feat: akamai driver cache setting on zero TTL
- When a caching ttl of zero is set, we do not cache anything on the edge server. We instead set ttl cache type to be `no-store` where a response is never cached, and if any prior policy has allowed objects to be cached, this setting will evict the corresponding cache entry. Change-Id: I8b8da3202285f5ae94a960d5bf878cf267cbbea6
This commit is contained in:
Sriram Madapusi Vasudevan
parent
3d19474cf0
commit
0c475c246e
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@ -609,13 +609,23 @@ class ServiceController(base.ServiceBase):
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# we found an existing matching rule.
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# add the cache behavior to it
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found_match = True
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rule['behaviors'].append({
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'name': 'caching',
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'type': 'fixed',
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# assuming the input number to caching rule
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# ttl is in second
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'value': '%ss' % caching_rule.ttl
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})
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if caching_rule.ttl == 0:
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# NOTE(TheSriram): if ttl is set zero,
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# we directly serve content from origin and do
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# not cache the content on edge server.
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rule['behaviors'].append({
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'name': 'caching',
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'type': 'no-store',
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'value': '%ss' % caching_rule.ttl
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})
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else:
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rule['behaviors'].append({
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'name': 'caching',
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'type': 'fixed',
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# assuming the input number to caching rule
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# ttl is in second
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'value': '%ss' % caching_rule.ttl
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})
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# if there is no matches entry yet for this rule
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if not found_match:
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@ -632,13 +642,23 @@ class ServiceController(base.ServiceBase):
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}
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rule_dict_template['matches'].append(match_rule)
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rule_dict_template['behaviors'].append({
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'name': 'caching',
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'type': 'fixed',
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# assuming the input number to caching rule
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# ttl is in second
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'value': '%ss' % caching_rule.ttl
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})
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if caching_rule.ttl == 0:
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# NOTE(TheSriram): if ttl is set zero,
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# we directly serve content from origin and do
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# not cache the content on edge server.
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rule_dict_template['behaviors'].append({
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'name': 'caching',
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'type': 'no-store',
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'value': '%ss' % caching_rule.ttl
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})
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else:
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rule_dict_template['behaviors'].append({
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'name': 'caching',
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'type': 'fixed',
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# assuming the input number to caching rule
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# ttl is in second
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'value': '%ss' % caching_rule.ttl
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})
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rules_list.append(rule_dict_template)
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# end loop - caching_rule.rules
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# end loop - caching_rules
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@ -138,6 +138,45 @@
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"rules": [{"name" : "Rule 1",
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"request_url" : "/images/test.jpg"}]}]
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},
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"multiple_origin_path_multiple_caching_types": {
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"name": "my_service_name",
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"domain_list": [{"domain": "mywebsite.com", "protocol": "http"}],
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"origin_list": [{
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"origin": "mywebsite1.com",
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"port": 80,
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"ssl": false,
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"rules":[
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{
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"name": "default rule",
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"request_url": "/*"
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}
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],
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"hostheadertype": "custom",
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"hostheadervalue": "www.customweb.com"
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},
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{
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"origin": "mywebsite2.com",
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"port": 80,
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"ssl": false,
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"rules":[
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{
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"name": "images rules",
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"request_url": "/images/test.jpg"
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}
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],
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"hostheadertype": "custom",
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"hostheadervalue": "www.customweb.com"
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}
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],
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"caching_list": [{"name": "default",
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"ttl": 1200,
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"rules": [{"name" : "Rule 1",
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"request_url" : "/images/test.jpg"}]},
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{"name": "no-store",
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"ttl": 0,
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"rules": [{"name" : "Rule 2",
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"request_url" : "/news/latestnews.html"}]}]
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},
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"log_delivery_enabled": {
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"name": "my_service_name",
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"domain_list": [{"domain": "mywebsite.com", "protocol": "http"},
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@ -166,6 +166,11 @@
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"path": "/caching/0",
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"value": {"name": "cache_name", "ttl": 111, "rules": [{"name" : "index","request_url" : "new_path"}]}}
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],
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"replace_caching_with_zero_ttl": [
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{"op": "replace",
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"path": "/caching/0",
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"value": {"name": "dynamic_cache", "ttl": 0, "rules": [{"name" : "dynamic","request_url" : "/latest_news/*"}]}}
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],
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"remove_caching": [
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{"op": "remove",
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"path": "/caching/0"}
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@ -181,6 +186,12 @@
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"value": {"name": "cache_name2", "ttl": 121,
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"rules": [{"name" : "index2",
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"request_url" : "/index2.htm"}]}
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},
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{"op": "add",
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"path": "/caching/-",
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"value": {"name": "cache_name3", "ttl": 0,
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"rules": [{"name" : "index3",
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"request_url" : "/index3.htm"}]}
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}
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],
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"add_restrictions": [
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@ -53,7 +53,7 @@ origin = {
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cache = {'type': 'object',
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'properties': {
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'name': {'type': 'string'},
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'ttl': {'type': 'number', 'minimum': 1, 'maximum': 3600},
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'ttl': {'type': 'number', 'minimum': 0, 'maximum': 3600},
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'rules': {'type': 'array'}},
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'required': ['name', 'ttl'],
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'additionalProperties': False}
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@ -90,7 +90,19 @@
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"request_url": "/*.gif"
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}
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]
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}
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},
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{"name": "zero-cache", "ttl": 0 },
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{"name": "dynamic-content",
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"ttl": 0,
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"rules": [
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{ "name": "dynamic-jpeg-rules",
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"request_url": "/*.jpeg"
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},
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{ "name": "dynamic-gif-rules",
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"request_url": "/*.gif"
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}
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]
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}
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],
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"flavor_id" : "standard"
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},
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