private async Task <JsonElement?> RecordDeploymentAsync(string appId, DeploymentDto deployment)
{
using var client = m_httpClientFactory.CreateClient("newrelic");
var response = await client.PostAsJsonAsync($"applications/{appId}/deployments.json", new
{
deployment,
});
var responseContent = await response.Content.ReadFromJsonAsync <JsonElement>();
m_logger.LogInformation("Recorded deployment\n{StatusCode} {Reason}: {Content}", (int)response.StatusCode, response.ReasonPhrase, responseContent);
return(response.IsSuccessStatusCode ? responseContent.GetProperty("deployment") : default(JsonElement?));
}
private async Task <IReadOnlyList <JsonPatchOperation>?> MutateDeployment(AdmissionRequestDto request)
{
if (!(request.Object is JsonElement objectEl))
{
m_logger.LogWarning("Invalid object");
return(null);
}
var metadataEl = objectEl.GetProperty("metadata");
if (!metadataEl.TryGetProperty("annotations", out var annotationsEl) || !annotationsEl.TryGetProperty("newRelic", out var newRelicEl))
{
m_logger.LogInformation("No newRelic metadata");
return(null);
}
var newRelicMetadata = JsonSerializer.Deserialize <JsonElement>(newRelicEl.GetString());
var appId = newRelicMetadata.TryGetStringProperty("appId");
if (appId is null)
{
m_logger.LogInformation("No appId");
return(null);
}
var revision = newRelicMetadata.TryGetStringProperty("revision");
if (revision is null)
{
m_logger.LogInformation("No revision");
return(null);
}
var deployment = new DeploymentDto
{
Revision = revision,
User = (request.UserInfo?.Username),
// Omit timestamp. New Relic will respond with BadRequest if the timestamp is in the future by even 1 second.
};
var deploymentJson = JsonSerializer.Serialize(deployment, s_camelCaseOptions);
m_logger.LogInformation("New Relic Deployment: {Deployment}", deploymentJson);
var lastAppliedDeploymentJson = annotationsEl.TryGetStringProperty("lastAppliedNewRelicDeployment");
var lastAppliedDeployment = lastAppliedDeploymentJson is null ? default(JsonElement?) : JsonSerializer.Deserialize <JsonElement>(lastAppliedDeploymentJson);
var lastAppliedRevision = lastAppliedDeployment?.TryGetStringProperty("revision");
if (lastAppliedRevision == revision)
{
m_logger.LogInformation("No change from last deployment");
return(null);
}
var deploymentResponse = await RecordDeploymentAsync(appId, deployment);
var patch = new[]
{
new JsonPatchOperation("add", "/metadata/annotations/lastAppliedNewRelicDeployment", JsonSerializer.Serialize(deploymentResponse)),
};
return(patch);
}