웹 개발과 관련된 모든 것들

* 컨테이너 커밋은 기 Container 파일내에 변경 사항에 대한 내용을 image 화 하는 방식임.

1.  Docker 컨터이너 커밋
   - docker에서 작업한 컨테이너를 그대로 저장합니다.
     (별도로 기본 이미지에서 변경한 내역이 있을 때 사용)
   
   - docker commit [CONTAINER] [백업할 IMAGE_NAME]
   - 예)
   [root@localhost ~]# docker ps
CONTAINER ID        IMAGE                                                COMMAND                  CREATED             STATUS              PORTS                                                                           NAMES
2df5d23dbe0e        docker.test.io:8081/solution-was/2.1/x64:latest         "/bin/sh -c /run.sh"     4 months ago        Up 5 minutes        0.0.0.0:8888->8080/tcp                                                          docker_was_1
509d8e8f79c6        docker.test.io:8081/solution-dtg/2.1/x64:latest         "/bin/sh -c /run.sh"     4 months ago        Up 5 minutes        1337/tcp                                                                        docker_dtg_1
22bc42e1e8f7        docker.test.io:8081/solution-mhp/2.0/x64:latest         "/bin/sh -c /run.sh"     4 months ago        Up 5 minutes        1335/tcp, 1337/tcp, 1339-1341/tcp, 3882/tcp, 0.0.0.0:9900-9999->9900-9999/tcp   docker_mhp_1
dfce80fcd38f        docker.test.io:8081/solution-geoserver/2.2/x64:latest   "/bin/sh -c /run.sh"     4 months ago        Up 5 minutes        8080/tcp                                                                        docker_geoserver_1
eb18ba2b9010        postgres:10.5                                        "docker-entrypoint..."   4 months ago        Up 5 minutes        5432/tcp                                                                        docker_postgresdb_1
2c8ec75d22ed        cassandra:3.11.3                                     "docker-entrypoint..."   4 months ago        Up 5 minutes        7000-7001/tcp, 7199/tcp, 9042/tcp, 9160/tcp                                     docker_cassandra_1
a427d7f36829        mongo:3.4                                            "docker-entrypoint..."   4 months ago        Up 5 minutes        0.0.0.0:27017->27017/tcp                                                        docker_mongodb_1

   위의 내용에서 docker_was_1 컨테이너를 commit할 예정
   
   [root@localhost ~]# docker images
REPOSITORY                                    TAG                 IMAGE ID            CREATED             SIZE
docker.test.io:8081/solution-was/2.1/x64         latest              a85e7acc572a        6 months ago        1.23 GB
docker.io/solution/test-adp                      dev                 46312c34dd22        6 months ago        1.35 GB
docker.io/solution/test-dataengine               dev                 efa6b96652f1        7 months ago        519 MB
docker.test.io:8081/solution-mhp/2.0/x64         latest              f0589f2e98fa        7 months ago        1.3 GB
docker.io/cassandra                           3.11.3              8ea89760ce2b        7 months ago        323 MB
docker.io/mongo                               3.4                 9467ec7b04e5        7 months ago        361 MB
docker.test.io:8081/solution-dtg/2.1/x64         latest              6772091689dc        7 months ago        1.09 GB
docker.test.io:8081/solution-geoserver/2.2/x64   latest              7148066bbeba        7 months ago        1.4 GB
docker.io/postgres                            10.5                3fce051f5a48        8 months ago        228 MB
docker.io/solution/test-mariadb                  10.2                43eb83900c8a        15 months ago       1.15 GB

  [root@localhost ~]# docker commit docker_was_1 docker.test.io:8081/solution-was/2.1/x64:latest
sha256:b4fd018ea938c46eae246ca8f6daa586c7216919b4be21a0e980bf05fca82dc0
[root@localhost ~]#

  위의 보이는 것처럼 b4fd018ea938c46eae246ca8f6daa586c7216919b4be21a0e980bf05fca82dc0 이름으로 이미지가 생성됩니다.
  
  [root@localhost ~]# docker images
REPOSITORY                                    TAG                 IMAGE ID            CREATED             SIZE
docker.test.io:8081/solution-was/2.1/x64         latest              b4fd018ea938        10 seconds ago      1.23 GB
docker.test.io:8081/solution-was/2.1/x64                       a85e7acc572a        6 months ago        1.23 GB
docker.io/solution/test-adp                      dev                 46312c34dd22        6 months ago        1.35 GB
docker.io/solution/test-dataengine               dev                 efa6b96652f1        7 months ago        519 MB
docker.test.io:8081/solution-mhp/2.0/x64         latest              f0589f2e98fa        7 months ago        1.3 GB
docker.io/cassandra                           3.11.3              8ea89760ce2b        7 months ago        323 MB
docker.io/mongo                               3.4                 9467ec7b04e5        7 months ago        361 MB
docker.test.io:8081/solution-dtg/2.1/x64         latest              6772091689dc        7 months ago        1.09 GB
docker.test.io:8081/solution-geoserver/2.2/x64   latest              7148066bbeba        7 months ago        1.4 GB
docker.io/postgres                            10.5                3fce051f5a48        8 months ago        228 MB
docker.io/solution/test-mariadb                  10.2                43eb83900c8a        15 months ago       1.15 GB


  - 만든 이미지의 임의의 이름 부여
  [root@localhost ~]# docker tag docker.test.io:8081/solution-was/2.1/x64 mydocker_last

  - 내역 조회
  [root@localhost ~]# docker images
REPOSITORY                                    TAG                 IMAGE ID            CREATED              SIZE
docker.test.io:8081/solution-was/2.1/x64         latest              b4fd018ea938        About a minute ago   1.23 GB
mydocker_last                                 latest              b4fd018ea938        About a minute ago   1.23 GB
docker.test.io:8081/solution-was/2.1/x64                       a85e7acc572a        6 months ago         1.23 GB
docker.io/solution/test-adp                      dev                 46312c34dd22        6 months ago         1.35 GB
docker.io/solution/test-dataengine               dev                 efa6b96652f1        7 months ago         519 MB
docker.test.io:8081/solution-mhp/2.0/x64         latest              f0589f2e98fa        7 months ago         1.3 GB
docker.io/cassandra                           3.11.3              8ea89760ce2b        7 months ago         323 MB
docker.io/mongo                               3.4                 9467ec7b04e5        7 months ago         361 MB
docker.test.io:8081/solution-dtg/2.1/x64         latest              6772091689dc        7 months ago         1.09 GB
docker.test.io:8081/solution-geoserver/2.2/x64   latest              7148066bbeba        7 months ago         1.4 GB
docker.io/postgres                            10.5                3fce051f5a48        8 months ago         228 MB
docker.io/solution/test-mariadb                  10.2                43eb83900c8a        15 months ago        1.15 GB

     
 
2. docker 이미지 백업 및 배포

위에서 만든 mydocker_last 이미지를 백업 받습니다.

[root@localhost ~]# docker save -o mydocker_last_20190626.tar mydocker_last

[root@localhost ~]# ls -lsa mydocker*.tar
1229636 -rw------- 1 root root 1259146752 Jun 26 04:06 mydocker_last_20190626.tar


위의 생성된 내역을 기준으로

* 사전에 docker-compose로 전체를 내리고 수행 필요

a. docker rm [컨테이너 삭제]
b. docker rmi [이미지 삭제]

이미지 로드

[root@localhost ~]# docker load -i mydocker_last_20190626.tar
9186e1e3577e: Loading layer [==================================================>] 4.608 kB/4.608 kB
5e98fb5934af: Loading layer [==================================================>] 157.5 MB/157.5 MB
f33686d99dec: Loading layer [==================================================>] 2.048 kB/2.048 kB
f30a15d54bfb: Loading layer [==================================================>] 2.048 kB/2.048 kB
825ca8132690: Loading layer [==================================================>]  29.7 kB/29.7 kB
Loaded image: mydocker_last:latest
[root@localhost ~]# docker images
REPOSITORY                                    TAG                 IMAGE ID            CREATED             SIZE
mydocker_last                                 latest              b4fd018ea938        12 minutes ago      1.23 GB
docker.io/solution/test-adp                      dev                 46312c34dd22        6 months ago        1.35 GB
docker.io/solution/test-dataengine               dev                 efa6b96652f1        7 months ago        519 MB
docker.test.io:8081/solution-mhp/2.0/x64         latest              f0589f2e98fa        7 months ago        1.3 GB
docker.io/cassandra                           3.11.3              8ea89760ce2b        7 months ago        323 MB
docker.io/mongo                               3.4                 9467ec7b04e5        7 months ago        361 MB
docker.test.io:8081/solution-dtg/2.1/x64         latest              6772091689dc        7 months ago        1.09 GB
docker.test.io:8081/solution-geoserver/2.2/x64   latest              7148066bbeba        7 months ago        1.4 GB
docker.io/postgres                            10.5                3fce051f5a48        8 months ago        228 MB
docker.io/solution/test-mariadb                  10.2                43eb83900c8a        15 months ago       1.15 GB


기존 명칭으로 mydocker_last를 변경

 # docker tag mydocker_last docker.test.io:8081/solution-was/2.1/x64 
 
 [root@localhost ~]# docker images
REPOSITORY                                    TAG                 IMAGE ID            CREATED             SIZE
docker.test.io:8081/solution-was/2.1/x64         latest              b4fd018ea938        13 minutes ago      1.23 GB
mydocker_last                                 latest              b4fd018ea938        13 minutes ago      1.23 GB
docker.io/solution/test-adp                      dev                 46312c34dd22        6 months ago        1.35 GB
docker.io/solution/test-dataengine               dev                 efa6b96652f1        7 months ago        519 MB
docker.test.io:8081/solution-mhp/2.0/x64         latest              f0589f2e98fa        7 months ago        1.3 GB
docker.io/cassandra                           3.11.3              8ea89760ce2b        7 months ago        323 MB
docker.io/mongo                               3.4                 9467ec7b04e5        7 months ago        361 MB
docker.test.io:8081/solution-dtg/2.1/x64         latest              6772091689dc        7 months ago        1.09 GB
docker.test.io:8081/solution-geoserver/2.2/x64   latest              7148066bbeba        7 months ago        1.4 GB
docker.io/postgres                            10.5                3fce051f5a48        8 months ago        228 MB
docker.io/solution/test-mariadb                  10.2                43eb83900c8a        15 months ago       1.15 GB

복제된 기존 태그 삭제
[root@localhost ~]# docker rmi mydocker_last
Untagged: mydocker_last:latest
[root@localhost ~]# docker images
REPOSITORY                                    TAG                 IMAGE ID            CREATED             SIZE
docker.test.io:8081/solution-was/2.1/x64         latest              b4fd018ea938        14 minutes ago      1.23 GB
docker.io/solution/test-adp                      dev                 46312c34dd22        6 months ago        1.35 GB
docker.io/solution/test-dataengine               dev                 efa6b96652f1        7 months ago        519 MB
docker.test.io:8081/solution-mhp/2.0/x64         latest              f0589f2e98fa        7 months ago        1.3 GB
docker.io/cassandra                           3.11.3              8ea89760ce2b        7 months ago        323 MB
docker.io/mongo                               3.4                 9467ec7b04e5        7 months ago        361 MB
docker.test.io:8081/solution-dtg/2.1/x64         latest              6772091689dc        7 months ago        1.09 GB
docker.test.io:8081/solution-geoserver/2.2/x64   latest              7148066bbeba        7 months ago        1.4 GB
docker.io/postgres                            10.5                3fce051f5a48        8 months ago        228 MB
docker.io/solution/test-mariadb                  10.2                43eb83900c8a        15 months ago       1.15 GB

File Writing 부분은 작성하지 않았음...

여러모로 문제가 있음

참고용...

import java.net.URLEncoder;
 
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.*;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList; 
 
public class getMsrstnAcctoRltmMesureDnsty {
 

    // tag값의 정보를 가져오는 메소드
private static String getTagValue(String tag, Element eElement) {
    NodeList nlList = eElement.getElementsByTagName(tag).item(0).getChildNodes();
    Node nValue = (Node) nlList.item(0);
    if(nValue == null) 
        return null;
    return nValue.getNodeValue();
}

public static void main(String[] args) {
int page = 1; // 페이지 초기값 
     int totalCount = 0; // 전체 건수
    
     int nowCnt = 0; // 현재 페이지의 건수
    
     // JSON Object 
     JSONArray jitem = new JSONArray(); 
    
    
    
try{
while(true){

 // 서비스 인증키입니다. 공공데이터포털에서 제공해준 인증키를 넣어주시면 됩니다.         
            String serviceKey = "키입력";
             
             
            // 한페이지에서 읽어올 개수
            String numOfRows   = "5";         
            
            // 한글은 encoding 수행합니다.
         String stationName = URLEncoder.encode("종로구", "UTF-8");
         String ver         = "1.0";
         String dataTerm    = "DAILY";
         String RtnType     = "XML";
    
     StringBuffer jsonSb = null;
        
        
            String urlStr = "http://openapi.airkorea.or.kr/"
                    + "openapi/services/rest/ArpltnInforInqireSvc/getMsrstnAcctoRltmMesureDnsty"
                    + "?"
                    + "ServiceKey="  + serviceKey
                    + "&stationName=" + stationName
                    + "&dataTerm="  + dataTerm 
                    + "&pageNo=" + page
                    + "&numOfRows=" + numOfRows                    
                    + "&ver=" + ver 
                    + "&_retrunType=" + RtnType
                    ;
            
DocumentBuilderFactory dbFactoty = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactoty.newDocumentBuilder(); 
Document doc = dBuilder.parse(urlStr);



if ( page == 1 ) { 
// 파싱할 tag
NodeList nListT = doc.getElementsByTagName("body");

Node nNodeT = nListT.item(0);
if(nNodeT.getNodeType() == Node.ELEMENT_NODE){

Element eElementT = (Element) nNodeT; 

totalCount = Integer.parseInt(getTagValue("totalCount", eElementT));
} // for end

}

// root tag 
doc.getDocumentElement().normalize();  

// 파싱할 tag
NodeList nList = doc.getElementsByTagName("item");


//JSONObject
for(int temp = 0; temp < nList.getLength(); temp++){
Node nNode = nList.item(temp);
if(nNode.getNodeType() == Node.ELEMENT_NODE){

Element eElement = (Element) nNode;

JSONObject jobj = new JSONObject();


jobj.put("dataTime",  getTagValue("dataTime", eElement).toString());
// jobj.put("so2Value",  Float.parseFloat(getTagValue("so2Value", eElement).toString()));
// jobj.put("coValue",   Float.parseFloat(getTagValue("coValue", eElement).toString()));
// jobj.put("o3Value",   Float.parseFloat(getTagValue("o3Value", eElement).toString()));
// jobj.put("pm10Value", Float.parseFloat(getTagValue("pm10Value", eElement).toString()));
// jobj.put("pm25Value", Float.parseFloat(getTagValue("pm25Value", eElement).toString()));
// jobj.put("khaiValue", Float.parseFloat(getTagValue("khaiValue", eElement).toString()));
// jobj.put("khaiGrade", Float.parseFloat(getTagValue("khaiGrade", eElement).toString()));
// jobj.put("so2Grade",  Float.parseFloat(getTagValue("so2Grade", eElement).toString()));
// jobj.put("coGrade",   Float.parseFloat(getTagValue("coGrade", eElement).toString()));
// jobj.put("o3Grade",   Float.parseFloat(getTagValue("o3Grade", eElement).toString()));
// jobj.put("no2Grade",  Float.parseFloat(getTagValue("no2Grade", eElement).toString()));
// jobj.put("pm10Grade", Float.parseFloat(getTagValue("pm10Grade", eElement).toString()));
// jobj.put("pm25Grade", Float.parseFloat(getTagValue("pm25Grade", eElement).toString()));

jobj.put("so2Value",  getTagValue("so2Value", eElement).toString());
jobj.put("coValue",   getTagValue("coValue", eElement).toString());
jobj.put("o3Value",   getTagValue("o3Value", eElement).toString());
jobj.put("pm10Value", getTagValue("pm10Value", eElement).toString());
jobj.put("pm25Value", getTagValue("pm25Value", eElement).toString());
jobj.put("khaiValue", getTagValue("khaiValue", eElement).toString());
jobj.put("khaiGrade", getTagValue("khaiGrade", eElement).toString());
jobj.put("so2Grade",  getTagValue("so2Grade", eElement).toString());
jobj.put("coGrade",   getTagValue("coGrade", eElement).toString());
jobj.put("o3Grade",   getTagValue("o3Grade", eElement).toString());
jobj.put("no2Grade",  getTagValue("no2Grade", eElement).toString());
jobj.put("pm10Grade", getTagValue("pm10Grade", eElement).toString());
jobj.put("pm25Grade", getTagValue("pm25Grade", eElement).toString());

  JSONParser jsonParser = new JSONParser();
jitem.add(jsonParser.parse(jobj.toJSONString()));

    
} // for end
} // if end



nowCnt = page * Integer.parseInt(numOfRows);

page += 1;

 
if(nowCnt > totalCount){
break;
}
} // while end

} catch (Exception e){
e.printStackTrace();
} // try~catch end

System.out.println("[message]:" + jitem.toJSONString());
System.out.println("End of Main");
} // main end 
   
  }