zuul/zuul-preview
Code Issues Proposed changes

Use an env var for the API url

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This commit is contained in:
James E. Blair 2019-02-11 08:39:01 -08:00
parent 12e8291698
commit 7b680c18ec
3 changed files with 19 additions and 10 deletions
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1
Dockerfile
View File

@ -40,4 +40,5 @@ COPY --from=builder /usr/local /usr/local
EXPOSE 80
ENTRYPOINT ["/usr/bin/dumb-init", "--"]
ENV ZUUL_API_URL=
CMD ["/usr/sbin/apachectl", "-DFOREGROUND", "-e", "info"]

2
vhost.conf
View File

@ -7,5 +7,5 @@
# LogLevel alert rewrite:trace6
RewriteEngine On
RewriteMap preview "prg://usr/local/bin/zuul-preview"
RewriteRule "^/?(.*)$" "${preview:%{HTTP_HOST}}/$1" [P]
RewriteRule "^/?(.*)$" "${preview:%{ENV:ZUUL_API_URL} %{HTTP_HOST}}/$1" [P]
</VirtualHost>

26
zuul-preview/main.cc
View File

@ -31,12 +31,12 @@
using namespace std;
vector<string> split(const string &in)
vector<string> split(const string &in, char delim)
{
istringstream stream(in);
vector<string> parts;
string part;
while (getline(stream, part, '.')) {
while (getline(stream, part, delim)) {
parts.push_back(part);
}
return parts;
@ -96,9 +96,7 @@ public:
int main(int, char**)
{
web::http::client::http_client client("https://zuul.opendev.org");
string hostname;
string input;
Cache cache{1024};
// For each request apache receieves, it sends us the HTTP host name
@ -107,8 +105,17 @@ int main(int, char**)
// (protected by an internal mutex) and expect exactly one line of
// output for each.
// Expected input:
// site.926bb0aaddad4bc3853269451e115dcb.openstack.preview.opendev.org
while (getline(cin, hostname)) {
// https://zuul.opendev.org site.926bb0aaddad4bc3853269451e115dcb.openstack.preview.opendev.org
while (getline(cin, input)) {
// Split the input into api_url, hostname
auto parts = split(input, ' ');
if (parts.size() != 2) {
cout << "Wrong number of args" << endl;
continue;
}
auto api_url = parts[0];
auto hostname = parts[1];
// If we have the value in the cache, return it.
if (auto val = cache.get(hostname)) {
@ -118,9 +125,9 @@ int main(int, char**)
// We use the first three parts of the hostname to look up the
// build url.
auto parts = split(hostname);
parts = split(hostname, '.');
if (parts.size() < 3) {
cout << "Not enough args" << endl;
cout << "Not enough hostname parts" << endl;
continue;
}
auto artifact = parts[0];
@ -129,6 +136,7 @@ int main(int, char**)
try {
// Use the Zuul API to look up the artifact URL.
web::http::client::http_client client(api_url);
auto uri = web::uri_builder("/api/tenant/" + tenant + "/build");
uri.append_path(buildid);
auto response = client.request(