kubernetes
According to this recently completed CNCF Survey, the adoption rate of Cloud Native technologies in production is growing rapidly. Kubernetes is at the heart of this technological revolution. Naturally, the growth of cloud native technologies has been accompanied by the growth of the ecosystem that surrounds it.
Of course, the complexity of cloud native technologies have increased as well. Just google for the phrase “Kubernetes is hard”, and you’ll get plenty of articles that explain this complexity problem.
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Elasticsearch, following the emergence of Kubernetes as the de facto standard for orchestrating containers, launches Elastic Cloud on Kubernetes (ECK). Let’s have a look at what ECK brings to the Kubernetes ecosystem. The Elasticsearch team takes the next steptowards their commitment to make it easier for users to deploy and operate Elastic products and solutions in Kubernetes environments.
Elastic Cloud on Kubernetes (ECK) is built using the Kubernetes Operator pattern, installs into your Kubernetes cluster and does more than just simplifying the task of deploying Elasticsearch and Kibana on Kubernetes.
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Service Mesh Interface (SMI) defines a set of common, portable APIs that provide developers with interoperability across different service mesh technologies, including Istio, Linkerd, and Consul Connect. Today we are excited to launch Service Mesh Interface (SMI) which defines a set of common, portable APIs that provide developers with interoperability across different service mesh technologies including Istio, Linkerd, and Consul Connect. SMI is an open project started in partnership with Microsoft, Linkerd, HashiCorp, Solo, Kinvolk, and Weaveworks; with support from Aspen Mesh, Canonical, Docker, Pivotal, Rancher, Red Hat, and VMware.
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The container orchestrator war is over, and Kubernetes has won. With companies large and small rapidly adopting the platform, security has emerged as an important concern — partly because of the learning curve inherent in understanding any new infrastructure, and partly because of recently announced vulnerabilities. Kubernetes brings another security dynamic to the table — its defaults are geared towards making it easy for users to get up and running quickly, as well as being backward compatible with earlier releases of Kubernetes that lacked important security features.
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At Box, we use Kubernetes to empower our engineers to own the whole lifecycle of their microservices. When it comes to networking, our engineers use Tigera’s Project Calico to declaratively manage network policies for their apps running in our Kubernetes clusters. App owners define a Calico policy in order to enable their Pods to send/receive network traffic, which is instantiated as iptables rules.
There may be times, however, when such network policy is missing or declared incorrectly by app owners.
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Approximately 9 months ago, the Kubernetes community agreed to form the Cloud Provider Special Interest Group (SIG). The justification was to have a single governing SIG to own and shape the integration points between Kubernetes and the many cloud providers it supported. A lot has been in motion since then and we’re here to share with you what has been accomplished so far and what we hope to see in the future.
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Kubernetes is well-known for running scalable workloads. It scales your workloads based on their resource usage. When a workload is scaled up, more instances of the application get created.
When the application is critical for your product, you want to make sure that these new instances are scheduled even when your cluster is under resource pressure. One obvious solution to this problem is to over-provision your cluster resources to have some amount of slack resources available for scale-up situations.
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This post was inspired by listening to the February 19, 2019, Kubernetes Podcast, “Ingress, with Tim Hockin.” The Kubernetes Podcast is turning out to be a very well done podcast overall, and well worth the listen. In the Ingress episode, the podcasters interview Tim Hockin who’s one of the original Kubernetes co-founders, a team lead on the Kubernetes predecessor Borg/Omega, and is still very active within the Kubernetes community such as chairing the Kubernetes Network Special Interest Group that currently own the Ingress resource specification.
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Almost two years ago, Tinder decided to move its platform to Kubernetes. Kubernetes afforded us an opportunity to drive Tinder Engineering toward containerization and low-touch operation through immutable deployment. Application build, deployment, and infrastructure would be defined as code.
We were also looking to address challenges of scale and stability. When scaling became critical, we often suffered through several minutes of waiting for new EC2 instances to come online. The idea of containers scheduling and serving traffic within seconds as opposed to minutes was appealing to us.
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Kubernetes 1.14 consists of 31 enhancements: 10 moving to stable, 12 in beta, and 7 net new. The main themes of this release are extensibility and supporting more workloads on Kubernetes with three major features moving to general availability, and an important security feature moving to beta. More enhancements graduated to stable in this release than any prior Kubernetes release.
This represents an important milestone for users and operators in terms of setting support expectations.
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