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2020-08-24query: do not handle non-decodable non-gzipped content (#543)Chad Smith
2020-08-20cmd: cloud-init query to handle compressed userdata (#516)Chad Smith
cloud-init query tries to directly load and decode raw user-data from /var/lib/cloud/instance/user-data.txt. This results in UnicodeDecodeErrors on some platforms which provide compressed content. Avoid UnicodeDecoderErrors when parsing compressed user-data at /var/lib/cloud/instance/user-data.txt. LP: #1889938
2020-08-17cli: add devel make-mime subcommand (#518)Ryan Harper
* cli: add devel make-mime subcommand Cloud-init documents an in-source-tree tool, make-mime.py used to help users create multi-part mime user-data. This tool is not shipped in the cloud-init install and unavailable at runtime. This patch takes tools/make-mime.py and makes the functionality available via the devel subcommand. The primary interface of --attach file:content-type is still present. The cli now adds: -l, --list-types Print out a list of supported content-types -f, --force Ignore errors for unsupported content-types The tool will now raise a RunTime error if the supplied content-type is not supported (or more likely a typo: x-shell-script vs. x-shellscript) * make-mime: write to stderr and exit 1 instead of raising RuntimeError * Update example to match docs * Update docs for make-mime subcommand * Remove tools/make-mime.py; replaced by cloud-init devel make-mime Co-authored-by: Rick Harding <rharding@mitechie.com>
2020-06-10test: fix all flake8 E126 errors (#425)Joshua Powers
2020-06-08Move subp into its own module. (#416)Scott Moser
This was painful, but it finishes a TODO from cloudinit/subp.py. It moves the following from util to subp: ProcessExecutionError subp which target_path I moved subp_blob_in_tempfile into cc_chef, which is its only caller. That saved us from having to deal with it using write_file and temp_utils from subp (which does not import any cloudinit things now). It is arguable that 'target_path' could be moved to a 'path_utils' or something, but in order to use it from subp and also from utils, we had to get it out of utils.
2020-06-02test: fix all flake8 E241 (#403)Joshua Powers
Remove extra spaces after a ','
2020-03-31CiTestCase: stop using and remove sys_exit helper (#283)Daniel Watkins
This shim was required to support Python 2.6, so we no longer need it.
2020-03-19cloudinit/tests: remove unneeded with_logs configuration (#263)Daniel Watkins
These classes don't use `self.logs` anywhere in their body, so we can remove the `with_logs = True` setting from them. These instances were found using astpath[0], with the following invocation: astpath "//Name[@id='with_logs' and not(ancestor::ClassDef//Attribute[@attr='logs'])]" [0] https://github.com/hchasestevens/astpath
2020-01-31cloudinit: replace "from six import X" imports (except in util.py) (#183)Daniel Watkins
2020-01-28cloudinit/cmd/devel/net_convert.py: add missing space (#191)Daniel Watkins
2020-01-21Start removing dependency on six (#178)Daniel Watkins
* url_helper: drop six * url_helper: sort imports * log: drop six * log: sort imports * handlers/__init__: drop six * handlers/__init__: sort imports * user_data: drop six * user_data: sort imports * sources/__init__: drop six * sources/__init__: sort imports * DataSourceOVF: drop six * DataSourceOVF: sort imports * sources/helpers/openstack: drop six * sources/helpers/openstack: sort imports * mergers/m_str: drop six This also allowed simplification of the logic, as we will never encounter a non-string text type. * type_utils: drop six * mergers/m_dict: drop six * mergers/m_list: drop six * cmd/query: drop six * mergers/__init__: drop six * net/cmdline: drop six * reporting/handlers: drop six * reporting/handlers: sort imports
2019-12-16tests: mock uid when running as root (#113)Joshua Powers
The query command checks the user's uid when running and takes two different code paths. As a normal user is returns fake data, that these tests were expecting. As a root user, the actual user and vendor data files are ready. LP: #1856096
2019-10-24net/netplan: use ipv6-mtu key for specifying ipv6 mtu valuesRyan Harper
netplan introduced an 'info' subcommand which emits yaml describing implemented features that indicate new or changed fields and values in the yaml that it accepts. Previously, cloud-init emitted the key 'mtu6' for ipv6 MTU values. This is not correct and netplan will fail to parse these values. Netplan as of 0.98 supports both the info subcommand and the ipv6-mtu key. This branch modifies the netplan renderer to collect the netplan info output into a 'features' property which is a list of available feature flags which the renderer can use to modify its output. If the command is not available, no feature flags are set and cloud-init will render IPv6 MTU values just as MTU for the subnet.
2019-10-24Fix usages of yaml, and move yaml_dump to safeyaml.dumps.Scott Moser
Here we replace uses of the pyyaml module directly with functions provided by cloudinit.safeyaml. Also, change/move cloudinit.util.yaml_dumps to cloudinit.safeyaml.dumps LP: #1849640
2019-04-09cmd:main.py: Fix missing 'modules-init' key in modes dictAntonio Romito
Cloud-init's main.py will fail when presented with a new stage name 'modules-init' if upgrading an older cloud-init. Fix this by initializing unknown stage names before accessing. LP: #1815109
2019-03-04clean: correctly determine the path for excluding seed directoryDaniel Watkins
Previously, init.paths.cloud_dir has a trailing slash, which meant that "/var/lib/cloud//seed" was being compared to "/var/lib/cloud/seed" and (of course), never matching. In this commit, switch to using os.path.join to avoid this case (and update the tests to catch it in future). LP: #1818571
2019-01-31clean: cloud-init clean should not trace when run from within cloud_dirChad Smith
Avoid traceback when cloud-init clean is run from within /var/lib/cloud/ deleted dirs. LP: #1795508
2018-12-03dhclient-hook: cleanups, tests and fix a bug on 'down' event.Scott Moser
I noticed a bug in dhclient_hook on the 'down' event, using 'is' operator rather than '==' (if self.net_action is 'down'). This refactors/simplifies the code a bit for easier testing and adds tests. The reason for the rename of 'action' to 'event' is to just be internally consistent. The word and Namespace 'action' is used by cloud-init main, so it was not really usable here. Also adds a main which can easily be debugged with: CI_DHCP_HOOK_DATA_D=./my.d python -m cloudinit.dhclient_hook up eth0
2018-12-03ovf: Fix ovf network config generation gateway/routesRyan Harper
Move routes under the nic's subnet rather than use top-level ("global") route config ensuring all net renderers will provide the configured route. Also updated cloudinit/cmd/devel/net_convert.py:  - Add input type 'vmware-imc' for OVF customization config files  - Fix bug when output-type was netplan which invoked netplan   generate/apply and attempted to write to   /etc/netplan/50-cloud-init.yaml instead of joining with the   output directory. LP: #1806103
2018-11-27logs: collect-logs ignore instance-data-sensitive.json on non-root userChad Smith
Since /run/cloud-init/instance-data-sensitive.json is root read-only, ignore this file if non-root user runs collect-logs. If --include-userdata is provided on the command line, exit in error if non-root user attempts this operation. Lastly, update the __main__ to exit based on return value of main. LP: #1805201
2018-10-30query: better error when missing read permission on instance-dataChad Smith
Emit a permissions error instead of "Missing instance-data.json" when non-root user doesn't have read-permission on /run/cloud-init/instance-data.json
2018-10-26instance-data: fallback to instance-data.json if sensitive is absent.Chad Smith
On cloud-init upgrade path from 18.3 to 18.4 cloud-init changed how instance-data is written. Cloud-init changes instance-data.json from root read-only to redacted world-readable content, and provided a separate unredacted instance-data-sensitive.json which is read-only root. Since instance-data is only rewritten from cache on reboot, the query and render tools needed fallback to use the 'old' instance-data.json if the new sensitive file isn't yet present. This avoids error messages from tools about an absebt /run/instance-data-sensitive.json file. LP: #1798189
2018-10-09tools: Add cloud-id command line utilityChad Smith
Add a quick cloud lookup utility in order to more easily determine the cloud on which an instance is running. The utility parses standardized attributes from /run/cloud-init/instance-data.json to print the canonical cloud-id for the instance. It uses known region maps if necessary to determine on which specific cloud the instance is running. Examples: aws, aws-gov, aws-china, rackspace, azure-china, lxd, openstack, unknown
2018-09-25cli: add cloud-init query subcommand to query instance metadataChad Smith
Cloud-init caches any cloud metadata crawled during boot in the file /run/cloud-init/instance-data.json. Cloud-init also standardizes some of that metadata across all clouds. The command 'cloud-init query' surfaces a simple CLI to query or format any cached instance metadata so that scripts or end-users do not have to write tools to crawl metadata themselves. Since 'cloud-init query' is runnable by non-root users, redact any sensitive data from instance-data.json and provide a root-readable unredacted instance-data-sensitive.json. Datasources can now define a sensitive_metadata_keys tuple which will redact any matching keys which could contain passwords or credentials from instance-data.json. Also add the following standardized 'v1' instance-data.json keys:   - user_data: The base64encoded user-data provided at instance launch   - vendor_data: Any vendor_data provided to the instance at launch   - underscore_delimited versions of existing hyphenated keys:     instance_id, local_hostname, availability_zone, cloud_name
2018-09-17Fall back to root:root on syslog permissions if other options fail.Robert Schweikert
If the user has removed the default configuration file or does not set the syslog_fix_perms config option the user still ends up with a warning on SUSE distributions. Add root:root to the default builtin config.
2018-09-11user-data: jinja template to render instance-data.json in cloud-configChad Smith
Allow users to provide '## template: jinja' as the first line or their #cloud-config or custom script user-data parts. When this header exists, the cloud-config or script will be rendered as a jinja template. All instance metadata keys and values present in /run/cloud-init/instance-data.json will be available as jinja variables for the template. This means any cloud-config module or script can reference any standardized instance data in templates and scripts. Additionally, any standardized instance-data.json keys scoped below a '<v#>' key will be promoted as a top-level key for ease of reference in templates. This means that '{{ local_hostname }}' is the same as using the latest '{{ v#.local_hostname }}'. Since instance-data is written to /run/cloud-init/instance-data.json, make sure it is persisted across reboots when the cached datasource opject is reloaded. LP: #1791781
2018-09-05tests: Disallow use of util.subp except for where needed.Scott Moser
In many cases, cloud-init uses 'util.subp' to run a subprocess. This is not really desirable in our unit tests as it makes the tests dependent upon existance of those utilities. The change here is to modify the base test case class (CiTestCase) to raise exception any time subp is called. Then, fix all callers. For cases where subp is necessary or actually desired, we can use it via   a.) context hander CiTestCase.allow_subp(value)   b.) class level self.allowed_subp = value Both cases the value is a list of acceptable executable names that will be called (essentially argv[0]). Some cleanups in AltCloud were done as the code was being updated.
2018-09-05sysconfig: refactor sysconfig to accept distro specific templates pathsRyan Harper
Multiple distros use sysconfig format but have different content and paths to certain files. Update distros to specify these template paths in their renderer_configs dictionary.
2018-08-31hyperv_reporting_handler: simplify threaded publisherRyan Harper
Switch the implementation to a daemon thread which uses a blocking get from the Queue. No additional locking or flag checking is needed since the Queue itself handles acquiring the lock as needed. cloud-init only has a single producer (the main thread calling publish) and the consumer will read all events in the queue and write them out. Using the daemon mode of the thread handles flushing the queue on main exit in python3; in python2.7 we handle the EOFError that results when the publish thread calls to get() fails indicating the main thread has exited. The result is that the handler is no longer spawing a thread on each publish event but rather creates a single thread when we start up the reporter and we remove any additional use of separate locks and flags as we only have a single Queue object and we're only calling queue.put() from main thread and queue.get() from consuming thread.
2018-08-24logging: Add logging config type hyperv for reporting via Azure KVPAndy Liu
Linux guests can provide information to Hyper-V hosts via KVP. KVP allows the guests to provide any string key-value-pairs back to the host's registry. On linux, kvp communication pools are presented as pool files in /var/lib/hyperv/.kvp_pool_#. The following reporting configuration can enable this kvp reporting in addition to default logging if the pool files exist: reporting:     logging:         type: log     telemetry:         type: hyperv
2018-08-17azure: allow azure to generate network configuration from IMDS per boot.Chad Smith
Azure datasource now queries IMDS metadata service for network configuration at link local address http://169.254.169.254/metadata/instance?api-version=2017-12-01. The azure metadata service presents a list of macs and allocated ip addresses associated with this instance. Azure will now also regenerate network configuration on every boot because it subscribes to EventType.BOOT maintenance events as well as the 'first boot' EventType.BOOT_NEW_INSTANCE. For testing add azure-imds --kind to cloud-init devel net_convert tool for debugging IMDS metadata. Also refactor _get_data into 3 discrete methods:   - is_platform_viable: check quickly whether the datasource is     potentially compatible with the platform on which is is running   - crawl_metadata: walk all potential metadata candidates, returning a     structured dict of all metadata and userdata. Raise InvalidMetaData on     error.   - _get_data: call crawl_metadata and process results or error. Cache     instance data on class attributes: metadata, userdata_raw etc.
2018-08-06tools: Add 'net-convert' subcommand command to 'cloud-init devel'.Scott Moser
Move the tools/net-convert.py to be exposed as part of 'cloud-init devel' subcommands. It can now be called like: $ cloud-init devel net-convert Or, if you just have checked out source (and no cli executable):   $ python3 -m cloudinit.cmd.devel.net_convert or   $ python3 -m cloudinit.cmd.main devel net-convert
2018-05-17read_file_or_url: move to url_helper, fix bug in its FileResponse.Scott Moser
The result of a read_file_or_url on a file and on a url would differ in behavior. str(UrlResponse) would return UrlResponse.contents.decode('utf-8') while str(FileResponse) would return str(FileResponse.contents) The difference being "b'foo'" versus "foo". As part of the general goal of cleaning util, move read_file_or_url into url_helper.
2018-05-01collect-logs: add -v flag, write to stderr, limit journal to single boot.Scott Moser
With no output at all from collect-logs, users have been confused on where the output is. By default now, write to stderr what that file is. Also * add '-v' to increase verbosity. With a single -v flag, mention what file/info is being collected. * limit the 'journalctl' collection to this boot (--boot=0). collecting entire journal seems unnecessary and can be huge. * do not fail when collecting files or directories that are not there. LP: #1766335
2018-04-19pylint: pay attention to unused variable warnings.Scott Moser
This enables warnings produced by pylint for unused variables (W0612), and fixes the existing errors.
2018-03-14set_hostname: When present in metadata, set it before network bringup.Chad Smith
When instance meta-data provides hostname information, run cc_set_hostname in the init-local or init-net stage before network comes up. Prevent an initial DHCP request which leaks the stock cloud-image default hostname before the meta-data provided hostname was processed. A leaked cloud-image hostname adversely affects Dynamic DNS which would reallocate 'ubuntu' hostname in DNS to every instance brought up by cloud-init. These instances would only update DNS to the cloud-init configured hostname upon DHCP lease renewal. This branch extends the get_hostname methods in datasource, cloud and util to limit results to metadata_only to avoid extra cost of querying the distro for hostname information if metadata does not provide that information. LP: #1746455
2018-03-02Change some list creation and population to literal.Rémy Léone
This will provide a small performance improvement and shorter code.
2018-02-12tests: run nosetests in cloudinit/ directory, fix py26 fallout.Scott Moser
When we moved some tests to live under cloudinit/ we inadvertantly failed to change all things that would run nose to include that directory. This changes all the 'nose' invocations to consistently run with tests/unittests and cloudinit/. Also, it works around, more correctly this time, a python2.6-ism with the following code: with assertRaises(SystemExit) as cm: sys.exit(2)
2018-02-08cli: fix cloud-init status to report running when before result.jsonChad Smith
Fix various corner cases for cloud-init status subcommand. Report 'runnning' under the following conditions: - No /run/cloud-init/result.json file exists - Any stage in status.json is unfinished - status.json reports a non-null stage it is in progress on LP: #1747965
2018-01-26Fix potential cases of uninitialized variables.Chad Smith
While addressing undeclared variable in 'cloud-init status', I also fixed the errors raised by automated code reviews against cloud-init master at https://lgtm.com/projects/g/cloud-init/cloud-init/alerts The following items are addressed:  * Fix 'cloud-init status':     * Only report 'running' state when any stage in /run/cloud-init/status.json has a start time but no finished time. Default start time to 0 if null.     * undeclared variable 'reason' now reports 'Cloud-init enabled by systemd cloud-init-generator' when systemd enables cloud-init  * cc_rh_subscription.py util.subp return values aren't set during if an exception is raised, use ProcessExecution as e instead.  * distros/freebsd.py:    * Drop repetitive looping over ipv4 and ipv6 nic lists.    * Initialize bsddev to 'NOTFOUND' in the event that no devs are discovered    * declare nics_with_addresses = set() in broader scope outside check_downable conditional  * cloudinit/util.py: Raise TypeError if mtype parameter isn't string, iterable or None. LP: #1744796
2018-01-12Do not log warning on config files that represent None.Scott Moser
This issue was first identified when manual_cache_clean was set, as ds-identify would write /run/cloud-init/cloud.cfg with # manual_cache_clean that would generate a warning as cloud-init expected to load a dict. Any other "empty" config would also log such a warning. Also fix reading of di_report to allow it to be None, as ds-identify would write: di_report: # manual_cache_clean which reads as 'di_report: None' rather than di_report: {}. LP: #1742479
2018-01-03cli: cloud-init clean handles symlinksChad Smith
Fix cloud-init clean subcommand to unlink symlinks instead of calling del_dir. LP: #1741093
2017-12-14cli: Fix error in cloud-init modules --mode=init.Chad Smith
The cli help docs and argument parser allow the 'init' mode value which caused a traceback. Fix the cli to support 'init', 'config' and 'final' modes for the cloud-init modules subcommand. Add a check in the cli to raise a ValueError if a new subcommand ends up allowing an unsupported/unimplemented modes. Drive by unit test additions for a bit better coverage of error handling. LP: #1736600
2017-12-07pylint: Update pylint to 1.7.1, run on tests/ and tools and fix complaints.Ryan Harper
The motivation for this is that a.) 1.7.1 runs with python 3.6 (bionic) b.) we want to run pylint on tests/ and tools for the same reasons that we want to run it on cloudinit/ The changes are described below. - Update tox.ini to invoke pylint v1.7.1. - Modify .pylintrc generated-members ignore mocked object members (m_.*) - Replace "dangerous" params defaulting to {} - Fix up cloud_tests use of platforms - Cast some instance objects to with dict() - Handle python2.7 vs 3+ ConfigParser use of readfp (deprecated) - Update use of assertEqual(<boolean>, value) to assert<Boolean>(value) - replace depricated assertRegexp -> assertRegex - Remove useless test-class calls to super class - Assign class property accessors a result and use it - Fix missing class member in CepkoResultTests - Fix Cheetah test import
2017-12-05cli: Add clean and status subcommandsChad Smith
The 'cloud-init clean' command allows a user or script to clear cloud-init artifacts from the system so that cloud-init sees the system as unconfigured upon reboot. Optional parameters can be provided to remove cloud-init logs and reboot after clean. The 'cloud-init status' command allows the user or script to check whether cloud-init has finished all configuration stages and whether errors occurred. An optional --wait argument will poll on a 0.25 second interval until cloud-init configuration is complete. The benefit here is scripts can block on cloud-init completion before performing post-config tasks.
2017-09-15cmdline: add collect-logs subcommand.Chad Smith
Add a new collect-logs sub command to the cloud-init CLI. This script will collect all logs pertinent to a cloud-init run and store them in a compressed tar-gzipped file. This tarfile can be attached to any cloud-init bug filed in order to aid in bug triage and resolution. A cloudinit.apport module is also added that allows apport interaction. Here is an example bug filed via ubuntu-bug cloud-init: LP: #1716975. Once the apport launcher is packaged in cloud-init, bugs can be filed against cloud-init with the following command: ubuntu-bug cloud-init LP: #1607345
2017-08-25cli: Fix command line parsing of coniditionally loaded subcommands.Chad Smith
In an effort to save file load cost during system boot, certain subcommands, analyze and devel, do not get loaded unless the subcommand is specified on the commandline. Because setup.py entrypoint for cloud-init script doesn't specify sysv_args parameter when calling the CLI's main() we need main to read sys.argv into sysv_args so our subparser loading continues to work. LP: #1712676
2017-08-22schema cli: Add schema subcommand to cloud-init cli and cc_runcmd schemaChad Smith
This branch does a few things: - Add 'schema' subcommand to cloud-init CLI for validating cloud-config files against strict module jsonschema definitions - Add --annotate parameter to 'cloud-init schema' to annotate existing cloud-config file content with validation errors - Add jsonschema definition to cc_runcmd - Add unit test coverage for cc_runcmd - Update CLI capabilities documentation This branch only imports development (and analyze) subparsers when the specific subcommand is provided on the CLI to avoid adding costly unused file imports during cloud-init system boot. The schema command allows a person to quickly validate a cloud-config text file against cloud-init's known module schemas to avoid costly roundtrips deploying instances in their cloud of choice. As of this branch, only cc_ntp and cc_runcmd cloud-config modules define schemas. Schema validation will ignore all undefined config keys until all modules define a strict schema. To perform validation of runcmd and ntp sections of a cloud-config file: $ cat > cloud.cfg <<EOF runcmd: bogus EOF $ python -m cloudinit.cmd.main schema --config-file cloud.cfg $ python -m cloudinit.cmd.main schema --config-file cloud.cfg \ --annotate Once jsonschema is defined for all ~55 cc modules, we will move this schema subcommand up as a proper subcommand of the cloud-init CLI.
2017-08-21tools: Add tooling for basic cloud-init performance analysis.Chad Smith
This branch adds cloudinit-analyze into cloud-init proper. It adds an "analyze" subcommand to the cloud-init command line utility for quick performance assessment of cloud-init stages and events. On a cloud-init configured instance, running "cloud-init analyze blame" will now report which cloud-init events cost the most wall time. This allows for quick assessment of the most costly stages of cloud-init. This functionality is pulled from Ryan Harper's analyze work. The cloudinit-analyze main script itself has been refactored a bit for inclusion as a subcommand of cloud-init CLI. There will be a followup branch at some point which will optionally instrument detailed strace profiling, but that approach needs a bit more discussion first. This branch also adds: * additional debugging topic to the sphinx-generated docs describing cloud-init analyze, dump and show as well as cloud-init single usage. * Updates the Makefile unittests target to include cloudinit directory because we now have unittests within that package. LP: #1709761
2017-06-27Azure: Add network-config, Refactor net layer to handle duplicate macs.Ryan Harper
On systems with network devices with duplicate mac addresses, cloud-init will fail to rename the devices according to the specified network configuration. Refactor net layer to search by device driver and device id if available. Azure systems may have duplicate mac addresses by design. Update Azure datasource to run at init-local time and let Azure datasource generate a fallback networking config to handle advanced networking configurations. Lastly, add a 'setup' method to the datasources that is called before userdata/vendordata is processed but after networking is up. That is used here on Azure to interact with the 'fabric'.