redirect to a host FQDN which contains a lower-case version > of the DS XML ID > 2. The TR does not resolve the lower-case version of the host FQDN. > Here is an example to demo current bug in TR. DS XML ID is opencachehub-DT, > TR redirects to opencachehub-dt, and then refused to resolve the cache name > using this DS (a lot of irrelevant data was removed fro this text): > $ curl -L -s -D - > http://tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com/video01.mp4 -v > * Connected to tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com > (54.244.152.242) port 80 (#0) > > GET /video01.mp4 HTTP/1.1 > > Host: tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com > > Accept: */* > > > < HTTP/1.1 302 Moved Temporarily > < Location: > http://p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com/video01.mp4 > < Content-Length: 0 > < > * Connection #0 to host tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com left > intact > * Issue another request to this URL: > 'http://p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com/video01.mp4' > * getaddrinfo(3) failed for > p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com:80 > * Couldn't resolve host > 'p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com' -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Updated] (TC-151) Delivery Service XML IDs should be limited to lower-case letters
[ https://issues.apache.org/jira/browse/TC-151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Hank Beatty updated TC-151: --- Issue Type: New Feature (was: Bug) > Delivery Service XML IDs should be limited to lower-case letters > > > Key: TC-151 > URL: https://issues.apache.org/jira/browse/TC-151 > Project: Traffic Control > Issue Type: New Feature > Components: Traffic Ops >Affects Versions: 1.7.0 >Reporter: Oren Shemesh >Priority: Minor > Labels: delivery_service, xml-id > > The DNS system is case-insensitive. Since a delivery service XML ID is used > as part of the FQDN of the cache being redirected to, two different DSs > cannot differ only by case. > This leads to the conclusion that it is best if we limit the XML IDs of > delivery services to be lower-case only. > This would achieve the following: > 1. Make domain names used by TC 'conventional' (i.e. lower-case only) > 2. Remove the possibility of a case-conflict between DSs > 3. Currently, Traffic Router does not behave correctly when a DS XML ID > contains upper case letters. Limiting to lower-case would prevent the need to > fix this :-) > Current problems with TR behaviour, when an XML ID contains opper-case letter > are: > 1. The TR sends a redirect to a host FQDN which contains a lower-case version > of the DS XML ID > 2. The TR does not resolve the lower-case version of the host FQDN. > Here is an example to demo current bug in TR. DS XML ID is opencachehub-DT, > TR redirects to opencachehub-dt, and then refused to resolve the cache name > using this DS (a lot of irrelevant data was removed fro this text): > $ curl -L -s -D - > http://tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com/video01.mp4 -v > * Connected to tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com > (54.244.152.242) port 80 (#0) > > GET /video01.mp4 HTTP/1.1 > > Host: tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com > > Accept: */* > > > < HTTP/1.1 302 Moved Temporarily > < Location: > http://p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com/video01.mp4 > < Content-Length: 0 > < > * Connection #0 to host tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com left > intact > * Issue another request to this URL: > 'http://p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com/video01.mp4' > * getaddrinfo(3) failed for > p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com:80 > * Couldn't resolve host > 'p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com' -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Updated] (TC-151) Delivery Service XML IDs should be limited to lower-case letters
[ https://issues.apache.org/jira/browse/TC-151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ryan Durfey updated TC-151: --- Labels: delivery_service xml-id (was: ) > Delivery Service XML IDs should be limited to lower-case letters > > > Key: TC-151 > URL: https://issues.apache.org/jira/browse/TC-151 > Project: Traffic Control > Issue Type: Bug > Components: Traffic Ops >Affects Versions: 1.7.0 >Reporter: Oren Shemesh >Priority: Minor > Labels: delivery_service, xml-id > > The DNS system is case-insensitive. Since a delivery service XML ID is used > as part of the FQDN of the cache being redirected to, two different DSs > cannot differ only by case. > This leads to the conclusion that it is best if we limit the XML IDs of > delivery services to be lower-case only. > This would achieve the following: > 1. Make domain names used by TC 'conventional' (i.e. lower-case only) > 2. Remove the possibility of a case-conflict between DSs > 3. Currently, Traffic Router does not behave correctly when a DS XML ID > contains upper case letters. Limiting to lower-case would prevent the need to > fix this :-) > Current problems with TR behaviour, when an XML ID contains opper-case letter > are: > 1. The TR sends a redirect to a host FQDN which contains a lower-case version > of the DS XML ID > 2. The TR does not resolve the lower-case version of the host FQDN. > Here is an example to demo current bug in TR. DS XML ID is opencachehub-DT, > TR redirects to opencachehub-dt, and then refused to resolve the cache name > using this DS (a lot of irrelevant data was removed fro this text): > $ curl -L -s -D - > http://tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com/video01.mp4 -v > * Connected to tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com > (54.244.152.242) port 80 (#0) > > GET /video01.mp4 HTTP/1.1 > > Host: tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com > > Accept: */* > > > < HTTP/1.1 302 Moved Temporarily > < Location: > http://p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com/video01.mp4 > < Content-Length: 0 > < > * Connection #0 to host tr.opencachehub-DT.stage-cdn.tc-stage.cqloud.com left > intact > * Issue another request to this URL: > 'http://p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com/video01.mp4' > * getaddrinfo(3) failed for > p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com:80 > * Couldn't resolve host > 'p39-edge-lab.opencachehub-dt.stage-cdn.tc-stage.cqloud.com' -- This message was sent by Atlassian JIRA (v6.4.14#64029)
