public static IServiceCollection AddCloudFoundry(this IServiceCollection serviceCollection,
IConfigurationRoot configuration)
{
string vcapRaw = configuration.GetSection("VCAP_SERVICES").Value;
Dictionary<String, BoundService> results = new Dictionary<string, BoundService>();
VcapParser parser = new VcapParser();
if (!string.IsNullOrEmpty(vcapRaw))
{
try
{
results = parser.ParseConfigurationForVcap(vcapRaw);
}
catch (Exception ex)
{
throw new ArgumentException("VCAP_SERVICES", "Could not parse VCAP_SERVICES environment variable or other substitute configuration. Cannot enable cloud foundry configuration.", ex);
}
}
serviceCollection.Configure<CloudFoundryBoundServiceOptions>(options =>
{
options.BoundServices = results;
});
return serviceCollection;
}
public void TestMarketplaceServiceParsing()
{
var json = @"
{'elephantsql':
[
{
'name' : 'elephantsql-c6c0',
'label' : 'elephantsql',
'tags' : [ 'postgres', 'postgresql', 'relational' ],
'plan' : 'turtle',
'credentials' : {
'uri' : 'http://foo.bar/baz'
}
},
{
'name' : 'elephantsql-two',
'label' : 'elephantsql',
'tags' : ['postgres', 'postgresql', 'relational'],
'plan' : 'not-so-turtle',
'credentials' : {
'uri' : 'http://bar.baz/foo'
}
}
],
'sendgrid' :
[
{
'name' : 'mysendgrid',
'label' : 'sendgrid',
'tags' : ['smtp'],
'plan' : 'free',
'credentials' : {
'hostname' : 'smtp.sendgrid.net',
'username' : 'foo',
'password' : 'bar'
}
}
]
}";
VcapParser parser = new VcapParser();
var results = parser.ParseConfigurationForVcap(json);
Assert.NotNull(results);
Assert.Equal(3, results.Count);
Assert.True(results.ContainsKey("elephantsql-c6c0"));
var elephantSql = results["elephantsql-c6c0"];
Assert.Equal("turtle", elephantSql.Plan);
Assert.Equal("elephantsql", elephantSql.Label);
Assert.Equal(false, elephantSql.UserProvided);
Assert.Equal(3, elephantSql.Tags.Count);
Assert.Equal("http://foo.bar/baz", (string)elephantSql.Credentials["uri"]);
Assert.Equal("smtp.sendgrid.net", results["mysendgrid"].Credentials["hostname"]);
}
public void TestParserHandlesUserProvidedServices()
{
var vcapRaw = @"
{
'user-provided' :
[
{
'name' : 'my-ups',
'label' : 'user-provided',
'tags' : [],
'credentials' : {
'hostname' : 'host.name',
'username' : 'foo',
'password' : 'bar',
'uri' : 'http://this/is/a/uri'
}
}
]
}";
VcapParser parser = new VcapParser();
var results = parser.ParseConfigurationForVcap(vcapRaw);
Assert.NotNull(results);
Assert.True(results.ContainsKey("my-ups"));
Assert.Equal(1, results.Count);
var myUps = results["my-ups"];
Assert.True(myUps.UserProvided);
Assert.Equal(String.Empty, myUps.Plan);
Assert.Equal("user-provided", myUps.Label);
Assert.Equal("http://this/is/a/uri", (string)myUps.Credentials["uri"]);
}
public void TestVcapParserThrowsExceptionWithNullOrEmptyJson()
{
var missingJson = String.Empty;
VcapParser parser = new VcapParser();
Boolean caught = false;
try
{
var results = parser.ParseConfigurationForVcap(missingJson);
}
catch (Exception ex)
{
caught = true;
}
Assert.True(caught);
}
public void TestVcapParserThrowsExceptionWithBadJson()
{
var badJson = @"{ 'this' : won't parse }";
VcapParser parser = new VcapParser();
Boolean caught = false;
try {
var results = parser.ParseConfigurationForVcap(badJson);
} catch (Exception ex) {
caught = true;
}
Assert.True(caught);
}