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| || [[https://launchpad.net/+apidoc/devel.html#git_repository|Git repository]] || `git:push:0.1`, `merge-proposal:0.1` || | || [[https://launchpad.net/+apidoc/devel.html#git_repository|Git repository]] || `ci:build:0.1`, `git:push:0.1`, `merge-proposal:0.1` || |
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| || [[https://launchpad.net/+apidoc/devel.html#project|Project]] || `bug:0.1`, `bug:comment:0.1` || || [[https://launchpad.net/+apidoc/devel.html#distribution|Distribution]] || `bug:0.1`, `bug:comment:0.1` || || [[https://launchpad.net/+apidoc/devel.html#distribution_source_package|Distribution Source Package]] || `bug:0.1`, `bug:comment:0.1` || |
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| || [[#ci-build-0.1|ci:build:0.1]] || CI build || Any time the status of a CI build changes || | |
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| || [[#bug-0.1|bug:0.1]] || Bug || When a bug or bug task changes || || [[#bug-comment-0.1|bug:comment:0.1]] || Bug Comment || When a comment is added to a bug || |
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<<Anchor(ci-build-0.1)>> === CI build === Triggered any time the status of a CI build changes. The payload is: || '''Key''' || '''Type''' || '''Value''' || || `build` || url-path || The CI build || || `action` || string || "created" or "status-changed" || || `git_repository` || url-path || The repository || || `commit_sha1` || string || The SHA-1 of the commit being built || || `status` || string || The current status of the build job: one of "Needs building", "Successfully built", "Failed to build", "Dependency wait", "Chroot problem", "Build for superseded Source", "Currently building", "Failed to upload", "Uploading build", "Cancelling build", or "Cancelled build" || |
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| || `registry_upload_status` || string || The current status of uploading this image to the store: one of "Unscheduled", "Pending", "Failed to upload", or "Uploaded || | || `registry_upload_status` || string || The current status of uploading this image to the registry: one of "Unscheduled", "Pending", "Failed to upload", or "Uploaded" || <<Anchor(bug-0.1)>> === Bug created/updated === Triggered any time a Bug or Bug Task is created or updated. Both creating a new bug and targeting an existing bug to a new project will trigger the new event. The payload is: || '''Key''' || '''Type''' || '''Value''' || || `action` || string || What happened to the bug: "created" or "<field>-changed" || || `target` || url-path || A path to the bug target (can be a product, distribution or distribution source package) || || `bug` || url-path || A path to the bug || || `old` || dict || Bug attributes before the update || || `new` || dict || Bug attributes after the update || `old` and `new` are dictionaries of attributes as follows: || '''Key''' || '''Type''' || '''Value''' || || `title` || string || Title of the bug || || `description` || string || Description of the bug || || `reported` || string || A path to the user that reported the bug || || `status` || string || Status of the bug task for the given target || || `importance` || string || Importance of the bug task for the given target || || `assignee` || string || A path to the user responsible for the bug task for the given target || || `date_created` || string || Date of creation of the bug for the given target (if a new target was added to an existing bug, this is the date the bug was targeted into the given target) || Note that if a bug with multiple targets is updated, assuming all targets have bug webhooks set up, the system will trigger one webhook per target, and their payloads will be different from each other in the fields specific to the target (`status`, `importance`, `assignee` and `date_created`). <<Anchor(bug-comment-0.1)>> === Bug comment created === Triggered any time a new comment is added to a bug. The payload is: || '''Key''' || '''Type''' || '''Value''' || || `action` || string || What happened to the bug: "created" or "<field>-changed" || || `target` || url-path || A path to the bug target (can be a product, distribution or distribution source package) || || `bug` || url-path || A path to the bug || || `bug_comment` || url-path || A path to the bug comment || || `old` || dict || Comment attributes before the update || || `new` || dict || Comment attributes after the update || `old` and `new` are dictionaries of attributes as follows: || '''Key''' || '''Type''' || '''Value''' || || `commenter` || string || A path to the user that commented || || `content` || string || Comment message || |
Webhooks
Some objects in Launchpad support webhooks. When these objects change, Launchpad will send an HTTP POST request to the delivery URL configured for each webhook with some information about the event that prompted the notification. You can use this to integrate with all kinds of external services, and if you control an HTTP server reachable from the Internet it's easy to write your own webhook endpoint.
Objects and events
You can create webhooks on any of these target objects:
Object |
Events |
bzr:push:0.1, merge-proposal:0.1 |
|
ci:build:0.1, git:push:0.1, merge-proposal:0.1 |
|
livefs:build:0.1 |
|
snap:build:0.1 |
|
ocrecipe:build:0.1 |
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bug:0.1, bug:comment:0.1 |
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bug:0.1, bug:comment:0.1 |
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bug:0.1, bug:comment:0.1 |
Events have a type (used in the API) and a name (shown in the web UI). The types are versioned: if we ever change an event payload in an incompatible way, we'll bump the version so that you can adapt your code gracefully. We may add more key/value pairs to dictionaries without bumping the version.
Event type |
Event name |
When |
Bazaar push |
Any time a Bazaar branch is pushed |
|
CI build |
Any time the status of a CI build changes |
|
Git push |
Any time a Git repository is pushed; this includes creating or deleting branches |
|
Live filesystem build |
Any time the status of a live filesystem build changes |
|
Merge proposal |
Any time a merge proposal that has this branch or repository as the target is created, modified, or deleted |
|
Ping |
A test event was requested manually |
|
Snap build |
Any time the status of a snap package build changes |
|
OCI recipe build |
Any time the status of an OCI image build changes |
|
Bug |
When a bug or bug task changes |
|
Bug Comment |
When a comment is added to a bug |
Creating webhooks
You can create new webhooks by visiting a supported object in the Launchpad web UI and following the "Manage webhooks" link, or by using the newWebhook method on one of those objects via the Launchpad API.
Authentication
When you create a webhook, you will be asked for a secret. You don't have to provide one, but if you do, Launchpad will add an X-Hub-Signature HTTP header to each webhook delivery containing an HMAC-SHA1 signature of the body with that secret, as in the PubSubHubbub specification.
You can't currently change the secret for an existing webhook using the Launchpad web UI, but you can use the setSecret API method to change it. Launchpad will never divulge an existing webhook secret by any means; this is a write-only property.
Testing
You can use the ping API method to send a test event:
obj = launchpad.load('/path/to/object')
webhook = obj.webhooks[0]
webhook.ping()Recent deliveries of a webhook are shown on its page in the Launchpad web UI. They are also available in the webhook.deliveries API collection, and you can look at various attributes of the delivery there.
Delivery ordering
Webhooks will generally be delivered in roughly the order in which the events happened, but (as with any distributed service) you cannot rely on this. If ordering is important to your application, then you should sort events by the numeric X-Launchpad-Delivery header.
Network considerations
You should ensure that your firewall allows HTTP/HTTPS access (as appropriate) from all the IP addresses associated with webhooks-proxy.launchpad.net. If you are testing from the qastaging sandbox, you should also allow webhooks-proxy.qastaging.paddev.net.
The proxy used for delivering webhooks does not generally allow access to Canonical's own IP space. If you are a Canonical employee and want to set up a webhook-based integration with another service hosted by Canonical, please contact the Launchpad team with details.
Event payloads
All webhook deliveries will have the following HTTP headers:
Header name |
Content |
User-Agent |
Begins with launchpad.net-Webhooks/ |
Content-Type |
application/json |
X-Launchpad-Event-Type |
Event type |
X-Launchpad-Delivery |
Unique identifier for this delivery |
X-Hub-Signature |
HMAC-SHA1 signature of the body with the secret, if configured; otherwise absent |
The body of the request will be JSON.
Payloads will usually contain the path part of the target object's URL, referred to as the "url-path" type below. You can use these to find the object in the Launchpad web UI (prefix "https://launchpad.net") or in the Launchpad API (for example, you can pass the path directly to launchpad.load without any prefix). We recommend that you use the API if you need more information about the object than the webhook payload provides, or if you need to send notifications back to Launchpad (for example, after a CI job completes).
Bazaar push
Triggered any time a Bazaar branch is pushed. The payload is:
Key |
Type |
Value |
bzr_branch |
url-path |
The branch |
bzr_branch_path |
string |
A path to the branch; prefix with "lp:" to get a URL that can be used with the bzr client |
old |
dict |
Branch attributes before this push |
new |
dict |
Branch attributes after this push |
old and new are dictionaries of attributes as follows:
Key |
Type |
Value |
revision_id |
string |
The tip revision ID |
CI build
Triggered any time the status of a CI build changes. The payload is:
Key |
Type |
Value |
build |
url-path |
The CI build |
action |
string |
"created" or "status-changed" |
git_repository |
url-path |
The repository |
commit_sha1 |
string |
The SHA-1 of the commit being built |
status |
string |
The current status of the build job: one of "Needs building", "Successfully built", "Failed to build", "Dependency wait", "Chroot problem", "Build for superseded Source", "Currently building", "Failed to upload", "Uploading build", "Cancelling build", or "Cancelled build" |
Git push
Triggered any time a Git repository is pushed; this includes creating or deleting branches. The payload is:
Key |
Type |
Value |
git_repository |
url-path |
The repository |
git_repository_path |
string |
A path to the repository; prefix with "git+ssh://git.launchpad.net/" or "https://git.launchpad.net/" to get a URL that can be used with the git client |
ref_changes |
dict |
Maps ref names to old and new keys describing the previous and current state of each changed ref, each of which may be either None if the ref is/was absent or a ref description as below |
Ref descriptions are dictionaries of attributes as follows:
Key |
Type |
Value |
commit_sha1 |
string |
The SHA-1 of the commit that the ref points to |
Live filesystem build
Triggered any time the status of a live filesystem build changes. The payload is:
Key |
Type |
Value |
livefs_build |
url-path |
The live filesystem build |
action |
string |
"status-changed" |
livefs |
url-path |
The live filesystem |
status |
string |
The current status of the build job: one of "Needs building", "Successfully built", "Failed to build", "Dependency wait", "Chroot problem", "Build for superseded Source", "Currently building", "Failed to upload", "Uploading build", "Cancelling build", or "Cancelled build" |
Merge proposal
Triggered any time a merge proposal that has the target branch or repository as the target is created, modified, or deleted. The payload is:
Key |
Type |
Value |
merge_proposal |
url-path |
The merge proposal |
action |
string |
"created", "modified", or "deleted" |
old |
dict |
Absent if action is "created"; otherwise, a dictionary of merge proposal attributes before this event |
new |
dict |
Absent if action is "deleted"; otherwise, a dictionary of merge proposal attributes after this event |
Merge proposal attributes are as follows:
Key |
Type |
Value |
registrant |
url-path |
The person who registered the merge proposal |
source_branch |
url-path |
The Bazaar branch that has code to land |
source_git_repository |
url-path |
The Git repository that has code to land |
source_git_path |
string |
Ref path of the Git branch that has code to land |
target_branch |
url-path |
The Bazaar branch that the source branch will be merged into |
target_git_repository |
url-path |
The Git repository that the source branch will be merged into |
target_git_path |
string |
Ref path of the Git branch that the source branch will be merged into |
prerequisite_branch |
url-path |
The Bazaar branch that the source branch branched from |
prerequisite_git_repository |
url-path |
The Git repository containing the branch that the source branch branched from |
prerequisite_git_path |
string |
The path of the Git branch that the source branch branched from |
queue_status |
string |
The current state of the proposal: one of "Work in progress", "Needs review", "Approved", "Rejected", "Merged", or "Superseded" |
commit_message |
string |
The commit message that should be used when merging the source branch |
whiteboard |
string |
Notes about the merge |
description |
string |
A detailed description of the changes that are being addressed by the branch being proposed to be merged |
preview_diff |
url-path |
The current diff of the source branch against the target branch |
Ping
A test event was requested manually. The payload is:
Key |
Type |
Value |
ping |
boolean |
true |
Snap build
Triggered any time the status of a snap package build changes. The payload is:
Key |
Type |
Value |
snap_build |
url-path |
The snap build |
action |
string |
"status-changed" |
snap |
url-path |
The snap package |
build_request |
url-path |
The associated snap build request, if any |
status |
string |
The current status of the build job: one of "Needs building", "Successfully built", "Failed to build", "Dependency wait", "Chroot problem", "Build for superseded Source", "Currently building", "Failed to upload", "Uploading build", "Cancelling build", or "Cancelled build" |
store_upload_status |
string |
The current status of uploading this build to the store: one of "Unscheduled", "Pending", "Failed to upload", "Failed to release to channels", or "Uploaded" |
OCI recipe build
Key |
Type |
Value |
ocirecipe_build |
url-path |
The OCI recipe build |
action |
string |
"status-changed" |
ocirecipe |
url-path |
The OCI recipe |
build_request |
url-path |
The associated OCI recipe build request, if any |
status |
string |
The current status of the build job: one of "Needs building", "Successfully built", "Failed to build", "Dependency wait", "Chroot problem", "Build for superseded Source", "Currently building", "Failed to upload", "Uploading build", "Cancelling build", or "Cancelled build" |
registry_upload_status |
string |
The current status of uploading this image to the registry: one of "Unscheduled", "Pending", "Failed to upload", or "Uploaded" |
Bug created/updated
Triggered any time a Bug or Bug Task is created or updated. Both creating a new bug and targeting an existing bug to a new project will trigger the new event. The payload is:
Key |
Type |
Value |
action |
string |
What happened to the bug: "created" or "<field>-changed" |
target |
url-path |
A path to the bug target (can be a product, distribution or distribution source package) |
bug |
url-path |
A path to the bug |
old |
dict |
Bug attributes before the update |
new |
dict |
Bug attributes after the update |
old and new are dictionaries of attributes as follows:
Key |
Type |
Value |
title |
string |
Title of the bug |
description |
string |
Description of the bug |
reported |
string |
A path to the user that reported the bug |
status |
string |
Status of the bug task for the given target |
importance |
string |
Importance of the bug task for the given target |
assignee |
string |
A path to the user responsible for the bug task for the given target |
date_created |
string |
Date of creation of the bug for the given target (if a new target was added to an existing bug, this is the date the bug was targeted into the given target) |
Note that if a bug with multiple targets is updated, assuming all targets have bug webhooks set up, the system will trigger one webhook per target, and their payloads will be different from each other in the fields specific to the target (status, importance, assignee and date_created).
Bug comment created
Triggered any time a new comment is added to a bug. The payload is:
Key |
Type |
Value |
action |
string |
What happened to the bug: "created" or "<field>-changed" |
target |
url-path |
A path to the bug target (can be a product, distribution or distribution source package) |
bug |
url-path |
A path to the bug |
bug_comment |
url-path |
A path to the bug comment |
old |
dict |
Comment attributes before the update |
new |
dict |
Comment attributes after the update |
old and new are dictionaries of attributes as follows:
Key |
Type |
Value |
commenter |
string |
A path to the user that commented |
content |
string |
Comment message |
