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update-link.py
1 #!/usr/bin/python 2 import sys, os 3 import argparse 4 import subprocess 5 from distutils.version import LooseVersion 6 import re 7 def main(): 8 kwargs = parse_argv(sys.argv[1:]) 9 module = kwargs.module[0] 10 version = None if kwargs.version ==None else kwargs.version[0] 11 product_dir = '/opt/repo/env/'+module if kwargs.product_dir ==None 12 else os.path.join(kwargs.product_dir[0], module) 13 if not os.path.isdir(product_dir): 14 raise Exception('Not a valid product directory: ' + product_dir) 15 16 target = get_path(product_dir, version) 17 if not os.path.isdir(target): 18 raise Exception('Can not find target directory: ' +target) 19 20 link_name = '/opt/'+module 21 if os.path.isdir(os.path.dirname(link_name)) != True: 22 os.makedirs(os.path.dirname(link_name), 0755) 23 if os.path.exists(link_name): 24 if os.path.islink(link_name): 25 os.remove(link_name) 26 else: 27 raise Exception("Remove old link error, not a link: "+link_name) 28 29 cmd = ['ln', '-s', target, link_name] 30 returncode = subprocess.call(cmd) 31 if returncode != 0: 32 raise Exception('Cmd false: ' + ' '.join(cmd)) 33 34 def get_path(product_dir, version): 35 if version == None: 36 if len(os.listdir(product_dir)) == 0: 37 raise Exception('Empty directory: ' + product_dir) 38 version = LooseVersion('0.0.0.0') 39 dir_names = [f for f in os.listdir(product_dir) if 40 re.match('^(d+.){3}d+', f)] 41 for f in dir_names: 42 tmp = LooseVersion(f) 43 if version < tmp: 44 version = tmp 45 version = version.__str__() 46 return os.path.join(product_dir, version) 47 def parse_argv(argv): 48 parser = argparse.ArgumentParser( 49 description='''update link for module.''') 50 parser.add_argument('--module', nargs=1, required=True, 51 help='''module to unpack.''') 52 parser.add_argument('--product-dir', nargs=1, 53 help='''directory that contain all versions of product.''') 54 parser.add_argument('--version', nargs=1) 55 56 57 return parser.parse_args(argv) 58 if __name__ == '__main__': 59 main()
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main.yml
1 - name: check app install status 2 stat: path=/opt/tomcat_hive/bin 3 register: hive_install_status 4 - name: install app if needed 5 shell: echo " backend have not been installed!" 6 when: hive_install_status.stat.exists == False 7 - name: stop exist process 8 shell: /opt/tomcat_hive/bin/shutdown.sh --force 9 environment: 10 JAVA_HOME: /usr/java/jdk1.8.0_141 11 when: hive_install_status.stat.exists 12 ignore_errors: True 13 - name: install hive backend by pip 14 pip: name=sdn-portal-backend state=present extra_args="-i http://pypi.XXX.com/ci/dev/+simple --trusted-host pypi.XXX.com --no-cache -t /opt/repo/env/dev/portal_backend" 15 - name: remove exist link 16 file: path=/opt/dev/portal_backend state=absent 17 - name: make sure dir exists 18 file: path=/opt/script/setup state=directory mode="u=rwx,g=rx,o=rx" 19 - name: make sure py script exists 20 copy: src=update-link.py dest=/opt/script/setup/update-link.py mode="u=rwx,g=rx,o=rx" 21 - name: update oss backend 22 shell: python /opt/script/setup/update-link.py --module dev/portal_backend 23 - name: startup oss backend 24 shell: nohup /opt/tomcat_hive/bin/catalina.sh start & 25 environment: 26 JAVA_HOME: /usr/java/jdk1.8.0_141