Hi Stain, Hi Alan,
Can you please review the code with my latest commit @
https://github.com/NadeeshDilanga/incubator-taverna-common-activities/commits/docker
where I came up with a Configuration Manager and also implemented
"Configurable".

I would like to add a unit test case for this by creating a
DockerContainerConfigurationImpl and inject a ConfigurationManager. Can you
please point me to such example. I tried, but could not find anything yet.
i.e I was not able to find a usage of "DatabaseConfigurationImpl" in
taverna-engine/taverna-osgi/taverna-common-activities repos.

Because I am planning to have a proper test case before the mid term
evaluation deadline. Also appreciate if you can provide your
feedback/expectations on this project's mid point and if it has any
required TODOs I can complete them ASAP before the mid term evaluation
deadline.


On Mon, Jun 20, 2016 at 1:47 AM, Nadeesh Dilanga <[email protected]>
wrote:

> Hi all, one more thing to add.
> Create container is the most heavy API call(payload/parameter size). But
> how about things like start/stop/search/info/delete/ like methods. Should
> be think on accepting them as as activity plugin configs ?
>
>
>
>
>
>
> On Sat, Jun 18, 2016 at 3:12 AM, Nadeesh Dilanga <[email protected]>
> wrote:
>
>> Hi Alan, Hi Stian,
>> Please refer my latest commit @
>>
>> https://github.com/NadeeshDilanga/incubator-taverna-common-activities/commits/docker/taverna-docker-activity
>>
>> where I have implemented reading a injected configuration. Can you please
>> review this and let me know what I am missing here. But one thing I would
>> like to know is, who is responsible of creating(populating) the
>> DockerContainerConfiguration ? We have to allow user to give a docker.conf
>> and from which some one construct the DockerContainerConfiguration and
>> inject it to the activity plugin.
>>
>> Then I went through the taverna-engine repo code base looking for the
>> clue Stian gave, where I have to implement Configurable interface, and use
>> ConfigurationManager. And Configuration manager interface had
>> store/populate methods to override, but I found it bit unclear to figure
>> out how exactly I can use that to my use case/how it works/relation ship
>> between Configurable interface and ConfigurationManager. Do we have any
>> documentation on that ?
>>
>> For SSL issue, I am calling the container as
>> https://192.168.99.100:2376/containers/create  where 192.168.99.100 is
>> my container host. I assume that is the target you meant ?
>>
>>
>>
>> On Fri, Jun 17, 2016 at 10:12 AM, Stian Soiland-Reyes <[email protected]>
>> wrote:
>>
>>> Probably it is that the local Docker daemon has a self-signed
>>> certificate that Java does not recognize.
>>>
>>>
>>> Taverna has the credential manager - which should normally pop up and
>>> ask if you want to accept (and store) the certificate.
>>>
>>> I'm not sure why that is not happening here.. perhaps because your
>>> RESTUtil uses the Apache HTTPClient rather than the built-in URL
>>> handling, then there is no link to the Credential Manager?
>>>
>>>
>>> Could you try if it works to do a "dummy connection" first with
>>> something like new URL("https://localhost:1239/";).openConnection()
>>> (whatever the port is)  -- this should trigger the certificate
>>> handling in Java.
>>>
>>>
>>> I must admit I could not find out how this is done in the REST activity..
>>>
>>> https://github.com/apache/incubator-taverna-common-activities/blob/master/taverna-rest-activity/src/main/java/org/apache/taverna/activities/rest/RESTActivityCredentialsProvider.java
>>>
>>> is used for username/password (e.g. http basic auth) through Credential
>>> Manager.
>>>
>>>
>>> Does the REST activity today support https:// connections against
>>> 'unknown' SSL certificates? (e.g. triggering the pop-ups in Workbench)
>>>
>>>
>>> This file CLAIMS to do it, but doesn't seem to:
>>>
>>>
>>> https://github.com/apache/incubator-taverna-common-activities/blob/master/taverna-rest-activity/src/main/java/org/apache/taverna/activities/rest/HTTPRequestHandler.java#L116
>>>
>>> // Register a protocol scheme for https that uses Taverna's
>>> // SSLSocketFactory
>>>
>>> but it uses the regular org.apache.http.conn.ssl.SSLSocketFactory
>>>
>>> .. I would have thought it should use
>>> CredentialManager.getTavernaSSLSocketFactory() from
>>>
>>>
>>> https://github.com/apache/incubator-taverna-engine/blob/master/taverna-credential-manager-impl/src/main/java/org/apache/taverna/security/credentialmanager/impl/CredentialManagerImpl.java#L2004
>>>
>>>
>>> Perhaps something similar to that HTTPRequestHandler code to
>>> initialise org.apache.http would work?
>>>
>>>
>>> On 17 June 2016 at 06:32, Nadeesh Dilanga <[email protected]> wrote:
>>> > Still got stuck further on the SSL issue[1]. May be something to do
>>> with my
>>> > setup. So I also implemented invoking simple HTTP(without SSL) in
>>> > additional to HTTP SSL.
>>> >
>>> > Meanwhile I already started getting configuration thru that spring
>>> > inject-able framework. Will commit those changes also(without just
>>> blocking
>>> > on Http  SSL issue) to my private repo from which I am planning to send
>>> > pull request.
>>> >
>>> > [1]:
>>> >
>>> > avax.net.ssl.SSLHandshakeException:
>>> > sun.security.validator.ValidatorException: PKIX path building failed:
>>> > sun.security.provider.certpath.SunCertPathBuilderException: unable to
>>> find
>>> > valid certification path to requested target
>>> >     at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
>>> >     at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1902)
>>> >     at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:276)
>>> >     at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:270)
>>> >     at
>>> >
>>> sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1338)
>>> >     at
>>> >
>>> sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:154)
>>> >     at sun.security.ssl.Handshaker.processLoop(Handshaker.java:868)
>>> >     at sun.security.ssl.Handshaker.process_record(Handshaker.java:804)
>>> >     at
>>> sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1032)
>>> >     at
>>> >
>>> sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1328)
>>> >     at
>>> > sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1355)
>>> >     at
>>> > sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1339)
>>> >     at
>>> >
>>> org.apache.http.conn.ssl.SSLSocketFactory.connectSocket(SSLSocketFactory.java:543)
>>> >     at
>>> >
>>> org.apache.http.conn.ssl.SSLSocketFactory.connectSocket(SSLSocketFactory.java:409)
>>> >     at
>>> >
>>> org.apache.http.conn.ssl.SSLSocketFactory.connectSocket(SSLSocketFactory.java:479)
>>> >     at
>>> >
>>> org.apache.http.conn.scheme.SchemeSocketFactoryAdaptor.connectSocket(SchemeSocketFactoryAdaptor.java:66)
>>> >     at
>>> >
>>> org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:177)
>>> >     at
>>> >
>>> org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:144)
>>> >     at
>>> >
>>> org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:131)
>>> >     at
>>> >
>>> org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:611)
>>> >     at
>>> >
>>> org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:446)
>>> >     at
>>> >
>>> org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:882)
>>> >     at
>>> >
>>> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
>>> >     at
>>> >
>>> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107)
>>> >     at
>>> >
>>> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
>>> >     at
>>> > org.apache.taverna.activities.docker.RESTUtil.doPost(RESTUtil.java:125)
>>> >     at
>>> >
>>> org.apache.taverna.activities.docker.RESTUtil.createContainer(RESTUtil.java:90)
>>> >     at
>>> >
>>> org.apache.taverna.activities.docker.test.TestCreateContainer.testCreateContainer(TestCreateContainer.java:40)
>>> >     at
>>> >
>>> org.apache.taverna.activities.docker.test.TestCreateContainer.main(TestCreateContainer.java:32)
>>> >     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> >     at
>>> >
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>>> >     at
>>> >
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>> >     at java.lang.reflect.Method.invoke(Method.java:601)
>>> >     at
>>> com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
>>> > Caused by: sun.security.validator.ValidatorException: PKIX path
>>> building
>>> > failed: sun.security.provider.certpath.SunCertPathBuilderException:
>>> unable
>>> > to find valid certification path to requested target
>>> >     at
>>> sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:385)
>>> >     at
>>> >
>>> sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
>>> >     at sun.security.validator.Validator.validate(Validator.java:260)
>>> >     at
>>> >
>>> sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:326)
>>> >     at
>>> >
>>> sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:231)
>>> >     at
>>> >
>>> sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:126)
>>> >     at
>>> >
>>> sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1320)
>>> >     ... 29 more
>>> > Caused by: sun.security.provider.certpath.SunCertPathBuilderException:
>>> > unable to find valid certification path to requested target
>>> >     at
>>> >
>>> sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:196)
>>> >     at
>>> java.security.cert.CertPathBuilder.build(CertPathBuilder.java:268)
>>> >     at
>>> sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:380)
>>> >     ... 35 more
>>> >
>>> >
>>> > On Wed, Jun 15, 2016 at 6:17 PM, Nadeesh Dilanga <[email protected]
>>> >
>>> > wrote:
>>> >
>>> >> It is the container host and I am invoking the remote API. Will do
>>> more
>>> >> troubleshooting and get back.
>>> >>
>>> >> On Wed, Jun 15, 2016 at 7:05 AM, Alan Williams <
>>> [email protected]>
>>> >> wrote:
>>> >>
>>> >>> On 15-Jun-16 09:02, Nadeesh Dilanga wrote:
>>> >>>
>>> >>>> Hi Alan,
>>> >>>> Thank you very much for the pointer. I went through and understood
>>> how
>>> >>>> works.
>>> >>>> 1. Implement docker factory class to return an activity
>>> configuration.
>>> >>>> 2. Accept the configuration in the DockerActivity constructor.
>>> >>>>
>>> >>>> Please correct me if I missed something.
>>> >>>>
>>> >>>
>>> >>> I need a picture of what is being proposed :)
>>> >>>
>>> >>> Also I am working on the implementation and commiting my code to my
>>> forked
>>> >>>> repo at [1]. I will send pull requests once following TODOs
>>> finishes.
>>> >>>>  1. Test HTTPS invocation(right now I am having a SSL handshake
>>> issue and
>>> >>>> working on it)
>>> >>>>
>>> >>>> I am using SSLContext.getDefault() and gives me
>>> >>>> javax.net.ssl.SSLHandshakeException:
>>> >>>> sun.security.validator.ValidatorException: PKIX path building
>>> failed:
>>> >>>> sun.security.provider.certpath.SunCertPathBuilderException: unable
>>> to
>>> >>>> find
>>> >>>> valid certification path to requested target
>>> >>>>
>>> >>>> I have a unit test to test this. I also tried setting system
>>> properties
>>> >>>> javax.net.ssl.keyStore, javax.net.ssl.trustStore,
>>> >>>> javax.net.ssl.keyStorePassword. But no luck.
>>> >>>>
>>> >>>
>>> >>> What is the target of the HTTPS ? Does it have a valid certificate?
>>> >>>
>>> >>>  2. Enhance the activity class to read configuration injected by
>>> Spring.
>>> >>>>
>>> >>>>
>>> >>>> [1] -
>>> >>>>
>>> >>>>
>>> https://github.com/NadeeshDilanga/incubator-taverna-common-activities/commits/docker
>>> >>>>
>>> >>>
>>> >>> Great.
>>> >>>
>>> >>> Alan
>>> >>>
>>> >>>
>>> >>>
>>> >>
>>>
>>>
>>>
>>> --
>>> Stian Soiland-Reyes
>>> Apache Taverna (incubating), Apache Commons
>>> http://orcid.org/0000-0001-9842-9718
>>>
>>
>>
>

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