456 lines
20 KiB
EmacsLisp
456 lines
20 KiB
EmacsLisp
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;;; kubernetes-overview.el --- Utilities for managing the overview buffer. -*- lexical-binding: t; -*-
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;;; Commentary:
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;;; Code:
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(require 'subr-x)
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(require 'kubernetes-ast)
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(require 'kubernetes-commands)
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(require 'kubernetes-configmaps)
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(require 'kubernetes-contexts)
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(require 'kubernetes-deployments)
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(require 'kubernetes-statefulsets)
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(require 'kubernetes-nodes)
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(require 'kubernetes-errors)
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(require 'kubernetes-ingress)
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(require 'kubernetes-jobs)
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(require 'kubernetes-loading-container)
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(require 'kubernetes-modes)
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(require 'kubernetes-namespaces)
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(require 'kubernetes-pods)
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(require 'kubernetes-pod-line)
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(require 'kubernetes-popups)
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(require 'kubernetes-secrets)
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(require 'kubernetes-services)
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(require 'kubernetes-timers)
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(autoload 'kubernetes-utils-up-to-existing-dir "kubernetes-utils")
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;; Configmaps
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(defun kubernetes-overview--referenced-configmaps (state pod)
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(-let* (((&alist 'items configmaps) (kubernetes-state-configmaps state))
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(configmaps (append configmaps nil))
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((&alist 'spec (&alist 'volumes volumes 'containers containers)) pod)
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(names-in-volumes
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(->> volumes
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(seq-mapcat
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(lambda (volume)
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(-when-let ((&alist 'configMap (&alist 'name name)) volume)
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(list name))))))
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(names-in-env
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(->> containers
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(seq-mapcat (-lambda ((&alist 'env env)) env))
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(seq-mapcat
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(lambda (env)
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(-when-let ((&alist 'valueFrom (&alist 'configMapKeyRef (&alist 'name name))) env)
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(list name))))))
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(references (-uniq (-union names-in-volumes names-in-env))))
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(seq-filter (-lambda ((&alist 'metadata (&alist 'name name)))
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(member name references))
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configmaps)))
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(defun kubernetes-overview--configmaps-for-deployment (state pods)
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(->> pods
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(seq-mapcat (lambda (pod) (kubernetes-overview--referenced-configmaps state pod)))
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-non-nil
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-uniq
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(seq-sort (lambda (s1 s2)
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(string< (kubernetes-state-resource-name s1)
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(kubernetes-state-resource-name s2))))))
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(defun kubernetes-overview--configmaps-for-statefulset (state pods)
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(->> pods
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(seq-mapcat (lambda (pod) (kubernetes-overview--referenced-configmaps state pod)))
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-non-nil
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-uniq
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(seq-sort (lambda (s1 s2)
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(string< (kubernetes-state-resource-name s1)
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(kubernetes-state-resource-name s2))))))
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(kubernetes-ast-define-component aggregated-configmap-line (state configmap)
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(-let* ((pending-deletion (kubernetes-state-configmaps-pending-deletion state))
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(marked-configmaps (kubernetes-state-marked-configmaps state))
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((&alist 'metadata (&alist 'name name )) configmap)
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(line (cond
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((member name pending-deletion)
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`(propertize (face kubernetes-pending-deletion) ,name))
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((member name marked-configmaps)
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`(mark-for-delete ,name))
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(t
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name))))
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`(section (,(intern (kubernetes-state-resource-name configmap)) t)
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(nav-prop (:configmap-name ,name)
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(copy-prop ,name (line ,line))))))
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(kubernetes-ast-define-component aggregated-configmaps (state configmaps)
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`(section (configmaps nil)
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(heading "Configmaps")
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(indent ,(--map `(aggregated-configmap-line ,state ,it) configmaps))
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(padding)))
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;; Secrets
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(defun kubernetes-overview--referenced-secrets (secrets pod)
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(-let* (((&alist 'spec (&alist 'volumes vols 'containers containers)) pod)
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(combined-env (seq-mapcat (-lambda ((&alist 'env env))
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env)
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containers))
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(names-in-volumes
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(seq-mapcat
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(lambda (volume)
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(-when-let ((&alist 'secret (&alist 'secretName name)) volume)
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(list name)))
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vols))
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(names-in-env
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(seq-mapcat
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(lambda (env)
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(-when-let ((&alist 'valueFrom (&alist 'secretKeyRef (&alist 'name name))) env)
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(list name)))
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combined-env))
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(references (-union names-in-volumes names-in-env))
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(matches (seq-filter (lambda (secret)
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(member (kubernetes-state-resource-name secret) references))
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secrets)))
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(seq-sort (lambda (s1 s2)
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(string< (kubernetes-state-resource-name s1)
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(kubernetes-state-resource-name s2)))
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matches)))
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(defun kubernetes-overview--secrets-for-deployment (state pods)
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(-let* (((&alist 'items secrets) (kubernetes-state-secrets state))
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(secrets (append secrets nil)))
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(-non-nil (-uniq (seq-mapcat (lambda (pod)
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(kubernetes-overview--referenced-secrets secrets pod))
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pods)))))
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(defun kubernetes-overview--secrets-for-statefulset (state pods)
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(-let* (((&alist 'items secrets) (kubernetes-state-secrets state))
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(secrets (append secrets nil)))
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(-non-nil (-uniq (seq-mapcat (lambda (pod)
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(kubernetes-overview--referenced-secrets secrets pod))
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pods)))))
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(kubernetes-ast-define-component aggregated-secret-line (state secret)
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(-let* ((pending-deletion (kubernetes-state-secrets-pending-deletion state))
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(marked-secrets (kubernetes-state-marked-secrets state))
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((&alist 'metadata (&alist 'name name )) secret)
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(line (cond
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((member name pending-deletion)
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`(propertize (face kubernetes-pending-deletion) ,name))
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((member name marked-secrets)
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`(mark-for-delete ,name))
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(t
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name))))
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`(section (,(intern (kubernetes-state-resource-name secret)) t)
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(nav-prop (:secret-name ,name)
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(copy-prop ,name (line ,line))))))
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(kubernetes-ast-define-component aggregated-secrets (state secrets)
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`(section (secrets nil)
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(heading "Secrets")
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(indent ,(--map `(aggregated-secret-line ,state ,it) secrets))
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(padding)))
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;; Pods
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(defun kubernetes-overview--pods-for-deployment (state deployment)
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(-let* (((&alist 'spec (&alist 'selector (&alist 'matchLabels selectors))) deployment)
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((&alist 'items pods) (kubernetes-state-pods state))
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(pods (append pods nil)))
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(nreverse (seq-reduce
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(lambda (acc pod)
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(-let [(&alist 'metadata (&alist 'labels labels)) pod]
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;; The labels present on the pod must contain all selector labels
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(if (-all? (lambda (label) (-contains? labels label)) selectors)
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(cons pod acc)
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acc)))
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pods
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nil))))
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(defun kubernetes-overview--pods-for-statefulset (state statefulset)
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(-let* (((&alist 'spec (&alist 'selector (&alist 'matchLabels (&alist 'name selector-name)))) statefulset)
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((&alist 'items pods) (kubernetes-state-pods state))
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(pods (append pods nil)))
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(nreverse (seq-reduce
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(lambda (acc pod)
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(if (equal selector-name (kubernetes-state-resource-label pod))
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(cons pod acc)
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acc))
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pods
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nil))))
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(kubernetes-ast-define-component aggregated-pods (state deployment pods)
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(-let [(&alist 'spec (&alist
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'replicas replicas
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'selector (&alist 'matchLabels
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(&alist 'name selector-name
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'component component-name)
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'matchExpressions match-expressions)))
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deployment]
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`(section (pods nil)
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(heading "Pods")
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(indent
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,(when selector-name
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`(section (selector nil)
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(nav-prop (:selector ,selector-name)
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(key-value 12 "Selector" ,(propertize selector-name 'face 'kubernetes-selector)))))
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,(when component-name
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`(section (component nil)
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(nav-prop (:component ,component-name)
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(key-value 12 "Component" ,(propertize component-name 'face 'kubernetes-component)))))
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,(when match-expressions
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`(section (expressions nil)
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(heading "Match Expressions")
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(indent ,(kubernetes-yaml-render match-expressions))))
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(key-value 12 "Replicas" ,(format "%s" (or replicas 1)))
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(columnar-loading-container ,(kubernetes-state-pods state) nil
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,@(seq-map (lambda (pod) `(pod-line ,state ,pod)) pods)))
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(padding))))
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;; Deployment
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(kubernetes-ast-define-component aggregated-deployment-detail (deployment)
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(-let [(&alist 'metadata (&alist 'namespace ns 'creationTimestamp time)
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'spec (&alist
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'paused paused
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'strategy (&alist
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'type strategy-type
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'rollingUpdate rolling-update)))
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deployment]
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`(,(when paused `(line (propertize (face warning) "Deployment Paused")))
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(section (namespace nil)
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(nav-prop (:namespace-name ,ns)
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(key-value 12 "Namespace" ,(propertize ns 'face 'kubernetes-namespace))))
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,(-if-let ((&alist 'maxSurge surge 'maxUnavailable unavailable) rolling-update)
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`(section (strategy t)
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(heading (key-value 12 "Strategy" ,strategy-type))
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(indent
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((key-value 12 "Max Surge" ,(format "%s" surge))
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(key-value 12 "Max Unavailable" ,(format "%s" unavailable)))))
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`(key-value 12 "Strategy" ,strategy-type))
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(key-value 12 "Created" ,time))))
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;; Statefulset
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(kubernetes-ast-define-component aggregated-statefulset-detail (statefulset)
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(-let [(&alist 'metadata (&alist 'namespace ns 'creationTimestamp time)
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'spec (&alist
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'paused paused
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'strategy (&alist
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'type _strategy-type
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'rollingUpdate _rolling-update)))
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statefulset]
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`(,(when paused `(line (propertize (face warning) "Statefulset Paused")))
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(section (namespace nil)
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(nav-prop (:namespace-name ,ns)
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(key-value 12 "Namespace" ,(propertize ns 'face 'kubernetes-namespace))))
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(key-value 12 "Created" ,time))))
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(kubernetes-ast-define-component aggregated-deployment (state deployment)
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(let* ((pods (kubernetes-overview--pods-for-deployment state deployment))
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(configmaps (kubernetes-overview--configmaps-for-deployment state pods))
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(secrets (kubernetes-overview--secrets-for-deployment state pods)))
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`(section (,(intern (kubernetes-state-resource-name deployment)) t)
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(heading (deployment-line ,state ,deployment))
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(section (details nil)
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(indent
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(aggregated-deployment-detail ,deployment)
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(padding)
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(aggregated-pods ,state ,deployment ,pods)
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,(when configmaps
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`(aggregated-configmaps ,state ,configmaps))
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,(when secrets
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`(aggregated-secrets ,state ,secrets)))))))
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(kubernetes-ast-define-component aggregated-statefulset (state statefulset)
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(let* ((pods (kubernetes-overview--pods-for-statefulset state statefulset))
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(configmaps (kubernetes-overview--configmaps-for-statefulset state pods))
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(secrets (kubernetes-overview--secrets-for-statefulset state pods)))
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`(section (,(intern (kubernetes-state-resource-name statefulset)) t)
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(heading (statefulset-line ,state ,statefulset))
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(section (details nil)
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(indent
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(aggregated-statefulset-detail ,statefulset)
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(padding)
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(aggregated-pods ,state ,statefulset ,pods)
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,(when configmaps
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`(aggregated-configmaps ,state ,configmaps))
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,(when secrets
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`(aggregated-secrets ,state ,secrets)))))))
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;; Main Components
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(kubernetes-ast-define-component aggregated-view (state &optional hidden)
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(-let [(state-set-p &as &alist 'items deployments) (kubernetes-state-deployments state)]
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(-let (((state-set-p &as &alist 'items statefulsets)
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(kubernetes-state-statefulsets state))
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([fmt0 labels0] kubernetes-statefulsets--column-heading)
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([fmt1 labels1] kubernetes-deployments--column-heading))
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`(section (ubercontainer, nil)
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(section (overview-container ,hidden)
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(header-with-count "Statefulsets" ,statefulsets)
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(indent
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(columnar-loading-container
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,statefulsets
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,(propertize
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(apply #'format fmt0 (split-string labels0 "|"))
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'face
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'magit-section-heading)
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,@(--map `(aggregated-statefulset ,state ,it) statefulsets)))
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(padding))
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(section (overview-container ,hidden)
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(header-with-count "Deployments" ,deployments)
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(indent
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(columnar-loading-container
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,deployments
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,(propertize
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(apply #'format fmt1 (split-string labels1))
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'face
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'magit-section-heading)
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,@(--map `(aggregated-deployment ,state ,it) deployments)))
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(padding))))))
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(defun kubernetes-overview-render (state)
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(let ((sections (kubernetes-state-overview-sections state)))
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`(section (root nil)
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,(kubernetes-errors-render state)
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,(when (member 'context sections)
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(kubernetes-contexts-render state))
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,(when (member 'configmaps sections)
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`(configmaps-list ,state))
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,(when (member 'deployments sections)
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`(deployments-list ,state))
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,(when (member 'statefulsets sections)
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`(statefulsets-list ,state))
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,(when (member 'ingress sections)
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`(ingress-list ,state))
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,(when (member 'jobs sections)
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`(jobs-list ,state))
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,(when (member 'overview sections)
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`(aggregated-view ,state))
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,(when (member 'pods sections)
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`(pods-list ,state))
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,(when (member 'secrets sections)
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`(secrets-list ,state))
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,(when (member 'services sections)
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`(services-list ,state))
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,(when (member 'nodes sections)
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`(nodes-list ,state)))))
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|
||
|
|
;; Overview buffer.
|
||
|
|
|
||
|
|
(defun kubernetes-overview--redraw-buffer ()
|
||
|
|
"Redraws the main buffer using the current state."
|
||
|
|
(when-let (buf (get-buffer kubernetes-overview-buffer-name))
|
||
|
|
(with-current-buffer buf
|
||
|
|
;; If a region is active, a redraw would affect the region in
|
||
|
|
;; unpredictable ways.
|
||
|
|
(unless (region-active-p)
|
||
|
|
;; Suppress redrawing if the overview is not selected. This prevents
|
||
|
|
;; point from jumping around when a magit popup is open.
|
||
|
|
(when (member (selected-window) (get-buffer-window-list buf))
|
||
|
|
(kubernetes-utils--save-window-state
|
||
|
|
(let ((inhibit-read-only t))
|
||
|
|
(erase-buffer)
|
||
|
|
(kubernetes-ast-eval (kubernetes-overview-render (kubernetes-state)))))
|
||
|
|
|
||
|
|
;; Force the section at point to highlight.
|
||
|
|
(magit-section-update-highlight))))))
|
||
|
|
|
||
|
|
(defun kubernetes-overview--poll (&optional verbose)
|
||
|
|
(kubernetes-configmaps-refresh verbose)
|
||
|
|
(kubernetes-contexts-refresh verbose)
|
||
|
|
(kubernetes-ingress-refresh verbose)
|
||
|
|
(kubernetes-jobs-refresh verbose)
|
||
|
|
(kubernetes-deployments-refresh verbose)
|
||
|
|
(kubernetes-statefulsets-refresh verbose)
|
||
|
|
(kubernetes-nodes-refresh verbose)
|
||
|
|
(kubernetes-namespaces-refresh verbose)
|
||
|
|
(kubernetes-pods-refresh verbose)
|
||
|
|
(kubernetes-secrets-refresh verbose)
|
||
|
|
(kubernetes-services-refresh verbose))
|
||
|
|
|
||
|
|
(defun kubernetes-overview--initialize-buffer ()
|
||
|
|
"Called the first time the overview buffer is opened to set up the buffer."
|
||
|
|
(let ((buf (get-buffer-create kubernetes-overview-buffer-name)))
|
||
|
|
(with-current-buffer buf
|
||
|
|
(kubernetes-overview-mode)
|
||
|
|
(add-hook 'kubernetes-redraw-hook #'kubernetes-overview--redraw-buffer)
|
||
|
|
(add-hook 'kubernetes-poll-hook #'kubernetes-overview--poll)
|
||
|
|
(kubernetes-timers-initialize-timers)
|
||
|
|
(kubernetes-overview--redraw-buffer)
|
||
|
|
(add-hook 'kill-buffer-hook (kubernetes-utils-make-cleanup-fn buf) nil t))
|
||
|
|
buf))
|
||
|
|
|
||
|
|
(defun kubernetes-overview-set-sections (sections)
|
||
|
|
"Set which sections are displayed in the overview.
|
||
|
|
|
||
|
|
SECTIONS is a list of sections to display. See
|
||
|
|
`kubernetes-overview-custom-views-alist' and
|
||
|
|
`kubernetes-overview-views-alist' for possible values."
|
||
|
|
(interactive
|
||
|
|
(let* ((views (append kubernetes-overview-custom-views-alist kubernetes-overview-views-alist))
|
||
|
|
(names (-uniq (--map (symbol-name (car it)) views)))
|
||
|
|
(choice (intern (completing-read "Overview view: " names nil t))))
|
||
|
|
(list (alist-get choice views))))
|
||
|
|
|
||
|
|
(kubernetes-state-update-overview-sections sections)
|
||
|
|
(kubernetes-state-trigger-redraw))
|
||
|
|
|
||
|
|
(defvar kubernetes-overview-mode-map
|
||
|
|
(let ((keymap (make-sparse-keymap)))
|
||
|
|
(define-key keymap (kbd "v") #'kubernetes-overview-set-sections)
|
||
|
|
keymap)
|
||
|
|
"Keymap for `kubernetes-overview-mode'.")
|
||
|
|
|
||
|
|
;;;###autoload
|
||
|
|
(define-derived-mode kubernetes-overview-mode kubernetes-mode "Kubernetes Overview"
|
||
|
|
"Mode for working with Kubernetes overview.
|
||
|
|
|
||
|
|
\\<kubernetes-overview-mode-map>\
|
||
|
|
Type \\[kubernetes-overview-set-sections] to choose which resources to display.
|
||
|
|
|
||
|
|
Type \\[kubernetes-mark-for-delete] to mark an object for deletion, and \\[kubernetes-execute-marks] to execute.
|
||
|
|
Type \\[kubernetes-unmark] to unmark the object at point, or \\[kubernetes-unmark-all] to unmark all objects.
|
||
|
|
|
||
|
|
Type \\[kubernetes-navigate] to inspect the object on the current line.
|
||
|
|
|
||
|
|
Type \\[kubernetes-copy-thing-at-point] to copy the thing at point.
|
||
|
|
|
||
|
|
Type \\[kubernetes-refresh] to refresh the buffer.
|
||
|
|
|
||
|
|
\\{kubernetes-overview-mode-map}"
|
||
|
|
:group 'kubernetes)
|
||
|
|
|
||
|
|
;;;###autoload
|
||
|
|
(defun kubernetes-overview ()
|
||
|
|
"Display an overview buffer for Kubernetes."
|
||
|
|
(interactive)
|
||
|
|
(let ((dir default-directory)
|
||
|
|
(buf (kubernetes-overview--initialize-buffer)))
|
||
|
|
(when kubernetes-default-overview-namespace
|
||
|
|
(kubernetes-set-namespace kubernetes-default-overview-namespace
|
||
|
|
(kubernetes-state)))
|
||
|
|
(kubernetes-commands-display-buffer buf)
|
||
|
|
(with-current-buffer buf
|
||
|
|
(cd (kubernetes-utils-up-to-existing-dir dir)))
|
||
|
|
(message (substitute-command-keys "\\<kubernetes-overview-mode-map>Type \\[kubernetes-overview-set-sections] to switch between resources, and \\[kubernetes-overview-popup] for usage."))))
|
||
|
|
|
||
|
|
|
||
|
|
(provide 'kubernetes-overview)
|
||
|
|
|
||
|
|
;;; kubernetes-overview.el ends here
|