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It is an environment agnostic automation tool built around ssh, cql, and bash. \n\n\n## Design Objectves\n\nTo help users tackle the diverse challenges of upgrading c* clusters, the tool:\n- Is environment agnostic, relies only on ssh, bash shell, and cql to function.\n- Has a designer UI that allows for quick testing and designing of upgrade paths (known as missions).\n- Supports canary deployments and rolling deployments for missions.\n- Provides real-time feedback for upgrades.\n\n## Design Concepts\n\nUsers design, test, and deploy missions.\n\nMissions are composed of reusable sequences of bash shell commands.\n\nMissions can be deployed on clusters in a as canary deployments (one random node) or in as rolling deployments (the whole cluster where the concurrency is determined per sequence by the mission designer).\n\n### Concurrency\n\nRegardless of the Guarantees:\n\n - The commands inside a sequence are always guaranteed to run sequentially on a host\n - Multiple sequences are always guaranteed to run in order across all the hosts (i.e. no host will start sequence 2 until sequence 1 has completed on all hosts).\n\nFor each sequence, one of the following Concurrency Types can be selected:\n\n - NODE - the sequence will get run node by node\n - CLUSTER - the sequence will get run in parallel for all the nodes in the cluster\n\n## User\n\nDownload the latest release from https://github.com/phact/lunar-lander/releases\n\n## Dev\n\nTo run in dev (including hot loading for both java and javascript) run:\n\n    ./mvnw compile quarkus:dev\n\nand\n\n    cd lunar-lander-ui \u0026\u0026 ./watch-generate.sh \n\nChanges to the source code are picked up automatically, it takes javascript changes a few seconds to propagate.\n\n## Build jar\n\n    ./mvnw package\n\n## Build native image\n\n    ./mvnw package -Pnative\n\n## Native image build prereqs\n\nhttps://quarkus.io/guides/building-native-image#prerequisites\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fphact%2Flunar-lander","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fphact%2Flunar-lander","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fphact%2Flunar-lander/lists"}