def stack_container(container, config):
announce("Stacking " + container + " container")
if config.has_key('run') and not config['run']:
note("container has 'run' key set to " + str(config['run']) +
", skipping")
return
command = ['docker', 'run', '-d', '--name', get_container(container)]
if config.has_key('options'):
for option in config['options']:
command = command + [parse_template(option)]
if config.has_key('hostname'):
command = command + ['--hostname', get_value(config, 'hostname')]
# else:
# command = command + ['--hostname', container]
if config.has_key('dns'):
command = command + ['--dns', get_value(config, 'dns')]
if config.has_key('volumes'):
for volumespec in config['volumes']:
volumespec_parsed = parse_template(volumespec)
if volumespec_parsed.startswith("/"):
command = command + ['-v', volumespec_parsed]
else:
command = command + [
'-v', mem.VolumePath + "/" + mem.Project + "/" +
container + "/" + volumespec_parsed
]
if config.has_key('ports'):
for portspec in config['ports']:
command = command + ['-p', parse_template(portspec)]
if config.has_key('environment'):
for envvar in config['environment']:
command = command + [
'-e',
parse_template(envvar) + '=' +
parse_template(config['environment'][envvar])
]
if config.has_key('links'):
for link in config['links']:
command = command + [
"--link=" + get_container(parse_template(link))
]
command.append(get_image(config))
if config.has_key('command'):
command = command + shlex.split(get_value(config, 'command'))
note(" ".join(command))
quietcall(command)
if config.has_key('upwhen'):
wait_for_up(container, config)
def wait_for_up(container, config):
upwhen = config['upwhen']
timeout = 30
if upwhen.has_key('timeout'):
timeout = get_value(upwhen, 'timeout')
if upwhen.has_key('logmsg'):
logmsg = get_value(upwhen, 'logmsg')
if upwhen.has_key('logfile'):
logfile = mem.VolumePath + "/" + mem.Project + "/" + container + "/" + get_value(
upwhen, 'logfile')
mention("Waiting up to " + str(timeout) + " seconds for '" +
logmsg + "' in '" + logfile + "' to indicate that " +
container + " is stacked")
else:
mention("Waiting up to " + str(timeout) + " seconds for '" +
logmsg + "' to indicate that " + container + " is stacked")
waited = 0
ok = False
while waited <= timeout:
if not 'logfile' in locals():
command = ["docker", "logs", get_container(container)]
else:
if logfile.startswith('/'):
command = ["tail", logfile]
else:
# there's a chance we try to tail it before it exists... just ignore that time
if os._exists(logfile):
command = ["tail", logfile]
# command may not have been set yet if the file didn't exist
if 'command' in locals():
try:
output = subprocess.check_output(command,
stderr=subprocess.STDOUT)
except:
pass
# print output
if 'output' in locals() and output.find(logmsg) > -1:
ok = True
break
else:
time.sleep(1)
waited = waited + 1
if not ok:
raise Exception("Timed out waiting for " + container + " to start")
if upwhen.has_key('sleep'):
mention("Sleeping " + str(upwhen['sleep']) +
" extra seconds as configured")
time.sleep(int(upwhen['sleep']))
def get_image(config):
if config.has_key('image'):
image = get_value(config, 'image') # .split(':')[0]
elif config.has_key('tag'):
image = get_value(config, 'tag')
else:
image = mem.Project + '/' + get_value(config, 'build')
return image
def get_image(config):
if config.has_key('image'):
image = get_value(config, 'image') # .split(':')[0]
elif config.has_key('tag'):
image = get_value(config, 'tag')
else:
image = mem.Project + '/' + get_value(config, 'build')
return image
def stack_container(container, config):
announce("Stacking " + container + " container")
if config.has_key('run') and not config['run']:
note("container has 'run' key set to " + str(config['run']) + ", skipping")
return
command = ['docker', 'run', '-d', '--name', get_container(container)]
if config.has_key('options'):
for option in config['options']:
command = command + [parse_template(option)]
if config.has_key('hostname'):
command = command + ['--hostname', get_value(config, 'hostname')]
# else:
# command = command + ['--hostname', container]
if config.has_key('dns'):
command = command + ['--dns', get_value(config, 'dns')]
if config.has_key('volumes'):
for volumespec in config['volumes']:
volumespec_parsed = parse_template(volumespec)
if volumespec_parsed.startswith("/"):
command = command + ['-v', volumespec_parsed]
elif volumespec_parsed.startswith('./'):
# docker complains if path starts with "." so expand CWD here
cwd = os.path.dirname(os.path.realpath(volumespec_parsed.split(':')[0]))
realpath = cwd + '/' + volumespec_parsed.strip('./')
command = command + ['-v', realpath]
else:
command = command + ['-v', mem.VolumePath + '/' + mem.Project +
'/' + container + '/' + volumespec_parsed]
if config.has_key('ports'):
for portspec in config['ports']:
command = command + ['-p', parse_template(portspec)]
if config.has_key('environment'):
for envvar in config['environment']:
command = command + ['-e', parse_template(envvar) + '=' + parse_template(config['environment'][envvar])]
if config.has_key('links'):
for link in config['links']:
command = command + ["--link=" + get_container(parse_template(link))]
command.append(get_image(config))
if config.has_key('command'):
command = command + shlex.split(get_value(config, 'command'))
note(" ".join(command))
quietcall(command)
if config.has_key('upwhen'):
wait_for_up(container, config)
def wait_for_up(container, config):
upwhen = config['upwhen']
timeout = 30
if upwhen.has_key('timeout'):
timeout = get_value(upwhen, 'timeout')
if upwhen.has_key('logmsg'):
logmsg = get_value(upwhen, 'logmsg')
if upwhen.has_key('logfile'):
logfile = mem.VolumePath + "/" + mem.Project + "/" + container + "/" + get_value(upwhen, 'logfile')
mention("Waiting up to " + str(
timeout) + " seconds for '" + logmsg + "' in '" + logfile + "' to indicate that " + container + " is stacked")
else:
mention("Waiting up to " + str(
timeout) + " seconds for '" + logmsg + "' to indicate that " + container + " is stacked")
waited = 0
ok = False
while waited <= timeout:
if not 'logfile' in locals():
command = ["docker", "logs", get_container(container)]
else:
if logfile.startswith('/'):
command = ["tail", logfile]
else:
# there's a chance we try to tail it before it exists... just ignore that time
if os._exists(logfile):
command = ["tail", logfile]
# command may not have been set yet if the file didn't exist
if 'command' in locals():
try:
output = subprocess.check_output(command, stderr=subprocess.STDOUT)
except:
pass
# print output
if 'output' in locals() and output.find(logmsg) > -1:
ok = True
break
else:
time.sleep(1)
waited = waited + 1
if not ok:
raise Exception("Timed out waiting for " + container + " to start")
if upwhen.has_key('sleep'):
mention("Sleeping " + str(upwhen['sleep']) + " extra seconds as configured")
time.sleep(int(upwhen['sleep']))
def fill_container(container, config):
announce("Filling " + container + " container")
if config.has_key('build'):
build = get_value(config, 'build')
tag = mem.Project + "/" + build
if config.has_key('tag'):
tag = get_value(config, 'tag')
target = build
if build[:4] == 'git:':
if not config.has_key('tag'):
raise Exception(
"If you are using a git repo for 'build' you must also specify 'tag'"
)
tag = get_value(config, 'tag')
url = build[4:]
print("Cloning " + tag + " from " + url, end="")
dir = "_grua_" + tag.replace("/", "_")
if os.path.isdir(dir):
shutil.rmtree(dir)
command = ['git', 'clone', url, dir]
note(" ".join(command))
call(command)
target = dir
mention("building " + container + " ( " + target + " ) " +
" with tag '" + tag + "'")
command = ['docker', 'build', '-t', tag, target]
note(" ".join(command))
quietcall(command)
else:
mention(container + " uses an image. Pulling " +
get_value(config, 'image'))
command = ['docker', 'pull', get_value(config, 'image')]
note(" ".join(command))
quietcall(command)
def fill_container(container, config):
announce("Filling " + container + " container")
if config.has_key('build'):
build = get_value(config, 'build')
tag = mem.Project + "/" + build
if config.has_key('tag'):
tag = get_value(config, 'tag')
target = build
if build[:4] == 'git:':
if not config.has_key('tag'):
raise Exception("If you are using a git repo for 'build' you must also specify 'tag'")
tag = get_value(config, 'tag')
url = build[4:]
print ( "Cloning " + tag + " from " + url, end="" )
dir = "_grua_" + tag.replace("/", "_")
if os.path.isdir(dir):
shutil.rmtree(dir)
command = ['git', 'clone', url, dir]
note(" ".join(command))
call(command)
target = dir
mention("building " + container + " ( " + target + " ) " + " with tag '" + tag + "'")
command = ['docker', 'build', '-t', tag, target]
note(" ".join(command))
quietcall(command)
else:
mention(container + " uses an image. Pulling " + get_value(config, 'image'))
command = ['docker', 'pull', get_value(config, 'image')]
note(" ".join(command))
quietcall(command)
