openstack4j | A Fluent OpenStack SDK / Client Library for Java | Infrastructure Automation library
kandi X-RAY | openstack4j Summary
kandi X-RAY | openstack4j Summary
A Fluent OpenStack SDK / Client Library for Java
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Top functions reviewed by kandi - BETA
- Build client from config
- Adds the HTTP proxy
- Returns a list of events
- Returns true if they are equal
- Compares this object with the specified proxy host and password
- Creates a hash code for this instance
- Creates a 32 - bit hash code for this host
- Deserialize a JSON token from a JsonParser
- Parses a number from a number
- Returns a list of events for the specified event criteria
- Resolves an URL to a URL
- Resolves the URL to the endpoint
- Add a query param
- Updates a router
- Bind classes
- Returns a JSON representation of this object
- Gets the aggregated catalog
- Resolves a URL to the cache
- Returns a list of samples
- Retrieves the samples of the given meter criteria
- Returns the service version
- Builds an image from the response
- Processes the template content
- Returns a string representation of this instance
- Download image from image
- Changes the password of a user
openstack4j Key Features
openstack4j Examples and Code Snippets
Community Discussions
Trending Discussions on openstack4j
QUESTION
I have a OpenStack running on a Google Cloud Plataform VM. Even tough I create a openstack4j os with external IP, when I call any method I got connect timed out
, because openstack4j is using internal IP. Can I set manually my host when calling methods like os.compute().flavors().list()
?
ANSWER
Answered 2019-Apr-20 at 05:27As @larsks suggested, I had to tell openstak4j that was needed to use external IP. To solve it, I added a instruction with my public IP: .withConfig(Config.newConfig().withEndpointNATResolution("x.x.x.x"))
.
New auth code:
QUESTION
build.gradle
...ANSWER
Answered 2018-Nov-14 at 09:29Your configuration is almost right, but you are customising the wrong task. A Spring Boot fat jar is built with the bootJar
task rather than the jar
task.
You need to replace jar
with bootJar
in your build.gradle
. This will result in it looking the same as the following example:
QUESTION
I am referring to OpenStack SDK for NodeJS (pkgcloud) and Java (apache jclouds, openstack4j, OpenStack Java SDK). Is there any benefit of using NodeJS (and pkgcloud behind it) for developing application compared to using Java SDK.
If NodeJS is your answer, is it because NodeJS SDK (pkgcloud) provides asynchronous calls and Java APIs (e.g. jclouds etc) don't provide asynchronous calls.
Or my assumption is wrong that two different language SDKs provide different types of calls (synchronous versus asynchronous). I personally don't believe that something which is provided by one language SDK is not provided by another language SDK but I didn't find in documentation about Java SDK if they support asynchronous calls to open stack.
Is there any comparison and benchmark posted some where between NodeJS SDK and Java SDK for OpenStack?
...ANSWER
Answered 2018-Jan-19 at 19:19jclouds does not provide asynchronous support; instead users can submit many Callable
objects to an ExecutorService
and wait for their completion. In practice, providers rate-limit requests so supporting thousands of asynchronous concurrent requests should not pose a real issue. Instead they provide bulk APIs such as OpenStack Swift multi-delete.
QUESTION
I'm having a hard time authenticating to the Object Storage Service in IBM Cloud from an external Java application using the OpenStack4j library (version 3.1.0). Here's how I'm trying:
...ANSWER
Answered 2017-Nov-24 at 04:09The reason for the confusion is that there are (or used to be) two different Object Storage services on Bluemix (Object Storage and Cloud Object Storage). The bluemix-mobile-services SDK is written for the Object Storage one rather than the service you have provisioned.
The App Service page has a starter kit which makes it pretty easy to get starter code and set up with a toolchain for a Liberty project:
This has the domain field for the credentials. (Here is a link to the starter kits & I added the Object Storage service which injects the credentials: https://console.bluemix.net/developer/appservice/starter-kits. Or you can create a project with just the service and no code: https://console.bluemix.net/developer/appservice/create-project?services=Object-Storage)
Here is the documentation for the Java SDK for Cloud Object Storage if you would like to use that service instead:
https://console.bluemix.net/docs/services/cloud-object-storage/libraries/java.html#java
Here is a comparison of the Object Storage services:
https://console.bluemix.net/catalog/infrastructure/object-storage-group
QUESTION
I am using openstack4j java api. I am able to access 2 openstack projects (image for projects that I can access), given instance id I want to shut down the instance. While getting OSClient, I loop over clients for both projects and check in which project that instance belongs.
Then with OSClient handle I just call Shut down.os.compute().servers().action(instanceId, Action.STOP);
Now one thread keeps running to track current instance status and if current instance status reaches desired state then I perform some operation.
My Problem :
I am creating (ModelEntity) token
from OSClient handle.
ANSWER
Answered 2017-Feb-09 at 05:50Got the answer !!
My intention was to get OSClient handle for all the tenants or projects. I made a list of OSClient handle. I authenticated first tenant to get the client and then I add it to the clients list then I authenticated 2nd tenant and then again I added it to the list. Now, since I authenticated 2nd tenant, session for 1st tenant is inactive and first client in list also points to instances of second client.
I am soo dumb ;)
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install openstack4j
You can use openstack4j like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the openstack4j component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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