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clojure logging example
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(ns circle.logging | |
(:import (org.apache.log4j Logger | |
BasicConfigurator | |
EnhancedPatternLayout | |
Level | |
ConsoleAppender | |
FileAppender | |
SimpleLayout) | |
(org.apache.log4j.spi RootLogger)) | |
(:import (org.apache.log4j.rolling TimeBasedRollingPolicy | |
RollingFileAppender)) | |
(:import org.apache.commons.logging.LogFactory) | |
(:use [circle.db :only (default-db)]) | |
(:use [clojure.contrib.string :only (as-str)])) | |
(defn set-level [logger level] | |
(. (Logger/getLogger logger) (setLevel level))) | |
(def circle-layout (EnhancedPatternLayout. "%p [%d] %t - %c - %m%n")) | |
(defn init [] | |
(let [{:keys [db host port username password]} (default-db) | |
rolling-policy (doto (TimeBasedRollingPolicy.) | |
(.setActiveFileName "circle.log" ) | |
(.setFileNamePattern "circle-%d{yyyy-MM-dd}.log.gz") | |
(.activateOptions)) | |
log-appender (doto (RollingFileAppender.) | |
(.setRollingPolicy rolling-policy) | |
(.setLayout circle-layout) | |
(.activateOptions))] | |
(doto (Logger/getRootLogger) | |
(.removeAllAppenders) | |
(.addAppender log-appender) | |
(.addAppender (ConsoleAppender. circle-layout)))) | |
(. (Logger/getRootLogger) (setLevel Level/INFO)) | |
(set-level "jclouds.wire" Level/OFF) | |
(set-level "jclouds.signature" Level/OFF) | |
(set-level "jclouds.headers" Level/OFF) | |
(set-level "jclouds.ssh" Level/DEBUG) | |
(set-level "org.jclouds.rest.internal.AsyncRestClientProxy" Level/OFF) | |
(set-level "org.jclouds.http.internal.JavaUrlHttpCommandExecutorService" Level/OFF) | |
(set-level "org.mortbay.log" Level/INFO) | |
(set-level "org.apache.http.wire" Level/OFF) | |
(set-level "org.apache.http.headers" Level/OFF) | |
(set-level "clj-ssh.ssh" Level/WARN) | |
(set-level "com.amazonaws" Level/WARN)) | |
(defn add-file-appender [loggername filename] | |
(.addAppender (Logger/getLogger loggername) | |
(doto (FileAppender.) | |
(.setLayout circle-layout)))) |
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