Puppet Module Lab & Excercise – Part 1 Write a puppet module to setup a webserver(httpd) only in RHEL and use the HEREDOC to craete a html code of index.html inside a directory called “/var/www/html/index.html” Write a puppet module to setup a webserver(httpd) only in RHEL and use the puppet template to create a html…
Puppet Program Lab & Excercise – Part 1 Write a puppet Program to install package “git”, “ntp” and wget in RHEL. Which resource declaration can help us to deploy the “~/.ssh/authorized_keys” in 1000s of servers? Write a puppet Program to extract a tar ball in /opt Write a puppet Program to zip a directory which…
Puppet Program Lab & Excercise – Part 1 Write a Puppet Program to create a file named with “file.txt” in /opt/ owner by ec2-user and execute permission? Write a Puppet Program to create a group called “scmgalaxy-admins” Write a Puppet Program to create a usser called “deploy” which should be a part of “scmgalaxy-admins” group….
Enforce the JIRA issue id in a GIT commit message This can be done by using git hooks file location at .git/hooks/commit-msg. Following are the 2 way in whcih each Developers can set the Hooks in their developement envioronment. Method – 1 [code]# commit-msg.sh #!/bin/sh # This hook will make sure that the commit message…
Best Branching and Merging strategies in Gerrit Step 1 – First Lets read this article about Best Branching and Merging strategies in git http://www.scmgalaxy.com/tutorials/best-branching-and-merging-strategies-in-git/ Step 2 – Now Lets learn the Gerrit Merge Types https://nofluffjuststuff.com/magazine/2016/04/understanding_and_applying_gerrit_part_3_gerrit_submit_types_and_git_review Step 3 – Time to Learn the Types of Submit in Gerrit https://gerrit-review.googlesource.com/Documentation/project-configuration.html Step 4 – Finally, You must read…
Best Branching and Merging strategies in git Step 1 – First you need to learn the needs of branches. This is very good read. https://docs.microsoft.com/en-us/vsts/repos/tfvc/branching-strategies-with-tfvc?view=vsts Step 2 – Now time has come to Learn best branching model in Git. https://buddy.works/blog/5-types-of-git-workflows https://hackernoon.com/a-branching-and-releasing-strategy-that-fits-github-flow-be1b6c48eca2 https://nvie.com/posts/a-successful-git-branching-model/ Step 3 – Now, Lets understand, what is the kind of merges we…
How to revert the changes once its submitted in Gerrit The Revert button is available if the change has been submitted. This Reverts the change via creating a new one. When the Revert button is pressed, a panel will appear to allow the user to enter a commit message for the reverting change. Once a…
Here is the short and quick description of Gerrit key teminology. Change Every time you push a commit with a new Change-Id Gerrit allocates a new change. Every change has a unique Change-Id and a Change Number. The change contains a number of patch sets, comments on the patch sets and a code review rating…
How to replace Changes after the Gerrit review without changing the commit id? One of the main benefits of code review is the ability to receive and incorporate feedback from other developers without changing the commit-id and review id. With Gerrit, you incorporate these changes by amending the commit. Gerrit uses the CHange-Id to ensure…
Best practice says that before you commit in git, you need to either do git pull or git fetch/merge. However, there is a way to find out wheather your branches is not in sync with remote. To check the remote repo status you are really simulating a “fetch” $ git fetch -v –dry-run To bring…
This Tutorial is Deprecated and New Version of Tutorial you can find here – CLICK HERE Install and Configure Grafana in Ubuntu and Debian Step 1 – Download & Install Grafana Download Grafana RPM file RPM for Linux from https://grafana.com/grafana/download?platform=linux # Ubuntu & Debian $ wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana_5.2.2_amd64.deb $ sudo dpkg -i grafana_5.2.2_amd64.deb Step 2 –…
Top 10 Container Monitoring Solutions/Tools in 2018 Native Docker cAdvisor Scout Pingdom Datadog Sysdig Prometheus Heapster / Grafana ELK stack Sensu Reference https://rancher.com/comparing-10-container-monitoring-solutions-rancher/ Docker Tutorials Fundamental To Advanced-2021 Crash Course:- https://bit.ly/3hOIbTB
To build Gerrit Plugins from source, you need: A Linux or macOS system (Windows is not supported at this time) zip, unzip, wget $yum install zip -y $ yum install unzip -y $ yum install wget -y $ yum install git -y Python 2 or 3 This is installed in each RHEL 7 and Ubunutu…
What is “Install Verified label” in Gerrit? The Verified label was originally invented by the Android Open Source Project to mean ‘compiles, passes basic unit tests’. Some CI tools expect to use the Verified label to vote on a change after running. During site initialization the administrator may have chosen to configure the default Verified…
This options Defaults to false. This ensure When a client pushes with git push –signed, this ensures that the push certificate is valid and signed with a valid public key stored in the refs/meta/gpg-keys branch of All-Users. If true, server-side signed push validation is enabled. Config in gerrit.config – receive.enableSignedPush
The canonical web url must be set. Optional base URL for repositories available over the anonymous git protocol. For example, set this to git://mirror.example.com/base/ to have Gerrit display patch set download URLs in the UI. Gerrit automatically appends the project name onto the end of the URL. By default unset, as the git daemon must…
Authentication Types in Gerrit explained! Type of user authentication employed by Gerrit. The supported values are: By default, OpenID OpenID The default setting. Gerrit uses any valid OpenID provider chosen by the end-user. For more information see openid.net. OpenID_SSO Supports OpenID from a single provider. There is no registration link, and the “Sign In” link…
How to backup and restore gerrit server? There are 3 coponent which should be backed up in gerrit Repository – According to me best way to backup the repository is to setup a replication with other gerrit hosting tools using gerrit replication plugins. The steps can be find as below; Gerrit Database Depends on the…
When Gerrit is configured as the central source repository, all code changes are sent to Pending Changes for others to review and discuss. When enough reviewers have approved a code change, you can submit the change to the code base. In addition to the store of Pending Changes, Gerrit captures notes and comments made about…
How to setup Kubernetes Dashboard in EKS using NodePort? Step 1: Deploy the Dashboard# Deploy the Kubernetes dashboard to your cluster: [code]kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml[/code] # Deploy heapster to enable container cluster monitoring and performance analysis on your cluster: [code]$ kubectl apply -f https://raw.githubusercontent.com/kubernetes/heapster/master/deploy/kube-config/influxdb/heapster.yaml[/code] # Deploy the influxdb backend for heapster to your cluster: [code]$…
What is Annotations in Kubernetes? There are two way using you can attach metadata to Kubernetes objects. labels annotations Kubernetes annotations is used to attach arbitrary non-identifying metadata to objects. Clients such as tools and libraries can retrieve this metadata. In contrast, annotations are not used to identify and select objects. The metadata in an…
In simple line, Amazon EKS is generally available, bringing fully-managed Kubernetes to AWS. Amazon launched Amazon EKS in November at its re:Invent 2017 conference. Till the time this article is written, Amazon EKS is available in the US East (N. Virginia) and US West (Oregon) Regions only. The cost of running EKS is $0.20 per…
Docker Engine Docker Engine is our lightweight and powerful open source containerization technology combined with a work flow for building and containerizing your applications. Docker Engine is a client-server application with these major components: A server which is a type of long-running program called a daemon process (the dockerd command). A REST API which specifies…
Here are the following Services which is offered by AWS at present which will help you to onboarding Containers on AWS platforms. Amazon Elasitc Container Services (ECS) Amazon Elasitc Container Services (ECS) was introduced in 2014. Amazon EC2 Container Service (ECS) is a cloud computing service in Amazon Web Services (AWS) that manages containers. It…
Chef Node Objects Defined! For the chef-client, two important aspects of nodes are groups of attributes and run-lists. An attribute is a specific piece of data about the node, such as a network interface, a file system, the number of clients a service running on a node is capable of accepting, and so on. A…
The chefignore file is used to tell knife which cookbook files in the chef-repo should be ignored when uploading data to the Chef server. The type of data that should be ignored includes swap files, version control data, build output data, and so on. . The chefignore file can be located in any subdirectory of…
Lets Understand the Ruby programming world in 5 mins? Ruby Ruby is a dynamic, interpreted, reflective, object-oriented, general-purpose programming language. It was designed and developed in the mid-1990s by Yukihiro “Matz” Matsumoto in Japan. The Currnet most latest stable release is Ruby 2.5. Gem – A Ruby Package A Gem is a Ruby application package…
A Jenkins Admin can execute groovy scripts remotely by sending an HTTP POST request to /script/ url or /scriptText/. curl example via bash [code] curl -d “script=<your_script_here>” https://jenkins/script # or to get output as a plain text result (no HTML) curl -d “script=<your_script_here>” https://jenkins/scriptText [/code] curl submitting groovy file via bash [code] curl –data-urlencode “script=$(<…
Here are the List of way using you can apply grovy code in Jenkins Method -1: Groovy plugin This plugin adds the ability to directly execute Groovy code. More info – https://wiki.jenkins.io/display/JENKINS/Groovy+plugin Method -2: Jenkins script console The inbuilt script console is a very useful and powerful Jenkins extension and ideally suits certain types of…
Here are the list of Groovy Script which can be used in Jenkins to automate the JOBs and CI process. Please add your list in the comment sections as well. Main Source – https://github.com/scmgalaxy/jenkins-groovy-script-example https://github.com/cloudbees/jenkins-scripts https://wiki.jenkins.io/display/JENKINS/Jenkins+Script+Console https://pghalliday.com/jenkins/groovy/sonar/chef/configuration/management/2014/09/21/some-useful- jenkins-groovy-scripts.html https://github.com/cloudbees/jenkins-scripts https://github.com/jenkinsci/jenkins-scripts https://gist.github.com/dnozay/e7afcf7a7dd8f73a4e05 https://github.com/samrocketman/jenkins-bootstrap-shared https://github.com/samrocketman/jenkins-script-console-scripts Example Groovy Script Activate Chuck Norris Plugin — This script activates Chuck Norris plugin for…