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(ns dev-tools
(:require [puppetlabs.trapperkeeper.services.webserver.jetty9-service :refer [jetty9-service]]
[puppetlabs.trapperkeeper.services.webrouting.webrouting-service :refer [webrouting-service]]
[puppetlabs.services.master.master-service :refer [master-service]]
[puppetlabs.services.request-handler.request-handler-service :refer [request-handler-service]]
[puppetlabs.services.jruby.jruby-puppet-service :refer [jruby-puppet-pooled-service]]
[puppetlabs.services.jruby.puppet-environments :as puppet-env]
[puppetlabs.services.puppet-profiler.puppet-profiler-service :refer [puppet-profiler-service]]
[puppetlabs.services.config.puppet-server-config-service :refer [puppet-server-config-service]]
[puppetlabs.services.ca.certificate-authority-service :refer [certificate-authority-service]]
[puppetlabs.services.puppet-admin.puppet-admin-service :refer [puppet-admin-service]]
[puppetlabs.services.legacy-routes.legacy-routes-service :refer [legacy-routes-service]]
[puppetlabs.trapperkeeper.services.authorization.authorization-service :refer [authorization-service]]
[puppetlabs.services.versioned-code-service.versioned-code-service :refer [versioned-code-service]]
[puppetlabs.services.jruby-pool-manager.jruby-pool-manager-service :refer [jruby-pool-manager-service]]
[puppetlabs.trapperkeeper.services.scheduler.scheduler-service :refer [scheduler-service]]
[puppetlabs.trapperkeeper.services.status.status-service :refer [status-service]]
[puppetlabs.trapperkeeper.core :as tk]
[puppetlabs.trapperkeeper.app :as tka]
[clojure.tools.namespace.repl :refer (refresh)]
[clojure.pprint :as pprint]
[puppetlabs.services.protocols.jruby-puppet :as jruby-protocol]
[puppetlabs.services.jruby-pool-manager.jruby-core :as jruby-core]
[puppetlabs.trapperkeeper.bootstrap :as bootstrap]
[puppetlabs.trapperkeeper.config :as config]
[puppetlabs.services.jruby.jruby-metrics-core :as jruby-metrics-core]
[puppetlabs.metrics :as metrics]
[puppetlabs.metrics.http :as http-metrics]
[puppetlabs.trapperkeeper.services :as tk-services]
[puppetlabs.services.puppet-profiler.puppet-profiler-core :as puppet-profiler-core])
(:import (java.io File)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Configuration
(defn get-default-config
[]
(config/load-config "./dev/puppetserver.conf"))
(defn get-config
"This function is required by the Puppet clojure repo best practices guide. It
will be called during the bootstrapping of the application via `go`, and will
be passed as an argument a copy of the default configuration map for the dev
environment for the app; users may override the implementation function in their
`user.clj` to make customizations to the configuration map."
[default-config]
default-config)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Basic system life cycle
(def ^:private system nil)
(defn- init []
(alter-var-root #'system
(fn [_] (tk/build-app
(bootstrap/parse-bootstrap-config! "./dev/bootstrap.cfg")
(get-config (get-default-config)))))
(alter-var-root #'system tka/init)
(tka/check-for-errors! system))
(defn- start []
(alter-var-root #'system
(fn [s] (if s (tka/start s))))
(tka/check-for-errors! system))
(defn stop
"Stop the running server"
[]
(alter-var-root #'system
(fn [s] (when s (tka/stop s)))))
(defn go
"Initialize and start the server"
[]
(init)
(start))
(defn reset
"Stop the running server, reload code, and restart."
[]
(stop)
(refresh :after 'dev-tools/go))
(defn help
"Prints a list of all of the public functions and their docstrings"
[]
(let [fns (ns-publics 'dev-tools)]
(doseq [f fns]
;; TODO; inspect arglists
(println (format "(%s): %s\n"
(key f)
(-> (val f) meta :doc))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Utilities for interacting with running system
(defn context
"Get the current TK application context. Accepts an optional array
argument, which is treated as a sequence of keys to retrieve a nested
subset of the map (a la `get-in`)."
([]
(context []))
([keys]
(get-in @(tka/app-context system) keys)))
(defn print-context
"Pretty-print the current TK application context. Accepts an optional
array of keys (a la `get-in`) to print a nested subset of the context."
([]
(print-context []))
([keys]
(pprint/pprint (context keys))))
(defn jruby-pool
"Returns a reference to the current pool of JRuby interpreters."
[]
(jruby-core/registered-instances (context [:service-contexts :JRubyPuppetService :pool-context])))
(defn- puppet-environment-state
"Given a JRuby instance, return the state information about the environments
that it is aware of."
[jruby-instance]
{:jruby-instance-id (:id jruby-instance)
:environment-states (-> jruby-instance
:environment-registry
puppet-env/environment-state
deref)})
(defn print-puppet-environment-states
"Print state information about the environments that each JRuby instance is
aware of."
[]
(pprint/pprint
(map puppet-environment-state (jruby-pool))))
(defn mark-environment-expired!
"Mark the specified environment, on all JRuby instances, stale so that it will
be flushed from the environment cache."
[env-name]
(jruby-protocol/mark-environment-expired!
(tka/get-service system :JRubyPuppetService)
env-name))
(defn mark-all-environments-expired!
"Mark all environments, on all JRuby instances, stale so that they will
be flushed from the environment cache."
[]
(jruby-protocol/mark-all-environments-expired!
(tka/get-service system :JRubyPuppetService)))
(defn flush-jruby-pool!
"Flush and repopulate the JRuby pool"
[]
(jruby-protocol/flush-jruby-pool!
(tka/get-service system :JRubyPuppetService)))
(defn print-puppet-profiler-metrics
"Print metrics data about function calls, resources, catalog compile and file
metadata inlining."
[]
(let [metrics-profiler (get-in (context)
[:service-contexts
:PuppetProfilerService
:profiler])
metrics (:experimental (puppet-profiler-core/assoc-metrics-data
{}
metrics-profiler))]
(pprint/pprint metrics)))
(defn print-http-request-stats
"Print metrics data about requests we've handled, sorted in descending order
of time spent."
[]
(let [metrics (-> (tka/get-service system :MasterService)
tk-services/service-context
:http-metrics)
request-stats (http-metrics/request-summary metrics)]
(pprint/pprint (:sorted-routes request-stats))))
(defn print-jruby-metrics
[]
(pprint/pprint (context [:service-contexts :JRubyMetricsService :metrics]))
(pprint/pprint
(let [{:keys [num-jrubies num-free-jrubies requested-count requested-jrubies-histo
borrow-count borrow-timeout-count borrow-retry-count
return-count free-jrubies-histo borrow-timer wait-timer
requested-instances borrowed-instances
lock-wait-timer lock-held-timer]}
(context [:service-contexts :JRubyMetricsService :metrics])]
{:num-jrubies (.getValue num-jrubies)
:num-free-jrubies (.getValue num-free-jrubies)
:requested-count (.getCount requested-count)
:borrow-count (.getCount borrow-count)
:borrow-timeout-count (.getCount borrow-timeout-count)
:borrow-retry-count (.getCount borrow-retry-count)
:return-count (.getCount return-count)
:average-requested-jrubies (metrics/mean requested-jrubies-histo)
:average-free-jrubies (metrics/mean free-jrubies-histo)
:average-borrow-time (metrics/mean-millis borrow-timer)
:average-wait-time (metrics/mean-millis wait-timer)
:requested-instances (jruby-metrics-core/requested-instances-info
(vals @requested-instances))
:borrowed-instances (jruby-metrics-core/requested-instances-info
(vals @borrowed-instances))
:num-pool-locks (.getCount lock-held-timer)
:average-lock-wait-time (metrics/mean-millis lock-wait-timer)
:average-lock-held-time (metrics/mean-millis lock-held-timer)})))
(defn print-interesting-metrics
[]
(print-puppet-profiler-metrics)
(print-http-request-stats)
(print-jruby-metrics))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Allow user overrides
;; This code will load `user.repl` if it exists, allowing the user to override
;; functions in this namespace. For an example, see `user.clj.sample`. This
;; is usually used to provide an alternate implementation of `get-config`.
(let [user-overrides (File. "./dev/user.clj")]
(if (.exists user-overrides)
(load-file (.getAbsolutePath user-overrides))))
|
