mirror of
https://github.com/k3s-io/kubernetes.git
synced 2026-01-05 07:27:21 +00:00
Cleanup after initial PR and shading of src.
This commit is contained in:
jayunit100
@@ -1,4 +1,5 @@
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package main
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/*
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Copyright 2014 Google Inc. All rights reserved.
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@@ -18,110 +19,107 @@ limitations under the License.
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//package main
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import (
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"encoding/json"
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"net/http"
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"os"
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"strings"
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"fmt"
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"github.com/codegangsta/negroni"
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"github.com/gorilla/mux"
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"github.com/xyproto/simpleredis"
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"encoding/json"
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"fmt"
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"github.com/codegangsta/negroni"
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"github.com/gorilla/mux"
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"github.com/xyproto/simpleredis"
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"net/http"
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"os"
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"strings"
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)
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//return the path to static assets (i.e. index.html)
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func pathToStaticContents() (string) {
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var static_content = os.Getenv("STATIC_FILES");
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// Take a wild guess. This will work in dev environment.
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if static_content == "" {
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println("*********** WARNING: DIDNT FIND ENV VAR 'STATIC_FILES', guessing your running in dev.")
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static_content = "../../static/"
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} else {
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println("=========== Read ENV 'STATIC_FILES', path to assets : " + static_content);
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}
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func pathToStaticContents() string {
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var static_content = os.Getenv("STATIC_FILES")
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// Take a wild guess. This will work in dev environment.
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if static_content == "" {
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println("*********** WARNING: DIDNT FIND ENV VAR 'STATIC_FILES', guessing your running in dev.")
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static_content = "../../static/"
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} else {
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println("=========== Read ENV 'STATIC_FILES', path to assets : " + static_content)
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}
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//Die if no the static files are missing.
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_, err := os.Stat(static_content)
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if err != nil {
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println("*********** os.Stat failed on " + static_content + " This means no static files are available. Dying...");
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os.Exit(2);
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}
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return static_content;
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//Die if no the static files are missing.
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_, err := os.Stat(static_content)
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if err != nil {
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println("*********** os.Stat failed on " + static_content + " This means no static files are available. Dying...")
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os.Exit(2)
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}
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return static_content
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}
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func main() {
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var connection = os.Getenv("REDISMASTER_SERVICE_HOST")+":"+os.Getenv("REDISMASTER_SERVICE_PORT");
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var connection = os.Getenv("REDISMASTER_SERVICE_HOST") + ":" + os.Getenv("REDISMASTER_SERVICE_PORT")
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if connection == ":" {
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print("WARNING ::: If in kube, this is a failure: Missing env variable REDISMASTER_SERVICE_HOST");
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print("WARNING ::: Attempting to connect redis localhost.")
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connection="127.0.0.1:6379";
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} else {
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print("Found redis master host "+ os.Getenv("REDISMASTER_SERVICE_PORT"));
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connection = os.Getenv("REDISMASTER_SERVICE_HOST") + ":" + os.Getenv("REDISMASTER_SERVICE_PORT");
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}
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if connection == ":" {
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print("WARNING ::: If in kube, this is a failure: Missing env variable REDISMASTER_SERVICE_HOST")
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print("WARNING ::: Attempting to connect redis localhost.")
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connection = "127.0.0.1:6379"
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} else {
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print("Found redis master host " + os.Getenv("REDISMASTER_SERVICE_PORT"))
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connection = os.Getenv("REDISMASTER_SERVICE_HOST") + ":" + os.Getenv("REDISMASTER_SERVICE_PORT")
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}
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println("Now connecting to : " + connection)
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/**
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* Create a connection pool. ?The pool pointer will otherwise
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* not be of any use.?https://gist.github.com/jayunit100/1d00e6d343056401ef00
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*/
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pool = simpleredis.NewConnectionPoolHost(connection)
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println("Now connecting to : " + connection)
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/**
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* Create a connection pool. ?The pool pointer will otherwise
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* not be of any use.?https://gist.github.com/jayunit100/1d00e6d343056401ef00
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*/
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pool = simpleredis.NewConnectionPoolHost(connection)
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println("Connection pool established : " + connection)
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println("Connection pool established : " + connection)
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defer pool.Close()
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defer pool.Close()
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r := mux.NewRouter()
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r := mux.NewRouter()
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println("Router created ")
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println("Router created ")
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/**
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* Define a REST path.
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* - The parameters (key) can be accessed via mux.Vars.
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* - The Methods (GET) will be bound to a handler function.
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*/
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r.Path("/info").Methods("GET").HandlerFunc(InfoHandler)
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r.Path("/lrange/{key}").Methods("GET").HandlerFunc(ListRangeHandler)
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r.Path("/rpush/{key}/{value}").Methods("GET").HandlerFunc(ListPushHandler)
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r.Path("/llen").Methods("GET").HandlerFunc(LLENHandler)
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/**
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* Define a REST path.
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* - The parameters (key) can be accessed via mux.Vars.
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* - The Methods (GET) will be bound to a handler function.
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*/
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r.Path("/info").Methods("GET").HandlerFunc(InfoHandler)
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r.Path("/lrange/{key}").Methods("GET").HandlerFunc(ListRangeHandler)
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r.Path("/rpush/{key}/{value}").Methods("GET").HandlerFunc(ListPushHandler)
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r.Path("/llen").Methods("GET").HandlerFunc(LLENHandler)
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//for dev environment, the site is one level up...
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//for dev environment, the site is one level up...
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r.PathPrefix("/").Handler(http.FileServer(http.Dir( pathToStaticContents() )))
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r.PathPrefix("/").Handler(http.FileServer(http.Dir(pathToStaticContents())))
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r.Path("/env").Methods("GET").HandlerFunc(EnvHandler)
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r.Path("/env").Methods("GET").HandlerFunc(EnvHandler)
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list := simpleredis.NewList(pool, "k8petstore")
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HandleError(nil, list.Add("jayunit100"))
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HandleError(nil, list.Add("tstclaire"))
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HandleError(nil, list.Add("rsquared"))
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list := simpleredis.NewList(pool, "k8petstore")
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HandleError(nil, list.Add("jayunit100"))
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HandleError(nil, list.Add("tstclaire"))
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HandleError(nil, list.Add("rsquared"))
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// Verify that this is 3 on startup.
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infoL := HandleError(pool.Get(0).Do("LLEN","k8petstore")).(int64)
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fmt.Printf("\n=========== Starting DB has %d elements \n", infoL)
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if infoL < 3 {
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print("Not enough entries in DB. something is wrong w/ redis querying")
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print(infoL)
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panic("Failed ... ")
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}
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// Verify that this is 3 on startup.
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infoL := HandleError(pool.Get(0).Do("LLEN", "k8petstore")).(int64)
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fmt.Printf("\n=========== Starting DB has %d elements \n", infoL)
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if infoL < 3 {
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print("Not enough entries in DB. something is wrong w/ redis querying")
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print(infoL)
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panic("Failed ... ")
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}
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println("=========== Now launching negroni...this might take a second...")
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n := negroni.Classic()
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n.UseHandler(r)
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n.Run(":3000")
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println("Done ! Web app is now running.")
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println("=========== Now launching negroni...this might take a second...")
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n := negroni.Classic()
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n.UseHandler(r)
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n.Run(":3000")
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println("Done ! Web app is now running.")
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}
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/**
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* the Pool will be populated on startup,
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* it will be an instance of a connection pool.
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* Hence, we reference its address rather than copying.
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*/
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*/
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var pool *simpleredis.ConnectionPool
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/**
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@@ -129,79 +127,79 @@ var pool *simpleredis.ConnectionPool
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* input: key
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*
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* Writes all members to JSON.
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*/
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*/
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func ListRangeHandler(rw http.ResponseWriter, req *http.Request) {
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println("ListRangeHandler")
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println("ListRangeHandler")
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key := mux.Vars(req)["key"]
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key := mux.Vars(req)["key"]
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list := simpleredis.NewList(pool, key)
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list := simpleredis.NewList(pool, key)
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//members := HandleError(list.GetAll()).([]string)
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members := HandleError(list.GetLastN(4)).([]string)
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//members := HandleError(list.GetAll()).([]string)
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members := HandleError(list.GetLastN(4)).([]string)
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print(members)
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membersJSON := HandleError(json.MarshalIndent(members, "", " ")).([]byte)
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print(members)
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membersJSON := HandleError(json.MarshalIndent(members, "", " ")).([]byte)
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print("RETURN MEMBERS = "+string(membersJSON))
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rw.Write(membersJSON)
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print("RETURN MEMBERS = " + string(membersJSON))
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rw.Write(membersJSON)
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}
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func LLENHandler(rw http.ResponseWriter, req *http.Request) {
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println("=========== LLEN HANDLER")
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println("=========== LLEN HANDLER")
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infoL := HandleError(pool.Get(0).Do("LLEN","k8petstore")).(int64)
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fmt.Printf("=========== LLEN is %d ", infoL)
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lengthJSON := HandleError(json.MarshalIndent(infoL, "", " ")).([]byte)
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fmt.Printf("================ LLEN json is %s", infoL)
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print("RETURN LEN = "+string(lengthJSON))
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rw.Write(lengthJSON)
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infoL := HandleError(pool.Get(0).Do("LLEN", "k8petstore")).(int64)
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fmt.Printf("=========== LLEN is %d ", infoL)
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lengthJSON := HandleError(json.MarshalIndent(infoL, "", " ")).([]byte)
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fmt.Printf("================ LLEN json is %s", infoL)
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print("RETURN LEN = " + string(lengthJSON))
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rw.Write(lengthJSON)
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}
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func ListPushHandler(rw http.ResponseWriter, req *http.Request) {
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println("ListPushHandler")
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println("ListPushHandler")
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/**
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* Expect a key and value as input.
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*
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*/
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key := mux.Vars(req)["key"]
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value := mux.Vars(req)["value"]
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/**
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* Expect a key and value as input.
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*
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*/
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key := mux.Vars(req)["key"]
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value := mux.Vars(req)["value"]
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println("New list " + key + " " + value)
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list := simpleredis.NewList(pool, key)
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HandleError(nil, list.Add(value))
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ListRangeHandler(rw, req)
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println("New list " + key + " " + value)
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list := simpleredis.NewList(pool, key)
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HandleError(nil, list.Add(value))
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ListRangeHandler(rw, req)
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}
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func InfoHandler(rw http.ResponseWriter, req *http.Request) {
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println("InfoHandler")
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println("InfoHandler")
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info := HandleError(pool.Get(0).Do("INFO")).([]byte)
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rw.Write(info)
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info := HandleError(pool.Get(0).Do("INFO")).([]byte)
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rw.Write(info)
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}
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func EnvHandler(rw http.ResponseWriter, req *http.Request) {
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println("EnvHandler")
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println("EnvHandler")
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environment := make(map[string]string)
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for _, item := range os.Environ() {
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splits := strings.Split(item, "=")
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key := splits[0]
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val := strings.Join(splits[1:], "=")
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environment[key] = val
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}
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environment := make(map[string]string)
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for _, item := range os.Environ() {
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splits := strings.Split(item, "=")
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key := splits[0]
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val := strings.Join(splits[1:], "=")
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environment[key] = val
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}
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envJSON := HandleError(json.MarshalIndent(environment, "", " ")).([]byte)
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rw.Write(envJSON)
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envJSON := HandleError(json.MarshalIndent(environment, "", " ")).([]byte)
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rw.Write(envJSON)
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}
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func HandleError(result interface{}, err error) (r interface{}) {
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if err != nil {
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print("ERROR : " + err.Error())
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//panic(err)
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}
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return result
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if err != nil {
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print("ERROR : " + err.Error())
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//panic(err)
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}
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return result
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}
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