Blogs

Navigate to Azure portal > Services > Azure Entra ID Click on Enterprise Applications > Create a New Application Click on Create your own Application and provide a name. Select Integrate any other application you don’t find in the gallery (Non-gallery) > Create Once in the Application, click on Set up Single Sign-on and choose SAML Make sure SSL is enabled on the Cloudstack management server. Login to Cloudstack UI > Global settings > Access > Saml and set the following: saml2.enabled=true saml2.redirect.url=http://<mgmtip>:8080/client saml2.sp.slo.url=http://<mgmtip>:8080/client saml2.sp.sso.url=http://<mgmtip>:8080/client/api?command=samlSso Restart the Cloudstack Management service and execute the API to get the SP Metadata for Cloudstack https://cloudstack.apache.org/api/apidocs-4.19/apis/getSPMetadata.html > curl > [http://\<mgmt\>:8080/client/api?command=getSpMetadata](http://10.0.32.234:8080/client/api?command=getSpMetadata) \> > metadata.xml Upload the generated metadata XML into Azure Entra ...

Monitoring Cloudstack with Prometheus and Grafana Cloudstack supports prometheus integration and it exports various metrics for the prometheus server to Scrape Enable prometheus integragration on Cloudstack Management server Enable prometheus plugin in Cloudstack Management server Login to the database or enable the following global setting parameters prometheus.exporter.enable : Enable the prometheus exporter plugin, management server restart needed. prometheus.exporter.allowed.ips: List of comma separated prometheus server ips (with no spaces) that should be allowed to access the metrics endpoint. ...

Building cloudstack on Ubuntu 22.0.4 Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. CloudStack is used by a number of service providers to offer public cloud services, and by many companies to provide an on-premises (private) cloud offering, or as part of a hybrid cloud solution. https://cloudstack.apache.org/ http://docs.cloudstack.apache.org/en/latest/ Install the following packages sudo add-apt-repository universe sudo apt-get update sudo apt-get dist-upgrade sudo apt-get install cpu-checker build-essential zlib1g-dev libffi-dev libssl-dev libbz2-dev libreadline-dev libsqlite3-dev liblzma-dev vim git subversion mercurial patch rsync curl wget sed openssh-client gpg gnupg2 gzip bzip2 zip unzip p7zip-full p7zip-rar python-is-python3 openjdk-11-jdk maven mysql-server mysql-client bzip2 nfs-common uuid uuid-runtime python-setuptools python3-setuptools ipmitool genisoimage nfs-kernel-server quota python3-dev python3-openssl jq Install git apt install git Install Python and pyenv ( in order to manage multiple python versions) brew install python brew install pyenv Pouplate the .zshrc to ...

Building cloudstack on Mac os Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. CloudStack is used by a number of service providers to offer public cloud services, and by many companies to provide an on-premises (private) cloud offering, or as part of a hybrid cloud solution. https://cloudstack.apache.org/ http://docs.cloudstack.apache.org/en/latest/ Install Brew ( package manager) /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" Install git brew install git Install Python and pyenv ( in order to manage multiple python versions) brew install python brew install pyenv Pouplate the .zshrc to ...

Launch any linux vm (Centos, Ubuntu etc) from a iso Install the cloud init package RHEL: yum install cloud-init Ubuntu : apt-get install cloud-init Configure the cloud init by adding the cloudstack datasource package vi /etc/cloud/cloud.cfg.d/99_cloudstack.cfg datasource_list: [ CloudStack, None ] Create a template of the disk Launch a vm based on the template created and pass the userdata parameter deploy virtualmachine serviceofferingid=720d1320-06d7-4918-9f2a-ef5ba7e07bf3 templateid=0d9bf1f4-288d-4510-b2c5-8e980c51c98d zoneid=10a26e0d-2085-4b09-bd0f-c726a6bd9443 networkids=cf8fcdb8-741c-4f98-b856-adc4fd99c157 userdata=I2Nsb3VkLWNvbmZpZwpydW5jbWQ6CiAgLSBta2RpciAvcnVuL2tpcmFuCiAgLSBlY2hvIGtpcmFuIHNheXMgaGkgPj4gL3J1bi9raXJhbi9zYW1wbGUudHh0CiAgLSBbIHNoLCAteGMsICAvcm9vdC9zdXJlZWRnZV9zZXJ2ZXJfdXRpbGl0eV9pbnN0YWxsZXIuc2ggLS10b2tlbiAxNDY2Q0IxNTc3NzdCQjcyIF0= Note: Make sure the userdata is encoded in base64 format if calling from Api , if you are passing the userdata from UI , there is no need to encode it ...

Packer is an open source tool that enables you to create identical machine images for multiple platforms from a single source template. A common use case is creating “golden images” that teams across an organization can use in cloud infrastructure. There 2 ways to write the packer code to build the image Using JSON formatted code Using HCL2 formatted code In order to interact with Google cloud we have to create a service account in GCP ...

Install virtual box sudo apt install virtualbox Install vagrant curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add - sudo apt-add-repository “deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main” sudo apt-get update && sudo apt-get install vagrant Git clone this repository git clone https://github.com/justmeandopensource/kubernetes cd vagrant-provisioning vagrant up This is going to create 1 master node with 2 worker nodes

There could be scenarios where you want to import the already existing resources from cloud providers into terraform. Terraform has an import modude which does this job and using the module is a tedious process https://www.terraform.io/docs/cli/import/index.html There is tool called Terraformer which does the job of reverese terraforming https://github.com/GoogleCloudPlatform/terraformer Google cloud https://gist.github.com/kiranchavala/54a930c8da148cc2b637c053dc1ba8ba AWS https://gist.github.com/kiranchavala/c2a01a7a43ea15cb8921a710d6cf22ea Azure https://gist.github.com/kiranchavala/18a1c555c198eb0944cbad3791602dc7 Openstack https://gist.github.com/kiranchavala/c63243b0b76adcdafc7d06d87a304370 Cloudstack https://gist.github.com/kiranchavala/c1b81f1d629b0567e08e219891d4ed48

In order to quicly bring up a new kubernetes cluster in your local laptop, then you can use kind. Kind ( Kubernetes in Docker) Kind basically creates the nodes as a containers and create a kubernetes cluster https://kind.sigs.k8s.io/ https://github.com/kubernetes-sigs/kind brew install kind Deploying a Single node cluster kind create cluster docker images kindest/node <none> d372b674475a 3 months ago 1.1GB docker ps -a 3047fe4988f4 kindest/node:v1.21.1 "/usr/local/bin/entr…" 8 days ago Up 8 days 127.0.0.1:50941->6443/tcp kind-control-plane docker exec -it kind-control-plane sh # crictl ps -a CONTAINER IMAGE CREATED STATE NAME ATTEMPT POD ID be7d88399e276 1a1f05a2cd7c2 8 days ago Running coredns 0 bb3eb2d8b0138 dc91af853f8d4 1a1f05a2cd7c2 8 days ago Running coredns 0 72e459f147b24 2bcbac91131f1 2b703ea309660 8 days ago Running local-path-provisioner 0 1b9b5b3329128 3787410dc6121 f37b7c809e5dc 8 days ago Running kindnet-cni 0 66b72ef1c9758 af1073c036c7b 4bbef4ca108cd 8 days ago Running kube-proxy 0 e254cfacdfb75 b29d7fa01b9ea 05b738aa1bc63 8 days ago Running etcd 0 4109caeae008c cb638fbd4988d 18e61c783b417 8 days ago Running kube-apiserver 0 f87bb12d4816e 181e0b63e3db1 0c6dccae49de8 8 days ago Running kube-controller-manager 0 0d00a01acb283 ccd3b21c436ec 8c783dd252088 8 days ago Running kube-scheduler 0 72a8570b0c0b2 kubectl get cluster-info ...