How do I install tentacles on octopus deploy?
If you are using an older version of Octopus Deploy, or your license limits you to one worker, then you need to install Tentacles on a jump box. The jump box sits between Octopus Deploy and the Database Server VIP.
How does octopus work with the Tentacle?
Octopus presents its certificate as a client certificate so the Tentacle can verify the identity of Octopus. Once the identity of the Octopus and Tentacle have been established the connection is held open and Octopus will start issuing commands to the Tentacle. Octopus plays the role of server and Tentacle as the client:
Why can't I install a tentacle on each node?
Installing a Tentacle on each node will not work as Octopus Deploy will see multiple Tentacles and attempt to deploy to multiple nodes. SQL PaaS, such as AWS RDS and Azure's SQL, are hosted database servers that don't allow anything to be installed on them.
Why do I need a jump box to install tentacles?
If you are using an older version of Octopus Deploy, or your license limits you to one worker, then you need to install Tentacles on a jump box. The jump box sits between Octopus Deploy and the Database Server VIP. The Tentacle is running as a service account with the necessary permissions to make schema changes.
What is tentacle EXE?
Tentacle.exe is the executable that runs the Octopus Tentacle instance. It includes several helpful commands that allow you to manage the instance some of which are built on top of the Octopus Deploy HTTP API.
How do you put an octopus in a tentacle?
In the Octopus Web Portal, navigate to the Infrastructure tab, select Deployment Targets and click ADD DEPLOYMENT TARGET ➜ WINDOWS, and select Listening Tentacle.
How do you install a tentacle?
0:202:38Getting Started - Installing a Listening Tentacle on Windows - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can download the technical installer from octopus.com by navigating to the downloads page underMoreYou can download the technical installer from octopus.com by navigating to the downloads page under the resources menu. Find the tentacle in the list of tools and click on the download.
Do tentacles count as legs?
All cephalopods possess flexible limbs extending from their heads and surrounding their beaks. These appendages, which function as muscular hydrostats, have been variously termed arms, legs or tentacles.
Why do octopus have suction cups?
Its eight long arms are covered in 2,240 suction cups that are used to grip, taste, and smell. Each suction cup has more taste receptors than the human tongue.
What ports does Octopus deploy use?
The Octopus Server hosts an HTTP API and the Octopus Web Portal which you can configure to use standard TCP ports (80/443) or non-standard ports. Your Octopus Server can also be configured to accept inbound requests from Polling Tentacles over a custom TCP port, or using WebSockets.
How do you make an octopus project?
Add a projectSelect Projects from the main navigation, and click ADD PROJECT.Give the project a name.Click SHOW ADVANCED.Add a description for the project.If you want to change the Project group select an existing project group from the drop-down menu.More items...
How do I update my fingerprint on Octopus?
You can either: Delete the Tentacle instance, and then re-install it. Modify C:\Octopus\Tentacle\Tentacle. config and change the value there, then restart the Tentacle service.
How many arms does a squid have?
eight armsLike all squid, the colossal squid has eight arms and two tentacles.
How do tentacles work?
Their tentacles have adhesive structures called colloblasts or lasso cells. The colloblasts burst open when prey comes in contact with the tentacle, releasing sticky threads that secure the food.
How do octopus tentacles work?
When pressed against an object, the flexible outer ring of the sucker takes the shape of the object and forms a watertight seal. Pressure is reduced in the larger inner chamber, creating suction and, as the arm muscles contract, it allows the octopus to grasp and pull objects.
What are octopus legs called?
Many people refer to octopus limbs as tentacles, but technically, octopuses don't have any tentacles at all! Instead, they have arms.
What do you do with an octopus head?
It isn't peculiar to any one culture, but it is universally delicious. It can be boiled, seared, grilled, stir-fried, fried, served with pasta or salad, made into stew or soup, or even barbecued. All you need is a basic knowledge of how to work an octopus and then you can let the chef in you go wild.
How do you draw a tentacle step by step?
0:399:19How to Draw Tentacle - Easy Drawings - YouTubeYouTubeStart of suggested clipEnd of suggested clipThere. Okay so we have the tentacle. So you draw the little suction cups on it. And the way they'reMoreThere. Okay so we have the tentacle. So you draw the little suction cups on it. And the way they're formed. They are essentially little spheres sorry necessary little circles.
Do all octopus have 8 legs?
They might have eight tentacles, but not all of them are arms! Octopuses have six arms and two legs, not eight tentacles as they are sometimes mistakenly called. The eight-limbed mollusks even have a preference when it comes to which arm they use for eating.
How do you eat an octopus tentacle?
You don't have to handle the octopus, no need to remove the head, cut the tentacles, and remove the beak. No need either to tenderize it. All that's left to do is to thaw it and prepare it the way you like. You can eat it as is with olive oil and lemon, or you can grill it, sautee it, or fry it.
What is the default worker pool in octopus?
Out of the box, the Worker in the default Worker pool is your Octopus Server, and we don't recommend running database deployments from your Octopus Server directly for the following reasons:
Why is Octopus Server so slow?
It can slow down other deployments because the Octopus Server will allocate resources for database deployments in addition to everything else. A worker can be assigned to more than one pool.
What happens after you add a Worker Pool?
After you've added a Worker pool, a new option will appear in the deployment process, giving you the option to run once on a Worker, and which Worker pool should be used.
How many nodes are in a high availability cluster?
High-availability groups or clusters have 1 to N nodes, and the nodes are kept in sync by replication. You only need to deploy to the primary node, and replication will apply the changes to all the nodes. Installing a Tentacle on each node will not work as Octopus Deploy will see multiple Tentacles and attempt to deploy to multiple nodes.
What port is octopus open on?
As long as port 10933 is open (for a listening Tentacle) or port 443 (for a polling Tentacle) Octopus will be able to communicate to the jump box. It is possible to install many Tentacles on a single server. Please managing multiple instances for more information.
What is common security practice?
A common security practice is to leverage Active Directory service accounts. But each environment has its own service account. The account that deploys to Development is prevented from deploying to Test. The account that deploys to Production is prevented from deploying to Development. This is accomplished with integrated security and running the Octopus Tentacle as a specific user account. This approach needs a Worker pool per environment:
How to add more than one worker pool?
A worker can be assigned to more than one pool. To create a new worker pool, go to Infrastructure ➜ Worker Pools and then click on the Add Worker Pool button: In the modal dialog , add the name of the worker pool you wish to add:
What to do when an octopus server can't reach a tentacle?
When Octopus Server can't reach a tentacle, choose Polling mode. In this mode the tentacle is going to ask the Server periodically, whether it has something new:
What is an octopus tentacle?
Octopus Tentacle is an agent which is installed on the target machines. Octopus Deploy server knows how to talk to these agents or tentacles and deploy artifacts to them. Installation/configuration is quite straightforward again.
Can you script octopus deploy?
Anything you can do in Octopus Deploy via UI is scriptable and automatable. For instance all the steps described above could be scriptable (btw. installer generates these scripts for you) like this:
When registering tentacles and server to each other, should you keep thumbprints handy?
Keep the thumbprints handy when registering the tentacles and server to each other
Is octopus deploy trivial?
Installing Octopus Deploy is a fairly trivial task. Updating Octopus Deploy is a slightly different story, but I’ll address that in another article.
Is octopus a public key?
Octopus and Tentacle both have a public/private key pair, that they use to establish the HTTPS connection (one is the TLS server and presents a server certificate, the other is a TLS client and presents a client certificate).
Can you use polling mode on a tentacle?
Installation note: While installing the tentacle, they’ll recommend using a listening mode (push) rather than polling mode (pull) system of communication. I’ve never tried polling, nor do I see any need to at this point. If you have no preference, go with listening.
Install Octopus Tasks
Ansible code below. Be sure to have some facts setup or variables in place for things like the ‘octopus_tentacle_version’, or just hard code them.
The Tentacle Agent Install Script
This is what the scheduled task runs. It keeps a transcript so you can see what it did. There is slghtly fancier version here from the github issue page referenced earlier.