def create(self, validated_data):
""" 应用更新时的预览数据，这个时候目标release还没有创建 """
instance = App.objects.get(id=self.app_id)
check_cluster_perm(
user=self.context["request"].user,
project_id=instance.project_id,
cluster_id=instance.cluster_id,
request=self.context["request"],
)
# 标记Chart中的values.yaml是否发生变化，用于提醒用户
chart_version_changed = False
# prepare parameters
parameters = merge_rancher_answers(validated_data["get_answers"], validated_data["get_customs"])
chart_version_id = validated_data["upgrade_verion"]
chart_version_id = int(chart_version_id)
if chart_version_id == KEEP_TEMPLATE_UNCHANGED:
files = instance.release.chartVersionSnapshot.files
else:
chart_version_changed = True
chart_version = ChartVersion.objects.get(id=chart_version_id)
files = chart_version.files
valuefile = get_valuefile_with_bcs_variable_injected(
access_token=self.context["request"].user.token.access_token,
project_id=instance.project_id,
namespace_id=instance.namespace_id,
valuefile=validated_data["valuefile"],
cluster_id=instance.cluster_id,
)
now = datetime.datetime.now()
username = self.context["request"].user.username
# 组装注入的参数
bcs_inject_data = bcs_helm_utils.BCSInjectData(
source_type="helm",
creator=username,
updator=username,
version=instance.release.chartVersionSnapshot.version,
project_id=self.project_id,
app_id=self.context["request"].project.cc_app_id,
cluster_id=instance.cluster_id,
namespace=instance.namespace,
stdlog_data_id=bcs_helm_utils.get_stdlog_data_id(self.project_id),
image_pull_secret=bcs_helm_utils.provide_image_pull_secrets(instance.namespace),
)
# 默认为使用helm3 client
client = KubeHelmClient(helm_bin=settings.HELM3_BIN)
try:
content, notes = client.template_with_ytt_renderer(
files=files,
namespace=instance.namespace,
name=instance.name,
parameters=parameters,
valuefile=valuefile,
cluster_id=instance.cluster_id,
bcs_inject_data=bcs_inject_data,
)
except helm_exceptions.HelmBaseException:
# raise ParseError(str(e))
# NOTE: 现阶段为防止出现未测试到的情况，允许出错时，按照先前流程渲染；后续删除
content, notes = _template_with_bcs_renderer(
client,
files,
instance.name,
instance.namespace,
instance.namespace_id,
parameters,
valuefile,
instance.cluster_id,
username,
now,
instance.release.chartVersionSnapshot.version,
self.access_token,
instance.project_id,
)
# compute diff
old_content = instance.release.content
if not old_content:
old_content, _ = instance.render_app(
username=self.context["request"].user.username, access_token=self.access_token
)
difference = simple_diff(old_content, content, instance.namespace)
return {
"content": preview_parse(content, instance.namespace),
"notes": notes,
"difference": difference,
"chart_version_changed": chart_version_changed,
"old_content": old_content,
"new_content": content,
}
def create(self, validated_data):
""" 应用更新时的预览数据，这个时候目标release还没有创建 """
instance = App.objects.get(id=self.app_id)
check_cluster_perm(user=self.context["request"].user,
project_id=instance.project_id,
cluster_id=instance.cluster_id,
request=self.context["request"])
# 标记Chart中的values.yaml是否发生变化，用于提醒用户
chart_version_changed = False
# prepare parameters
parameters = merge_rancher_answers(validated_data["get_answers"],
validated_data["get_customs"])
chart_version_id = validated_data["upgrade_verion"]
chart_version_id = int(chart_version_id)
if chart_version_id == KEEP_TEMPLATE_UNCHANGED:
files = instance.release.chartVersionSnapshot.files
else:
chart_version_changed = True
chart_version = ChartVersion.objects.get(id=chart_version_id)
files = chart_version.files
valuefile = get_valuefile_with_bcs_variable_injected(
access_token=self.context["request"].user.token.access_token,
project_id=instance.project_id,
namespace_id=instance.namespace_id,
valuefile=validated_data["valuefile"])
client = KubeHelmClient(helm_bin=settings.HELM_BIN)
try:
content, notes = client.template(
files=files,
namespace=instance.namespace,
name=instance.name,
parameters=parameters,
valuefile=valuefile,
)
except helm_exceptions.HelmBaseException as e:
raise ParseError(str(e))
# inject bcs info
now = datetime.datetime.now()
content = bcs_info_injector.inject_bcs_info(
access_token=self.access_token,
project_id=instance.project_id,
cluster_id=instance.cluster_id,
namespace_id=instance.namespace_id,
namespace=instance.namespace,
creator=instance.creator,
updator=self.context["request"].user.username,
created_at=instance.created,
updated_at=now,
resources=content,
version=instance.release.chartVersionSnapshot.version,
)
# compute diff
old_content = instance.release.content
if not old_content:
old_content, _ = instance.render_app(
username=self.context["request"].user.username,
access_token=self.access_token)
difference = simple_diff(old_content, content, instance.namespace)
return {
"content": preview_parse(content, instance.namespace),
"notes": notes,
"difference": difference,
"chart_version_changed": chart_version_changed,
"old_content": old_content
}