It was a bit surreal for me. He looked the same as he had just a moment ago when he was alive: pretty colors and noble antlers. But he was dead, and I’d killed him. I felt a tug of remorse. He was a beautiful animal, gone now thanks to me. But I was also proud. This was Montana. Deer were for shooting. Everybody did it. Now I was part of the club.

Essentially, this is the story of one Vivian Dalton — though alternating chapters are told from other characters’ points of view — who works as a switchboard operator in the small town of Wooster, Ohio — a real-life place — during the early 1950s. Though Vivian and her co-workers aren’t supposed to listen in on the phone conversations they connect, they do so anyway. One day, as Vivian is listening to a phone call, a piece of gossip about her own family is revealed, seeking to crumble the façade of Vivian’s life. It takes about half of the book before the reader is brought into what that gossip is, but, in a 1950s small town in America, it probably was as powerful as a match being dropped into a pool of gasoline.Any Operator that implements one or more of these features can be considered to be at least a Level III Operator. The simple web application Operator could take advantage of a few of these, such as DR and scaling. As the user base grows and resources demands increase, an administrator could instruct the Operator to scale the application with additional replica Pods to handle the increased load. Revisiting the first example in this chapter, the idea of a simple application with three Pods and a Persistent Volume was examined without Operator management. This application relied on optimistic uptime and future-proof design to run continuously. In real-world deployments, these ideas are unfortunately unreasonable. Designs evolve and change, and unforeseeable failures bring applications down. But how could an Operator help this app persist in an unpredictable world?

Which was a good thing. I could keep myself alive in the water but not swim. I’d never attempted a pull-up. A brochure that had been thoughtfully provided in the recruitment paperwork revealed that to even qualify for a SEAL tryout you had to be able to do a minimum of eight pull-ups. And that’s after you swim five hundred yards, and do forty-two push-ups and fifty sit-ups. And before you run. Este es un libro pacifista, pero es un libro pacifista con información desde dentro, siguiendo a los generales que dirigen las operaciones, a los diplomáticos que se reunen en hoteles en grandes capitales, a los representantes en el Capitolio y la Casa Blanca. Y es un libro pacifista porque "The operators" explica lo absurdo de la Guerra contra el Terror que tuvo lugar entre 2001 y 2011 (algun@s dirán que todavía sigue) en Iraq y Afganistán. Una guerra que se produjo por un mega ataque terrorista que causó 3.000 muertos, y que solo en bajas militares (muertos y heridos) de los EE.UU se cobró más de 45.000. Una guerra que ha costado miles y miles de millones de dólares y que ha conseguido muy poco.

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The difference between Hastings and Ernie Pyle--to whom he compares himself--is that when Ernie Pyle died, the Marines he traveled with buried him on their base, the only civilian to be so honored. This will not happen with Hastings. Quite the contrary. There are likely many who would plant him in the desert with no marker. The Operators that are written following the guidelines of the Operator Framework are designed to function very similarly to native controllers. They do this by also monitoring the current state of the cluster and acting to reconcile it with the desired state. Specifically, an Operator is tailored to a unique workload or component. The Operator then knows how to interact with that component in various ways. Knowing key terms for Operators Michael Hastings: A fine journalist and author who tried to keep the truth alive through the fog of war. Finally, the Capability Model summarizes the maturity of an Operator based on the functionality it provides. This is helpful to users, but it also serves as a convenient roadmap for developers to plan features for their Operators. We began this chapter by examining some of the problems that arise when manually managing applications and clusters without Operators. This was done through the lens of a simple generic web application based on a couple of Pods and a Persistent Volume. The main difficulties in managing something such as this include the time and resources required to debug applications. This is especially important in cloud applications, where high availability ( HA) and consistent uptime are top priorities.