DevOps Tools

 HELM

Helm is a Kubernetes package manager used for installing and managing K8s applications.

Charts are Helm packages which contain k8s manifest. And each chart can have its child charts as well.

Application can be shared using Helm charts avoids rebuilding apps from scratch .

Helm create 'chart name' -- will create a helm chart.

  1.     Contains Chart.yaml
  2. Values.yaml
  3. templates dir - contains k8s manifest files

Comments

Post a Comment

Popular posts from this blog

Linear Algebra Concepts

Vector Spaces Rank of matrix is the number of non zero rows in REF form. Alternatively rank of matrix is = total number of columns - total number of dependent columns. In the REF form, If a column of a matrix can be expressed in terms of other columns then it is a dependent vector. The vectors on the left most side with leading 1 at the col number position ( 1 at 1st row 1st col, 1 at 2nd row 2nd col, likewise) then such columns are linearly independent columns. For linerarly independence a1v1+a2v2+a3v3=0 where v1,v2,v3 are vectors and a1,a2,a3 are scalars. Span of a vector space is all the possible vectors which can be formed using the basis vectors. Basis vectors are linearly independent vectors which can span the vector space. Column space is all possible set of vectors formed by the column vectors. Row space is all possible set of vectors formed by the row vectors. Dimension of a row space or column space is equal to its rank. Null space or kernel of a matrix is any vector x which ...
Read more

Artificial Computation Intelligence

  Components of Problem Formulation Initial State - Is the starting configuration of system. Actions - The permissible moves or operations that can be performed in the problem space. Transition Model - Describes the result of applying specific action in a given state. Goal State - Desired configuration that indicates problem has been solved. Cost function - numerical cost for each action. Task is to setup an automated traffic monitoring system that should be equipped with 10 cameras at each intersection to detect traffic violoations and detect license plates to cross verify with stolen vehicle database. What is the problem formulation for this, provide PEAS description, which agent architecture will fit this ? PEAS Description: Performance Measure: The system's performance is measured by its accuracy in detecting traffic violations, identifying license plates, and cross-verifying them with the stolen vehicle database. Additionally, the efficiency of the system in processing and ana...
Read more

Serverless - Lambda functions

 Lambda All operational activities of applying patch, capacity provisioning, monitoring fleet health, code deployment etc is taken care by Lamda. Best suited for use cases which are event based, such as changes to S3 buckets,  serverless processing of streaming data, updates to Dynamo DB table or custom event generated by apps/devices. All code uploaded to Lambda is encrypted. Each Lambda has built-in ephemeral storage of 512 MB. In-bound network connections are blocked by Lambda. Total Metrics, Account and Function level concurrency usage, latency and throttled requests are metrics shared by Lambda through Cloud Watch. Each Lambda function has a log group which can be traced in Cloudwatch logs. We can define the memory to be set for the function. Lambda function max execution time is 15 mins. Lambda can do polling of resources that do not publish events. Or it can be triggered basis events. S3 Integration - The S3 Bucket notifications can be sent to Lambda functions. Lambda c...
Read more