helper recipe for checking versions

SUMMARY = "helper script"

DESCRIPTION = "compare built versions with the ones on the target system"

AUTHOR = "Elphel Inc."

HOMEPAGE = "http://www3.elphel.com/" 

LICENSE = "GPLv3"

LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/GPL-3.0;md5=c79ff39f19dfec6d293b95dea7b07891"

deltask do_fetch

deltask do_unpack

deltask do_patch

deltask do_configure 

deltask do_compile 

deltask do_install 

deltask do_populate_sysroot

deltask do_populate_lic 

deltask do_rm_work

#deltask do_build

inherit nopackages

INHIBIT_DEFAULT_DEPS = "1"

DEPENDS = ""

PACKAGES = ""

python do_run(){

  user = d.getVar('REMOTE_USER', True) 

  ip = d.getVar('REMOTE_IP', True)

  pdir = "/etc/elphel393/packages"

  localpdir = "rootfs-elphel"

  imagedir = "image"

  topdir = d.getVar('TOPDIR', True)+"/../../"

  projects_list = topdir+"projects.json"

  print("Checking packages' versions - locally built vs installed on the remote system")

  print("    Remote system: "+user+"@"+ip)

  print("    Get remote package list")

  ispdir = command_over_ssh(d,"'if [ -d "+pdir+" ]; then echo 1; else echo 0;fi'")

  remote_list = []

  if ispdir=="1":

    # print remote package list

    tmp_str = command_over_ssh(d,"'ls "+pdir+"'")

    print(tmp_str)

    tmp_list = tmp_str.split()

    for elem in tmp_list:

      remote_list.append(elem.split("-"))

  else:

    raise Exception("\033[1;37m"+user+"@"+ip+":"+pdir+": No such file or directory\033[0m")

  # projects_list/remote_list/

  import json

  with open(projects_list) as data_file:

    Projects = json.load(data_file)

  for p,v in Projects.items():

    if p==localpdir:

      for k,l in v.items():

        print("Project: "+k)

        tmp_path = topdir+localpdir+"/"+k

        if (os.path.isdir(tmp_path)):

          if (os.path.isdir(tmp_path+"/"+imagedir+pdir)):

            for root,dir,files in os.walk(tmp_path+"/"+imagedir+pdir):

              for name in files:

                tmp_name = name.split("-")

                for elem in remote_list:

                  if elem[0]==tmp_name[0]:

                    print("Names match")

                    if elem[1]==tmp_name[1]:

                      print("    versions match: "+name)

                    else:

                      bb.warn("project "+k+": package versions do not match, local: "+name+" vs remote: "+elem[0]+"-"+elem[1])

          else:

            bb.warn("project "+k+" is not built or too old")

            #raise Exception("\033[1;37mproject is not built\033[0m")

        else:

          bb.warn("project "+k+" is missing")

          #raise Exception("\033[1;37mproject is missing\033[0m")

}

addtask do_run before do_build

def command_over_ssh(d,command):

    import subprocess

    user = d.getVar('REMOTE_USER', True)

    id = d.getVar('IDENTITY_FILE', True)

    ip = d.getVar('REMOTE_IP', True)

    cmd = "ssh -i "+id+" "+user+"@"+ip+" "+command

    try:

        ret = subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)

    except subprocess.CalledProcessError:

        raise Exception("Copying to target requires access by public key. Run: \033[1;37mssh-copy-id "+REMOTE_USER+"@"+REMOTE_IP+"\033[0m")

    return ret.strip()