Runbook für Discovery erstellen
Erstellen Sie ein Runbook, um Apache Tomcat-Homes zu scannen und zu identifizieren, die auf Ressourcen in Fleet Application Management installiert sind.
Beispielskript zur Ermittlung eines Produkts
import json
import os
import subprocess
import datetime
class TOMCAT:
def _get_all_tomcats(self):
command = ['find', '/', '-type', 'd', '-name', 'webapps']
sp = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
tomcat_paths = sp.stdout.decode("utf-8").strip().replace('/webapps', '').split('\n')
#tomcat_paths=[path for path in tomcat_paths if not 'backup' in path]
return tomcat_paths
def _get_details(self, path):
tomcat_details = dict()
try:
command = f'{path}/bin/version.sh'
sp = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = sp.communicate(timeout=10)
info_list = stdout.decode("utf-8")
for line in info_list.splitlines():
if ':' in line:
key, value = line.split(':', 1)
tomcat_details[key.strip()] = value.strip()
return tomcat_details
except Exception as E:
pass
def _get_timestamp(self, file_path):
if os.path.exists(file_path):
timestamp = os.path.getmtime(file_path)
modified_date = datetime.datetime.fromtimestamp(timestamp).strftime("%Y-%d-%m %H:%M:%S")
return modified_date
def _get_java_details(self):
try:
java_details = dict()
command = "java -version 2>&1 | head -n 1"
sp = subprocess.run(command, shell=True, stdout=subprocess.PIPE)
java_version = sp.stdout.decode("utf-8").split('"')[1]
# Getting Java Home
command = "java -XshowSettings:properties -version 2>&1 | sed '/^[[:space:]]*java\.home/!d;s/^[[:space:]]*java\.home[[:space:]]*=[[:space:]]*//'"
sp = subprocess.run(command, shell=True, stdout=subprocess.PIPE)
java_home = sp.stdout.decode("utf-8").replace("\n", '')
java_details['java_home'] = java_home
java_details['java_version'] = java_version.split('_')[0]
return java_details
except Exception as E:
pass
def _instance(self, path, new_version_exists):
properties = []
installed_patches = []
tomcat_details = self._get_details(path)
instance = {"product": "Apache Tomcat"}
instance.update({"version": '.'.join(tomcat_details['Server number'].split('.')[:2])})
instance.update({"target_name": path})
instance.update({"resource_name": ""})
instance.update({"components": []})
instance.update({"available_patches": []})
if new_version_exists:
installed_patches = [
{
"patch_name": tomcat_details['Server number'],
"patch_applied_dt": self._get_timestamp(path),
"patch_description": tomcat_details['Server number'],
"patch_type":"Critical Patch Update",
"released_date":self._get_timestamp(path),
"severity":"CRITICAL"
}
]
else:
installed_patches = [
{
"patch_name": tomcat_details['Server number'],
"patch_applied_dt": self._get_timestamp(path),
"patch_description": tomcat_details['Server number'],
"patch_type": "Critical Patch Update"
}
]
instance.update({"installed_patches": installed_patches})
for key, value in self._get_java_details().items():
properties.append({"property_name": key, "property_value": value})
instance.update({"properties": properties})
return instance
def _discovery_tomcat(self):
targets = []
tomcat_paths = self._get_all_tomcats()
new_version_exists = any(['backup' in path for path in tomcat_paths])
for path in tomcat_paths:
if not 'backup' in path:
targets.append(self._instance(path, new_version_exists))
discovery_output = ({"targets": targets})
return discovery_output
if __name__ == "__main__":
SCRIPTS_DIR = "/opt/fams/.scripts"
os.makedirs(SCRIPTS_DIR, exist_ok=True)
tomcat = TOMCAT()
tomcat_output = tomcat._discovery_tomcat()
json_obj = json.dumps(tomcat_output, indent=4)
print(json_obj)
with open("{}/tomcat_discovery.json".format(SCRIPTS_DIR), 'wb') as outfile:
outfile.write(json_obj.encode())Beispiel-JSON für Discovery
Im Folgenden finden Sie eine JSON-Beispieldarstellung von Apache Tomcat, die Fleet Application Management für seine Discovery parst.
{
"compartmentId": "<your_root_compartment_ocid>",
"displayName": "Apache Tomcat Discovery",
"description": "Runbook to discovery Apache Tomcat Product Homes on an instance",
"operation": "DISCOVERY",
"runbookRelevance": "PRODUCT",
"platform": "Apache Tomcat",
"isDefault": false,
"osType": "LINUX",
"estimatedTime": "1",
"associations": {
"groups": [
{
"name": "Parallel_resource_group",
"type": "PARALLEL_RESOURCE_GROUP",
"properties": {
"actionOnFailure": "ABORT",
"condition": null
}
}
],
"tasks": [
{
"stepName": "Apache_Tomcat_discovery_task",
"associationType": "TASK",
"taskRecordDetails": {
"scope": "LOCAL",
"executionDetails": {
"executionType": "SCRIPT",
"variables": null,
"content": {
"sourceType": "OBJECT_STORAGE_BUCKET",
"namespaceName": "mytenancynamespace",
"bucketName": "demo_bucket",
"objectName": "my_apache_tomcat_discovery.zip",
"checksum": "APLIeko3yTq4CXNWzxcVKvHg=="
},
"command": "unzip -o -q my_apache_tomcat_discovery.zip; chmod +x apache_tomcat_discovery.py ; python apache_tomcat_discovery.py",
"credentials": []
},
"description": null,
"platform": "Apache Tomcat",
"isCopyToLibraryEnabled": false,
"osType": "LINUX",
"properties": {
"numRetries": 0,
"timeoutInSeconds": 3000
},
"isDiscoveryOutputTask": true,
"isApplySubjectTask": false,
"name": "Apache Tomcat_discovery_task"
},
"stepProperties": {
"actionOnFailure": "ABORT",
"condition": null
},
"outputVariableMappings": []
}
],
"executionWorkflowDetails": {
"workflow": [
{
"groupName": "Parallel_resource_group",
"type": "PARALLEL_RESOURCE_GROUP",
"steps": [
{
"type": "TASK",
"stepName": "Apache_Tomcat_discovery_task"
}
]
}
]
}
}
}
Beispiel-YAML für Discovery
Im Folgenden finden Sie eine Beispiel-YAML-Darstellung von Apache Tomcat, die Fleet Application Management für die Discovery parst.
compartmentId: <your_root_compartment_ocid>
displayName: Apache Tomcat Discovery
description: Runbook to discovery Apache Tomcat Product Homes on an instance
operation: DISCOVERY
runbookRelevance: PRODUCT
platform: Apache Tomcat
isDefault: false
osType: LINUX
estimatedTime: "1"
associations:
groups:
- name: Parallel_resource_group
type: PARALLEL_RESOURCE_GROUP
properties:
actionOnFailure: ABORT
condition: null
tasks:
- stepName: Apache_Tomcat_discovery_task
associationType: TASK
taskRecordDetails:
scope: LOCAL
executionDetails:
executionType: SCRIPT
variables: null
content:
sourceType: OBJECT_STORAGE_BUCKET
namespaceName: mytenancynamespace
bucketName: demo_bucket
objectName: my_apache_tomcat_discovery.zip
checksum: APLIeko3yTq4CXNWzxcVKvHg==
command: unzip -o -q my_apache_tomcat_discovery.zip; chmod +x
apache_tomcat_discovery.py ; python apache_tomcat_discovery.py
credentials: []
description: null
platform: Apache Tomcat
isCopyToLibraryEnabled: false
osType: LINUX
properties:
numRetries: 0
timeoutInSeconds: 3000
isDiscoveryOutputTask: true
isApplySubjectTask: false
name: Apache Tomcat_discovery_task
stepProperties:
actionOnFailure: ABORT
condition: null
outputVariableMappings: []
executionWorkflowDetails:
workflow:
- groupName: Parallel_resource_group
type: PARALLEL_RESOURCE_GROUP
steps:
- type: TASK
stepName: Apache_Tomcat_discovery_task