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Clarify examples further.

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This commit is contained in:
Michael DeHaan 2014-08-21 18:48:02 -04:00
parent caf4e44be7
commit 399fe32287
2 changed files with 64 additions and 53 deletions
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95
bin/ansible-galaxy
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@ -234,7 +234,7 @@ def exit_without_ignore(options, rc=1):
""" """
if not get_opt(options, "ignore_errors", False): if not get_opt(options, "ignore_errors", False):
print 'You can use --ignore-errors to skip failed roles.' print '- you can use --ignore-errors to skip failed roles.'
sys.exit(rc) sys.exit(rc)
#------------------------------------------------------------------------------------- #-------------------------------------------------------------------------------------
@ -268,10 +268,10 @@ def api_lookup_role_by_name(api_server, role_name):
parts = role_name.split(".") parts = role_name.split(".")
user_name = ".".join(parts[0:-1]) user_name = ".".join(parts[0:-1])
role_name = parts[-1] role_name = parts[-1]
print " downloading role '%s', owned by %s" % (role_name, user_name) print "- downloading role '%s', owned by %s" % (role_name, user_name)
except: except:
parser.print_help() parser.print_help()
print "Invalid role name (%s). You must specify username.rolename" % role_name print "- invalid role name (%s). Specify role as format: username.rolename" % role_name
sys.exit(1) sys.exit(1)
url = 'https://%s/api/v1/roles/?owner__username=%s&name=%s' % (api_server,user_name,role_name) url = 'https://%s/api/v1/roles/?owner__username=%s&name=%s' % (api_server,user_name,role_name)
@ -329,7 +329,7 @@ def api_get_list(api_server, what):
done = (data.get('next', None) == None) done = (data.get('next', None) == None)
return results return results
except: except:
print " - failed to download the %s list" % what print "- failed to download the %s list" % what
return None return None
#------------------------------------------------------------------------------------- #-------------------------------------------------------------------------------------
@ -338,7 +338,7 @@ def api_get_list(api_server, what):
def scm_archive_role(scm, role_url, role_version, role_name): def scm_archive_role(scm, role_url, role_version, role_name):
if scm not in ['hg', 'git']: if scm not in ['hg', 'git']:
print "SCM %s is not currently supported" % scm print "- scm %s is not currently supported" % scm
return False return False
tempdir = tempfile.mkdtemp() tempdir = tempfile.mkdtemp()
clone_cmd = [scm, 'clone', role_url, role_name] clone_cmd = [scm, 'clone', role_url, role_name]
@ -476,7 +476,7 @@ def fetch_role(role_name, target, role_data, options):
archive_url = role_name archive_url = role_name
else: else:
archive_url = 'https://github.com/%s/%s/archive/%s.tar.gz' % (role_data["github_user"], role_data["github_repo"], target) archive_url = 'https://github.com/%s/%s/archive/%s.tar.gz' % (role_data["github_user"], role_data["github_repo"], target)
print " - downloading role from %s" % archive_url print "- downloading role from %s" % archive_url
try: try:
url_file = urllib2.urlopen(archive_url) url_file = urllib2.urlopen(archive_url)
@ -490,7 +490,7 @@ def fetch_role(role_name, target, role_data, options):
except Exception, e: except Exception, e:
# TODO: better urllib2 error handling for error # TODO: better urllib2 error handling for error
# messages that are more exact # messages that are more exact
print "Error: failed to download the file." print "- error: failed to download the file."
return False return False
def install_role(role_name, role_version, role_filename, options): def install_role(role_name, role_version, role_filename, options):
@ -498,7 +498,7 @@ def install_role(role_name, role_version, role_filename, options):
# to the specified (or default) roles directory # to the specified (or default) roles directory
if not tarfile.is_tarfile(role_filename): if not tarfile.is_tarfile(role_filename):
print "Error: the file downloaded was not a tar.gz" print "- error: the file downloaded was not a tar.gz"
return False return False
else: else:
if role_filename.endswith('.gz'): if role_filename.endswith('.gz'):
@ -514,13 +514,13 @@ def install_role(role_name, role_version, role_filename, options):
meta_file = member meta_file = member
break break
if not meta_file: if not meta_file:
print "Error: this role does not appear to have a meta/main.yml file." print "- error: this role does not appear to have a meta/main.yml file."
return False return False
else: else:
try: try:
meta_file_data = yaml.safe_load(role_tar_file.extractfile(meta_file)) meta_file_data = yaml.safe_load(role_tar_file.extractfile(meta_file))
except: except:
print "Error: this role does not appear to have a valid meta/main.yml file." print "- error: this role does not appear to have a valid meta/main.yml file."
return False return False
# we strip off the top-level directory for all of the files contained within # we strip off the top-level directory for all of the files contained within
@ -528,20 +528,20 @@ def install_role(role_name, role_version, role_filename, options):
# to the specified role's name # to the specified role's name
role_path = os.path.join(get_opt(options, 'roles_path', '/etc/ansible/roles'), role_name) role_path = os.path.join(get_opt(options, 'roles_path', '/etc/ansible/roles'), role_name)
role_path = os.path.expanduser(role_path) role_path = os.path.expanduser(role_path)
print " - extracting %s to %s" % (role_name, role_path) print "- extracting %s to %s" % (role_name, role_path)
try: try:
if os.path.exists(role_path): if os.path.exists(role_path):
if not os.path.isdir(role_path): if not os.path.isdir(role_path):
print "Error: the specified roles path exists and is not a directory." print "- error: the specified roles path exists and is not a directory."
return False return False
elif not get_opt(options, "force", False): elif not get_opt(options, "force", False):
print "Error: the specified role %s appears to already exist. Use --force to replace it." % role_name print "- error: the specified role %s appears to already exist. Use --force to replace it." % role_name
return False return False
else: else:
# using --force, remove the old path # using --force, remove the old path
if not remove_role(role_name, options): if not remove_role(role_name, options):
print "Error: %s doesn't appear to contain a role." % role_path print "- error: %s doesn't appear to contain a role." % role_path
print "Please remove this directory manually if you really want to put the role here." print " please remove this directory manually if you really want to put the role here."
return False return False
else: else:
os.makedirs(role_path) os.makedirs(role_path)
@ -563,11 +563,11 @@ def install_role(role_name, role_version, role_filename, options):
# write out the install info file for later use # write out the install info file for later use
write_galaxy_install_info(role_name, role_version, options) write_galaxy_install_info(role_name, role_version, options)
except OSError, e: except OSError, e:
print "Error: you do not have permission to modify files in %s" % role_path print "- error: you do not have permission to modify files in %s" % role_path
return False return False
# return the parsed yaml metadata # return the parsed yaml metadata
print "%s was installed successfully" % role_name print "- %s was installed successfully" % role_name
return meta_file_data return meta_file_data
#------------------------------------------------------------------------------------- #-------------------------------------------------------------------------------------
@ -588,7 +588,7 @@ def execute_init(args, options, parser):
if not offline: if not offline:
api_config = api_get_config(api_server) api_config = api_get_config(api_server)
if not api_config: if not api_config:
print "The API server (%s) is not responding, please try again later." % api_server print "- the API server (%s) is not responding, please try again later." % api_server
sys.exit(1) sys.exit(1)
try: try:
@ -598,18 +598,17 @@ def execute_init(args, options, parser):
role_path = os.path.join(init_path, role_name) role_path = os.path.join(init_path, role_name)
if os.path.exists(role_path): if os.path.exists(role_path):
if os.path.isfile(role_path): if os.path.isfile(role_path):
print "The path %s already exists, but is a file - aborting" % role_path print "- the path %s already exists, but is a file - aborting" % role_path
sys.exit(1) sys.exit(1)
elif not force: elif not force:
print "The directory %s already exists." % role_path print "- the directory %s already exists." % role_path
print "" print " you can use --force to re-initialize this directory,\n" + \
print "You can use --force to re-initialize this directory,\n" + \ " however it will reset any main.yml files that may have\n" + \
"however it will reset any main.yml files that may have\n" + \ " been modified there already."
"been modified there already."
sys.exit(1) sys.exit(1)
except Exception, e: except Exception, e:
parser.print_help() parser.print_help()
print "No role name specified for init" print "- no role name specified for init"
sys.exit(1) sys.exit(1)
ROLE_DIRS = ('defaults','files','handlers','meta','tasks','templates','vars') ROLE_DIRS = ('defaults','files','handlers','meta','tasks','templates','vars')
@ -668,7 +667,7 @@ def execute_init(args, options, parser):
f = open(main_yml_path, 'w') f = open(main_yml_path, 'w')
f.write('---\n# %s file for %s\n' % (dir,role_name)) f.write('---\n# %s file for %s\n' % (dir,role_name))
f.close() f.close()
print "%s was created successfully" % role_name print "- %s was created successfully" % role_name
def execute_info(args, options, parser): def execute_info(args, options, parser):
""" """
@ -695,13 +694,13 @@ def execute_install(args, options, parser):
# the user needs to specify one of either --role-file # the user needs to specify one of either --role-file
# or specify a single user/role name # or specify a single user/role name
parser.print_help() parser.print_help()
print "You must specify a user/role name or a roles file" print "- you must specify a user/role name or a roles file"
sys.exit() sys.exit()
elif len(args) == 1 and role_file: elif len(args) == 1 and role_file:
# using a role file is mutually exclusive of specifying # using a role file is mutually exclusive of specifying
# the role name on the command line # the role name on the command line
parser.print_help() parser.print_help()
print "Please specify a user/role name, or a roles file, but not both" print "- please specify a user/role name, or a roles file, but not both"
sys.exit(1) sys.exit(1)
roles_done = [] roles_done = []
@ -739,12 +738,12 @@ def execute_install(args, options, parser):
# installing from galaxy # installing from galaxy
api_config = api_get_config(api_server) api_config = api_get_config(api_server)
if not api_config: if not api_config:
print "The API server (%s) is not responding, please try again later." % api_server print "- the API server (%s) is not responding, please try again later." % api_server
sys.exit(1) sys.exit(1)
role_data = api_lookup_role_by_name(api_server, role_src) role_data = api_lookup_role_by_name(api_server, role_src)
if not role_data: if not role_data:
print "Sorry, %s was not found on %s." % (role_src, api_server) print "- sorry, %s was not found on %s." % (role_src, api_server)
continue continue
role_versions = api_fetch_role_related(api_server, 'versions', role_data['id']) role_versions = api_fetch_role_related(api_server, 'versions', role_data['id'])
@ -761,14 +760,16 @@ def execute_install(args, options, parser):
role["version"] = 'master' role["version"] = 'master'
else: else:
if role_versions and role["version"] not in [a.get('name',None) for a in role_versions]: if role_versions and role["version"] not in [a.get('name',None) for a in role_versions]:
print "The specified version (%s) was not found in the list of available versions." % role.version print "- the specified version (%s) was not found in the list of available versions." % role.version
exit_without_ignore(options) exit_without_ignore(options)
continue continue
# download the role. if --no-deps was specified, we stop here, # download the role. if --no-deps was specified, we stop here,
# otherwise we recursively grab roles and all of their deps. # otherwise we recursively grab roles and all of their deps.
tmp_file = fetch_role(role_src, role["version"], role_data, options) tmp_file = fetch_role(role_src, role["version"], role_data, options)
if tmp_file and install_role(role.get("name"), role.get("version"), tmp_file, options): installed = False
if tmp_file:
installed = install_role(role.get("name"), role.get("version"), tmp_file, options):
# we're done with the temp file, clean it up # we're done with the temp file, clean it up
os.unlink(tmp_file) os.unlink(tmp_file)
# install dependencies, if we want them # install dependencies, if we want them
@ -784,14 +785,14 @@ def execute_install(args, options, parser):
else: else:
dep = ansible.utils.role_yaml_parse(dep) dep = ansible.utils.role_yaml_parse(dep)
if not get_role_metadata(dep["name"], options): if not get_role_metadata(dep["name"], options):
print ' adding dependency: %s' % dep["name"] print '- adding dependency: %s' % dep["name"]
roles_left.append(dep) roles_left.append(dep)
else: else:
print ' dependency %s is already installed, skipping.' % dep["name"] print '- dependency %s is already installed, skipping.' % dep["name"]
else: if not tmp_file or not installed:
if tmp_file: if tmp_file:
os.unlink(tmp_file) os.unlink(tmp_file)
print "%s was NOT installed successfully." % role.get("name") print "- %s was NOT installed successfully." % role.get("name")
exit_without_ignore(options) exit_without_ignore(options)
sys.exit(0) sys.exit(0)
@ -803,17 +804,17 @@ def execute_remove(args, options, parser):
if len(args) == 0: if len(args) == 0:
parser.print_help() parser.print_help()
print 'You must specify at least one role to remove.' print '- you must specify at least one role to remove.'
sys.exit() sys.exit()
for role in args: for role in args:
if get_role_metadata(role, options): if get_role_metadata(role, options):
if remove_role(role, options): if remove_role(role, options):
print 'successfully removed %s' % role print '- successfully removed %s' % role
else: else:
print "failed to remove role: %s" % role print "- failed to remove role: %s" % role
else: else:
print '%s is not installed, skipping.' % role print '- %s is not installed, skipping.' % role
sys.exit(0) sys.exit(0)
def execute_list(args, options, parser): def execute_list(args, options, parser):
@ -825,7 +826,7 @@ def execute_list(args, options, parser):
""" """
if len(args) > 1: if len(args) > 1:
print "Please specify only one role to list, or specify no roles to see a full list" print "- please specify only one role to list, or specify no roles to see a full list"
sys.exit(1) sys.exit(1)
if len(args) == 1: if len(args) == 1:
@ -840,19 +841,19 @@ def execute_list(args, options, parser):
if not version: if not version:
version = "(unknown version)" version = "(unknown version)"
# show some more info about single roles here # show some more info about single roles here
print " %s, %s" % (role_name, version) print "- %s, %s" % (role_name, version)
else: else:
print "The role %s was not found" % role_name print "- the role %s was not found" % role_name
else: else:
# show all valid roles in the roles_path directory # show all valid roles in the roles_path directory
roles_path = get_opt(options, 'roles_path') roles_path = get_opt(options, 'roles_path')
roles_path = os.path.expanduser(roles_path) roles_path = os.path.expanduser(roles_path)
if not os.path.exists(roles_path): if not os.path.exists(roles_path):
parser.print_help() parser.print_help()
print "The path %s does not exist. Please specify a valid path with --roles-path" % roles_path print "- the path %s does not exist. Please specify a valid path with --roles-path" % roles_path
sys.exit(1) sys.exit(1)
elif not os.path.isdir(roles_path): elif not os.path.isdir(roles_path):
print "%s exists, but it is not a directory. Please specify a valid path with --roles-path" % roles_path print "- %s exists, but it is not a directory. Please specify a valid path with --roles-path" % roles_path
parser.print_help() parser.print_help()
sys.exit(1) sys.exit(1)
path_files = os.listdir(roles_path) path_files = os.listdir(roles_path)
@ -864,7 +865,7 @@ def execute_list(args, options, parser):
version = install_info.get("version", None) version = install_info.get("version", None)
if not version: if not version:
version = "(unknown version)" version = "(unknown version)"
print " %s, %s" % (path_file, version) print "- %s, %s" % (path_file, version)
sys.exit(0) sys.exit(0)
#------------------------------------------------------------------------------------- #-------------------------------------------------------------------------------------
@ -882,7 +883,7 @@ def main():
fn = globals()["execute_%s" % action] fn = globals()["execute_%s" % action]
fn(args, options, parser) fn(args, options, parser)
#except KeyError, e: #except KeyError, e:
# print "Error: %s is not a valid action. Valid actions are: %s" % (action, ", ".join(VALID_ACTIONS)) # print "- error: %s is not a valid action. Valid actions are: %s" % (action, ", ".join(VALID_ACTIONS))
# sys.exit(1) # sys.exit(1)
if __name__ == "__main__": if __name__ == "__main__":

22
docsite/rst/galaxy.rst
View file

@ -61,18 +61,28 @@ The extension is important. If the .yml extension is left off, the ansible-galax
And here's an example showing some specific version downloads from multiple sources. In one of the examples we also override the name of the role and download it as something different:: And here's an example showing some specific version downloads from multiple sources. In one of the examples we also override the name of the role and download it as something different::
- src: bennojoy.mysql # from galaxy
name: mysql # save as mysql not bennojoy.mysql - src: yatesr.timezone
# from github
- src: https://github.com/bennojoy/nginx
# from github, overriding the name and specifying a specific tag
- src: https://github.com/bennojoy/nginx
name: nginx_role
# from a webserver, where the role is packaged in a tar.gz
- src: https://some.webserver.example.com/files/master.tar.gz
name: http-role
# from bitbucket, if bitbucket happens to be operational right now :)
- src: git+http://bitbucket.org/willthames/git-ansible-galaxy - src: git+http://bitbucket.org/willthames/git-ansible-galaxy
version: v1.4 version: v1.4
# from bitbucket, alternative syntax and caveats
- src: http://bitbucket.org/willthames/hg-ansible-galaxy - src: http://bitbucket.org/willthames/hg-ansible-galaxy
scm: hg scm: hg
- src: https://bitbucket.org/willthames/http-ansible-galaxy/get/master.tar.gz
name: http-role
As you can see in the above, there are a large amount of controls available As you can see in the above, there are a large amount of controls available
to customize where roles can be pulled from, and what to save roles as. to customize where roles can be pulled from, and what to save roles as.