Updated microdnf command line for use with linux 9 which does not assume yes by default (#434)

Author: ddsharpe

imagetool/src/main/java/com/oracle/weblogic/imagetool/cli/menu/CommonOptions.java

@@ -223,6 +223,10 @@ public void copyOptionsFromImage() throws IOException, InterruptedException {
 
             PackageManagerType pkgMgr = PackageManagerType.valueOf(pkgMgrProp);
             logger.fine("fromImage package manager {0}", pkgMgr);
+            if (pkgMgr == PackageManagerType.MICRODNF && os.version() != null && os.version().startsWith("8")) {
+                logger.fine("Using older style format for microdnf for linux 8. ver={0}", os.version());
+                pkgMgr = PackageManagerType.MICRODNF_8;
+            }
             if (packageManager != PackageManagerType.OS_DEFAULT && pkgMgr != packageManager) {
                 // If the user is overriding the detected package manager, use the provided value
                 logger.info("IMG-0079", pkgMgr, packageManager);

imagetool/src/main/java/com/oracle/weblogic/imagetool/cli/menu/PackageManagerType.java

@@ -9,6 +9,7 @@ public enum PackageManagerType {
     YUM,
     DNF,
     MICRODNF,
+    MICRODNF_8,
     APTGET,
     APK,
     ZYPPER

imagetool/src/main/java/com/oracle/weblogic/imagetool/util/DockerfileOptions.java

@@ -299,7 +299,7 @@ public DockerfileOptions setPackageInstaller(PackageManagerType option) {
                 pkgMgr = PackageManagerType.NONE;
             } else {
                 // This default must match the Package Manager for the configured fromImage default in baseImageName
-                pkgMgr = PackageManagerType.MICRODNF;
+                pkgMgr = PackageManagerType.MICRODNF_8;
             }
         } else {
             pkgMgr = option;
@@ -317,6 +317,11 @@ public boolean useMicroDnf() {
         return pkgMgr == PackageManagerType.MICRODNF;
     }
 
+    @SuppressWarnings("unused")
+    public boolean useMicroDnf8() {
+        return pkgMgr == PackageManagerType.MICRODNF_8;
+    }
+
     @SuppressWarnings("unused")
     public boolean useDnf() {
         return pkgMgr == PackageManagerType.DNF;

imagetool/src/main/resources/docker-files/package-managers.mustache

@@ -17,10 +17,15 @@
     && dnf clean all
 {{/useDnf}}
 {{#useMicroDnf}}
+    RUN microdnf -y update \
+    && microdnf -y install gzip tar unzip libaio libnsl jq findutils diffutils shadow-utils {{#osPackages}}{{{.}}} {{/osPackages}}\
+    && microdnf clean all
+{{/useMicroDnf}}
+{{#useMicroDnf8}}
     RUN microdnf update \
     && microdnf install gzip tar unzip libaio libnsl jq findutils diffutils shadow-utils {{#osPackages}}{{{.}}} {{/osPackages}}\
     && microdnf clean all
-{{/useMicroDnf}}
+{{/useMicroDnf8}}
 {{#useAptGet}}
     RUN apt-get -y update \
     && apt-get -y upgrade \