Akash Node Deployment Via Omnibus

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Akash Guidebook

Intro to Akash

Akash Node Deployment Via Omnibus

In this guide we will cover the deployment of an Akash Node using Cosmos Omnibus. Omnibus will deploy the node onto Akash’s distributed network. Omnibus will greatly simplify the deployment process.
For fine tuning of the Akash Node check the Additional Information section.
Akashlytics Deployment of a Node
Akashlytics Deploy Overview
If you have not used Akashlytics Deploy previously, please use this guide to get started. The guide includes steps to install the app and to set up a wallet for Akash deployments. Once the Akashlytics Deploy tool is installed, return to this guide to walk through the Akash Node deployment.
Akashlytics Deploy Walkthrough
Our Akash Node install begins by creating a new deployment
A number of checks are completed to make sure we are ready to deploy a new app onto Akash
Revisit the Akashlytics Deploy guide for tips if any checks fail
To install the Akash Node we will use a custom SDL file
Select the “Empty” option so that we can copy/paste the Akash Node SDL in the next step
Copy and paste the SDL from this site into the Akashlytics SDL editor window
NOTE - the SDL within GitHub currently has a storage > size value of 120Gi. Omnibus uses a compressed snapshot of the blockchain and when expanded 120GB of storage for the deployment will not be enough. At the time of this writing adjusting the storage size to 350GB will suffice and allow some growth. Please adjust the storage appropriately and as shown in the screenshot below.
Accept the initial deposit of 5 AKT into the deployment’s escrow account
The escrow can be refilled easily within Akashlytics Deploy at any time
Approve the transaction fee to allow the deployment to continue
Select a provider from the bid list
Accept the transaction fee to create a lease with the provider
Akashlytics Deploy Complete
Once the deployment is complete the lease details are shown
After some time the Available/Ready Replicas fields will update to show the current node count. It may be necessary to refresh the screen for this count to update.
Confirmation of Node Deployment
With the install of the Akash node complete, it must sync with the blockchain. Omnibus will use a snapshot of prior blocks to speed the sync but even so this will take several hours. In the meantime let’s look into monitoring the sync and the running node’s health.
Snapshot Download Progress
While the blockchain snapshot is downloading, the following logs should be visible within Akashlytics
We can know that the snapshot download is not yet complete if we see this message in the logs
Snapshot Download Completed
After the snapshot download completes the logs will begin showing blockchain sync activity
Example output shown should look something like this but with the current blocks on the chain
Akash Node Verifications
These confirmations can be used after the snapshot has been completed
Capture Deployment Address
Begin by capturing the deployment’s public URI from Akashlytics
Confirm Blockchain Sync
Open a web browser and enter the Node’s URI as an address
If the Node deployed successfully we should view a list of RPC endpoints
Click the link to visit the Node’s status page
Look for the “latest_block_height” field
Open Mintscan, a popular blockchain explorer, to compare the captured “latest_block_height” value to the latest block displayed in the explorer
The block height from the Akash Node and Mintscan will not be exactly match but should be close to each other
Confirm Peer Nodes
Navigate back to the home page for your Node
Click the link for “net_info”
Find the section with the name of “peers”
Here we can determine what other Akash nodes our node is connected to and the status of these connections
Additional Information
Cosmos Omnibus Repository
The repository for the Akash Cosmos Omnibus project.
Akash SDL
The Akash manifest/SDL used in this guide.
Chain JSON Config File
The config file used for the genesis URL, seed nodes, etc.
Cosmos Chain Registry
This repo contains a chain.json for a number of cosmos-sdk based chains. A chain.json contains data that makes it easy to start running or interacting with a node.