Fix version extraction and always use java17 to build from source (#50)

'loose' version_check to support non-semver

tasks/compile.yml

@@ -23,13 +23,13 @@
     version: "{{ besu_git_commit }}"
 
 - name: Build Besu
-  command: ./gradlew --no-daemon --parallel clean assemble
+  shell: "JAVA_HOME=$(update-java-alternatives --list | grep 17 | tail -n 1 | awk '{print $3}') ./gradlew --no-daemon --parallel clean assemble"
   args:
     chdir: /tmp/besu
   changed_when: true
 
 - name: Get Besu Version
-  shell: "awk '/version=/ { gsub(/version=/,\"\"); print $1 }' gradle.properties"
+  shell: "basename build/distributions/*.tar.gz .tar.gz | sed 's/^besu-//'"
   args:
     chdir: /tmp/besu
   register: besu_version_cmd

tasks/install.yml

@@ -46,7 +46,7 @@
 - name: Update besu_download_url to provide support for older versions
   set_fact:
     besu_download_url: "https://hyperledger.jfrog.io/artifactory/besu-binaries/besu/{{ besu_version }}/besu-{{ besu_version }}.tar.gz"
-  when: "{{ besu_version is version('24.1.2', operator='le', version_type='semver') | bool == True}}" 
+  when: "{{ besu_version is version('24.1.2', operator='le', version_type='loose') | bool == True}}" 
 
 - name: Extract Besu source to install directory
   unarchive: