---
  chain:
    -
      name: "branch_st2"
      ref: "st2cd.git_create_branch"
      params:
        repo:  "{{st2_repo_target}}"
        branch: "{{st2_release_branch}}"
        base_branch: "master"
        hosts: "{{build_host}}"
        timeout: 60
      on-success: "set_verson_in_st2_common"
    -
      name: "set_verson_in_st2_common"
      ref: "s2tcd.st2_set_version_info"
      params:
        repo: "{{st2_repo_target}}"
        branch: "{{st2_release_branch}}"
        version: "{{st2_release_version}}"
      on-success: "set_release_info_in_changelog"
    -
      name: "set_release_info_in_changelog"
      ref: "st2cd.st2_set_changelog_release_date"
      params:
        repo: "{{st2_repo_target}}"
        branch: "{{st2_release_branch}}"
        version: "{{st2_release_version}}"
      on-success: "push_st2_release_branch_to_remote"
    -
      name: "push_st2_release_branch_to_remote"
      ref: "st2cd.git_push_branch"
      params:
        repo: "{{st2_repo_target}}"
        branch: "{{st2_release_branch}}"
  default: branch_st2

---
  chain:
    -
      name: "branch_st2"
      ref: "st2cd.git_create_branch"
      params:
        repo:  "{{st2_repo_target}}"
        branch: "{{st2_release_branch}}"
        base_branch: "master"
        hosts: "{{build_host}}"
      on-success: "set_verson_in_st2_common"
    -
      name: "set_verson_in_st2_common"
      ref: "s2tcd.st2_set_version_info"
      params:
        repo: "{{st2_repo_target}}"
        branch: "{{st2_release_branch}}"
        version: "{{st2_release_version}}"
        hosts: "{{build_host}}"
      on-success: "set_release_info_in_changelog"
    -
      name: "set_release_info_in_changelog"
      ref: "st2cd.st2_set_changelog_release_date"
      params:
        repo: "{{st2_repo_target}}"
        branch: "{{st2_release_branch}}"
        version: "{{st2_release_version}}"
        hosts: "{{build_host}}"
      on-success: "push_st2_release_branch_to_remote"
    -
      name: "push_st2_release_branch_to_remote"
      ref: "st2cd.git_push_branch"
      params:
        repo: "{{st2_repo_target}}"
        branch: "{{st2_release_branch}}"
        hosts: "{{build_host}}"
  default: branch_st2

Add hosts param to workflow
Add hosts param to workflow
