Version bump on 2.x to 2.8 (#370)

* Upating 2.x to 2.8 post the 2.7.0 version release

* Reverting commons-io to 2.7

Signed-off-by: Khushboo Rajput <khushbr@amazon.com>

---------

Signed-off-by: Khushboo Rajput <khushbr@amazon.com>

INSTALL.md

@@ -114,7 +114,7 @@ You can use the packaged Dockerfile and docker-compose.yml files [here](./docker
 
  2. Build and tag the Docker image with our RCA framework.
 
-    `docker build -t opensearch/pa-rca:2.7 .`
+    `docker build -t opensearch/pa-rca:2.8 .`
 
  3. Spin up a two node cluster as follows:
 

build.gradle

@@ -11,7 +11,7 @@ buildscript {
         buildVersionQualifier = System.getProperty("build.version_qualifier", "")
         buildDockerJdkVersion = System.getProperty("build.docker_jdk_ver", "11")
 
-        // 2.7.0-SNAPSHOT -> 2.7.0.0-SNAPSHOT
+        // 2.8.0-SNAPSHOT -> 2.8.0.0-SNAPSHOT
         version_tokens = opensearch_version.tokenize('-')
         opensearch_build = version_tokens[0] + '.0'
         if (buildVersionQualifier) {
@@ -464,7 +464,7 @@ task copyReaderMetricsFiles(type: Copy) {
 task buildDocker(type: Exec) {
     dependsOn(copyAllArtifacts)
     workingDir(dockerArtifactsDir)
-    commandLine 'docker', 'build', '-t', 'opensearch/pa-rca:2.7', '.', '--build-arg', "JDK_VER=${buildDockerJdkVersion}"
+    commandLine 'docker', 'build', '-t', 'opensearch/pa-rca:2.8', '.', '--build-arg', "JDK_VER=${buildDockerJdkVersion}"
 }
 
 task runDocker(type: Exec) {

docker/docker-compose.yml

@@ -13,7 +13,7 @@ version: '2.1'
 services:
   opensearch1:
     container_name: opensearch1
-    image: opensearch/pa-rca:2.7
+    image: opensearch/pa-rca:2.8
     mem_limit: 4g
     networks:
       opensearchnet:
@@ -34,7 +34,7 @@ services:
     container_name: opensearch2
     environment:
       - node.master=false
-    image: opensearch/pa-rca:2.7
+    image: opensearch/pa-rca:2.8
     mem_limit: 4g
     networks:
       - opensearchnet