Retrieve syft image tag from jenkins env vars, default to latest

Author: aptalca

ansible/roles/repository/templates/Jenkinsfile.j2

@@ -80,7 +80,11 @@ pipeline {
           env.DOCKERHUB_LINK = 'https://hub.docker.com/r/' + env.DOCKERHUB_IMAGE + '/tags/'
           env.PULL_REQUEST = env.CHANGE_ID
           env.TEMPLATED_FILES = 'Jenkinsfile README.md LICENSE .editorconfig ./.github/CONTRIBUTING.md ./.github/FUNDING.yml ./.github/ISSUE_TEMPLATE/config.yml ./.github/ISSUE_TEMPLATE/issue.bug.yml ./.github/ISSUE_TEMPLATE/issue.feature.yml ./.github/PULL_REQUEST_TEMPLATE.md{% if project_deprecation_status != true %} ./.github/workflows/external_trigger_scheduler.yml ./.github/workflows/greetings.yml ./.github/workflows/package_trigger_scheduler.yml ./.github/workflows/call_issue_pr_tracker.yml ./.github/workflows/call_issues_cron.yml ./.github/workflows/permissions.yml{% if custom_external_trigger != true %} ./.github/workflows/external_trigger.yml{% endif %}{% endif %}{% if sponsor_links is defined %} ./root/donate.txt{% endif %}{% if project_deprecation_status %} ./root/etc/s6-overlay/s6-rc.d/init-deprecate/run ./root/etc/s6-overlay/s6-rc.d/init-deprecate/up ./root/etc/s6-overlay/s6-rc.d/init-deprecate/type ./root/etc/s6-overlay/s6-rc.d/init-deprecate/dependencies.d/init-config-end ./root/etc/s6-overlay/s6-rc.d/init-services/dependencies.d/init-deprecate ./root/etc/s6-overlay/s6-rc.d/user/contents.d/init-deprecate{% endif %}'
+          if ( env.SYFT_IMAGE_TAG == null ) {
+            env.SYFT_IMAGE_TAG = 'latest'
+          }
         }
+        echo "Using syft image tag ${SYFT_IMAGE_TAG}"
         sh '''#! /bin/bash
               echo "The default github branch detected as ${GH_DEFAULT_BRANCH}" '''
         script{
@@ -1082,7 +1086,7 @@ pipeline {
               docker run --rm \
                 -v /var/run/docker.sock:/var/run/docker.sock:ro \
                 -v ${TEMPDIR}:/tmp \
-                ghcr.io/anchore/syft:latest \
+                ghcr.io/anchore/syft:${SYFT_IMAGE_TAG} \
                 ${LOCAL_CONTAINER} -o table=/tmp/package_versions.txt
               NEW_PACKAGE_TAG=$(md5sum ${TEMPDIR}/package_versions.txt | cut -c1-8 )
               echo "Package tag sha from current packages in buit container is ${NEW_PACKAGE_TAG} comparing to old ${PACKAGE_TAG} from github"
@@ -1210,6 +1214,7 @@ pipeline {
                 -e WEB_AUTH=\"${CI_AUTH}\" \
                 -e WEB_PATH=\"${CI_WEBPATH}\" \
                 -e NODE_NAME=\"${NODE_NAME}\" \
+                -e SYFT_IMAGE_TAG=\"${SYFT_IMAGE_TAG}\" \
                 -t ghcr.io/linuxserver/ci:latest \
                 python3 test_build.py'''
         }